FDA approval · Drugs@FDA
TRINALINazatadine maleate, pseudoephedrine sulfate
NDA018506 ·
FDA approved the original new drug application for TRINALIN on March 23, 1982, sponsored by SCHERING. FDA marks the application’s only product discontinued. FDA’s record shows no approved efficacy supplement on the application since.
- Application
- NDA018506
- Sponsor
- SCHERING
- Original approval
- Review
- standard review
- Submission class
- Type 4 - New Combination
- Active ingredient
- azatadine maleate, pseudoephedrine sulfate
Browse every approval whose brand starts with T, or the complete response letters FDA has published — the applications it did not approve.
Products under this application
| Ingredient and strength | Form | Route | Marketing status |
|---|---|---|---|
| azatadine maleate 1MG; pseudoephedrine sulfate 120MG | TABLET, EXTENDED RELEASE | ORAL | Discontinued |
What “discontinued” means in FDA’s record
Drugs@FDA marks a product discontinued when it was never marketed, when it has been taken off the market, when it is made only for export, when it is made for military use, or when its approval was withdrawn for a reason other than safety or effectiveness. The record does not say which of those applies to a given product. The word on its own is not evidence that FDA found the drug unsafe.
Source: FDA, Drugs@FDA glossary of terms, under “Discontinued Drug Product”.
Approved efficacy supplements
An efficacy supplement is how a sponsor asks FDA to approve a change that needs clinical evidence — most often a new indication. FDA’s record gives each one a submission number, a date and a review priority. It does not say what any supplement approved, so neither does this page. The approval letter and label for each are on accessdata.fda.gov under the application number.
FDA’s record shows no approved efficacy supplement on this application.
FDA records other approved supplements on this application, by the class code it assigns them: Manufacturing (CMC) 18 · Labeling 2. Those are changes to the label or to how the drug is made rather than new clinical evidence, so they are counted here and not listed.
Source: FDA’s Drugs@FDA application file, via openFDA (export 2026-09-03). Every field on this page comes from that record.
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