Patent · US Active

Pharmaceutical dosage form

US9439863B2 · kind B2 · utility

0Cited by

1References

14Claims

0Family size

Assignee

UNIVERSITY OF THE WITWATERSRAND, JOHANNESBURG · ZA

Inventors

Viness Pillay · Sandton, ZA
Yahya Essop Choonara · Lenasia, ZA
Felix Mashingaidse · Johannesburg, ZA
Pradeep Kumar · Johannesburg, ZA

Key dates

Filing date	Feb 8, 2013
Grant date	Sep 13, 2016
Priority date	—
Expiry date	Feb 8, 2033

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K31/7072
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

This invention relates to pharmaceutical dosage forms, particularly to pH dependent pharmaceutical dosage forms with enhanced and/or prolonged distribution of a pharmaceutical compound at a target site. More specifically, this invention relates to a controlled release intravaginal pharmaceutical dosage form and, more particularly, to a pharmaceutical dosage form which comprises microspheres encapsulated and/or embedded within a bioerodible polymeric matrix, together the microspheres and the matrix are formed into a caplet and/or tablet.

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