WO1995016433A1 - Nouvelles compositions pour mousses, notamment mousses rectales, et mousses ainsi obtenues - Google Patents
Nouvelles compositions pour mousses, notamment mousses rectales, et mousses ainsi obtenues Download PDFInfo
- Publication number
- WO1995016433A1 WO1995016433A1 PCT/FR1994/001463 FR9401463W WO9516433A1 WO 1995016433 A1 WO1995016433 A1 WO 1995016433A1 FR 9401463 W FR9401463 W FR 9401463W WO 9516433 A1 WO9516433 A1 WO 9516433A1
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- WO
- WIPO (PCT)
- Prior art keywords
- composition according
- surfactant
- active principle
- weight
- foams
- Prior art date
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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
- A61K9/10—Dispersions; Emulsions
- A61K9/12—Aerosols; Foams
- A61K9/122—Foams; Dry foams
-
- 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
- A61K9/0031—Rectum, anus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/04—Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/02—Local antiseptics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/14—Vasoprotectives; Antihaemorrhoidals; Drugs for varicose therapy; Capillary stabilisers
Definitions
- the invention relates to new compositions for foams, in particular rectal foams, and the foams thus obtained.
- Some drugs require local or topical administration.
- certain drugs require administration by the oral or rectal route, in the latter case within the framework of a treatment of pathology of the rectal ampoule and other (astringent, disinfectant), for example within the framework of the treatment of inflammations rectal and hemorrhoidal, or Crohn's disease, etc.
- An example of rectal treatment consists of a treatment based on mesalazm, or hereinafter 5-ASA, or in a treatment based on hydrocortisone.
- rectal foams containing hydrocortisone are known, under the brand Proctocort® or Colifoam®.
- foams are of several types.
- stable aqueous foams stable non-aqueous foams, aqueous evanescent (quick-breaking) foams, and non-aqueous evanescent foams are known.
- These foams can be based on emulsions or suspensions of the active principle in the pharmaceutically acceptable carrier; the propellant gas being dispersed in the liquid phase which forms the dispersing phase.
- foams in particular rectal foams have disadvantages.
- these foams contain propellants based on CFCs, some of which are now prohibited. Research in the field of new propellants makes it possible to overcome this drawback.
- the main drawback of rectal foams is their low density, typically of the order of 0.1 g / l, which does not allow the administration of high amounts of active principle.
- This low density requires the administration of large amounts of foam, which is problematic because of the limited volume of the rectum (between approximately 50 ml and 400 ml).
- This problem can be solved, at least in part, by the formulation of foams highly dosed in active principle.
- Foams are therefore sought which allow a high concentration of active principle, preferably greater than 30% by weight. Since the conventional dosages are from 1 to a few grams of active principle per day, generally in two doses, the foam must have a relatively high density so as not to represent too large a volume and cause an exemption reflex.
- a foam density of at least 0.1 g / ml, with a loading rate of 35% leads to a volume of approximately 60 ml to administer 2 g of active ingredient. These 60 ml, in comparison with the volume of 700 ml of the rectal ampoule, does not cause an exemption reflex.
- a foam with a weak or rather strong secondary expansion we look for a strong secondary expansion if we want the foam to reach the descending colon and then have a systemic action by passing through the liver, this for example in the case of an antipyretic treatment using paracetamol in the form foam with systemic action.
- a weak secondary expansion is sought if it is desired that the foam remains circumscribed at a determined locus, in the present case the lower zone of the rectum for for example the treatment of hemorrhoids.
- the object of the present invention is therefore to provide a composition for foams, in particular those intended for use in a therapeutic treatment, which allows a concentration of active principle greater than 25%.
- This foam composition is a foam concentrate, that is to say the pharmaceutical carrier added to the propellant.
- the present invention provides a composition for foam, comprising, by weight relative to the total weight of the composition:
- balance being composed of water characterized in that the powder of said active ingredient has a particle size of less than 20 ⁇ m.
- the term "balance being composed of water” means that water is used to reach 100%, with or without the various additives possibly used, which are incorporated in this term "balance consisting of water”. Furthermore, this term also covers any mainly aqueous mixture, and in particular hydro-alcoholic mixtures, containing as alcohol, for example glycerol, propylene glycol, PEG-300 or PEG-400.
- water balance also covers, of course, the aqueous buffer solutions which are used, such as for example a phosphate buffer solution, comprising, in addition to purified water, monopotassium phosphate, sodium hydroxide and hydrochloric acid in sufficient quantities to reach the desired pH.
- a phosphate buffer solution comprising, in addition to purified water, monopotassium phosphate, sodium hydroxide and hydrochloric acid in sufficient quantities to reach the desired pH.
- the composition according to the invention makes it possible to deliver precise doses of drug ((accurate to +/- 10%), by passage through metering valves (LAB LABO type).
- the particle size is less than 10 ⁇ m, advantageously approximately 5 to 6 ⁇ m. Such dimensions less than 20 ⁇ m can be obtained by any conventional process.
- the so-called micronization technique is used, by subjecting a powder with a dimension of 25 ⁇ m, in two passes in an air jet micronizer.
- the Applicant has also surprisingly discovered that particularly advantageous results are obtained with an active ingredient having a particular apparent density.
- the active principle in powder form has a density between 250 and 450 g / dm 3 .
- 3 has a density comp Drrise between 300 and 350 g / dm, for example around 320 g / dm ' 3 "
- the active ingredient makes up from 30 to 50% by weight, preferably ⁇ 35 to 45% by weight.
- the surfactant present in this composition makes it possible to obtain a suspension in the form of a foam, the gas dispersing in the liquid under the effect of the surfactant.
- This term surfactant also covers mixtures of surfactants.
- the surfactant represents from 5 to 10% by weight of the composition, advantageously approximately 7.5%.
- the present invention provides a composition in which the surfactant is a mixture of two surfactants, one being a hydrophilic surfactant having an HLB value greater than 10, the other being a polyoxyalkylene.
- the hydrophilic surfactant has an HLB value greater than 12, advantageously greater than 15.
- a preferred hydrophilic surfactant is represented by a polysorbate.
- the polyoxyalkylene-based surfactant is a poloxamer.
- This term used in the present invention designates polymers having a structure identical or similar to that of the polymers known under the trade name Poloxamer®. Poloxameres are polymers containing polyoxyethylene and polyoxypropylene units, arranged in sequence.
- this poloxamer has a molecular weight greater than 5000.
- the poloxameres are described in detail in the book Martindale (28 ° Ed., Pages 375-376) and in USP XXII / NFXVII (pages 1960-61).
- a preferred poloxamer is poloxamer 188 (Pluronic® F68).
- the weight ratio between the two surfactants, hydrophilic and polyoxyalkylene varies to a large extent. However, preference is given to compositions in which the hydrophilic surfactant / polyoxyalkylene weight ratio is between 1 and 5, advantageously approximately 3.
- the surfactant is a nonionic surfactant.
- Non-ionic surfactants are less irritating.
- the present composition further comprises a suspending agent.
- the present composition further comprises a muco-adhesive agent.
- This muco-adhesive agent ensures optimal contact and a uniform distribution of the foam, for example in the rectal ampoule.
- a muco-adhesive agent which can be used in the present invention is sodium carboxymethylcellulose, hereinafter referred to as sodium CMC or simply CMC.
- CMC also has the advantage of being a suspending agent.
- the present composition can also comprise conventional additives and adjuvants.
- additives are present in conventional proportions, not interfering with the physical properties sought for the foam; conventional proportions for such additives are from 0.01 to 1% by weight, relative to the weight of the composition.
- Such additives are the agents conservatives and others.
- the active principle which the present compositions may contain is any active principle, insoluble in water or, on the contrary, soluble in water. In the latter case, the solubility is not sufficient for all the active principle to be solubilized, we then place our at the # solubility limit and the rest of the active principle is then considered to be insoluble.
- Examples of active principle which can be incorporated into the present compositions and therefore into foams are, without limitation: fluticazone, beclomethazone, budesonide, ipsalazine, balsalazine, olsalazine, mesalazine (5-ASA), 4-ASA, ⁇ alazopyrine , steroids such as hydrocortisone, prednisolone, and local anesthetics.
- the active principle is 5-ASA.
- polyols such as PEG 400, glycol, glycerol and others
- the present invention allows au ⁇ i to avoid the use of these polyols which are sometimes irritants.
- the present invention also relates to the foam, that is to say to the final product directly usable by the patient.
- the subject of the invention is also the foam comprising, for 100 parts by weight: from 80 to 95 parts of the composition according to the invention, - and from 5 to 25 parts of a propellant.
- This propellant is any known propellant suitable for this application.
- the propellant is conventionally suitable when it leads to an internal pressure of between 3 and 5 kg, and when it represents
- a known propellant gas is a 12/114, 40/60 mixture (vol / vol), the nomenclature being that known for chlorofluorocarbons
- CFC carbon dioxide
- isobutane isobutane
- the musts according to the present invention are suitable for any therapeutic treatment requiring topical application.
- the subject of the invention is de ⁇ mou ⁇ e ⁇ for rectal application.
- the present invention relates to the process for preparing the new compositions and foams containing them.
- the subject of the invention is also a process for preparing a composition according to the invention, comprising the step of dispersing the powder of active ingredient in water.
- This dispersion step is important.
- the active principle being in a pulverulent form with a very fine particle size, its apparent volume is very high.
- the apparent volume of the powder represents 5 times, or even up to 10 times, the volume of water in which said active principle is dispersed. It is therefore necessary to have an efficient disperser.
- a "Gann Emulgor" type homogenizer is used.
- dispersion and homogenization will be used in an equivalent manner.
- the process for preparing the present composition comprises the following steps: (i) preparation of a buffer;
- step (iv) parallel to the preceding steps, preparation of the surfactant; (v) mixing the product of step (iii) and of step (iv);
- the surfactant is prepared by mixing two surfactants, one being a surfactant hydrophilic having an HLB value greater than 10, the other being a polyoxyalkylene.
- the final foams are conventionally obtained by filling boxes with the present composition, positioning the valves of said boxes, pressurizing them by propellants, and possibly secondary packaging such as labeling, etc.
- variable characteristics of the concentrate for the foam are given below, that is to say the composition for foam.
- the concentrate and the composition are designated equivalently according to the invention.
- a Haake rotary viscometer (Vi ⁇ cosimeter Rotovisco RV 3) is used to determine the viscosity of the concentrates or compositions.
- the shear stresses are measured as a function of the shear speed gradient.
- the temperature is stable (30 +/- 0.5 ° C) for all samples.
- composition The macroscopic appearance of the concentrate is evaluated subjectively, taking into account the homogeneity of the foam, the presence of lumps, viscosity, etc. An overall aspect score (between 0 and 1, 0 being bad and 1 being good) is thus assigned to each concentrate. This assessment is superfluous for concentrates containing
- Variables relating to the foam A foam is conditioned according to a conventional pre-stressing protocol, explained below. Appearance: The appearance of the foam is rated according to 4 different criteria:
- the rating is subjective, and scored between 0 and 1 for each criterion, 0 being bad and 1 being good.
- the scoring is done as follows:
- Non-homogeneous aspect 0 Homogeneous aspect: 1
- the volume of the drainage liquid is determined.
- a glass funnel containing a predetermined quantity of foam, is placed on a 5 ml graduated cylinder which allows the reading of the volume of liquid lost by drainage.
- a glass plate is placed on the funnel.
- the measurement is carried out on a test sample of 5 g of foam; the volume of liquid in the test piece is read after 24 h.
