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NCT04119557
A Study of LY3471851 in Participants With Psoriasis
Phase 1 trial testing Placebo in Psoriasis in 30 participants. Completed in 21 July 2021.
21 July 2021
Quick facts
| Lead sponsor | Nektar Therapeutics |
|---|---|
| Phase | Phase 1 |
| Status | Completed |
| Study type | INTERVENTIONAL |
| Allocation | randomized |
| Design | parallel |
| Masking | double |
| Primary purpose | basic science |
| Enrollment | 30 |
| Start date | 26 November 2019 |
| Primary completion | 21 July 2021 |
| Estimated completion | 21 July 2021 |
| Sites | 24 locations across United States |
Drugs / interventions tested
- Placebo
- LY3471851 — full drug profile →
Conditions studied
- Psoriasis — all drugs for Psoriasis →
Sponsor
Nektar Therapeutics — full company profile →
Who can join
Adults 18 to 70, any sex, with Psoriasis. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
The main purpose of this study is to learn more about the safety of LY3471851 when given by injection just under the skin to participants with psoriasis. The study will last up to 48 weeks and may include up to 23 visits to the study center.
Publications & conference data
8 peer-reviewed publications reference this trial (live from Europe PMC):
-
A systematic review of interleukin-2-based immunotherapies in clinical trials for cancer and autoimmune diseases.
Raeber ME, Sahin D, Karakus U, Boyman O. · · 2023 · cited 139× · PMID 37004361 · DOI 10.1016/j.ebiom.2023.104539 -
IL-2-based approaches to Treg enhancement.
Harris F, Berdugo YA, Tree T. · · 2023 · cited 81× · PMID 36399073 · DOI 10.1093/cei/uxac105 -
Emerging Therapeutics for Immune Tolerance: Tolerogenic Vaccines, T cell Therapy, and IL-2 Therapy.
Moorman CD, Sohn SJ, Phee H. · · 2021 · cited 77× · PMID 33854514 · DOI 10.3389/fimmu.2021.657768 -
"IL-2 immunotherapy for targeting regulatory T cells in autoimmunity".
Lykhopiy V, Malviya V, Humblet-Baron S, Schlenner SM. · · 2023 · cited 61× · PMID 37741949 · DOI 10.1038/s41435-023-00221-y -
NKTR-358: A novel regulatory T-cell stimulator that selectively stimulates expansion and suppressive function of regulatory T cells for the treatment of autoimmune and inflammatory diseases.
Dixit N, Fanton C, Langowski JL, Kirksey Y, et al · · 2021 · cited 45× · PMID 34041473 · DOI 10.1016/j.jtauto.2021.100103 -
Therapeutic Development Based on the Immunopathogenic Mechanisms of Psoriasis.
Tseng JC, Chang YC, Huang CM, Hsu LC, et al · · 2021 · cited 27× · PMID 34371756 · DOI 10.3390/pharmaceutics13071064 -
The regulatory T cell-selective interleukin-2 receptor agonist rezpegaldesleukin in the treatment of inflammatory skin diseases: two randomized, double-blind, placebo-controlled phase 1b trials.
Silverberg JI, Rosmarin D, Chovatiya R, Bieber T, et al · · 2024 · cited 19× · PMID 39455575 · DOI 10.1038/s41467-024-53384-1 -
Tissue-specific roles of regulatory T cells: mechanisms of suppression and beyond along with emerging therapeutic insights in autoimmune indications.
Jugder BE, Park E, Du L, Jawale C, et al · · 2025 · cited 3× · PMID 40933988 · DOI 10.3389/fimmu.2025.1650451
Verify or expand the search:
- PubMed search for NCT04119557
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
Related trials
Other trials of LY3471851
Trials testing the same drug.
- NCT05565729 — A Phase I Study of LY3471851 in Healthy Participants · Phase 1 · completed
- NCT04998487 — A Single-Dose Study of LY3471851 in Healthy Participants · Phase 1 · completed
- NCT04677179 — A Study of LY3471851 in Adult Participants With Moderately to Severely Active Ulcerative Colitis (UC) · Phase 2 · terminated
- NCT04433585 — A Study of LY3471851 in Adults With Systemic Lupus Erythematosus (SLE) · Phase 2 · completed
- NCT04081350 — A Study of LY3471851 in Participants With Eczema · Phase 1 · completed
Other recruiting trials for Psoriasis
Currently open trials in the same condition.
- NCT07471048 — A Study to Evaluate the Impact of a Magnolia Officinalis Dietary Supplement on Immune Biomarkers in Subjects With Psoria · NA · recruiting
- NCT07449234 — A Study of Guselkumab After Switching From Ustekinumab in Participants With Moderate to Severe Psoriasis · recruiting
- NCT07234838 — Effect of Anti-Psoriatic Biologics on Risk of Anogenital Warts (CONDYPSO) · recruiting
- NCT07194200 — Safety and Efficacy of Lactobacillus Plantarum for Psoriasis: A Randomized Double-Blind Placebo-Controlled Trial · Phase 2 · recruiting
- NCT07250997 — PALLAS Laser for Skin Diseases · NA · recruiting
Other Nektar Therapeutics trials
Trials by the same sponsor.
- NCT06136741 — A Phase 2b Study to Evaluate Rezpegaldesleukin (Rezpeg) in the Treatment of Adult Patients With Moderate-to-Severe Atopi · Phase 2 · active not recruiting
- NCT05664217 — NKTR-255 vs Placebo Following CD19-directed CAR-T Therapy in Patients With Relapsed/Refractory Large B-cell Lymphoma · Phase 2, PHASE3 · terminated
- NCT05565729 — A Phase I Study of LY3471851 in Healthy Participants · Phase 1 · completed
- NCT04969861 — BEMPEG With Pembrolizumab vs Pembrolizumab Alone in Patients With Metastatic or Recurrent HNSCC (PROPEL-36) · Phase 2, PHASE3 · terminated
- NCT04998487 — A Single-Dose Study of LY3471851 in Healthy Participants · 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 NCT04119557 (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 Nektar Therapeutics
- Last refreshed: 20 February 2024
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/NCT04119557.
Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing