Drugs / Amlitelimab
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Amlitelimab

also known as KY1005 · KY-1005-2D10 · SAR-445229

Monoclonal antibody targets TNFSF4 via inhibition

Developed for
atopic eczema · asthma · alopecia areata · celiac disease · hidradenitis · interstitial lung disease · scleroderma
Investigated by
Sanofi · Kymab Limited · Boehringer Ingelheim · Scleroderma Research Foundation, Inc.

Trials 20

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 14 trials
Phase 1 NCT06686628 Nov 2024 → Nov 2025 atopic eczema Sanofi Completed No outcome recorded
Phase 1 NCT05796479 Apr 2022 → May 2023 — Sanofi Completed No outcome recorded
Phase 1 NCT04449939 Jul → Nov 2020 immune system disorder Kymab Limited Completed No outcome recorded
Phase 1 NCT03161288 May 2017 → Mar 2018 immune system disorder Kymab Limited Completed No outcome recorded
Phase 210 trials · 1 met primary
Phase 2 NCT06557772 Aug 2024 → Aug 2026 overdue celiac disease Sanofi Active not recruiting No outcome recorded
Phase 2 NCT06444451 Jun 2024 → Sep 2025 alopecia areata Sanofi Terminated No outcome recorded Stop: Business
Phase 2 NCT06195072 Apr 2024 → Nov 2026 expected interstitial lung disease, scleroderma Scleroderma Research Foundation, Inc. Recruiting No outcome recorded
Phase 2 NCT06118099 Nov 2023 → Feb 2025 hidradenitis Sanofi Terminated No outcome recorded Stop: Business
Phase 2 NCT06015308 Oct 2023 → Oct 2025 atopic eczema Sanofi Completed No outcome recorded
Phase 2 NCT06033833 Sep 2023 → Sep 2026 asthma Sanofi Terminated No outcome recorded Stop: Business
Phase 2 NCT05769777 Apr 2023 → Jun 2031 expected atopic eczema Sanofi Active not recruiting No outcome recorded
Phase 2 NCT05421598 Jun 2022 → Oct 2024 asthma Sanofi Completed No outcome recorded
Phase 2 NCT05131477 Dec 2021 → Apr 2023 atopic eczema Kymab Limited Completed Met primary
Phase 2 NCT03754309 Dec 2018 → May 2020 atopic eczema Kymab Limited Completed No outcome recorded
Phase 2/31 trial
Phase 2/3 NCT05492578 Aug 2022 → Jan 2029 expected atopic eczema Sanofi Enrolling by invitation No outcome recorded
Phase 35 trials · 3 met primary
Phase 3 NCT06407934 May 2024 → Jun 2026 overdue atopic eczema Sanofi Active not recruiting Met primary
Phase 3 NCT06241118 Feb 2024 → Sep 2027 expected atopic eczema Sanofi Recruiting No outcome recorded
Phase 3 NCT06224348 Jan 2024 → Aug 2025 atopic eczema Sanofi Completed Met primary
Phase 3 NCT06181435 Dec 2023 → Nov 2025 atopic eczema Sanofi Completed Mixed
Phase 3 NCT06130566 Nov 2023 → Jul 2025 atopic eczema Sanofi Completed Met primary

