EP3975998A1 - Procédé de préparation de compositions pharmaceutiques contenant des principes actifs amphiphiles - Google Patents
Procédé de préparation de compositions pharmaceutiques contenant des principes actifs amphiphilesInfo
- Publication number
- EP3975998A1 EP3975998A1 EP20728902.6A EP20728902A EP3975998A1 EP 3975998 A1 EP3975998 A1 EP 3975998A1 EP 20728902 A EP20728902 A EP 20728902A EP 3975998 A1 EP3975998 A1 EP 3975998A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- salt
- active principle
- granule
- amphiphilic
- nsaid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- A61K9/14—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
- A61K9/1682—Processes
- A61K9/1694—Processes resulting in granules or microspheres of the matrix type containing more than 5% of excipient
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/13—Amines
- A61K31/135—Amines having aromatic rings, e.g. ketamine, nortriptyline
- A61K31/137—Arylalkylamines, e.g. amphetamine, epinephrine, salbutamol, ephedrine or methadone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/192—Carboxylic acids, e.g. valproic acid having aromatic groups, e.g. sulindac, 2-aryl-propionic acids, ethacrynic acid
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
- A61K31/519—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
- A61K31/52—Purines, e.g. adenine
- A61K31/522—Purines, e.g. adenine having oxo groups directly attached to the heterocyclic ring, e.g. hypoxanthine, guanine, acyclovir
-
- 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
- A61K9/1611—Inorganic compounds
-
- 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
- A61K9/1617—Organic compounds, e.g. phospholipids, fats
-
- 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
- A61K9/1617—Organic compounds, e.g. phospholipids, fats
- A61K9/1623—Sugars or sugar alcohols, e.g. lactose; Derivatives thereof; Homeopathic globules
-
- 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
- A61K9/1635—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
-
- 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
- A61K9/1652—Polysaccharides, e.g. alginate, cellulose derivatives; Cyclodextrin
-
- 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
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2013—Organic compounds, e.g. phospholipids, fats
-
- 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
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2013—Organic compounds, e.g. phospholipids, fats
- A61K9/2018—Sugars, or sugar alcohols, e.g. lactose, mannitol; Derivatives thereof, e.g. polysorbates
-
- 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
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2022—Organic macromolecular compounds
- A61K9/2027—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
-
- 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
- A61K9/20—Pills, tablets, discs, rods
- A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
Definitions
- the present invention relates to a process for the preparation of granules of active principles used in the preparation of pharmaceutical compositions, as well as to the granules and the pharmaceutical compositions themselves.
- amphiphilic pharmaceutical active principles are characterized by a lipophilic hydrocarbon skeleton and one or more ionizable functions, generally weak acid or base, providing the hydrophilic character which can be amplified by their salification by a pharmaceutically acceptable anion or cation.
- amphiphilic active ingredients include non-steroidal anti-inflammatory drugs (NSAIDs), including anfhranilic, aryl-acetic and aryl-propionic (or propanoic) acids substituted in position 2 or 3.
- NSAIDs non-steroidal anti-inflammatory drugs
- active ingredients are mainly used as analgesics in the treatment of mild to moderate pain associated with dysmenorrhea, headaches, migraine, postoperative and dental pain and as anti-inflammatory drugs in the treatment of spondylitis, headache, migraine. osteoarthritis, rheumatoid arthritis and soft tissue disorders.
- active ingredients when they are intended for compositions which can be administered orally, are generally subjected to granulation by wet method particularly suited to the amphiphilic nature of NSAIDs.
- the granules thus obtained pose a certain number of technological problems during the formulation phase, in particular in the form of tablets, such as problems of poor flow, sticking, seizing or cleavage.
- the present invention results from the unexpected demonstration, by the inventors, that a granulation of an amphiphilic active principle in a polar aprotic solvent medium with a coating polymer made it possible to avoid the interactions resulting from the amphiphilic structure of these principles. assets, in particular the phenomenon of sticking.
- this granulation process also makes it possible to optimize the rate of dissolution of the active principle.
- the present invention thus relates to a process for granulating an amphiphilic active principle, or a pharmaceutically acceptable salt thereof, comprising a step of coating the active principle in a polar aprotic solvent in the presence of a polymeric binder, to obtain a granule.
- the method defined above further comprises a step of drying and / or sieving the granule.
- the present invention also relates to a granule obtainable by the process defined above.
- the present invention also relates to a granule comprising a polar active principle, or a pharmaceutically acceptable salt thereof, coated with a polymeric binder, and having a density of 0.5 to 0.7 g / mL and / or a speed flow rate of 3 to 15 g / sec.
- the present invention also relates to a pharmaceutical or medicament composition comprising a granule as defined above.
- the pharmaceutical or drug composition as defined above further comprises at least one other active principle, preferably an analgesic and / or an antihistamine.
- the pharmaceutical or medicament composition as defined above is for use in the prevention or treatment of pain, fever and / or inflammation.
- the amphiphilic active principle according to the invention comprises at least one carboxylic acid group and at least one aryl group comprising from 6 to 50 carbon atoms.
- amphiphilic active principle is a non-steroidal anti-inflammatory drug (NSAID).
- NSAID non-steroidal anti-inflammatory drug
- amphiphilic active ingredients also called bipolar
- the amphiphilic active ingredients are molecules whose hydrophobic character is characterized by their octanol-water partition coefficient (Log Po / w), preferably between 2 and 5 ), and whose hydrophilic character is characterized by their weak carboxylic acid function (preferably with a pKa of the order of 4).
- These amphiphilic structures develop a measurable surface tension in solution.
- the amphiphilic active principle is an arylacefic NSAID, an aryl propionic NSAID or an anthranilic NSAID.
- the amphiphilic active principle is selected from the group consisting of ibuprofen, kefoprofen, naproxen, flurbiprofen, oxaprozin, ibufenac, diclofenac, aceclofenac, sulindac, l 'etodolac, ketorolac, indomethacin, mefenamic acid and niflumic acid.
- the pharmaceuquemenf acceptable salt of the amphiphilic active ingredient is selected from the group consisting of a lithium salt, a sodium salt, a potassium salt, a calcium salt, a salt. aluminum, a magnesium salt, a zinc salt, an arginine salt, a lysine salt, a histidine salt, a choline salt, an ethanolamine salt, a diethanolamine salt, a triethanolamine salt, an ethylene diamine salt, and a meglumine salt.
- the amphiphilic active principle or the pharmaceutically acceptable salt thereof is the lysine salt or the sodium salt of ibuprofen.
- the amphiphilic active principle, or the pharmaceutically acceptable salt thereof is in crystalline form.
- the process according to the invention is thus a crystal coating process, in particular a crystal coating process with an amphiphilic active principle or a pharmaceutically acceptable salt thereof.
- the polymeric binder is a polyvinylpyrolidone (povidone) or a polyvinylpyrolidone copolymer, in particular copovidone (copolymer of polyvinylpyrrolidone and vinyl acetate), a polyethylene glycol (PEG), a polyoxypropylene copolymer (in particular of POLOXAMER ® type), a methacrylate copolymer (in particular of EUDRAGIT ® type).
- a polyvinylpyrolidone povidone
- a polyvinylpyrolidone copolymer in particular copovidone (copolymer of polyvinylpyrrolidone and vinyl acetate)
- PEG polyethylene glycol
- POLOXAMER ® type polyoxypropylene copolymer
- EUDRAGIT ® type methacrylate copolymer
- the amount of polymeric binder is at least 5% by weight relative to the weight of active principle.
- a polar aprotic solvent has a significantly lower dielectric constant than that of water at a higher or comparable dipole moment.
- the polar aprotic solvent according to the invention is a pharmaceutically acceptable solvent, in particular a class 2 or 3 solvent according to the classification of the European Pharmacopoeia.
- the polar aprofic solvent according to the invention is selected from the group consisting of acetone, ethyl acetate, acetonitrile and N, N-dimethyl-formamide.
