WO2008135562A1 - Formulations pharmaceutiques auto-precipitantes pour la liberation modifiee de principe actif - Google Patents
Formulations pharmaceutiques auto-precipitantes pour la liberation modifiee de principe actif Download PDFInfo
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- WO2008135562A1 WO2008135562A1 PCT/EP2008/055506 EP2008055506W WO2008135562A1 WO 2008135562 A1 WO2008135562 A1 WO 2008135562A1 EP 2008055506 W EP2008055506 W EP 2008055506W WO 2008135562 A1 WO2008135562 A1 WO 2008135562A1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/10—Dispersions; Emulsions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/02—Peptides of undefined number of amino acids; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- A61K38/22—Hormones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/42—Proteins; Polypeptides; Degradation products thereof; Derivatives thereof, e.g. albumin, gelatin or zein
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/62—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being a protein, peptide or polyamino acid
- A61K47/64—Drug-peptide, drug-protein or drug-polyamino acid conjugates, i.e. the modifying agent being a peptide, protein or polyamino acid which is covalently bonded or complexed to a therapeutically active agent
- A61K47/645—Polycationic or polyanionic oligopeptides, polypeptides or polyamino acids, e.g. polylysine, polyarginine, polyglutamic acid or peptide TAT
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K48/00—Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseases; Gene therapy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1605—Excipients; Inactive ingredients
- A61K9/1629—Organic macromolecular compounds
- A61K9/1641—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
Definitions
- the present invention relates to novel pharmaceutical formulations for the sustained release of active principle (s) -PA-, in particular protein (s) and peptide (s).
- the application also relates to the applications, particularly therapeutic applications, of these pharmaceutical formulations.
- active pharmaceutical formulations concern both human and veterinary therapeutics.
- PA used throughout this specification is for at least one active ingredient.
- Another way also followed to extend the in vivo release time of AP after subcutaneous injection is to use a liquid formulation at the injection temperature, but which gels when the temperature rises to 37 ° C.
- PCT applications WO-A-99/18142 & WO-A-00/18821 relate to aqueous solutions of polymers which contain a PA in dissolved or colloidal form, which are can be administered to warm-blooded animals, in particular by injection, and which form a gelled deposit in vivo, since the physiological temperature is higher than their gelation temperature. The gel thus formed releases the PA for a prolonged period.
- the liquid transformation temperatures of these triblock polymers are, for example, 36, 34, 30 and 26 ° C.
- the hydrolysis in In vivo these ABA or BAB triblock polymers lead to acids that may not be well tolerated locally.
- One of the objectives of the invention is to propose novel formulations based on polyglutamate polymers modified with cationic amino acid derivatives and bearing hydrophobic side groups, loaded with active principle (PA) and releasing the active ingredient (AP). over an extended period of several days or even weeks.
- PA active principle
- AP active ingredient
- Another object of the invention is to propose novel liquid formulations based on polyglutamate polymers modified with cationic amino acid derivatives and carriers of hydrophobic side groups, loaded with active ingredient (AP), the composition and concentration of which maximize the duration of release of the active ingredient (AP) after subcutaneous administration.
- Another object of the invention is to provide novel liquid formulations based on polyglutamate polymers modified with cationic amino acid derivatives and bearing hydrophobic side groups, loaded with active ingredient (PA), the composition of which is such that it allows to release the active ingredient (AP) over several days, or even weeks, with the lowest possible concentration of polymer.
- PA active ingredient
- Another object of the invention is to propose novel liquid formulations based on polyglutamate polymers modified with cationic amino acid derivatives and bearing hydrophobic side groups, loaded with active ingredient (PA), whose composition and concentration make it possible to inject it easily through a small needle.
- PA active ingredient
- Another object of the invention is to provide novel liquid formulations, based on polyglutamate polymers modified with cationic amino acid derivatives and bearing hydrophobic side groups, stable in aqueous solution.
- Another object of the invention is to provide novel formulations, based on polyglutamate polymers modified with cationic amino acid derivatives and bearing hydrophobic side groups, capable of being preserved in freeze-dried form.
- Another object of the invention is to provide novel formulations, based on polyglutamate polymers modified with cationic amino acid derivatives and bearing hydrophobic side groups, easily redispersible after lyophilization.
- Another object of the invention is to provide novel formulations, based on polyglutamate polymers modified with cationic amino acid derivatives and bearing hydrophobic side groups, loaded with active ingredient (PA) and stable in freeze-dried form.
- PA active ingredient
- Another object of the invention is to provide novel formulations, based on polyglutamate polymers modified with cationic amino acid derivatives and bearing hydrophobic side groups, releasing a protein that has preserved its biological activity.
- Another object of the invention is to provide a solid pharmaceutical formulation for the sustained release of active ingredient (AP), in particular a dry powder form, for example for inhalation and pulmonary administration.
- Another object of the invention is to propose a new process for the preparation of a formulation for the sustained release of at least one active principle (AP), this formulation being in particular one of the formulations described above.
- Another object of the invention is to propose a new process for the preparation of medicaments implementing these pharmaceutical formulations.
- the invention relates first of all to an aqueous liquid pharmaceutical formulation for the sustained release of at least one active ingredient (AP), which is easily injectable, for example parenterally, comprising at least one principle active ingredient (PA) and an aqueous suspension based on colloidal particles of a polymer (PO) or its pharmaceutically acceptable salts, characterized in that it satisfies the following four conditions:
- the polymer (PO) is a polyamino acid comprising glutamic residues, - certain glutamic residues being carriers of a pendant cationic group (GC), said cationic groups being identical or different from each other,
- the pH of said formulation (pHf) is 3.0 to 6.5;
- the polymer (PO) forms a colloidal solution of particles to which the active ingredient (PA) spontaneously and non-covalently associates;
- such a formulation has a precipitation factor Fp greater than 200, preferably greater than 400, preferably greater than 800, and even more preferably greater than 1500.
