NDA 20638, held by Gilead Sciences Inc. Cidofovir.
As of Nov 15, 2026, NDA 20638 (Vistide), held by Gilead Sciences Inc, was first approved by FDA on Jun 26, 1996, with 4 approved supplements and 0 published complete response letters.
| Mar 9, 1999 | Supplement 3Efficacy (new indication or use) · Standard review | Approved | |
| Jun 26, 1996 | Original applicationNew molecular entity · Standard review | Approved |
| Product | Active ingredient | Marketing |
|---|---|---|
| VistideEQ 375MG BASE/5ML (EQ 75MG BASE/ML) **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** · solution;intravenous | Cidofovir | DiscontinuedReference drug |
| Nov 13, 2013 | Supplement 11Manufacturing · Standard review | Approved | None posted |
| Jun 26, 2001 | Supplement 4Manufacturing · Standard review | Approved | None posted |
| Mar 9, 1999 | Supplement 3Efficacy (new indication or use) · Standard review | Approved | |
| Nov 14, 1996 | Supplement 2Labeling · Standard review | Approved | None posted |
| Jun 26, 1996 | Original applicationNew molecular entity · Standard review | Approved |
Approvals, supplements, products and documents come from FDA's Drugs@FDA data files, refreshed daily; Drugs@FDA lists approved applications only. Complete response letters are FDA's published letters. Drugs@FDA and FDA complete response letters