- Density The density is measured using a funnel connected by a plastic hose to a push button which can be adapted to a pressurized housing.
- the weight of the empty assembly and the weight of the volume of water that this assembly can contain are determined beforehand with precision.
- Examples 1 to 33 (comparative example)
- the active principle is replaced by talc, a non-oxidizable product unlike 5-ASA, having substantially the same particle size and the same physical behavior as the latter.
- the average particle size of the talc is 25 ⁇ m.
- a comparative table is given below between talc and 5-ASA, justifying that their rheological behaviors are comparable. Table 1
- compositions F1 to F33 are given below, by groups, respectively F1 to Wire, F12 to F21, F22 to F33.
- the data are in grams of product, for a total weight of 100 g.
- the different formulas contain two main vehicles, water and glycol derivatives.
- the hydrophilic constituents are introduced into water and the lipophilic constituents are introduced into glycol or its analogs.
- the method of preparation is as follows:
- foams zero expansion, ie ⁇ e-.c or strong, consistency (liquid or firm), compcernent ejection (good behavior or noisy output).
- certain compositions are not suitable, in particular F1 to F16, F19, F21 to F23, F25 to F30, and F32, since these compositions do not allow pres ⁇ urization.
- the concentrates which are pressurized to lead to foam are therefore F17, F18, F20, F24, F31 and F33. All the foam obtained from these compounds, with the exception of that obtained from composition F33, exhibit strong expansion and are liquid. Only the foam obtained from the composition F33 is compact and slightly expansive. Furthermore, it should be noted that these formulations allow a loading rate of only 20%. Examples 34 to 41: (comparative)
- 5-ASA is obtained from Nobel Chemicals. The density of 5-ASA
- 3 is approximately 319 g / dm.
- the protocol for preparing the muds is identical to that used to prepare the formulations F1 to F33, except for the fact that a Polytron® device is used (at speed 3 on the dial for 2 min in order to obtain a homogeneous mass.
- compositions are listed in Table 3 below.
- compositions F34 and F35 are not very expansive, of compact and solid appearance.
- the foams obtained from compositions F36 and F37 are also compact and solid in appearance, but their release is difficult because the concentrate is very viscous, and they also have a strong expansion.
- the muds obtained from compositions F38 and F40 have a strong expansion.
- the foam obtained from composition F39 is compact, stable and not very expansive.
- the foam obtained at from composition F41 is not very expansive but has large bubbles and is slightly liquid. Examples A1 to A12: (comparative)
- the characteristics of these molds are summarized below:
- the concentrates A1 to A5 and A9 do not allow pressurization, either by lack of stability of the concentrate (the latter sediments), or with a high viscosity.
- the foam obtained from concentrate A10 does not exhibit good behavior at the outlet. Examples OPl to OP23 •
- the formulations OP1 to OP23 are prepared as above.
- Examples OP1, OP2, OP5 and OP6 are comparative examples, the particle size being
- compositions and characteristics of the formulations OP1 to OP8 are summarized in Table 5 below.
- the propellant gas is an F114 / F12 mixture according to a variable weight ratio and representing from 15 to 20% by weight of the final foam. The respective values obtained with these mixtures are indicated in Table B.
- the pressure of the housing is maintained at around 5 atm.
- the weight ratio between poly ⁇ orbate 80 and pluron ⁇ c®F68 is maintained at around 3.
- compositions and characteristics of the formulations OP9 to OP23 are summarized in Table 6 below.
- this characteristic of the softness is judged macroscopically by comparing the size of the bubbles with each other, the foam having to have a structure as regular as possible to obtain the note 1; conversely, a score of 0 indicates poor homogeneity;
- composition is prepared, firstly for quantities on a laboratory scale and then for quantities on a scale of 1 kg of composition.
- the proportions are given in table 7 below.
- the solution is stirred by bar. magnetic for 60 min; - weight of preservatives; they are weighed separately and collected in a stainless steel dish;
- sodium carboxymethylcellulose sodium carboxymethylcellulose
- the solution is mixed or stirred at 3500 rpm in a high speed mixer type "Stephan" for 45 min;
- preservatives are weighed separately and collected in a stainless steel dish; addition of preservatives in the sodium CMC solution, once the latter is completely homogeneous; (It is advisable not to add the preservative before the sodium CMC, as this would cause an increase in the swelling time of the solution.); pe ⁇ ée surfactants, then stirred by magnetic bar in a beaker;
- Example S2 The procedure is as in the previous example, but with the formulation and the gas indicated in Table 8 below.
- Example EC1- A composition is prepared according to Example 2 of European patent application EP-A-0 395 329 in the name of Smith Kline and French Laboratories Ltd. , excluding the fact that 5-ASA is used up to 30% by weight in the formulation.
- the particle size is around 25 ⁇ m, while the density is between 300 and 350 g / dm ⁇ .
- a Polytron homogenizer To obtain a homogeneous concentrate, it is necessary to use a Polytron homogenizer; however, the foam produced is of very poor quality: the concentrate being very thick, it is necessary to shake the housing very vigorously before use to allow an imperfect output of the foam.
- PEG 400 60 60 60 60 50 70 50 42.5 methyl paraben 0.2 0.2 propyl paraben 0.04 0.04 colloidal silica 0.2 0.2
- PEG 400 50 50 50 50 50 50 50 50 50 50 methyl paraben propyl paraben colloidal silica
Abstract
Description
Claims
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69418342T DE69418342T2 (de) | 1993-12-14 | 1994-12-14 | Neue schaumzusammensetzungen, insbesondere zur rektalen anwendung, sowie davon erhaltene schäume |
DK95903833T DK0735860T3 (da) | 1993-12-14 | 1994-12-14 | Nye sammensætninger til skum, især rektale skum, og således opnåede skum |
KR1019960703224A KR100231767B1 (ko) | 1993-12-14 | 1994-12-14 | 포말의 새로운 조성물, 그 중에서도 직장 포말, 그리고 이것으로 만들어진 포말 |
PL94315032A PL178490B1 (pl) | 1993-12-14 | 1994-12-14 | Mieszanka do wytwarzania pianki do stosowania doodbytniczego, pianka do stosowania doodbytniczego oraz sposób przygotowania mieszanki dla pianek do stosowania doodbytniczego |
EP95903833A EP0735860B1 (fr) | 1993-12-14 | 1994-12-14 | Nouvelles compositions pour mousses, notamment mousses rectales, et mousses ainsi obtenues |
DE0735860T DE735860T1 (de) | 1993-12-14 | 1994-12-14 | Neue schaumzusammensetzungen, insbesondere zur rektalen anwendung, und sowie erhaltene schäumen |
JP7516569A JP2886688B2 (ja) | 1993-12-14 | 1994-12-14 | フォーム、特に直腸フォームのための新規組成物、及びこれから得られたフォーム |
CA002179019A CA2179019C (fr) | 1993-12-14 | 1994-12-14 | Nouvelles compositions pour mousses, notamment mousses rectales, et mousses ainsi obtenues |
ES95903833T ES2093587T3 (es) | 1993-12-14 | 1994-12-14 | Nuevas composiciones para espumas, en particular espumas rectales, y espumas asi obtenidas. |
AU12753/95A AU692815B2 (en) | 1993-12-14 | 1994-12-14 | Novel foaming compositions, particularly for rectal foams, and resulting foams |