- the invention therefore also relates to an aqueous liquid pharmaceutical formulation for the sustained release of at least one active ingredient (AP), which is easily injectable, for example parenterally, comprising at least one active ingredient (PA) and an aqueous suspension, colloidal particle base of a polymer (PO) or of its pharmaceutically acceptable salts, characterized in that it satisfies the following four conditions:
- the polymer (PO) is a polyamino acid comprising glutamic residues, certain glutamic residues bearing a pendant cationic group (GC), said cationic groups being identical or different from each other,
- hydrophobic groups (GH) being identical to or different from one another
- the pH of said formulation pHf) is between 3.0 and 6.5;
- the polymer (PO) forms a colloidal solution of particles to which the active ingredient (PA) spontaneously and non-covalently associates;
- said formulation has a precipitation factor Fp greater than 200, preferably greater than 400, and preferably greater than 800, and still more preferably greater than 1500.
- this formulation is preferably characterized in that its retention factor Qr is greater than 5, preferably greater than 10, and preferably greater than 15, and even more preferably greater than 20.
- PA active ingredient
- the invention also relates to a process for preparing formulations for the sustained release of at least one active ingredient (AP), these formulations being in particular those described above, comprising the following steps:
- glutamic residues bearing a pendant cationic group said cationic groups being identical to or different from one another; other glutamic residues carrying a hydrophobic group (GH) during said hydrophobic groups (GH); being identical or different from each other, - optionally other glutamic residues being carriers of a neutral group (GN) pendant, the neutral groups (GN) being identical or different from each other,
- the invention also relates to a process for the preparation of medicaments, in particular for parenteral, mucosal, subcutaneous, intramuscular, intradermal, transdermal, intraperitoneal, intracerebral or tumor administration, or even orally, nasally, pulmonary, vaginally or ocularly , essentially consisting in implementing at least one formulation as described above.
- cationic group a covalently grafted group on a glutamic residue, and comprising one or more amino functions or one or more quaternary ammoniums.
- the group will be mainly ionized at any pH below its pKa, in the case of a quaternary ammonium, the group will be ionized at any pH.
- the alkyl radicals have 1 to 10 carbon atoms.
- neutral group means a group bearing no charge for any pH between 3 and 10, for example the groups obtained by condensation on the carboxyl of a glutamic residue of ethanolamine (bound by the nitrogen), an alkylene glycol or a polyoxyalkylene glycol.
- pharmaceutically acceptable salts of the polymer according to the invention means all the polymers with the counterions associated with the ionized functions of the polymer.
- a solution is understood to mean a homogeneous solvent and polymer mixture in the form of an individual chain.
- colloidal solution is understood to mean a suspension of particles whose average diameter measured by the T 'test is less than or equal to 0.5 ⁇ m.
- the term "easily injectable formulation” (for example parenterally), a formulation having a dynamic viscosity at 20 0 C less than or equal to 1000 mPa.s.
- the dynamic viscosity of the formulation measured at 20 ° C., for a shear rate of 1000 s -1 , is preferably less than or equal to 500 mPa ⁇ s, preferably between 2 and 200 mPa ⁇ s. for example, between 1.0 and 100 mPa.s, or even between 1.0 and 50 mPa.s.
- a small molecule is a molecule having a molecular weight of less than 1 kDa, especially a non-protein molecule.
- pHf is the pH of the formulation according to the invention.
- pH * the precipitation pH of the polymer-based formulation PO determined according to the P test:
- a PO polymer solution concentrated to 1 or 2 mg / ml and containing 0.15 M sodium chloride is brought to pH 4 by addition of acetic acid or 1 M sodium hydroxide and is stirred for 24 h.
- This solution is then filtered on 0.8 - 0.2 ⁇ m.
- This solution is then titrated with a 0.1 M solution of sodium hydroxide by recording the evolution of the absorbance at 500 nm of the PO polymer solution as a function of the pH of said solution on a UV spectrometer (Lambda type). 35, Perkin Elmer).
- the pH of precipitation, pH * corresponds to the pH value at which the absorbance increases sharply to a value greater than 1.
- Tp test buffer solution means an aqueous medium containing 30 mg / g of albumin (BSA fraction V, Aldrich), 0.01 M phosphate buffer, 0.0027 M potassium chloride, 0.137 M sodium chloride (PBS, Aldrich) and 0.015 M ammonium acetate (Aldrich).
- ⁇ n is meant the number of moles of sodium hydroxide required to supply 0.5 ml of the colloidal solution containing 1 mg of PO polymer of pHf at pH *, obtained by the conventional method of acid-base titration.
- a solution of polyelectrolyte concentrated at 2 mg / ml and containing 0.15 M sodium chloride is brought to pH 4 by addition of acetic acid or 1M sodium hydroxide.
- the solution is then titrated with a solution of , 05 M of soda in recording the evolution of the pH according to the volume of soda added.
- the determination of ⁇ n is carried out simply by reading the volume of soda added to change from pHf to pH *.
- physiological pH is defined as being equal to 7.2 ⁇ 0.4.
- polyelectrolyte means a polymer carrying groups capable of ionizing in water, which creates a charge on the polymer.
- a volume V of the preparation according to the invention ready to be administered is paid to
- the T 'test is preferably used.
- the result of the test T ' is a mean hydrodynamic diameter.
- Test T for measuring the size of the nanoparticles by quasi-elastic light scattering:
- the average hydrodynamic diameter of the polymer particles according to the invention is measured according to the procedure Md defined below:
- the polymer solutions are prepared at concentrations of 1 or 2 mg / ml in 0.15 M NaCl medium and left stirring for 24 h. These solutions are then filtered on 0.8 - 0.2 ⁇ m, before being analyzed by dynamic scattering of light using a Malvern Compact Goniometer System, operating with a 632 wavelength He-Ne laser beam. , 8 nm and vertically polarized.
- the hydrodynamic diameter of the polymer nanoparticles is calculated from the autocorrelation function of the electric field by the cumulant method, as described in "Surfactant Science Series", Volume 22, Surfactant Solutions, Ed. R. Zana, Chap. 3, Marcel Dekker, 1984. In the present description, nanoparticles are those particles which have a mean diameter of between 2 and 500 nm, according to the T 'test. Test L for measuring the release of the active ingredient:
- the protein flow can then be plotted by dividing the measured concentration by the imposed flow rate, and the total mass of protein released by summing the one found in each sample.
- protein refers to a protein as well as a peptide, whether it be an oligo or a polypeptide. This protein or peptide may or may not be modified, for example by grafting one or more polyoxyethylene groups.
- the expression "to be a carrier” means that the group carried is pendant, that is to say that said group is a side group with respect to the glutamic residues and is a substituent of the carbonyl functional group. ⁇ of the glutamic residue that carries it.
- Polyglutamate also carries cationic groups. These groups are grafted to glutamic residues, preferably via an amide or ester bond.
- the polymer PO has a pGlu (X) GH (y) GC (Z) structure GN ( i -xyZ) with a total degree of polymerization (DP) of between 50 and 300, preferably between 100 and 250, and more preferably between 150 and 250.
- the cationic groups (GC) may be chosen from weak bases whose half-neutralization pH is less than 7.0.
- Such cationic groups (GC) are for example obtained from precursors derived from histidine chosen from the group comprising histidine esters, preferably methyl and ethyl esters; histidinol, histamine, histidinamide, the N-monomethyl derivative of histidinamide and the N, N'-dimethyl derivative of histidinamide.
- the x, y and z values may be such that x is between 0 and 45%, y is between 2 and 30%, z is between 40 and 98%, and 1-xyz is between 0 and 45%. and 50%.
- the polymer PO does not have neutral groups (GN)
- GN neutral groups
- the cationic groups (GC) may be chosen from those which comprise at least one quaternary ammonium or at least one strong base whose half-neutralization pH is greater than 8.0.
- Such cationic groups can be obtained from the following precursor compounds: a linear diamine of 2 to 6 carbons, preferably putrescine, agmatine,
- oxygen-bound ethanolamine oxygen-bound choline, an ester or amide derivative of an amino acid whose side chain is positively charged at neutral pH, Le. lysine, arginine, ornithine, linked by the amino function in position alpha.
- the values x, y, and z can be such that:
- x is between 10 and 55%
- - is between 2 and 30%
- - z is greater than or equal to 10% and is between (x-10)% and (x + 15)%, the number of neutral groups corresponding to the complementary percentage to reach 100% , and possibly being equal to 0.
- - x is between 20 and 55%, - is between 2 and 7.5%,
- z is greater than or equal to 20% and is between (x-10)% and (x + 15)%, the number of neutral groups corresponding to the complementary percentage to reach 100%, and possibly being equal to 0.
- y is between 2 and 30%
- z is between 10 and 55%
- 1-xyz is between 0 and 60%. It is also possible to have the values x, y and z such that x is between 10 and 20%, y is between 2 and 30%, z is between 10 and 30%, and 1-xyz is between 20 and 78. %.
- x, y and z are integers such that x is between 10 and 20%, y is between 15 and 30%, z is between 10 and 30%, and 1-xyz is between 20 and 65. %.
- the polymer PO does not contain neutral groups (GN)
- GN neutral groups
- polyamino acids according to the invention are, e.g., homopolymers of alpha-L-glutamate or alpha-L-glutamic acid.
- the cationic groups that can be used to functionalize the glutamate residues are identical to or different from each other and correspond to: a histidine derivative chosen from the group comprising the histidine esters, preferably the methyl ester and the ethyl ester, histidinol, histamine, histidinamide, the N-monomethyl derivative of histidinamide and the N, N-dimethyl derivative of histidinamide or the following general formula:
- Y independently H or CH 3
- Z " chloride, sulfate, phosphate or acetate
- L linear (C 2 -C 6 ) alkylene and optionally substituted by a carboxyl or derivative functional group.
- cationic groups that can be used in the present invention are chosen from the group of radicals having the following formulas:
- R 1 is alkoxy, preferably -OMe or -OEt, or -R 1 is -NH 2 , alkylamino, preferably -NH-CH 3 or -N (CH 3 ) 2 ;
- the cationic groups may have the following formulas:
- -Ri represents an alkoxy or alkylamino group, preferably a -OMe, -OEt, -NH 2 , -NHCH 3 or -N (CHs) 2 group , and -R 2 represents hydrogen,
- the polyamino acids comprise on average at least 3 hydrophobic groups (GH) per polymer chain.
- At least one of the hydrophobic groups GH is included in a hydrophobic graft comprising at least one spacer (or "spacer") balloon (or pattern) for connecting the hydrophobic group GH to a polyglutamate chain (for example a main chain - skeleton-polyglutamate).
- This patella may comprise, eg at least one direct covalent bond and / or at least one amide bond and / or at least one ester bond.
- the patella may be of the type belonging to the group comprising in particular: the "amino acid” residues different from the constituent monomeric unit of the polyglutamate, the aminoalcohol derivatives, the polyamine derivatives (for example the diamines), the polyol derivatives (for example the diols) and the hydroxy acid derivatives .
- the grafting of GH on the polyglutamate chain may involve the use of precursors of GH, able to bind to the polyglutamate chain.
- the precursors of GH are, in practice and without being limited to, selected from the group comprising alcohols and amines, these compounds being easily functionalized by those skilled in the art.
- the hydrophobic group GH of the hydrophobic graft comprises from 8 to 30 carbon atoms.
- Linear or branched C 8 to C 30 alkyls which may optionally comprise at least one unsaturation and / or at least one heteroatom, C 8 to C 30 alkylaryls or arylalkyls possibly comprising at least one unsaturation and / or at least one a heteroatom,
- the (poly) cyclic C 8 to C 30 may optionally comprise at least one unsaturation and / or at least one heteroatom.
- the GH-forming patellae of the hydrophobic grafts may be di-, tri- or tetravalent (or even pentavalent and more).
- a divalent patella the hydrophobic graft comprises a single GH group, while a trivalent patella gives the hydrophobic graft a bifid character, that is to say that the graft has two "legs" GH.
