← Back to Patent Explorer
US4131675A Expired / Lapsed US ⏱️ 0.0 years remaining

Use of combinations of L-DOPA with trazodone and L-DOPA with etoperidone in Parkinsonism

Assignee: Angelini Acraf SpA
•
Filing: 1978-02-09
•
Granted: 1978-12-26
•
Expires: 1998-02-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A combination of trazodone or etoperidone with L-DOPA is used in the treatment of Parkinsonism by oral administration to a patient.

Inventors

  • 👤 Bruno Silvestrini

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 21:37
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/495; A61K31/496

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 64 words
A method of treatment of Parkinsonism comprising administering to a patient a combination of trazodone with L-DOPA or etoperidone with L-DOPA at a daily oral dose of 100 to 200 mg of trazodone or etoperidone and a daily dose of 2 to 4 g of L-DOPA substantially in a ratio of 1 part of trazodone or etoperidone for 12 to 25 parts of L-DOPA.
Claim 2
Independent Claim 64 words
A method of treatment of Parkinsonism comprising administering to a patient a combination of trazodone with L-DOPA or etoperidone with L-DOPA at a daily oral dose of 100 to 200 mg of trazodone or etoperidone and a daily dose of 2 to 4 g of L-DOPA substantially in a ratio of 1 part of trazodone or etoperidone for 12 to 25 parts of L-DOPA.
Claim 3
Dependent Claim 36 words
A method of treatment according to claim 1, wherein said treatment is carried out at a ratio of about 12 parts to about 25 parts of L-DOPA for every part of trazodone or etoperidone being administered.
Claim 4
Dependent Claim 41 words
A method of treatment according to claim 1, wherein said L-DOPA is administered separately from said trazodone or from said etoperidone for said combination treatment or wherein said L-DOPA is administered together with said trazodone or etoperidone for said combination treatment.
Claim 5
Dependent Claim 17 words
A treatment according to claim 3, wherein the combined drugs are substantially in the ratio of 1:20.

References Cited (Backward Citations)

US3991207A Cited
US3988461A Cited
US3984545A Cited
US4021555A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-12-25 1982-06-26 1982-12-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-12-25 1986-06-26 1986-12-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-12-25 1990-06-26 1990-12-26 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag