Patent · US Expired

Lyophilized cyclophosphamide

US4537883A · kind A · utility

41Cited by
2References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 13, 1984
Grant dateAug 27, 1985
Priority date
Expiry dateMar 13, 2004

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K31/675
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A lyophilized pharmaceutical solid composition containing cyclophosphamide for reconstitution with water to provide a solution for oral or parenteral administration. This lyophilized cyclophosphamide solid composition demonstrates improved stability, solubility characteristics and enhanced appearance compared with currently available dry powder pre-mix compositions of cyclophosphamide. The lyophilized solid composition contains about 20 parts by weight of cyclophosphamide, about 11/4-2 parts by weight of water and from about 10-85 parts by weight of excipient which is comprised mainly of mannitol. Processes for making the composition are disclosed.

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