- a trivalent patella mention may be made, inter alia, of "amino acid” residues, for example "glutamic acid” or polyol residues, for example glycerol.
- two advantageous but non-limiting examples of hydrophobic grafts comprising bifid GHs are dialkylglycerols and dialkylglutamates.
- the hydrophobic groups GH can be, for example, derived from precursors chosen from the following group: octanol, dodecanol, tetradecanol, hexadecanol, octadecanol, oleyl alcohol, tocopherol or cholesterol.
- the neutral groups (GN) may be selected from the following group: a hydroxyethylamino-, hydroxyalkyloxy- or polyoxyalkylene radical
- the polyglutamates used in the present invention may also carry at least one graft of polyalkylene (preferably ethylene) glycol type bonded to a glutamate residue.
- the backbone of the polyglutamate according to the present invention comprises L-glutamate and / or L-glutamic acid residues; preferably these residues are bound in the polypeptide by their carboxyl in position alpha.
- polyglutamates used in the present invention have the following formula (I):
- A is independently: NHR wherein R is H, linear C 2 -C 10 alkyl, branched C 3 -C 10 alkyl or benzyl, amino acid residue or terminal amino acid derivative of formula :
- R 7 is OH, OR 9 or NHR 10
- R 8 , R 9 and R 10 independently represent H, linear C 2 -C 10 alkyl, branched C 3 -C 10 alkyl or benzyl;
- B is a direct bond or a divalent, trivalent or tetravalent linking group, preferably chosen from the following radicals:
- D is H, a linear acyl, C 2 to Cio, acyl branched C 3 to Ci 0, or a pyroglutamate;
- hydrophobic groups (GH) each independently represent a radical chosen from:
- Linear or branched C 8 -C 20 alkyls which may optionally comprise at least one unsaturation and / or at least one heteroatom (preferably O and / or N and / or S), or
- alkylaryl or arylalkyl Cs -C 3 o can optionally comprise at least one unsaturation and / or at least one heteroatom (preferably O and / or N and / or S), or
- the (poly) cyclic C 8 to C 30 may optionally comprise at least one unsaturation and / or at least one heteroatom (preferably O and / or N and / or S); and preferably at least one of the hydrophobic groups (GH) being obtained by grafting, from a precursor chosen from the following group: octanol, dodecanol, tetradecanol, hexadecanol, octadecanol, oleyl alcohol, tocopherol or cholesterol, and B representing then a direct connection;
- GH hydrophobic groups
- R 70 represents a radical chosen from the following group: -NH- (CH 2 ) W -NH 3 + with w between 2 and 6, and preferably w is equal to 4,
- X is -O- or -NH-
- R 12 is H, C 2 -C 10 linear alkyl, branched C 3 -C 10 alkyl or benzyl,
- R 70 is a suitable anion, especially chosen from a chloride, a sulfate, a phosphate or an acetate, preferably a chloride; R is hydroxyethylamino, hydroxyalkyloxy or polyoxyalkylene;
- (p) / (p + q + r + s) is defined as the molar grafting ratio of the hydrophobic groups GH varies from 2 to 30 mol%, provided that each copolymer chain has on average at least 3 hydrophobic grafts;
- (p + q + r + s) varies from 50 to 300, preferably from 100 to 250;
- the hydrophobic groups GH and the cationic groups are randomly arranged in pendant groups.
- the concentration of polymer (PO) in the formulation according to the invention may be between 4 and 50 mg / ml, in particular when the active ingredient
- PA is a therapeutic protein.
- the formulation is easily injectable by a small diameter needle, for example a Gauge 27, and even 29. Examples 2, 3 and 4 describe in detail such formulations.
- the concentration of polymer (PO) in the formulation according to the invention may be between 5 and 30 mg / ml, and more preferably between 5 and 15 mg / ml.
- the ratio R of the concentration of active ingredient (PA) to the polymer concentration (PO) can be between 0.0001 and 1.5.
- This ratio R may also be between 0.01 and 1.2.
- the formulation according to the invention may contain divalent Zn ++ cations in a proportion of between 0.05 and 2 molar equivalents relative to the molar concentration of cationic groups (GC).
- the formulation according to the invention may contain divalent cations
- Zn ++ added in the proportion of between 0.25 and 0.75 molar equivalents relative to the molar concentration of cationic groups (GC), and preferably equal to 0.5 eq, especially when the cationic groups (GC) are obtained from histidine derivatives selected from the group consisting of histidine esters, preferably the methyl ester and the ethyl ester; histidinol, histamine, histidinamide, the ⁇ -monomethyl derivative of histidinamide and the ⁇ -D-dimethyl derivative of histidinamide.
- histidine derivatives selected from the group consisting of histidine esters, preferably the methyl ester and the ethyl ester; histidinol, histamine, histidinamide, the ⁇ -monomethyl derivative of histidinamide and the ⁇ -D-dimethyl derivative of histidinamide.
- the formulation according to the invention does not contain a cation di valent added.
- the polymers used in the present invention have a molar mass which is between 2000 and 200000 g / mol, and preferably between 5000 and 100000 g / mol.
- the polymers (PO) used in the invention have a structure pGl ⁇ t (X) GH (y) GC (Z) GN (i -xyz) such that x is between 0 and 20%, y is between 2 and 30%, z is between 60 and 95%, and 1 - xyz is between 0 and 15%.
- x, y and z are integers such that x is between 0 and 20%, y is between 2 and 10%, z is between 75 and 95%, and 1 -xyz is between 0 and 15. %.
- x, y and z are integers such that x is between 0 and 20%, y is between 15 and 25%, z is between 60 and 80%, and 1 -xyz is between 0 and 15. %.
- the polymer PO does not contain neutral groups (GN)
- GN neutral groups
- GC quaternary ammoniums or at least one strong base whose half-neutralization pH is greater than 8.0
- the x, y and z values may be such that x is between 15 and 50 %, y is 2 to 30%, z is 10 to 50%, and 1 -xyz is 10 to 55%.
