Last reviewed · How we verify
NCT05739435
Open-Label Extension Study to Evaluate the Long Term Safety and Efficacy of ESK-001 in Plaque Psoriasis
Phase 2 trial testing envudeucitinib in Plaque Psoriasis in 165 participants. Participants enrolled and being followed up; not accepting new ones.
1 December 2026
Quick facts
| Lead sponsor | Alumis Inc |
|---|---|
| Phase | Phase 2 |
| Status | Active, enrolled |
| Study type | INTERVENTIONAL |
| Allocation | randomized |
| Design | parallel |
| Masking | none |
| Primary purpose | treatment |
| Enrollment | 165 |
| Start date | 17 January 2023 |
| Primary completion | 1 December 2026 |
| Estimated completion | 30 December 2026 |
| Sites | 38 locations across Canada, United States |
Drugs / interventions tested
- envudeucitinib — full drug profile →
Conditions studied
- Plaque Psoriasis — all drugs for Plaque Psoriasis →
Sponsor
Alumis Inc — full company profile →
Who can join
18 and older, any sex, with Plaque Psoriasis. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
This is a multi-center, open-label extension (OLE) study in patients with plaque psoriasis who have completed their participation in a previous plaque psoriasis study of ESK-001.
Publications & conference data
3 peer-reviewed publications reference this trial (live from Europe PMC):
-
Allosteric TYK2 inhibition: redefining autoimmune disease therapy beyond JAK1-3 inhibitors.
Jensen LT, Attfield KE, Feldmann M, Fugger L. · · 2023 · cited 45× · PMID 37863021 · DOI 10.1016/j.ebiom.2023.104840 -
Emerging Oral Therapies for the Treatment of Psoriasis: A Review of Pipeline Agents.
Drakos A, Torres T, Vender R. · · 2024 · cited 21× · PMID 38258121 · DOI 10.3390/pharmaceutics16010111 -
Safety and efficacy of envudeucitinib, a highly selective, oral allosteric TYK2 inhibitor, in patients with moderate-to-severe plaque psoriasis: Results from the 52-week open-label extension period of the phase 2 STRIDE study.
Papp KA, Jacobs S, Sofen H, Bukhalo M, et al · · 2026 · cited 1× · PMID 41061968 · DOI 10.1016/j.jaad.2025.10.005
Verify or expand the search:
- PubMed search for NCT05739435
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
Related trials
Other recruiting trials for Plaque Psoriasis
Currently open trials in the same condition.
- NCT07357831 — A Phase III Trial To Evaluate The Efficacy And Safety Of MC2-01 Cream Compared To CAL/BDP Gel and Vehicle In Plaque Psor · Phase 3 · recruiting
- NCT07250802 — A Long-Term Study of Zasocitinib in Children and Teenagers With Plaque Psoriasis · Phase 3 · recruiting
- NCT06979453 — A Study to Evaluate the Efficacy, Safety, and Drug Levels of Deucravacitinib (BMS-986165) in Adolescent Participants Wit · Phase 3 · recruiting
- NCT07234591 — A Study to Evaluate Effectiveness and Safety of a TYK2 Inhibitor in Subjects With Moderate to Severe Plaque Psoriasis · NA · recruiting
- NCT07116967 — Long-Term Safety Study of Deucravacitinib Versus Ustekinumab in Participants With Psoriasis (PRAGMATYK) · Phase 3 · recruiting
Other Alumis Inc trials
Trials by the same sponsor.
- NCT06962774 — An Investigational Study of ESK-001 in Participants With Normal Renal Function and Participants With Mild, Moderate, and · Phase 1 · completed
- NCT06588738 — A Study in Patients With Moderate to Severe Plaque Psoriasis to Evaluate the Efficacy and Safety of ESK-001 · Phase 3 · completed
- NCT06586112 — A Study to Evaluate the Efficacy and Safety of ESK-001 in Patients With Moderate to Severe Plaque Psoriasis · Phase 3 · completed
- NCT07378579 — An Investigational Study to Evaluate the Cardiac Safety Assessment (TQTc Study) of ESK-001 · Phase 1 · completed
- NCT07442149 — An Investigational Study to Evaluate the Safety and Tolerability of Single and Multiple Ascending Doses of A-005 · Phase 1 · completed
Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT05739435 (US National Library of Medicine, public domain)
- Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Alumis Inc
- Last refreshed: 1 April 2026
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT05739435.
Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing