MQX-503
As of the edition of 20 October 2026, MQX-503 is a drug known only by a code name: went quiet in 2006; acts on GUCY1A1, GUCY1A2 and GUCY1B1.
Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.
The drug
- Status
- Went quiet, 2006
- Kind
- Code name only
- Registered trials
- 1, 0 stopped early
- Disease areas
- Heart and blood vessels; Skin and connective tissue
US protection
No US approval on record.
With no US approval on record there are no listed US patents or exclusivities.
This is the US only.
Companies that need a new molecule because of this drug
3 company-target rows on route A because of this drug.
Companies on route A for this drug
In the product3 company-target rows are on route A because of MQX-503.
See the 3 company-target rows on route A for this drug, with the facts behind eachRequest access. Nothing is shown until you do.
Targets
Registered trials
| Phase | Trials | Completed | Active | Stopped early |
|---|---|---|---|---|
| Phase 2 | 1 | 1 | 0 | 0 |
| All trials | 1 |
Who ran its trials
| Company | Role | Years |
|---|---|---|
| MediQuest Therapeutics | Lead sponsor of trials | 2006 to now |