- x, y and z are integers such that x is between 25 and 50%, y is between 2 and 30%, z is between 25 and 50%, and 1 -xyz is between 10 and 30%. %.
- the polymer PO does not contain neutral groups (GN)
- GN neutral groups
- the PO polymer used in the invention is cationic and soluble at the pH value of the pH of the formulation. This charge is partially or completely neutralized at neutral pH so that the polymer precipitates. Without being bound by the theory, it can be supposed that this precipitation phenomenon induced by an increase in pH results from the reduction of the overall polymer load between the formulation pH and the physiological pH, and the presence of the hydrophobic side groups. It should be understood that the modified polyglutamate of carboxylic residual functions are either neutral (COOH form) or ionized (anion COO "), depending on pH and composition.
- the counter-cation may be a metal cation such as sodium, calcium or magnesium, or an organic cation such as triethanolamine, tris (hydroxymethyl) aminomethane or a polyamine such as polyethyleneimine. If it is divalent, a countercation can salify two nearby monovalent cationic groups.
- the counter anion of the cationic groups is preferably chosen from the group comprising a chloride, a sulfate, a phosphate or an acetate.
- a counteranion can salt two nearby monovalent cationic groups.
- the term "pharmaceutically acceptable salts" of the polymer according to the invention all of the polymers with the counter-ions associated with the ionized functions of the polymer.
- polyamino acids that may be used in the present invention are obtained, for example, by methods known to those skilled in the art.
- NCA ⁇ -carboxy-amino acid anhydrides
- R 3 methyl, ethyl or benzyl.
- polymers that can be used according to the invention, for example of the poly (alpha-L-glutamic), poly (alpha-D-glutamic), poly (alpha-D, L-glutamate) and poly (gamma-L) type can be used.
- -glutamic) of variable masses are commercially available.
- Coupling of the GH graft with an acid function of the polymer is easily achieved by reaction of the polyamino acid in the presence of a carbodiimide as coupling agent and optionally a catalyst such as 4-dimethylaminopyridine and in a suitable solvent such as dimethylformamide (DMF). ), TV-methylpyrrolidone (NMP) or dimethylsulfoxide (DMSO).
- the carbodiimide is, for example, dicyclohexylcarbodiimide or diisopropylcarbodiimide.
- the degree of grafting is chemically controlled by the stoichiometry of the constituents and reactants or the reaction time. Hydroponic grafts Phobes functionalized by a "spacer" are obtained by conventional peptide coupling or by direct condensation by acid catalysis.
- the coupling of the cationic and optionally neutral groups with an acid function of the polymer is carried out simultaneously in a second step in the presence of a chloroformate as coupling agent and in a suitable solvent such as dimethylformamide, N-methylpyrrolidone (NMP) or dimethylsulfoxide (DMSO).
- a chloroformate as coupling agent and in a suitable solvent such as dimethylformamide, N-methylpyrrolidone (NMP) or dimethylsulfoxide (DMSO).
- the cationic group contains two chemically undifferentiated amino functions (e.g. linear diamine), it can be introduced in a form in which one of the two functions is protected. A last step of cleavage of the protecting group is then added.
- two chemically undifferentiated amino functions e.g. linear diamine
- Conditions (c) and (d) are particularly selective. If the formulation does not form a colloidal solution at pHF, those skilled in the art will select a polymer having a higher number of non-ionized monomers at this pH value. If, on the contrary, the polymer precipitates, it will be necessary to increase the number of monomers ionized at this pH.
- condition (d) is a convenient way for those skilled in the art to select formulations according to the invention.
- condition (d) implies that the formulation according to the invention precipitates for a pH value lower than or equal to the physiological pH. Indeed, after mixing 1 ml of the acid formulation according to the invention and 1 ml of the buffer solution Tp, precipitation must be observed at a pH value less than or equal to the pH of the buffer solution, that is say ⁇ 7.2.
- a second mode of selection of the formulations according to the invention is to select them according to their precipitation factor, Fp.
- Fp precipitation factor
- the PA-loaded colloidal solution is a clear liquid containing nanoparticles whose average hydrodynamic diameter, measured by dynamic light scattering, according to the T 'test, is less than or equal to equal to 0.5 ⁇ m, preferably between 5 and 500 nm, more preferably between 10 and 80 nm.
- the solution according to the invention must precipitate for a pH value less than or equal to the physiological pH. This value is measured according to the P test.
- PH * is the pH value at which the solution precipitates under these conditions.
- ⁇ n is measured, number of moles of sodium hydroxide necessary to bring 0.5 ml of the colloidal solution containing 1 mg of PO polymer of pHf at pH * according to the MT method.
- the precipitation factor, Fp, of the formulation is defined by the formula:
- Fp - * - ⁇ n.C in which: C is the PO polymer concentration in the formulation (expressed in mg / g), y is the molar fraction of monomers of PO carrying a hydrophobic graft. Examples of calculation of the precipitation factor Fp are reported in the examples.
- the formulations according to the invention are characterized by a precipitation factor Fp greater than 200, preferably greater than 400, and more preferably greater than 800, and even more preferably greater than 1500.
- a surprising aspect of the formulations according to the invention is that the network of polymer chains formed during the precipitation at physiological pH makes it possible to slow the release of the active principle (PA) without trapping the same active ingredient (PA) in the heart of the particles.
- PA active principle
- the formulations according to the invention make it possible to obtain both a prolonged release of the active ingredient (AP) and a good bioavailability.
- PA active principle
- it is preferably chosen from the group comprising: proteins, glycoproteins, proteins linked to one or more polyalkylene glycol chains [preferably polyethylene glycol (PEG): “PEGylated proteins”], peptides, polysaccharides, liposaccharides, oligonucleotides, polynucleotides and mixtures thereof, and more preferably still in the erythropoietin subgroup, such as epoetin alpha, epoetin beta, darbepoetin, hemoglobin, their analogues or derivatives; oxytocin, vasopressin, adrenocorticotropic hormone, epidermal growth factor, platelet derived growth factor (PDGF), stimulating factors of hematopoiesis and their mixtures, blood factors, such as alteplase, tenecteplase, factor V ⁇ I (a), factor VII; hemoglobin, cytochromes, albumin, prol
- active ingredients are polysaccharides (eg, heparin) and oligo- or polynucleotides, DNA, RNA, iRNA, antibiotics, and living cells.
- Another class of active ingredients includes pharmaceutical substances acting on the central nervous system, for example, risperidone, zuclopenthixol, fluphenazine, perphenazine, flupentixol, haloperidol, fluspirilene, quetiapine, clozapine, amisulprid, sulpiride, ziprasidone, etc.
- the active principle is a small hydrophobic, hydrophilic or amphiphilic organic molecule of the type belonging to the family of anthracyclines, taxoids or camptothecins or of the type belonging to the family of peptides such as leuprolide or cyclosporine and mixtures thereof.
- the active ingredient is advantageously chosen from at least one of the following families of active substances: alcohol abuse treatment agents, agents for treating Alzheimer's disease, anesthetics, acromegaly treatment agents, analgesics, antiasthmatics, allergy agents, anti-cancer agents, anti-inflammatories, anticoagulants and antithrombotics, anticonvulsants, antiepileptics, antidiabetics, antiemetics, antiglaucoma , antihistamines, antiparasitics, antibiotics, antifungals, antivirals, antiparkinsonians, anti-cholinergics, antitussives, carbonic anhydrase inhibitors, cardiovascular agents, lipid-lowering agents, anti-arrhythmics, vasodilators, antianginal agents, antihypertensives, vasoprotective agents, cholinesterase inhibitors, tr central nervous system (CNS) stimulants, contraceptives, fertility promoters, uterine labor inducers and inhibitors
- the formulation according to the invention can be administered orally, parenterally, nasally, topically, vaginally, ocularly, subcutaneously, intravenously, intramuscularly, intradermally, transdermally, intratumorally, intraperitoneally, intrathecally, intracerebrally or buccally.
- the subject of the invention is a method for preparing polymer-based formulations PO for the sustained release of at least one active principle, these formulations being in particular those described above, said process comprising the following steps:
- step 2 2) adding at least one active ingredient (AP) to the polymer (PO) obtained in step 1, said active ingredient associating non-covalently with the particles of the colloidal solution of said polymer (PO).
- An essential characteristic of the process according to the invention is to form charged particles with pHf values of between 3 and 6.5, spontaneously, by simple mixing of a colloidal solution of particles of the polyelectrolyte polymer (PO) and of the active principle (PA).
- the active ingredients such as proteins, peptides or small molecules can spontaneously associate with the polyamino acid polymer (PO).
- the loading of the nanoparticles of the polyelectrolyte polymer (PO) by the active principle (PA) is carried out by simple mixing of a solution of active principle (PA) with a colloidal solution of the polyelectrolyte polymer ( PO).
- This association is purely physical and does not involve the creation of a covalent bond between the active ingredient (PA) and the polymer (PO). Without being bound by theory, it can be assumed that this non-specific association is effected by hydrophobic and / or electrostatic interaction between the polymer (PO) and the active ingredient (PA). It should be noted that it is not necessary, and often even undesirable, to bind the PA to the nanoparticles of PO with specific receptors of a peptide nature or of antigen / antibody or enzyme / substrate type.
- Such chemical crosslinking is generally carried out by activating polymerizable entities and involves potentially denaturing agents such as UV radiation or glutaraldehyde.
- the process according to the invention comprises a step of dehydration, for example by lyophilization, of the liquid formulation, in order to obtain a formulation in the form of a dry powder.
- the present invention also relates to a solid pharmaceutical formulation for the sustained release of at least one active ingredient (AP), comprising a dry powder form obtained from the liquid formulation comprising an aqueous suspension described above.
- a dry powder can be obtained by bringing the liquid formulation according to the invention to a pH of 7 to precipitate it in vitro and then by dehydrating it, for example by lyophilization.
- such a solid pharmaceutical formulation is used for inhalation and pulmonary administration.
- the subject of the invention is a process for preparing medicaments, in particular for parenteral, mucosal, subcutaneous, intramuscular, intradermal, transdermal, intraperitoneal, intracerebral or intratumoral administration, or even orally.
- Nasal, pulmonary, vaginal or ocular said method consisting essentially of implementing at least one of the formulations described above.
- FIG. 1 in vitro release of IFN- ⁇ from the formulations of Example 2.1 (black triangles), Example 2.3 (black diamonds), Example 3 (black squares), and the example 5 (solid line).
- reaction medium is poured into 1200 ml of water containing 15% of sodium chloride and hydrochloric acid (pH T).
- the precipitated polymer is then recovered by filtration, washed with 0.1 N hydrochloric acid, water and with diisopropyl ether.
- the polymer is then dried in an oven under vacuum at 40 ° C. A yield of the order of 90% is obtained.
- the molar mass measured by steric exclusion chromatography is of 15500 compared to a polyoxyethylene standard.
- the grafted tocopherol level, estimated by proton NMR spectroscopy, is 5.1 mol%.
- the activated polymer solution is then added to the suspension of histidinamide.
- the reaction medium is stirred for 2 h at 0 ° C. and then overnight at 20 ° C. Then 1.46 ml of 35% HCl and then 200 ml of water are added. Another 20O mL of water is added, then 65O mL of ethanol, and then poured into 650 mL of water at pH 3-4. The solution is then diafiltered against 8 volumes of saline (0.9% NaCl). and 4 volumes of water. The polymer solution is finally concentrated to a volume of 250 mL (the polymer concentration is 50 mg / g). The percentage of grafted histidinamide, determined by 1 H NMR in D 2 O, is 70%.
- EXAMPLE 1 Polymer-based Formulation PO Not Carrying a Canonical Derivative (Synthesis a)
- the polymer PO obtained according to the synthesis a) above is used.
- a colloidal solution of PO polymer at 24 mg / g is obtained by diluting 12.64 g of PO solution with 2.19 g of water.
- the osmolarity of the PO colloidal solution and its pH are then adjusted to 290 mOsm and pH 6.95 by introducing respectively the necessary amounts of an aqueous solution of NaCl and a solution of NaOH.
- the table below groups together the characteristics of the formulation obtained:
- the particle size is measured according to the test T '.
- the polymer-based formulation PO described above does not precipitate upon the addition of 1 ml of the latter to 1 ml of Tp buffer solution.
- Example 2.1 PO-Al concentration equal to 10 mg / g, containing IFN-alpha
- PO-Al polymer obtained according to synthesis b) above is used. PO-Al is diluted in water, and pH (appropriate NaOH solution) and osmolarity (appropriate NaCl solution) are adjusted.
- the PO-Al polymer-based colloidal solution obtained precipitates upon the addition of 1 ml of the latter to 1 ml of Tp buffer solution, and is characterized by a precipitation factor Fp equal to 860.
- the PO-Al polymer is characterized by a pH * of 6.5.
- the table below groups together the characteristics of the final formulation: The particle size is measured according to the T 'test.
- Example 2.2 concentration of PO-Al equal to 45 mg / g
- PO-Al polymer obtained according to synthesis b) above is used. PO-Al is diluted in water, and pH (appropriate NaOH solution) and osmolarity (appropriate NaCl solution) are adjusted.
- the colloidal solution based on PO-Al polymer obtained does not precipitate when adding 1 ml of the latter to 1 ml of Tp buffer solution, and is characterized by a precipitation factor Fp equal to 166.
- Example 2.3 concentration of PO-Al equal to 10 mg / g, containing IFN-alpha and Zn ++ cations
- the table below groups together the characteristics of the final formulation: The particle size is measured according to the test T '.
- the PO-Al polymer-based colloidal solution obtained precipitates upon the addition of 1 ml of the latter to 1 ml of Tp buffer solution, and is characterized by a precipitation factor Fp equal to 860.
- the PO-Al polymer containing 0.5 molar equivalent of Zn ++ cations per cationic derivative is characterized by a pH * equal to 4.8.
- Example 3 formulation based on polymer PO-A2 at 30 mg / g containing VIFN-alpha
- PO-A2 polymer obtained according to the synthesis c) above is used. PO-A2 is diluted in water, and pH (appropriate NaOH solution) and osmolarity (appropriate NaCl solution) are adjusted.
- the PO-A2 polymer-based colloidal solution obtained precipitates upon the addition of 1 ml of the latter to 1 ml of Tp buffer solution, and is characterized by a precipitation factor Fp equal to 840.
- the PO-A2 polymer is characterized by a pH * of 6.5.
- IFN- ⁇ protein at 2.4 mg / g is added 8 g of colloidal solution of PO-A2, and the final concentration is adjusted by dilution with an appropriate solution of NaCl (0.18 g).
- the table below groups together the characteristics of the final formulation.
- the particle size is measured according to the T 'test.
- Example 4.1 Polymer formulation PO-B 10 mg / g containing IFN-a a) Preparation of a colloidal solution of PO-B
- PO-B polymer obtained according to the synthesis d) above is used. PO-B is diluted in water, and the pH (appropriate NaOH solution) and the osolarity (appropriate NaCl solution) are adjusted.
- the PO-B polymer-based colloidal solution obtained precipitates when 1 ml of the latter is added to 1 ml of Tp buffer solution, and is characterized by a precipitation factor Fp equal to 1150.
- the PO-B polymer is characterized by a pH * of 5.
- Example 4.2 concentration of PO-B equal to 45 mg / g
- PO-B polymer obtained according to the synthesis d) above is used. PO-B is diluted in water, and pH (appropriate NaOH solution) and osmolarity (appropriate NaCl solution) are adjusted.
- the PO-B polymer-based colloidal solution obtained precipitates when 1 ml of the latter is added to 1 ml of Tp buffer solution and is characterized by a precipitation factor Fp equal to 256.
- PO-B polymer is characterized by a pH * equal to 5.
- the polymer PO obtained according to the synthesis a) above is used.
- a colloidal solution of PO polymer is obtained by solubilizing it in water by adjusting the pH to 7.52 by adding a solution of NaOH.
- the osmolarity of the solution is adjusted to 108 mOsm by introducing the necessary amount of an aqueous solution of NaCl.
- the PO polymer concentration is adjusted to 29.05 mg / g.
- To the above colloidal PO polymer solution was added concentrated IFN- ⁇ protein at 2.4 mg / g. The association is carried out overnight at 25 ° C.
- the particle size is measured according to the T 'test.
- the table below groups together the characteristics of the particles obtained:
- the release of the active ingredient from the formulations according to the invention is measured using the L-test.
- Figure 1 shows the release of the active ingredient in the L-test as the percentage of protein released over time.
- Comparative Example 5 The formulation of Comparative Example 5, containing 23 mg / g of PO particles, has a release profile characterized by 93% protein released in 10 hours.
- Example 2.1 and 3 show delayed release profiles with releases of 67 and 65%, respectively, of the injected protein in 48 hours.
- the creation of a release flux which is not zero at the end of the experiment is observed, with a release of 59% of the injected protein in 48 hours.
- C max represents the maximum average plasma concentration of protein on all animals.
- Median T max represents the median time for which the plasma concentration passes through its maximum.
- AUC represents the mean area under the curve of plasma concentration as a function of time.
- T50% AUC represents the average time at which the area under the curve reaches 50% of its total value.
- RBA is the ratio of the area under the curve of the formulation considered to the area under the curve of the IFN IR formulation.