- N.A. not applicable / N.D.: not determined
- Solubility Log10 of the mole fraction of the sodium salt of ibuprofen dissolved in the solvent (after Bustamante et al. (2000) International Journal of Pharmaceutics 194: 1 17-124 which is incorporated herein by reference).
- acetonitrile, N, N-dimethyl-formamide, acetone and ethyl acetate essentially do not solubilize the dihydrate sodium salt of ibuprofen, that is to say that 1 g of the active principle considered is not dissolved by 10'000 ml of solvent, which makes it possible to facilitate the granulation thereof.
- the amphiphilic active principle, or the pharmaceutically acceptable salt thereof is essentially not solubilized, or essentially not dissolved, in the polar aprotic solvent according to the invention, that is, that is, the Log10 of the mole fraction of the amphiphilic active ingredient, or of a pharmaceutically acceptable salt thereof, dissolved in the solvent is preferably less than -5, more preferably less than -6, under conditions temperature and pressure standard.
- the polymeric binder is soluble, or dissolved, in the polar aprotic solvent according to the invention.
- the granule according to the invention is preferably a granule coated with the polymeric binder, in which the amphiphilic active principle, or the pharmaceutically acceptable salt thereof, is in the form crystalline.
- the granule according to the invention comprises, or consists of, at least one crystal of amphiphilic active principle according to the invention or of a pharmaceuly acceptable salt thereof, which is coated with the polymeric binder. according to the invention.
- the granule according to the invention consists essentially of the amphiphilic active principle, or of a pharmaceutically acceptable salt thereof, and of the polymeric binder, that is to say that the granule according to the invention comprises the amphiphilic active ingredient, or a pharmaceueutically acceptable salt thereof, the polymeric binder, and optionally water and / or impurities.
- the coating according to the invention is carried out by mixing the amphiphilic active principle, or a pharmaceuly acceptable salt thereof, and the polymeric binder in a ratio by weight of between 10 and 20% of binder relative to the weight. of active principle or of the pharmaceutically acceptable salt thereof, in particular for a volume of solvent of between 15 and 35% relative to the weight of active principle or of pharmaceueutically acceptable salt thereof.
- the coating can be carried out in a granulating mixer which can operate under reduced pressure and an inert atmosphere.
- the pressure difference between the mixer and the outside can be used to introduce the solvent and to dry the granule obtained.
- the granule obtained can be sieved, in particular through two sieves whose nominal mesh dimensions are respectively 1, 5 mm and 1 mm.
- the process according to the invention makes it possible to remove the crystals of amphiphilic active principle according to the invention, or of pharmaceutically acceptable salt thereof, given the size is less than 75 miti, in particular less than 50 miti, or decrease their quantity.
- the size of a granule according to the invention which comprises at least one crystal of amphiphilic active principle according to the invention, or of a pharmaceutically acceptable salt thereof, is about 1, 3 to 1, 7 times, preferably about 1.4 to 1.6 times, even more preferably about 1.5 times, the size of the crystal of the amphiphilic active ingredient according to the invention, or of the pharmaceutically acceptable salt thereof. this.
- the size is measured as the largest dimension of the granule or crystal.
- the method according to the invention avoids conventional crumbling and / or sizing operations.
- the process according to the invention does not include a stage of drying in a fluidized bed, by spraying or by atomization. Also preferably, the process according to the invention does not include a step of precipitation of the amphiphilic active principle, or of a pharmaceutically acceptable salt thereof, and / or of the polymeric binder.
- the granules obtained have a density of the order of 0.50 to 0.70 g / ml and a flow rate of the order of 3 to 15 g / sec.
- the pharmaceutical composition or the medicament according to the invention is intended or is in a form suitable for oral administration.
- the pharmaceutical composition or the medicament according to the invention is in the form of a tablet, a capsule or granules for oral suspension.
- the pharmaceutical composition or the drug according to the invention is rapidly dissolving.
- the pharmaceutical composition or the medicament according to the invention also comprises at least one pharmaceutically acceptable vehicle or excipient.
