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US3917825A Expired / Lapsed US ⏱️ 0.0 years remaining

Preparation for rectal or vaginal administration containing LH-RH or its analogs

Assignee: Takeda Pharmaceutical Co Ltd
•
Filing: 1973-10-12
•
Granted: 1975-11-04
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Expires: 1993-10-12
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Abstract

Abstract Novel preparations essentially comprising nona- or deca-peptide having luteinizing hormone-releasing activity dispersed homogeneously in an oleaginous base or in a mixture of the oleaginous base and a non-ionic surfactant effectively exhibit a luteinizing hormone-releasing activity when administered to warmblooded animals by rectal or vaginal route.

Inventors

  • 👤 Tai Matsuzawa
  • 👤 Shin-Ichiro Hirai
  • 👤 Masahiko Fujino
  • 👤 Shigeru Kobayashi
  • 👤 Iwao Yamazaki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 00:59
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/02; A61K9/0012; A61K9/0034; C; C07; C07K; C07K7/00; C07K7/04; C07K7/23; A61K38/00; Y; Y10; Y10S; Y10S930/00; Y10S930/01; Y10S930/13

Claims Analysis

Total Claims: 13
Claim 1
Independent Claim 38 words
PREPARATION FOR RECTAL OR VAGINL ADMINISTRATION ESSENTIALLY COMPRISING A NONA- OR DECA-PEPTIDE, HAVING LUTEINIZING HORMONE-RELEASING ACTIVITY, OF THE FORMULA: (PYR)GLU-HIS-TRPSER-A1-GLY-A2-ARG-PRO-Y WHEREIN A1 IS TYR OR PHE, A2 IS LEU, NIO, LLE OR MET, AND Y IS -NHC2H5, -NH-C2H4OH,
Claim 2
Dependent Claim 38 words
PREPARATION FOR RECTAL OR VAGINL ADMINISTRATION ESSENTIALLY COMPRISING A NONA- OR DECA-PEPTIDE, HAVING LUTEINIZING HORMONE-RELEASING ACTIVITY, OF THE FORMULA: (PYR)GLU-HIS-TRPSER-A1-GLY-A2-ARG-PRO-Y WHEREIN A1 IS TYR OR PHE, A2 IS LEU, NIO, LLE OR MET, AND Y IS -NHC2H5, -NH-C2H4OH,
Claim 3
Dependent Claim 25 words
The preparation as claimed in claim 1, wherein the oleaginous base is triglyceride of a higher saturated fatty acid of 6 to 30 carbon atoms.
Claim 4
Dependent Claim 23 words
The preparation as claimed in claim 2, wherein the higher saturated fatty acid is palmitic acid, lauric acid, stearic acid or myristic acid.
Claim 5
Dependent Claim 24 words
The preparation as claimed in claim 1, wherein the oleaginous base is triglyceride of saturated vegetable fatty acid containing a minor amount of monoglyceride.
Claim 6
Dependent Claim 25 words
The preparation as claimed in claim 1, wherein an amount of the oleaginous base is about 100 to 200,000 times by weight of the peptide.
Claim 7
Dependent Claim 25 words
The preparation as claimed in claim 1, wherein an amount of the oleaginous base is about 2,000 to 80,000 times by weight of the peptide.
Claim 8
Dependent Claim 14 words
The preparation as claimed in claim 1, wherein the peptide is luteinizing hormone-releasing hormone.
Claim 9
Dependent Claim 15 words
The preparation as claimed in claim 1, wherein the non-ionic surfactant is polyoxyethylene lauryl ether.
Claim 10
Dependent Claim 26 words
The preparation as claimed in claim 1, wherein an amount of the non-ionic surfactant is at least about one hundredth by weight of the oleaginous base.
Claim 11
Dependent Claim 27 words
The preparation as claimed in claim 9, wherein an amount of the non-ionic surfactant is not more than about one tenth by weight of the oleaginous base.
Claim 12
Dependent Claim 20 words
The preparation as claimed in claim 1, wherein the non-ionic surfactant has an HLB value of about 7 to 18.
Claim 13
Dependent Claim 20 words
The preparation as claimed in claim 1; wherein the non-ionic surfactant has an HLB value of about 9 to 14.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-11-03 1979-05-05 1979-11-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-11-03 1983-05-05 1983-11-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-11-03 1987-05-05 1987-11-04 $7700.00 Window Closed / Lapsed

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