New hope for painful skin condition: experimental drug shows promise
NCT ID NCT06118099
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a new drug called amlitelimab for adults with moderate to severe hidradenitis suppurativa, a painful skin condition that causes boils and tunnels. About 90 people received either the drug or a placebo for 16 weeks, with an optional long-term extension. The goal was to see if the drug reduces skin abscesses and inflammation better than placebo.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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90 people
The number who actually took part.
- Started
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Nov 2023
- Finished
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Oct 2025
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 70 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Participant must be 18 (or country's age of majority if \>18) years to 70 years of age inclusive, at the time of signing the informed consent. * Participants with a history of signs and symptoms consistent with HS for at least 1 year prior to baseline. * Participants must have HS lesions present in at least 2 distinct anatomic areas (eg, left, and right axilla; or left axilla and left inguino-crural fold), 1 of which must be Hurley Stage II or Hurley Stage III. * Participant must have had an inadequate response to at least a 12-week trial of an oral antibiotic for treatment of HS Exclusion Criteria: * Participants with a diagnosis of inflammatory conditions other than HS (including but not limited to systemic lupus erythematosus, systemic sclerosis, myositis, rheumatoid arthritis, inflammatory bowel disease, primary biliary cirrhosis, multiple sclerosis, Behcet's disease, sarcoidosis, etc) * Any other active skin disease or condition (eg, bacterial, fungal, or viral infection) that may interfere with assessment of HS The above information is not intended to contain all considerations relevant to a potential participation in a clinical trial
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Beth Israel Deaconess Medical Center Site Number : 8400006
Boston, Massachusetts, 02215, United States
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Center for Clinical Studies, LTD. LLP Site Number : 8400001
Houston, Texas, 77004, United States
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Center for Dermatology Clinical Research Site Number : 8400010
Fremont, California, 94538-1614, United States
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Centricity Research Site Number : 8400009
Dublin, Ohio, 43016, United States
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Clinical Partners, LLC Site Number : 8400003
Johnston, Rhode Island, 02919, United States
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Corazon USA, LLC (DBA Life Clinical Trials) Site Number : 8400011
Margate, Florida, 33063, United States
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Florida International Research Center Site Number : 8400016
Miami, Florida, 33173, United States
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Investigational Site Number : 0360001
Darlinghurst, New South Wales, 2010, Australia
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Investigational Site Number : 0360002
Melbourne, Victoria, 3004, Australia
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Investigational Site Number : 0360003
Phillip, Australian Capital Territory, 2606, Australia
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Investigational Site Number : 1240001
Québec, G1W 4R4, Canada
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Investigational Site Number : 1240002
Hamilton, Ontario, L8L 3C3, Canada
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Investigational Site Number : 1240007
Barrie, Ontario, L4M 7G1, Canada
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Investigational Site Number : 1520001
Santiago, Reg Metropolitana de Santiago, 7640881, Chile
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Investigational Site Number : 1520002
Santiago, Reg Metropolitana de Santiago, 8380465, Chile
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Investigational Site Number : 1520003
Santiago, Reg Metropolitana de Santiago, 7580206, Chile
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Investigational Site Number : 2500001
Reims, 51100, France
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Investigational Site Number : 2500002
Saint-Mandé, 94163, France
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Investigational Site Number : 2500003
Lyon, 69003, France
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Investigational Site Number : 2500004
Rouen, 76031, France
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Investigational Site Number : 2500005
La Rochelle, 17019, France
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Investigational Site Number : 2760001
Münster, 48149, Germany
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Investigational Site Number : 2760002
Bochum, 44791, Germany
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Investigational Site Number : 3480001
Debrecen, 4032, Hungary
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Investigational Site Number : 3480002
Szeged, 6720, Hungary
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Investigational Site Number : 3480004
Budapest, 1083, Hungary
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Investigational Site Number : 3800001
Catania, 95123, Italy
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Investigational Site Number : 3800002
Cona (Ferrara), 44124, Italy
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Investigational Site Number : 6160001
Warsaw, Masovian Voivodeship, 02-507, Poland
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Investigational Site Number : 6160003
Wroclaw, 50-566, Poland
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Investigational Site Number : 6160004
Warsaw, 02-962, Poland
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Investigational Site Number : 6200001
Lisbon, 1998-018, Portugal
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Investigational Site Number : 6200002
Lisbon, 1649-035, Portugal
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Investigational Site Number : 7240001
Barcelona, Barcelona [Barcelona], 08041, Spain
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Investigational Site Number : 7240002
Madrid, Madrid, Comunidad de, 28046, Spain
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Investigational Site Number : 7240003
Badalona, Catalunya [Cataluña], 08916, Spain
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Investigational Site Number : 7240006
Las Palmas de Gran Canaria, Las Palmas, 35010, Spain
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Medical Dermatology Specialists Site Number : 8400002
Phoenix, Arizona, 85006-2754, United States
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Stryde Research Epiphany Dermatology Site Number : 8400014
Southlake, Texas, 76092, United States
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University of South Florida Site Number : 8400012
Tampa, Florida, 33612, United States
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Vast Skin Specialists Site Number : 8400015
Addison, Texas, 75001, United States
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Washington University School of Medicine Site Number : 8400007
St Louis, Missouri, 63110, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can an injected drug calm the painful flares of hidradenitis suppurativa?
- Nanobody drug tested against painful skin condition
- Can a mediterranean diet tame hidradenitis suppurativa?
- Can we predict the path of chronic skin disease?
- Can a pill that degrades IRAK4 tame autoimmune inflammation?
- Could childhood trauma fuel skin inflammation?