NO19962512A NO312807B1 (no) | 1993-12-14 | 1996-06-13 | Blanding for et skum og skum, spesielt for rektal anvendelse, samt fremgangsmåte for fremstilling derav |
FI962478A FI114139B (fi) | 1993-12-14 | 1996-06-14 | Menetelmä vaahtoihin, etenkin rektaalisiin vaahtoihin, tarkoitettujen koostumusten valmistamiseksi |
GR990401437T GR3030348T3 (en) | 1993-12-14 | 1999-05-27 | Novel foaming compositions, particularly for rectal foams, and resulting foams |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9314973A FR2713486B1 (fr) | 1993-12-14 | 1993-12-14 | Nouvelles compositions pour mousses, notamment mousses rectales, et mousses ainsi obtenues. |
FR93/14973 | 1993-12-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1995016433A1 true WO1995016433A1 (fr) | 1995-06-22 |
Family
ID=9453888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1994/001463 WO1995016433A1 (fr) | 1993-12-14 | 1994-12-14 | Nouvelles compositions pour mousses, notamment mousses rectales, et mousses ainsi obtenues |
Country Status (19)
Country | Link |
---|---|
US (1) | US5725872A (fr) |
EP (1) | EP0735860B1 (fr) |
JP (1) | JP2886688B2 (fr) |
KR (1) | KR100231767B1 (fr) |
AT (1) | ATE179596T1 (fr) |
AU (1) | AU692815B2 (fr) |
CA (1) | CA2179019C (fr) |
CZ (1) | CZ291272B6 (fr) |
DE (2) | DE735860T1 (fr) |
DK (1) | DK0735860T3 (fr) |
ES (1) | ES2093587T3 (fr) |
FI (1) | FI114139B (fr) |
FR (1) | FR2713486B1 (fr) |
GR (1) | GR3030348T3 (fr) |
HU (1) | HUT74515A (fr) |
NO (1) | NO312807B1 (fr) |
NZ (1) | NZ277507A (fr) |
PL (1) | PL178490B1 (fr) |
WO (1) | WO1995016433A1 (fr) |
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DE19849737A1 (de) * | 1998-10-28 | 2000-05-04 | Falk Pharma Gmbh | Kombinationsmittel zur Behandlung entzündlicher Darmerkrankungen |
US6613803B1 (en) | 1997-04-22 | 2003-09-02 | Euro-Celtique S.A. | Carbocyclic and heterocyclic substituted semicarbazones and thiosemicarbazones and the use thereof |
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EP0395329A2 (fr) * | 1989-04-26 | 1990-10-31 | Smith Kline & French Laboratories Limited | composition sous forme de mousse contenant l'acide amino-5 salicylique pour administration intra-rectale |
FR2647344A1 (fr) * | 1989-05-25 | 1990-11-30 | Physiopharm Sarl | Mousse aerosol a usage rectal |
EP0533938A1 (fr) * | 1991-02-19 | 1993-03-31 | TSUMURA & CO. | Composition pour administration par voie rectale de peptides difficiles a absorber |
-
1993
- 1993-12-14 FR FR9314973A patent/FR2713486B1/fr not_active Expired - Fee Related
-
1994
- 1994-12-14 CZ CZ19961756A patent/CZ291272B6/cs not_active IP Right Cessation
- 1994-12-14 HU HU9601628A patent/HUT74515A/hu not_active IP Right Cessation
- 1994-12-14 NZ NZ277507A patent/NZ277507A/en not_active IP Right Cessation
- 1994-12-14 DE DE0735860T patent/DE735860T1/de active Pending
- 1994-12-14 KR KR1019960703224A patent/KR100231767B1/ko not_active IP Right Cessation
- 1994-12-14 PL PL94315032A patent/PL178490B1/pl not_active IP Right Cessation
- 1994-12-14 CA CA002179019A patent/CA2179019C/fr not_active Expired - Fee Related
- 1994-12-14 AT AT95903833T patent/ATE179596T1/de not_active IP Right Cessation
