Clinical trial • Phase II • Dermatology

TULISOKIBART for Hidradenitis suppurativa

Phase II trial of TULISOKIBART for Hidradenitis suppurativa.

Overview

Trial Therapeutic Area
Dermatology
Trial Disease
Hidradenitis suppurativa
Trial Stage
Phase II
Drug Modality
Monoclonal antibody

Key dates

Initial CTIS Submission Date
08-04-2025
First CTIS Authorization Date
04-08-2025

Trial design

Randomised, tulisokibart (mk-7240) administered via subcutaneous solution for injection in pre-filled injector; placebo for mk-7240 (placebo comparator). dose and schedule not specified in ctis record.-controlled Phase II trial across 13 sites in Italy, France, Germany and others.

Randomised
Yes
Comparator
tulisokibart (MK-7240) administered via subcutaneous solution for injection in pre-filled injector; Placebo for MK-7240 (placebo comparator). Dose and schedule not specified in CTIS record.
Target Sample Size
162

Eligibility

Recruits 162 isVulnerablePopulationSelected: false. Informed consent will be obtained using the provided L1_ICF Main consent documents (country-specific versions listed in the dossier). No vulnerable population (e.g., children) is indicated in the CTIS record..

Vulnerable Population
isVulnerablePopulationSelected: false. Informed consent will be obtained using the provided L1_ICF Main consent documents (country-specific versions listed in the dossier). No vulnerable population (e.g., children) is indicated in the CTIS record.

Inclusion criteria

  • {"criterion_text":"- Has signs and symptoms of hidradenitis suppurativa (HS) for ≥ 6 months prior to Screening and a clinical diagnosis of HS at Screening"}
  • {"criterion_text":"- Has moderate or severe HS defined as a total combined number of ≥ 5 abscesses and/or inflammatory nodules, with HS lesions present in ≥ 2 distinct anatomical areas and ≥ 1 anatomic area of HS involvement characterized as Hurley Stage II or III"}
  • {"criterion_text":"- Has a history of inadequate response to a course of systemic antibiotics for treatment of HS or intolerance to systemic antibiotics for treatment of HS"}
  • {"criterion_text":"- Has ≤20 draining tunnel count at Screening and Randomization"}

Exclusion criteria

  • {"criterion_text":"- Has other active skin conditions that may, in the judgment of the investigator, interfere with the assessment of HS"}
  • {"criterion_text":"- Has any immune-mediated inflammatory condition that is not well controlled and which may potentially require biologic therapy"}
  • {"criterion_text":"- Has a transplanted organ and requires continued systemic immunosuppression"}
  • {"criterion_text":"- Has a history of cancer (except fully treated nonmelanoma skin cancers or cervical carcinoma in situ after complete surgical removal) and is disease free for <5 years"}
  • {"criterion_text":"- Has had a diagnostic evaluation suggestive of malignancy (eg, chest or breast imaging) and the possibility of malignancy cannot be reasonably excluded following additional clinical assessments"}
  • {"criterion_text":"- Has a known infection with hepatitis B virus (HBV), hepatitis C virus (HCV), or human immunodeficiency virus (HIV)"}
  • {"criterion_text":"- Has any active infection"}
  • {"criterion_text":"- Has active tuberculosis"}
  • {"criterion_text":"- Has had major surgery within the past 3 months or has a major surgery planned during the study"}
  • {"criterion_text":"- Has a history of clinically significant drug or alcohol abuse within the past 6 months"}
  • {"criterion_text":"- Has prior exposure to tulisokibart"}
  • {"criterion_text":"- Has undergone laser therapy or surgical procedures for their lesions within the past 6 weeks or is planning to have laser therapy or surgical procedures for lesions during participation in the study"}
  • {"criterion_text":"- Has known allergies, hypersensitivity, or intolerance to tulisokibart or its excipients"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Percentage of Participants Achieving Hidradenitis Suppurativa Clinical Response (HiSCR)50 at Week 16","definition_or_measurement_approach":"Assessed as the proportion of participants achieving Hidradenitis Suppurativa Clinical Response (HiSCR)50 at Week 16"}

Secondary endpoints

  • {"endpoint_text":"- Percentage of Participants Achieving HiSCR75 at Week 16","definition_or_measurement_approach":"Assessed as the proportion of participants achieving HiSCR75 at Week 16"}
  • {"endpoint_text":"- Mean Change from Baseline in Dermatology Life Quality Index (DLQI) at Week 16","definition_or_measurement_approach":"Mean change from baseline in DLQI score at Week 16"}
  • {"endpoint_text":"- Percentage of Participants Who Experience One or More Adverse Events (AEs)","definition_or_measurement_approach":"Proportion of participants reporting one or more adverse events during the study"}
  • {"endpoint_text":"- Percentage of Participants Who Discontinue Study Intervention Due to an AE","definition_or_measurement_approach":"Proportion of participants who discontinue study intervention because of an adverse event"}

Recruitment

Planned Sample Size
162
Recruitment Window Months
31
Consent Approach
Informed consent obtained using country-specific L1_ICF Main consent documents (multiple country versions listed: Italy, France, Germany, Spain, Netherlands). No assent or minor-consent documents are indicated in the CTIS record.

