Fluoxetine enteric pellets and methods for their preparation...

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Capsules

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C424S459000, C424S461000, C424S463000, C424S464000, C424S489000

Reissue Patent

active

RE039030

ABSTRACT:
A superior enteric formulation of the antidepressant drug, fluoxetine, is in the form of enteric pellets of which the enteric layer comprises hydroxypropylmethylcellulose acetate succinate.

REFERENCES:
patent: 4017647 (1977-04-01), Ohno et al.
patent: 4018895 (1977-04-01), Molloy et al.
patent: 4194009 (1980-03-01), Molloy et al.
patent: 4314081 (1982-02-01), Molloy et al.
patent: 4444778 (1984-04-01), Coughlin
patent: 4626549 (1986-12-01), Molloy et al.
patent: 4797286 (1989-01-01), Thakkar et al.
patent: 4847092 (1989-07-01), Thakkar et al.
patent: 4853230 (1989-08-01), Lovgren et al.
patent: 4918242 (1990-04-01), Brown
patent: 5104899 (1992-04-01), Young et al.
patent: 5356934 (1994-10-01), Robertson et al.
patent: 5362886 (1994-11-01), Berglund
patent: 5508276 (1996-04-01), Anderson et al.
patent: 687 472 (1995-12-01), None
patent: 0 687 472 (1995-12-01), None
patent: 693 281 (1996-01-01), None
patent: 0 693 281 (1996-01-01), None
patent: 2 057 876 (1981-04-01), None
patent: WO 92/13452 (1992-08-01), None
patent: 92/13452 (1992-08-01), None
patent: 92/19226 (1992-11-01), None
patent: WO 92/19226 (1992-11-01), None
patent: 93/18755 (1993-09-01), None
patent: WO 93/18755 (1993-09-01), None
patent: 93/24154 (1993-12-01), None
patent: WO 93/24154 (1993-12-01), None
patent: WO 95/12385 (1995-05-01), None
patent: 95/12385 (1995-05-01), None
Johnson,World Patents Index, #93-352132, 1993.
Oguiza et al.,World Patents Index, #96-031591, 1996.
Wong et al.,Chemical Abstracts, vol. 124, #156011, 1995.
Montgomery, et al.,Eur. Arch. Psychiatry Clin. Neurosci., 244:211-215 (1994).
Burke, et al.,Psychopharmacol. Bull. 31(3); 524 (1995).
Stafford, et al.,Drug Development and Industrial Pharmacy, 8(4):513-530 (1982).
Osterwald, Hermann P.,Pharmaceutical Research, 2:14-18 (1985).
Davis, et al.,Drug Development and Industrial Pharmacy, 12(10):1419-1448 (1986).
Bloor, et al.,Drug Development and Industrial Pharmacy, 15(15-16):2227-2243.
Nagai, et al.,Aqueous Polymeric Coating for Pharmaceutical Dosage Forms, Marcel Dekker, N.W. and Basel, 81-152 (1989).
Chang, Rong-Kuo,Pharmaceutical Technology, 14(10):2-70 (1990).
Fujii, et al., Recent Advances On Aqueous Polymeric Coating System and Related Techniques, Proceedings of Pre-World Congress Particle Technology in Gifu, Sep. 17-18, 1990, Gifu, Japan, 80-85 (1990).
Delattre, et al.,Proceed. Intern. Symp. Control Rel. Bioact. Mater., 19:267-268 (1992).
Schmidt, et al.,Drug Development and Industrial Pharmacy, 18(18):1969-1979 (1992).
Wyatt, “Enhanced Stability of Aqueous Cellulose Acetate Phthalate (CAP) Enteric Films.” Presented AASP Annual Meeting, San Antonio, TX, Nov. 15-19, 1992.
Takahata, et al.,Chemical and Pharmaceutical Bulletin, 41(6):1137-1143 (1993).
Obara, et al.,Pharmaceutical Research, 11(11):1562-1567 (1994).
Shin-Etsu Chemical Co., Ltd., “An Improved Aqueous Coating Using Shin-Etsu AQOAT”, AQOAT Technical Information Bulletin, 1994.
Japan Pharmaceutical Excipients Council, “Hydroxypropylmethylcellulose Acetate Succinate”, Japanese Pharmaceutical Excipients 1993 (JPE 1993), 183-187, Yakuji Nippo, Ltd., Tokyo, Japan, 1994.
Shin-Etsu Chemical Co., Ltd. “Dry Coating”, AQOAT Technical Inormation No. A-3, Sep., 1996.
Obara, et al., Poster PT6115, Dry Coating′—A Novel.