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MX2009011814A MX2009011814A (es) | 2007-05-03 | 2008-05-05 | Formulaciones farmaceuticas autoprecipitantes para la liberacion modificada de un principio activo. |
JP2010504756A JP2010526041A (ja) | 2007-05-03 | 2008-05-05 | 活性成分を制御放出するための自己沈澱製剤 |
CN200880014417A CN101674809A (zh) | 2007-05-03 | 2008-05-05 | 用于改进释放活性成分的自沉淀药物制剂 |
AU2008248603A AU2008248603A1 (en) | 2007-05-03 | 2008-05-05 | Self-precipitating pharmaceutical formulations for the modified release of active principle |
BRPI0809288-5A2A BRPI0809288A2 (pt) | 2007-05-03 | 2008-05-05 | Formulações farmacêuticas auto-precipitação para a liberação modificada de um princípio ativo |
CA002685873A CA2685873A1 (fr) | 2007-05-03 | 2008-05-05 | Formulations pharmaceutiques auto-precipitantes pour la liberation modifiee de principe actif |
EP08750063A EP2155164A1 (fr) | 2007-05-03 | 2008-05-05 | Formulations pharmaceutiques auto-precipitantes pour la liberation modifiee de principe actif |
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WO2012159945A1 (fr) * | 2011-05-20 | 2012-11-29 | Ares Trading S.A. | Composition à base d'ifn bêta, procédés de préparation et utilisations associés |
CN109379888A (zh) * | 2016-06-07 | 2019-02-22 | 阿道恰公司 | 至少包含一种pI为5.8至8.5的基础胰岛素、餐时胰岛素和/或胃肠激素、以及带有羧酸根电荷和疏水性基团的共聚氨基酸的PH 7的可注射溶液 |
CN109562063A (zh) * | 2016-06-07 | 2019-04-02 | 阿道恰公司 | 包含人胰高血糖素和末端接枝的共聚氨基酸的可注射水溶液形式的组合物 |
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CA2843586A1 (fr) | 2011-08-10 | 2013-02-14 | Adocia | Solution injectable d'au moins une insuline basale |
EP2814461B1 (fr) | 2012-01-09 | 2019-07-24 | Adocia | Solution injectable a ph 7 comprenant au moins une insuline basale dont le pi est compris entre 5,8 et 8,5 et un co-polyaminoacide substitue |
US20150314003A2 (en) | 2012-08-09 | 2015-11-05 | Adocia | Injectable solution at ph 7 comprising at least one basal insulin the isoelectric point of which is between 5.8 and 8.5 and a hydrophobized anionic polymer |
JP6564369B2 (ja) | 2013-12-09 | 2019-08-21 | デュレクト コーポレイション | 薬学的活性剤複合体、ポリマー複合体、ならびにこれらを伴う組成物及び方法 |
US9849125B1 (en) | 2015-11-03 | 2017-12-26 | Banner Lifie Sciences LLC | Anti-overingestion dosage forms |
US10335375B2 (en) | 2017-05-30 | 2019-07-02 | Patheon Softgels, Inc. | Anti-overingestion abuse deterrent compositions |
CN111698999A (zh) * | 2017-12-06 | 2020-09-22 | 阿道恰公司 | 包含至少一种pi在5.8与8.5之间的基础胰岛素和带有羧酸根电荷及疏水基的共聚氨基酸的ph为7的可注射溶液 |
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- 2008-05-05 CN CN200880014417A patent/CN101674809A/zh active Pending
- 2008-05-05 WO PCT/EP2008/055506 patent/WO2008135562A1/fr active Application Filing
- 2008-05-05 EP EP08750063A patent/EP2155164A1/fr not_active Withdrawn
- 2008-05-05 BR BRPI0809288-5A2A patent/BRPI0809288A2/pt not_active IP Right Cessation
- 2008-05-05 MX MX2009011814A patent/MX2009011814A/es unknown
- 2008-05-05 US US12/149,541 patent/US8236353B2/en not_active Expired - Fee Related
- 2008-05-05 KR KR1020097023698A patent/KR20100016513A/ko not_active Ceased
- 2008-05-05 JP JP2010504756A patent/JP2010526041A/ja active Pending
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Cited By (7)
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WO2012159945A1 (fr) * | 2011-05-20 | 2012-11-29 | Ares Trading S.A. | Composition à base d'ifn bêta, procédés de préparation et utilisations associés |
US9272020B2 (en) | 2011-05-20 | 2016-03-01 | Ares Trading S.A. | IFN-beta compositions, preparation methods and uses thereof |
CN109379888A (zh) * | 2016-06-07 | 2019-02-22 | 阿道恰公司 | 至少包含一种pI为5.8至8.5的基础胰岛素、餐时胰岛素和/或胃肠激素、以及带有羧酸根电荷和疏水性基团的共聚氨基酸的PH 7的可注射溶液 |
CN109562063A (zh) * | 2016-06-07 | 2019-04-02 | 阿道恰公司 | 包含人胰高血糖素和末端接枝的共聚氨基酸的可注射水溶液形式的组合物 |
CN109562064A (zh) * | 2016-06-07 | 2019-04-02 | 阿道恰公司 | 包含人胰高血糖素和统计共聚氨基酸的可注射水溶液形式的组合物 |
CN109640953A (zh) * | 2016-06-07 | 2019-04-16 | 阿道恰公司 | 至少包含一种pI为5.8至8.5的基础胰岛素以及带有羧酸根电荷和疏水性基团的共聚氨基酸的PH 7的可注射溶液 |
CN109379888B (zh) * | 2016-06-07 | 2021-10-29 | 阿道恰公司 | 包含带有羧酸根电荷和疏水性基团的共聚氨基酸的可注射溶液 |
Also Published As
Publication number | Publication date |
---|---|
US8236353B2 (en) | 2012-08-07 |
US20090011028A1 (en) | 2009-01-08 |
IL201465A0 (en) | 2010-05-31 |
JP2010526041A (ja) | 2010-07-29 |
FR2915683A1 (fr) | 2008-11-07 |
EP2155164A1 (fr) | 2010-02-24 |
MX2009011814A (es) | 2009-11-13 |
AU2008248603A1 (en) | 2008-11-13 |
CN101674809A (zh) | 2010-03-17 |
FR2915683B1 (fr) | 2009-08-07 |
CA2685873A1 (fr) | 2008-11-13 |
KR20100016513A (ko) | 2010-02-12 |
BRPI0809288A2 (pt) | 2014-10-14 |
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