- the pharmaceutical composition or the drug according to the invention is in the form of a tablet, or of a capsule, comprising at least one hydrophilic excipient, preferably silica and mannitol, at least one disintegrating agent, preferably sodium croscarmellose, and at least one lubricating agent, preferably magnesium stearate.
- at least one hydrophilic excipient preferably silica and mannitol
- at least one disintegrating agent preferably sodium croscarmellose
- at least one lubricating agent preferably magnesium stearate.
- an external phase is added to the granules according to the invention to form a tablet or a capsule.
- the above excipients and agents constitute the external phase of the tablet or the capsule.
- the external phase more particularly comprises agents chosen from:
- fillers such as mannitol or PROSOLV HD90® (composition comprising 98% microcrystalline cellulose and 2% colloidal silica);
- disintegrating agents such as croscarmellose sodium
- flow agents such as hydrated colloidal silica, in particular according to the European Pharmacopoeia (in particular precipitated silica type LEVILITE ® or mesoporous silica type SYLOID ® )
- lubricating agents such as magnesium stearate.
- the granules according to the invention are such that it is not always necessary to add a lubricant to the external phase in order to prepare a tablet or a capsule.
- the pharmaceutical compositions and medicaments according to the invention in particular in the form of tablets or capsules, not comprising a lubricating agent.
- the pharmaceutical compositions and medicaments according to the invention in particular the tablets according to the invention, do not include excipients capable of modifying the gastric pH and of generating carbon dioxide gas in the stomach.
- the pharmaceutical compositions and medicaments according to the invention in particular the tablets according to the invention, do not comprise sodium carbonates and bicarbonates, sodium citrates and phosphates or strong bases, such as potassium hydroxide.
- the external phase represents less than 50% of the weight of the mixture of the granule and of the external phase.
- Compression of the tablet can be carried out on a rotary machine with conventional punches.
- the coating of the tablet can be carried out conventionally in a coating machine.
- the coating of the tablet will be carried out at a temperature below 35 ° C.
- the coating agents for the tablet are chosen such that they adhere to the surface of the tablets taking into account the surface tension of the sodium salt of ibuprofen.
- coatings based on polyvinyl alcohol are preferred to those based on hypromellose.
- the other active principle is selected from the group consisting of paracetamol, codeine, oxycodone, caffeine, phenylephrine and pseudoephedrine.
- FIG. 1 is a diagram for the preparation of a tablet according to the invention.
- FIG. 3 represents the percentage of dissolution of a tablet according to the invention (IBUNA 512 mg) and of the specialty NUROFEN ® 400 mg batch DL 365 (ordinate axis, in ug / mL) as a function of time (abscissa axis , in minutes) in 900 mL of a solution at pH 6.8, with stirring at 50 revolutions per minute.
- FIG. 5 represents images obtained by scanning electron microscopy (magnification 10 kV ⁇ 100) of crystals of ibuprofen sodium salt dihydrate (on the left) and of granules according to the invention obtained from these crystals by coating in a binder polymeric (right).
- Fig. 6 represents images obtained by scanning electron microscopy (magnification 10 kV ⁇ 100) of crystals of ibuprofen sodium salt dihydrate (on the left) and of granules according to the invention obtained from these crystals by coating in a binder polymeric (right).
- Fig. 6 represents images obtained by scanning electron microscopy (magnification 10 kV ⁇ 100) of crystals of ibuprofen sodium salt dihydrate (on the left) and of granules according to the invention obtained from these crystals by coating in a binder polymeric (right).
- Fig. 6 represents images obtained by scanning electron microscopy (magnification 10 kV ⁇ 100) of crystals of ibupro
- Figure 6 shows, from top to bottom, the powder X-ray diffraction (XRPD) spectra of ibuprofen sodium salt dihydrate:
- a granule according to the invention obtained from copovidone (polymeric binder) and acetonitrile (polar aprotic solvent).
- the x-axis represents the value of the 2-Theta angle in degrees and the y-axis represents the intensity of the diffracted rays.
- the compression is carried out on a rotary machine type KYLLIAN LX20 with conventional punches.
- the tablet is coated in a DRIACOATER type film-coating machine (DRIAM GmbH).
