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US4778794A Expired / Lapsed US ⏱️ 0.0 years remaining

Pharmaceutical composition for the treatment of infantile autism

Assignee: Asubio Pharma Co Ltd
•
Filing: 1986-06-04
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Granted: 1988-10-18
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Expires: 2006-06-04
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Abstract

Abstract A pharmaceutical composition for the treatment of infantile autism which contains tetrahydrobiopterin or a derivative thereof as a major effective ingredient and 5-hydroxytryptophan and/or L-DOPA as an optional auxiliary effective ingredient is provided.

Inventors

  • 👤 Hiroshi Naruse
  • 👤 Masashi Takesada
  • 👤 Osamu Hayaishi
  • 👤 Yasuyoshi Watanabe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 22:41
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/495; A61K31/505; A61P; A61P25/00; A61P25/18; A61P43/00

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 63 words
A method for ameliorating disorder of infantile autism, wherein an autistic child receives a pharmaceutical composition comprising a compound of the formula: ##STR4## (wherein R is ##STR5## or a salt thereof as an effective ingredient, at a dose wherein the amount of the effective ingredient received is in the range of 0.1 to 50 mg/kg body weight/day together with a pharmaceutically acceptable carrier.
Claim 2
Independent Claim 63 words
A method for ameliorating disorder of infantile autism, wherein an autistic child receives a pharmaceutical composition comprising a compound of the formula: ##STR4## (wherein R is ##STR5## or a salt thereof as an effective ingredient, at a dose wherein the amount of the effective ingredient received is in the range of 0.1 to 50 mg/kg body weight/day together with a pharmaceutically acceptable carrier.
Claim 3
Dependent Claim 28 words
A method according to claim 1, wherein the pharmaceutical composition further contains an anti-oxydizing agent selected from the group comprising ascorbic acid, N-acetylcysteine, L-cysteine, dl-α-tocopherol and natural tocopherol.
Claim 4
Dependent Claim 25 words
A method according to claim 1, wherein the amount of the effective ingredient received is in the range of 0.5 to 10 mg/kg body weight/day.
Claim 5
Dependent Claim 10 words
A method according to claim 1, wherein R is ##STR6##
Claim 6
Dependent Claim 12 words
A method according to claim 1, wherein the effective ingredient is L-erythro-5,6,7,8-tetrahydrobiopterin.

References Cited (Backward Citations)

US4665182A Cited
US4701455A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1991-10-18 1992-04-18 1992-10-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1995-10-18 1996-04-18 1996-10-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1999-10-18 2000-04-18 2000-10-18 $7700.00 Window Closed / Lapsed

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