NDA 50355, held by Parke Davis. Colistin Sulfate.
As of Nov 13, 2026, NDA 50355 (Coly-Mycin S), held by Parke Davis, was not approved, with 0 approved supplements and 0 published complete response letters.
| Product | Active ingredient | Marketing |
|---|---|---|
| Coly-Mycin SEQ 25MG BASE/5ML ยท suspension;oral | Colistin Sulfate | Discontinued |
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