- Examples 1, 2 and 3 Ibuprofen sodium salt tablets obtained by granulation in a polar aprotic solvent
- FIG. 5 shows crystals of ibuprofen sodium salt dihydrate and granules according to the invention obtained from these crystals by coating in a polymeric binder by scanning electron microscopy.
- the external phases of the tablets include:
- a lubricant magnesium stearate.
- Example 3 ethyl acetate granulation
- Example 2 The formulation below is taken from Example 2 above. After adding the external phase and compressing to form the tablet, it is finalized with a film-forming composition based on polyvinyl alcohol:
- FIG. 6 shows that both in the film-coated tablets according to the invention and in the granules according to the invention, the crystalline structure of ibuprofen sodium salt dihydrate is maintained. It is in fact observed that the characteristic peaks of sodium ibuprofen dihydrate (from 16 ° to 21 ° and at 22 ° (2-Theta angle)) are preserved in each of these products.
- Example 5 Ibuprofen tablets sodium salt dihydrate 512 ma + anhydrous caffeine 100 ma
- anhydrous caffeine according to the European Pharmacopoeia is preferred, it is added directly to the external phase of the formulation of the 512 mg ibuprofen sodium salt dihydrate tablet formulation.
- Example 6 Ibuprofen capsules sodium salt dihydrate 256 and 512 ma
- Example 7 Ibuprofen capsules sodium salt dihydrate 256 ma and pseudoephedrine hydrochloride 30 ma
- a combination with pseudoephedrine hydrochloride which is added in the external phase as well as mannitol and a lubricant.
- the mannitol is added in variable quantity in order to correct the variations in density of the granule and to allow the filling and the production of capsules, in particular of size 1, by stuffing / leveling.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pharmacology & Pharmacy (AREA)
- Medicinal Chemistry (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Emergency Medicine (AREA)
- Inorganic Chemistry (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Medicinal Preparation (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1905539A FR3096264B1 (fr) | 2019-05-24 | 2019-05-24 | Procédé de préparation de compositions pharmaceutiques contenant des principes actifs amphiphiles |
| PCT/EP2020/064345 WO2020239645A1 (fr) | 2019-05-24 | 2020-05-23 | Procédé de préparation de compositions pharmaceutiques contenant des principes actifs amphiphiles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3975998A1 true EP3975998A1 (fr) | 2022-04-06 |
Family
ID=68806831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20728902.6A Pending EP3975998A1 (fr) | 2019-05-24 | 2020-05-23 | Procédé de préparation de compositions pharmaceutiques contenant des principes actifs amphiphiles |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20220378705A1 (fr) |
| EP (1) | EP3975998A1 (fr) |
| FR (1) | FR3096264B1 (fr) |
| MA (1) | MA56024A (fr) |
| WO (1) | WO2020239645A1 (fr) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0297866A3 (fr) * | 1987-07-01 | 1989-12-13 | The Boots Company PLC | Agents thérapeutiques |
| US20090186086A1 (en) * | 2008-01-17 | 2009-07-23 | Par Pharmaceutical, Inc. | Solid multilayer oral dosage forms |
| US10668156B2 (en) * | 2012-06-22 | 2020-06-02 | Basf Se | Active-ingredient-containing solid dispersions based on diethylaminoethyl methacrylate copolymers |
-
2019
- 2019-05-24 FR FR1905539A patent/FR3096264B1/fr active Active
-
2020
- 2020-05-23 MA MA056024A patent/MA56024A/fr unknown
- 2020-05-23 US US17/614,076 patent/US20220378705A1/en active Pending
- 2020-05-23 WO PCT/EP2020/064345 patent/WO2020239645A1/fr not_active Ceased
- 2020-05-23 EP EP20728902.6A patent/EP3975998A1/fr active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020239645A1 (fr) | 2020-12-03 |
| US20220378705A1 (en) | 2022-12-01 |
| FR3096264A1 (fr) | 2020-11-27 |
| MA56024A (fr) | 2022-04-06 |
| FR3096264B1 (fr) | 2022-01-07 |
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