Montgomery et al.,Lack of Efficacy of Fluoxetine in Recurrent Brief Depression and Suicidal Attempts, Eur. Arch. Psychiatry Clin. Neurosci. (1994), 244:211-215.
Burke et al.,Weekly Fluoxetine Controls Symptoms of Depression, Psychopharmacology Bulletin (1995), 31(3):524.
Stafford et al.,Enteric Film Coating Using Completely Aqueous Dissolved Hydroxypropyl Methyl Cellulose Phthalate Spray Solutions, Drug Dev. And Industrial Pharmacy (1982), 8(4):513-530.
Osterwald, H.P.,Properties of Film-Formers and Their Use in Aqueous Systems, Pharmaceutical Research (1985), 2(1):14-18.
Davis et al.,Preparation and Stability of Aqueous-Based Enteric Polymer Dispersions, Drug. Dev. And Industrial Pharmacy (1986), 12(10):1419-1448.
Bloor et al.,The InVitro and InVivo Performance of Aqueous Based Enteric Coats of Neutralised Hydroxypropyl Methyl Cellulose Phthalate, Drug Dev. And Industrial Pharmacy (1989), 15(14-16):2227-2243.
Nagai et al.,Ch. 3—Applications of HPMC and HPMCAS Aqueous Film Coating of Pharmaceutical Dosage Forms, Aqueous Polymeric Coatings for Pharmaceutical Dosage Forms (1989), pp 81-152.
Chang, R.,A Comparison of Rheological and Enteric Properties Among Organic Solutions, Ammonium Salt Aqueous Solutions, and Latex Systems of Some Enteric Polymers, Pharm. Tech. (Oct. 1990), 14(10):2-70.
Fujii et al.,Coating Technique of Granules with Hydroxypropylmethylcellulose Acetate Succinate, Recent Advances on Aqueous Polymeric Coating System and Related Techniques (Sep. 1990) pp 80-85.
DeLattre et al.,Enteric Film Coating With Aqueous Solutions of Hydroxypropylmethylcellulose Acetate Succinate, Proceed. Intern. Symp. Control. Rel. Bioact.Matter (1992) 19:267-268.
Schmidt et al.,The MiniWiD-Coater: II. Comparison of Acid Resistance of Enteric-Coated Bisacodyl Pellets Coated with Different Polymers, Drug Dev. And Industrial Pharmacy (1992), 18(18):1969-1979.
Wyatt, D.M.,Enhanced Stability of Aqueous Cellulose Acetate Phthalate(C-A-P)Enteric Films, 7thAnnual AAPS Conf. (1992) pp 1-5.
Takahata et al.,Microencapsulation of Benzoic Acid Derivatives Using an Enteric Polymer by Surface Neutralization Method and Derivation of an Empirical Equation for Predicting Film Formation, Chem. Pharm. Bull. (1993), 41(6):1137-1143.
Obara et al.,Properties of Free Films Prepared from Aqueous Polymers by a Spraying Technique, Pharm. Res. (1994), 11(11):1562-1567.
Shin-Etsu Chemical Co., Ltd.,An Improved Aqueous Coating Using Shin-Etsu AQOAT, Shin-Etsu Tech. Information Bull. (Feb. 1994) pp 1-14.
Yakuji Nippo, Ltd.,Hydroxypropylmethylcellulose Acetate Succinate, Japanese Pharmaceutical Excipients (1993) pp 182-187.
Shin-Etsu Chemical Co., Ltd., “Dry Coating”, An Innovative Enteric Coating Using Shin-Etsu AQOAT®, Shin-Etsu Tech. Information No. A3. (Sep. 1996) pp 1-7.
Obara et al., “Dry Coating”, A Novel Enteric Coating Method Using a Cellulose Derivative, Pharm. Res. (Sep. 1996)—PT6115, 13(9):S-185.
Corey et al.,Enantioselective and Practical Syntheses of R- and S-Fluoxetines, Tetrahedron Letters (1989), 30(39):5207-5210.
Johnson, K.H.,World Patents Index, #93-352132 (1993).
Oguiza, et al.,World Patents Index, #96-031591 (1996).
Wong et al.,World Patents Index, vol. 124, #156011 (1995).
Benfield et al.,Fluoxetine, A Review of its Pharmacodynamic and Pharmacokinetic Properties, and Therapeutic Efficacy in Repressive Illness, Drugs (1986), vol. 32, pp 481-508.
Wirth et al.,Maillard Reaction of Lactose and Fluoxetine Hydrochloride, a Secondary Amine, Journal of Pharmaceutical Sciences (Jan. 1998), 87(1):31-39.

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