Corsym

NDA 18050, held by Ucb Inc. Chlorpheniramine Polistirex; Phenylpropanolamine Polistirex.

As of Nov 14, 2026, NDA 18050 (Corsym), held by Ucb Inc, was first approved by FDA on Jan 4, 1984, with 7 approved supplements and 0 published complete response letters.

First approved: Jan 4, 1984
Review: Standard
Supplements approved: 7
Complete response letters: 0

Approvals and New Uses

The original application and every efficacy supplement, newest first; all 8 submissions below

Date	Submission	Status	Documents
Jan 4, 1984	Original applicationNew formulation or manufacturer · Standard review	Approved	None posted

Products

1 strengths and forms

Product	Active ingredient	Marketing
CorsymEQ 4MG MALEATE/5ML;EQ 37.5MG HCL/5ML · suspension, extended release;oral	Chlorpheniramine Polistirex; Phenylpropanolamine Polistirex	Discontinued

All 8 submissions, including labeling and manufacturing supplements


Apr 15, 1988	Supplement 9Manufacturing · Standard review	Approved	None posted
May 8, 1987	Supplement 8Manufacturing · Standard review	Approved	None posted
Feb 19, 1987	Supplement 6Manufacturing · Standard review	Approved	None posted
Jul 28, 1986	Supplement 4Manufacturing · Standard review	Approved	None posted
Nov 22, 1985	Supplement 3Manufacturing · Standard review	Approved	None posted
Jul 24, 1985	Supplement 2Manufacturing · Standard review	Approved	None posted
Oct 16, 1984	Supplement 1Manufacturing · Standard review	Approved	None posted
Jan 4, 1984	Original applicationNew formulation or manufacturer · Standard review	Approved	None posted

Identifiers

Application: NDA 18050
Drugs@FDA: Overview at FDA
Company: UCB

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