News releases announcing trial results or a regulatory action · 9

DateIssuerRelease
2026-03-28 Sanofi Results Press Release: AAD: new results from Sanofi's amlitelimab phase 3 studies in atopic dermatitis presented in late-breaking research session sanofi.com ↗
Positive results from three phase 3 studies of amlitelimab, a fully human non-T cell depleting monoclonal antibody that selectively targets OX40-ligand (OX40L), in moderate-to-severe atopic dermatitis (AD) as a monotherapy and in combination with topical therapies, showed improvements in skin clearance and disease severity with amlitelimab treatment compared to placebo in patients aged 12 years and older.
2026-01-23 Sanofi Results Press Release: Sanofi's amlitelimab confirms its potential in atopic dermatitis sanofi.com ↗
In the SHORE phase 3 study, amlitelimab in combination with topical therapies met all primary and key secondary endpoints at Week 24 with efficacy progressively increasing throughout the treatment period with some patients improving as early as Week 2
2025-09-04 Sanofi Results Press Release: Sanofi’s amlitelimab met all primary and key secondary endpoints in the COAST 1 phase 3 study in adults and adolescents with atopic dermatitis sanofi.com ↗
Amlitelimab, dosed every four weeks or every 12 weeks, demonstrated statistically significant and clinically meaningful efficacy in skin clearance and disease severity compared to placebo at Week 24, with efficacy progressively increasing throughout the treatment period
2025-04-15 Sanofi Results Press Release: Sanofi’s respiratory pipeline advances with new data in asthma and plans for new clinical studies in COPD sanofi.com ↗
Preliminary results from the TIDE-Asthma phase 2 study (clinical study identifier: NCT05421598) show that the primary endpoint of annualized exacerbation rate at week 48 was not met at the highest dose level, leading to nominal significance at the medium dose.
2025-02-28 Sanofi Results Media Update: AAD: new data advance Sanofi’s scientific leadership across innovative treatments for inflammatory skin diseases sanofi.com ↗
New amlitelimab phase 2 data show impact on symptoms for patients with moderate-to-severe AD
2024-03-11 Sanofi Results Press Release: New Phase 2b results for amlitelimab support potential for best-in-class maintenance of response in atopic dermatitis sanofi.com ↗
Positive results from Part 2 of the investigational amlitelimab Phase 2b study STREAM-AD showed sustained improvement of signs and symptoms for 28 weeks in adults with moderate to severe AD who previously responded to amlitelimab and continued treatment.
2023-10-13 Sanofi Results Press Release: Late-breaking amlitelimab Phase 2b data presented at EADV show potential best-in-class profile in atopic dermatitis sanofi.com ↗
Patients treated with amlitelimab experienced up to 61.5% improvement in average Eczema Area and Severity Index (EASI) score from baseline at week 16, the primary endpoint, with continued improvement seen through 24 weeks
2023-06-27 Sanofi Results Press Release: Positive topline Phase 2b data in atopic dermatitis support amlitelimab as a potential first and best-in-class novel investigational anti-OX40-ligand monoclonal antibody sanofi.com ↗
In this dose-ranging study, treatment with amlitelimab resulted in statistically significant improvements in average Eczema Area and Severity Index (EASI) score from baseline at 16 weeks compared to placebo for all four subcutaneous doses that were studied.
2021-09-30 Sanofi Results Press Release: New, late-breaking data at EADV highlights emerging clinical profile of amlitelimab (formerly KY1005) in adults with inadequately controlled moderate-to-severe atopic dermatitis sanofi.com ↗
Positive results from a Phase 2a study evaluating the safety and efficacy of amlitelimab, a human monoclonal antibody targeting key immune system regulator OX40-Ligand, were presented as a late-breaker today at the European Academy of Dermatology and Venerology (EADV) 2021 Virtual Congress.

All press releases naming this drug 11 releases

DateIssuerRelease

Evidence & citations 8 cited values

Every value below carries the sentence it was read from. 22 sources stand behind the page.

FieldValueCited text
Known as amlitelimab “The safety, tolerability, immunogenicity, and pharmacokinetic (PK) profile of an anti-OX40L monoclonal antibody (KY1005, currently amlitelimab) were evaluated.” PMID 35092305 ↗ Mar 2022
17

NCT06015308 ↗

NCT05131477 ↗

NCT06118099 ↗

NCT06407934 ↗

NCT06033833 ↗

NCT06195072 ↗

NCT06241118 ↗

NCT06557772 ↗

NCT06181435 ↗

NCT05769777 ↗

Show 7 more sources

Known as KY-1005-2D10 ChEMBL registry synonym — accepted as the source's own label CHEMBL4594569 ↗
Known as KY1005 ClinicalTrials.gov intervention name — accepted as the source's own label NCT03754309 ↗
2

NCT03161288 ↗

NCT04449939 ↗

Known as SAR-445229 ChEMBL registry synonym — accepted as the source's own label CHEMBL4594569 ↗
Action Inhibit “Tumor necrosis factor ligand superfamily member 4 inhibitor” CHEMBL4594569 ↗
Modality Monoclonal antibody “The safety, tolerability, immunogenicity, and pharmacokinetic (PK) profile of an anti-OX40L monoclonal antibody (KY1005, currently amlitelimab) were evaluated.” PMID 35092305 ↗ Mar 2022
Route Subcutaneous “Single lower dose KY1005 by s.c. injection” NCT04449939 ↗
Target TNFSF4 “Tumor necrosis factor ligand superfamily member 4 inhibitor” CHEMBL4594569 ↗