WO1993019758A1 - Compositions and methods for treating benign prostatic hypertrophy - Google Patents
Compositions and methods for treating benign prostatic hypertrophy Download PDFInfo
- Publication number
- WO1993019758A1 WO1993019758A1 PCT/US1993/003145 US9303145W WO9319758A1 WO 1993019758 A1 WO1993019758 A1 WO 1993019758A1 US 9303145 W US9303145 W US 9303145W WO 9319758 A1 WO9319758 A1 WO 9319758A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- alpha
- compound
- receptor antagonist
- steroid
- carboxylic acid
- Prior art date
Links
Classifications
-
- 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
- A61K31/56—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P13/00—Drugs for disorders of the urinary system
- A61P13/02—Drugs for disorders of the urinary system of urine or of the urinary tract, e.g. urine acidifiers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P15/00—Drugs for genital or sexual disorders; Contraceptives
Definitions
- This invention relates to a pharmaceutical composition containing N- t-butyl-androst-3,5-diene-17 ⁇ -carboxamide-3-carboxylic acid or a salt thereof or 17 ⁇ -(N-t-butylcarboxamide)-estra-l,3,5(10)-triene-3-carboxylic acid or a salt thereof and an alpha-andrenergic receptor antagonist compound and a pharmaceutically acceptable carrier or diluent.
- This invention also relates to a method of treating benign prostatic hypertrophy in a mammal, including a human, in need thereof which comprises administering an effective dose of N-t-butyl-androst-3,5-diene-17 ⁇ - carboxamide-3-carboxylic acid or a salt thereof or 17 ⁇ -(N-t- butylcarboxamide-estra-l,3,5(10)-triene-3-carboxylic acid or a salt thereof and an alpha-andrenergic receptor antagonist compound to such mammal.
- ⁇ adrenoceptors long have been the targets of efforts to develop agents effective in changing vascular tone for use in treating diseases, such as hypertension, in which alterations in vascular resistance produce therapeutic benefits.
- Lafferty, et al. U.S. Patent No. 4,963,547 discloses that compounds which are alpha-andrenergic receptor antagonists are useful in treating cardiovascular diseases in which changes in vascular resistance are desirable, including hypertension, pulmonary hypertension, congestive heart failure, myocardial ischemia, angina pectoris, and peripheral vascular disease.
- Lafferty I also discloses that said compounds are useful in treating vascular disorders such as diabetes, benign prostatic hypertrophy and ocular hypertension.
- Lafferty I does not disclose that compounds which are alpha- andrenergic receptor antagonists as having utility in combination with an inhibitor of steroid 5- ⁇ -reductase.
- Compound A N-t-butyl-androst-3,5-dienel7 ⁇ -carboxamide-3-carboxylic acid and salts thereof (hereinafter Compound A) is disclosed and claimed in Holt, et al. U.S. Patent No. 5,017,568 (Holt I).
- Holt I discloses Compound A as a novel steroid 5- ⁇ -reductase inhibiting compound which exhibits the therapeutic effect of lowering prostatic levels of dihydrotestosterone thereby reducing prostate size.
- Holt I All of the compounds disclosed in Holt I as having 5- ⁇ -reductase inhibiting activity have utility in the invented compositions.
- Holt I does not disclose compound A in combination with an alpha- andrenergic receptor antagonist compound.
- Compound B 17B-(N-t-butylcarboxamide)-estra-l,3,5(10)-triene-3-carboxylic acid and salts thereof (hereinafter Compound B) is disclosed and claimed in Holt et al. U.S. Patent No. 4,954,446 (Holt II). Holt II discloses compound B as a novel steroid 5- ⁇ -reductase inhibiting compound which exhibits the therapeutic effect of lowering prostatic levels of dihydrotestosterone thereby reducing prostate size.
- Holt II All of the compounds disclosed in Holt II as having 5- ⁇ -reductase inhibiting activity have utility in the invented compositions.
- Holt II does not disclose compound B as having utility in combination with an alpha-andrenergic receptor antagonist compound.
- This invention relates to a pharmaceutical composition containing N-t-butyl-androst-3,5-diene-17 ⁇ -carboxamide-3-carboxylic acid or a salt thereof or 17 ⁇ -(N-t-butylcarboxamide)-estra-l,3,5(10)-triene-3-carboxylic acid or a salt thereof and an alpha-andrenergic receptor antagonist compound and a pharmaceutically acceptable carrier or diluent.
- This invention also relates to a method of treating benign prostatic hypertrophy in a mammal, including a human, in need thereof which comprises administering an effective dose of N-t-butyl-androst-3,5-diene- 17 ⁇ -carboxamide-3-carboxylic acid or a salt thereof or 17 ⁇ -(N-t- butylcarboxamide)-estra-l,3,5(10)-triene-3-carboxylic acid or a salt thereof and an alpha-andrenergic receptor antagonist compound to such mammal.
- Preferred alpha-andrenergic receptor antagonists for use in the compositions and methods of the invention include amsulosin, terazocin, doxazosin, alfuzosin, indoramin and prazosin and 7-chloro-2-ethyl- 3,4,5,6-tetrahydro-4-methylthieno[4,3,2-ef]-[3]benzazepine.
- amsulosin as used herein is meant a compound of the formula
- amsulosin is designated as (-)-(R)-5-[2-[[2-(0- ethoxyphenoxy)ethyl]amino]propyl]-2-methoxybenzenesulfonamide.
- Amsulosin is disclosed in U.S. Patent Number 4,703,063 and claimed in U.S. Patent Number 4,987,125 as being useful in treating lower urinary tract dysfunction.
- terazocin as used herein is meant a compound of the formula
- terazocin is designated as l-(4-amino-6,7-dimethoxy-2 quinazolinyl)-4-[(tetrahydro-2-f royl)carbonyl]piperazine.
- Terazocin is disclosed in U.S. Patent Number 4,251,532.
- doxazosin as used herein is meant a compound of the formula
- doxazosin is designated as l-(4-amino-6,7- dimethoxy-2-quinazolinyl)-4-[(2,3-dihydro-l,4-benzodioxin-2- yl)carbonyl]-piperazine.
- alfiizosin as used herein is meant a compound of the formula
- Chemically alfiizosin is designated as N-[3-[(4-amino-6,7- di ⁇ ethoxy-2-q ⁇ inazolinyl)methylamino]propyl3tetrahydro-2- furancarboxamide.
- Alfiizosin is disclosed in U.S. Patent Number 4,315,007.
- indoramin as used herein is meant a compound fo the formula
- prazosin as used herein is meant a compound of the formula
- Chemically prazosin is designated as l-(4-amino-6,7-dimethoxy-2- quinazolinyl)-4-(2-furanylcarbonyl)piperazine.
- Prazosin is disclosed in U.S. Patent Number 3,511,836.
- -[3]benzazepine" as used herein includes salts, hydrates and soluates thereof.
- 7-chloro-2-ethyl-3,4,5,6-tetrahydro-4- methylthieno[4,3,2-ef]-[3]benzazepine is disclosed in U.S. patent number 5,006,521. Additionally, all compounds disclosed in U.S. patent number 5,006,521 as alpha-andrenergic receptor antagonist are preferred alpha- andrenergic receptor antagonist as used herein.
- alpha-andrenergic receptor antagonist a compound other than one specifically referred to herein is a alpha-andrenergic receptor antagonist by utilizing the assay described in Lafferty I. Thus, all such compounds are included within the scope of the term "alpha- andrenergic receptor antagonist" as used herein.
- administering is meant either simultaneous administration or any manner of consecutive administration of compound A or compound B and an alpha-andrenergic receptor antagonist compound.
- the two compounds are administered in a close time proximity to each other.
- the compounds are both administered in the same dosage form, e.g. one compound may be administered by injection and the other compound maybe administered orally.
- compositions of this invention alleviate the symptoms associated wit the disease state of benign prostatic hypertrophy to a greater extent than can be achieved by either component alone.
- Solid or liquid pharmaceutical carriers are employed.
- Solid carriers include starch, lactose, calcium sulfate dihydrate, terra alba, sucrose, talc, gelatin, agar, pectin, acacia, magnesium stearate, and stearic acid.
- Liquid carriers include syrup, peanut oil, olive oil, saline, and water.
- the carrier or diluent may include any prolonged release material, such as glyceryl monostearate or glyceryl distearate, alone or with a wax.
- the amount of solid carrier varies widely but, preferably, will be firom about 25 mg to about 1 g per dosage unit.
- the preparation will be in the form of a syrup, elixir, emulsion, soft gelatin capsule, sterile injectable liquid such as an ampoule, or an aqueous or nonaqueous liquid suspension.
- the pharmaceutical preparations are made following conventional techniques of a pharmaceutical chemist involving mixing, granulating, and compressing, when necessary, for tablet forms, or mixing, filling and dissolving the ingredients, as appropriate, to give the desired oral or parenteral products.
- each active component of the pharmaceutical composition of the invention must be contemplated when formulating conventional dosage regimens. Both components can be incorporated into a timed release dosage unit form in which several doses are treated for delayed or sustained release of the medicament.
- dosage units may comprise sustained release granules, sugar centered spheres or multilayered tablets in each of which the availability of the active ingredient is controlled by coating with a lupid or polymeric material.
- This invention also relates to a method of treating benign prostatic hypertrophy in a mammal, including a human, in need thereof which comprises administering N-t-butyl-androst-3,5-diene-17 ⁇ -carboxamide-3- carboxylic acid or a salt thereof or 17 ⁇ -(N-t-butylcarboxamide)-estra- l,3,5(10)-triene-3-carboxylic acid or a salt thereof and an alpha- andrenergic receptor antagonist compound to such mammal.
- the individual compounds of the claimed combinations can be administered as a single pharmaceutical composition or consecutively in separate pharmaceutical compositions, whichever administration scheme may be appropriate.
- One of skill in the art using conventional techniques can determine the most appropriate way to administer the two compounds (consecutively versus simultaneously) depending on such factors as the age, sex weight and health of the patient and the disease state to be treated.
- Doses of the present combination in a pharmaceutical dosage unit as described above will be an efficacious, non toxic quantity preferably selected from the range of 0.01-100 mg/kg of each active compound, preferably 0.1-50 mg kg.
- The. selected dose is administered to a patient in need of treatment for benign prostatic hypertrophy preferably from 1- 6 times daily, orally, or parenterally.
- Preferred forms of parenteral administration include topically, rectally, transdermally, by injection and continuously by infusion.
- Oral dosage units for human administration preferably contain from 1 to 500 mg of active compound. Oral administration, which uses lower dosages is preferred. Parenteral administration, at high dosages, however, also can be used when safe and convenient for the patient.
- a 5 ⁇ -reductase inhibiting compound, other than compound A and compound B, in a pharmaceutical composition with an alpha-andrenergic receptor antagonist is contemplated.
- Persons skilled in the art can readily determine if a compound, other than compound A and compound B, is a 5 ⁇ -reductase inhibiting compound by methods well known in the art, such as those described in Levy et al: J. Steroid Biochem 34: 571-575, (1989). Thus, all such compounds-are included within the scope of the term "5 ⁇ -reductase inhibitor" as used herein.
- the following examples illustrate preparation of the claimed pharmaceutical compositions. The examples are not intended to limit the scope of the invention as defined hereinabove and as claimed below.
- EXAMPLE 1 Gelatin Capsule An oral dosage form for administering the claimed compounds and compositions is produced by screening, mixing and filling into hard gelatin capsules the ingredients in the proportions shown in Table I below.
- lactose, microcrystalline cellulose and claimed compounds and compositions shown in Table II below are mixed and granulated in the proportions shown with a 10% gelatin solution.
- the wet granules are screened, dried, mixed with the starch, talc and stearic acid, screened and compressed into a tablet.
- N-t-butyl-androst-3,5-diene-17 ⁇ -carboxamide-3-carboxylic acid 50 mg
- amsulosin 50 mg
- EXAMPLE 4 The following compounds (expressed as base weight) are mixed together with 250 mg of lactose and 10 mg of magnesium stearate then filled into a hard gelatin capsule. These capsules are administered from 1-6 times daily to a patient in need of treatment of benign prostatic hypertrophy.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP93908738A EP0633781A4 (en) | 1992-04-02 | 1993-04-02 | Compositions and methods for treating benign prostatic hypertrophy. |
JP5517741A JPH07505398A (en) | 1992-04-02 | 1993-04-02 | Compositions and methods for treating benign prostatic hyperplasia |
AU39451/93A AU668157B2 (en) | 1992-04-02 | 1993-04-02 | Compositions and methods for treating benign prostatic hypertrophy |
KR1019940703522A KR950700746A (en) | 1992-04-02 | 1994-10-04 | Compositions and Methods for Treating Benign Prostatic Hypertrophy |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86211792A | 1992-04-02 | 1992-04-02 | |
US07/862,117 | 1992-04-02 | ||
US99779292A | 1992-12-29 | 1992-12-29 | |
US07/997,792 | 1992-12-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1993019758A1 true WO1993019758A1 (en) | 1993-10-14 |
Family
ID=27127672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1993/003145 WO1993019758A1 (en) | 1992-04-02 | 1993-04-02 | Compositions and methods for treating benign prostatic hypertrophy |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0633781A4 (en) |
JP (1) | JPH07505398A (en) |
KR (1) | KR950700746A (en) |
AU (1) | AU668157B2 (en) |
CA (1) | CA2133440A1 (en) |
MX (1) | MX9301939A (en) |
NZ (1) | NZ251658A (en) |
WO (1) | WO1993019758A1 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995006461A1 (en) * | 1993-09-03 | 1995-03-09 | Smithkline Beecham Corporation | Stabilized tablet formulation |
US5543417A (en) * | 1994-10-21 | 1996-08-06 | Merck & Co., Inc. | Combination method of treating acne using 4-AZA-5α-cholestan-ones and 4-AZA-5α-androstan-ones as selective 5α-reductase inhibitors with anti-bacterial, keratolytic, or anti-inflammatory agents |
WO1998005308A2 (en) * | 1996-08-01 | 1998-02-12 | Novartis Ag | Terazosin capsules |
US5753641A (en) * | 1991-03-20 | 1998-05-19 | Merck & Co., Inc. | Method of treatment for benign prostatic hyperplasia |
US5760054A (en) * | 1994-04-14 | 1998-06-02 | Merck & Co., Inc. | Alpha IC adrenergic receptor antagonists |
US5843953A (en) * | 1994-10-25 | 1998-12-01 | Merck & Co., Inc. | 7-substituted 4-aza cholanic acid derivatives and their use |
US10300141B2 (en) | 2010-09-02 | 2019-05-28 | Grünenthal GmbH | Tamper resistant dosage form comprising inorganic salt |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4963547A (en) * | 1988-06-01 | 1990-10-16 | Smithkline Beecham Corporation | Alpha-andrenergic receptor antagonists and use thereas |
US5017568A (en) * | 1987-04-29 | 1991-05-21 | Smithkline Beecham Corporation | Steriod 5-alpha-reductase inhibitors |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL101243A (en) * | 1991-03-20 | 1999-12-22 | Merck & Co Inc | Pharmaceutical compositions for treatment of benign prostatic hyperplasia comprising a steroid derivative |
US5308832A (en) * | 1992-07-27 | 1994-05-03 | Abbott Laboratories | Nutritional product for persons having a neurological injury |
-
1993
- 1993-04-02 AU AU39451/93A patent/AU668157B2/en not_active Ceased
- 1993-04-02 NZ NZ251658A patent/NZ251658A/en unknown
- 1993-04-02 JP JP5517741A patent/JPH07505398A/en active Pending
- 1993-04-02 MX MX9301939A patent/MX9301939A/en unknown
- 1993-04-02 WO PCT/US1993/003145 patent/WO1993019758A1/en not_active Application Discontinuation
- 1993-04-02 EP EP93908738A patent/EP0633781A4/en not_active Withdrawn
- 1993-04-02 CA CA002133440A patent/CA2133440A1/en not_active Abandoned
-
1994
- 1994-10-04 KR KR1019940703522A patent/KR950700746A/en not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5017568A (en) * | 1987-04-29 | 1991-05-21 | Smithkline Beecham Corporation | Steriod 5-alpha-reductase inhibitors |
US4963547A (en) * | 1988-06-01 | 1990-10-16 | Smithkline Beecham Corporation | Alpha-andrenergic receptor antagonists and use thereas |
Non-Patent Citations (1)
Title |
---|
See also references of EP0633781A4 * |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6046183A (en) * | 1991-03-20 | 2000-04-04 | Merck & Co., Inc. | Method of synergistic treatment for benign prostatic hyperplasia |
US5753641A (en) * | 1991-03-20 | 1998-05-19 | Merck & Co., Inc. | Method of treatment for benign prostatic hyperplasia |
US5882681A (en) * | 1993-09-03 | 1999-03-16 | Smithkline Beecham Corporation | Stabilized tablet formulation |
US5665390A (en) * | 1993-09-03 | 1997-09-09 | Smithkline Beecham Corporation | Stabilized tablet formulation |
WO1995006461A1 (en) * | 1993-09-03 | 1995-03-09 | Smithkline Beecham Corporation | Stabilized tablet formulation |
US5760054A (en) * | 1994-04-14 | 1998-06-02 | Merck & Co., Inc. | Alpha IC adrenergic receptor antagonists |
US5543417A (en) * | 1994-10-21 | 1996-08-06 | Merck & Co., Inc. | Combination method of treating acne using 4-AZA-5α-cholestan-ones and 4-AZA-5α-androstan-ones as selective 5α-reductase inhibitors with anti-bacterial, keratolytic, or anti-inflammatory agents |
US5843953A (en) * | 1994-10-25 | 1998-12-01 | Merck & Co., Inc. | 7-substituted 4-aza cholanic acid derivatives and their use |
WO1998005308A2 (en) * | 1996-08-01 | 1998-02-12 | Novartis Ag | Terazosin capsules |
US5952003A (en) * | 1996-08-01 | 1999-09-14 | Novartis Corporation | Terazosin capsules |
WO1998005308A3 (en) * | 1996-08-01 | 1998-04-23 | Ciba Geigy Ag | Terazosin capsules |
US6110493A (en) * | 1996-08-01 | 2000-08-29 | Novartis Corporation | Terazosin capsules |
US10300141B2 (en) | 2010-09-02 | 2019-05-28 | Grünenthal GmbH | Tamper resistant dosage form comprising inorganic salt |
Also Published As
Publication number | Publication date |
---|---|
EP0633781A1 (en) | 1995-01-18 |
CA2133440A1 (en) | 1993-10-14 |
AU668157B2 (en) | 1996-04-26 |
EP0633781A4 (en) | 1995-04-19 |
AU3945193A (en) | 1993-11-08 |
MX9301939A (en) | 1994-08-31 |
NZ251658A (en) | 1996-08-27 |
KR950700746A (en) | 1995-02-20 |
JPH07505398A (en) | 1995-06-15 |
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