Patent · US Active

Polygala extract for the treatment of major depressive disorder

US11554154B2 · kind B2 · utility

0Cited by
3References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 22, 2020
Grant dateJan 17, 2023
Priority date
Expiry dateJul 22, 2040

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2236/333
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

This invention relates to a method of treating Major depressive disorder by orally administering to a subject a composition containing a Radix Polygalae (Polygala tenuifolia Willd) extract (PDC-1421). A solid dosage form of PDC-1421 can be prepared into the gelatin capsule. The oral administration of PDC-1421 in healthy volunteers was safe and well-tolerated for the daily dose from 380 mg to 3800 mg. The composition can be administered chronically over at least 25 days; the daily dose is administered once per day, twice per day, or three times per day, wherein each dose is 380-760 mg of the botanical extraction.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.