US4317818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating prostatic carcinoma
Assignee: Richardson Vicks Inc
•
Filing: 1980-05-28
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Granted: 1982-03-02
•
Expires: 2000-05-28
Abstract
Abstract Compounds of the following general formula are useful in treating prostatic carcinoma: ##STR1## wherein R is --CHO or --CH 2 OR 1 ; each of R 1 and R 2 is hydrogen, alkylcarbonyl wherein the alkyl moiety has from 1 to 20 carbon atoms and is straight or branched, benzoyl, phenylalkylcarbonyl wherein the alkyl moiety has from 1 to 6 carbon atoms and is straight or branched or cycloalkylcarbonyl wherein the cycloalkyl moiety has from 5 to 10 carbon atoms; R 3 is hydrogen; or R 2 and R 3 together form a double bond between the 17-position carbon atom and the oxygen atom.
Inventors
- 👤 Harvey D. Benson
- 👤 Joyce F. Grunwell
- 👤 John O. Johnston
- 👤 Vladimir Petrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:49
CPC Classifications
C; C07; C07J; C07J1/00; C07J1/0003; C07J1/0018; C07J1/0022; C07J1/0011; C07J17/00
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
27 words
A method of reducing the growth rate of prostatic carcinoma in a patient in need thereof which comprises administering to said patient an effective amount of 3,17-dioxoandrost-4-en-19-al.
Claim 2
Independent Claim
27 words
A method of reducing the growth rate of prostatic carcinoma in a patient in need thereof which comprises administering to said patient an effective amount of 3,17-dioxoandrost-4-en-19-al.
Claim 3
Dependent Claim
19 words
The method of claim 1 wherein the compound is administered in an amount of from 0.1 to 500 mg/kg.
Claim 4
Dependent Claim
11 words
The method of claim 2 wherein the compound is administered orally.
Claim 5
Dependent Claim
19 words
The method of claim 1 wherein the compound is administered in an amount of from 0.1 to 250 mg/kg.
Claim 6
Dependent Claim
11 words
The method of claim 4 wherein the compound is administered orally.
Claim 7
Dependent Claim
11 words
The method of claim 4 wherein the compound is administered parenterally.
References Cited (Backward Citations)
US3449381A
Cited
US3235573A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-03-01 | 1985-08-31 | 1986-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-03-01 | 1989-08-31 | 1990-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-03-01 | 1993-08-31 | 1994-03-02 | $7700.00 | Window Closed / Lapsed |