- 1994-12-14 WO PCT/FR1994/001463 patent/WO1995016433A1/fr active IP Right Grant
- 1994-12-14 AU AU12753/95A patent/AU692815B2/en not_active Ceased
- 1994-12-14 JP JP7516569A patent/JP2886688B2/ja not_active Expired - Lifetime
- 1994-12-14 DE DE69418342T patent/DE69418342T2/de not_active Expired - Fee Related
- 1994-12-14 EP EP95903833A patent/EP0735860B1/fr not_active Expired - Lifetime
- 1994-12-14 ES ES95903833T patent/ES2093587T3/es not_active Expired - Lifetime
- 1994-12-14 DK DK95903833T patent/DK0735860T3/da active
-
1996
- 1996-06-13 NO NO19962512A patent/NO312807B1/no unknown
- 1996-06-14 FI FI962478A patent/FI114139B/fi active
- 1996-09-17 US US08/663,049 patent/US5725872A/en not_active Expired - Fee Related
-
1999
- 1999-05-27 GR GR990401437T patent/GR3030348T3/el unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0395329A2 (fr) * | 1989-04-26 | 1990-10-31 | Smith Kline & French Laboratories Limited | composition sous forme de mousse contenant l'acide amino-5 salicylique pour administration intra-rectale |
FR2647344A1 (fr) * | 1989-05-25 | 1990-11-30 | Physiopharm Sarl | Mousse aerosol a usage rectal |
EP0533938A1 (fr) * | 1991-02-19 | 1993-03-31 | TSUMURA & CO. | Composition pour administration par voie rectale de peptides difficiles a absorber |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6613803B1 (en) | 1997-04-22 | 2003-09-02 | Euro-Celtique S.A. | Carbocyclic and heterocyclic substituted semicarbazones and thiosemicarbazones and the use thereof |
WO1999048471A1 (fr) * | 1998-03-24 | 1999-09-30 | The Procter & Gamble Company | Copolymeres de polyalkoxy utilises en tant qu'inhibiteurs de lipase et leurs compositions |
US6461601B1 (en) | 1998-03-24 | 2002-10-08 | The Proctor & Gamble Company | Polyalkoxy copolymers as lipase inhibitors and their compositions |
DE19849737A1 (de) * | 1998-10-28 | 2000-05-04 | Falk Pharma Gmbh | Kombinationsmittel zur Behandlung entzündlicher Darmerkrankungen |
Also Published As
Publication number | Publication date |
---|---|
NO312807B1 (no) | 2002-07-08 |
FR2713486B1 (fr) | 1996-02-09 |
NO962512D0 (no) | 1996-06-13 |
JP2886688B2 (ja) | 1999-04-26 |
AU692815B2 (en) | 1998-06-18 |
DK0735860T3 (da) | 1999-11-01 |
PL315032A1 (en) | 1996-09-30 |
FR2713486A1 (fr) | 1995-06-16 |
FI962478A0 (fi) | 1996-06-14 |
US5725872A (en) | 1998-03-10 |
CZ291272B6 (cs) | 2003-01-15 |
NO962512L (no) | 1996-08-08 |
HUT74515A (en) | 1997-01-28 |
HU9601628D0 (en) | 1996-08-28 |
CA2179019A1 (fr) | 1995-06-22 |
AU1275395A (en) | 1995-07-03 |
PL178490B1 (pl) | 2000-05-31 |
DE69418342D1 (de) | 1999-06-10 |
DE735860T1 (de) | 1997-06-26 |
FI962478A (fi) | 1996-06-14 |
CA2179019C (fr) | 2002-03-19 |
JPH09506605A (ja) | 1997-06-30 |
ES2093587T1 (es) | 1997-01-01 |
KR100231767B1 (ko) | 1999-11-15 |
NZ277507A (en) | 1997-09-22 |
DE69418342T2 (de) | 1999-11-04 |
FI114139B (fi) | 2004-08-31 |
CZ175696A3 (en) | 1997-04-16 |
ES2093587T3 (es) | 1999-07-16 |
GR3030348T3 (en) | 1999-09-30 |
ATE179596T1 (de) | 1999-05-15 |
EP0735860B1 (fr) | 1999-05-06 |
EP0735860A1 (fr) | 1996-10-09 |
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