Methods

  • Country-specific recruitment arrangements documents (K1) are provided (Italy, France, Germany, Spain, Netherlands)
  • Patient-facing materials provided per country: posters, patient flyers, brochures (K2 documents listed for each country)
  • Local site recruitment via listed hospital/clinic sites (site contact details present in the record)

Geography

Total Number Of Sites
13
Total Number Of Participants
46

Italy

Earliest CTIS Part Ii Submission Date
30-06-2025
Latest Decision Or Authorization Date
16-02-2026
Processing Time Days
232
Number Of Sites
1
Number Of Participants
10

Sites

Site Name
Azienda Ospedaliero Universitaria Delle Marche
Department Name
SOD CLINICA DERMATOLOGICA
Principal Investigator Name
Elisa Molinelli
Principal Investigator Email
elisa.molinelli@ospedaliriuniti.marche.it
Contact Person Name
Elisa Molinelli

France

Earliest CTIS Part Ii Submission Date
12-06-2025
Latest Decision Or Authorization Date
16-02-2026
Processing Time Days
249
Number Of Sites
4
Number Of Participants
12

Sites

Site Name
Direction Centrale Du Service De Sante Des Armees
Department Name
Dermatology
Principal Investigator Name
Thierry Boye
Principal Investigator Email
thierry.boye@yahoo.fr
Contact Person Name
Thierry Boye
Contact Person Email
thierry.boye@yahoo.fr
Site Name
Hospital Edouard Herriot
Department Name
Dermatology
Principal Investigator Name
Axel Villani
Principal Investigator Email
axel.villani@chu-lyon.fr
Contact Person Name
Axel Villani
Contact Person Email
axel.villani@chu-lyon.fr
Site Name
Centre Hospitalier Universitaire De Bordeaux
Department Name
Dermatology
Principal Investigator Name
Olivier Cogrel
Principal Investigator Email
olivier.cogrel@chu-bordeaux.fr
Contact Person Name
Olivier Cogrel
Contact Person Email
olivier.cogrel@chu-bordeaux.fr
Site Name
Assistance Publique Hopitaux De Paris
Department Name
Dermatology
Principal Investigator Name
Bénédicte Oulès
Principal Investigator Email
benedicte.oules@aphp.fr
Contact Person Name
Bénédicte Oulès
Contact Person Email
benedicte.oules@aphp.fr

Germany

Earliest CTIS Part Ii Submission Date
03-07-2025
Latest Decision Or Authorization Date
20-02-2026
Processing Time Days
232
Number Of Sites
2
Number Of Participants
12

Sites

Site Name
Charite Universitaetsmedizin Berlin KöR
Department Name
Klinik für Dermatologie, Venerologie und Allergologie
Principal Investigator Name
Sonja Molin
Principal Investigator Email
georgios.kokolakis@charite.de
Contact Person Name
Sonja Molin
Contact Person Email
georgios.kokolakis@charite.de
Site Name
Universitaetsklinikum Frankfurt AöR
Department Name
Klinik für Dermatologie, Venerologie und Allergologie
Principal Investigator Name
Andreas Pinter
Principal Investigator Email
andreas.pinter@unimedizin-ffm.de
Contact Person Name
Andreas Pinter

Spain

Earliest CTIS Part Ii Submission Date
04-07-2025
Latest Decision Or Authorization Date
23-02-2026
Processing Time Days
234
Number Of Sites
4
Number Of Participants
8

Sites

Site Name
Hospital Universitario Virgen De Las Nieves
Department Name
Dermatologia
Principal Investigator Name
Alejandro Molina Leyva
Principal Investigator Email
alejandro.molina.sspa@juntadeandalucia.es
Contact Person Name
Alejandro Molina Leyva
Site Name
Hospital De Manises
Department Name
Dermatologia
Principal Investigator Name
Antonio Jaime Martorell Calatayud
Principal Investigator Email
martorell_antcal@gva.es
Contact Person Name
Antonio Jaime Martorell Calatayud
Contact Person Email
martorell_antcal@gva.es
Site Name
Hospital Universitari Vall D Hebron
Department Name
Dermatologia
Principal Investigator Name
Jordi Mollet Sánchez
Principal Investigator Email
jordi.mollet@vallhebron.cat
Contact Person Name
Jordi Mollet Sánchez
Contact Person Email
jordi.mollet@vallhebron.cat
Site Name
Bellvitge University Hospital
Department Name
Dermatologia
Principal Investigator Name
Montserrat Bonfill Ortí
Principal Investigator Email
bonfill@bellvitgehospital.cat
Contact Person Name
Montserrat Bonfill Ortí
Contact Person Email
bonfill@bellvitgehospital.cat

Netherlands

Earliest CTIS Part Ii Submission Date
25-07-2025
Latest Decision Or Authorization Date
16-02-2026
Processing Time Days
206
Number Of Sites
2
Number Of Participants
4

Sites

Site Name
Erasmus Universitair Medisch Centrum Rotterdam (Erasmus MC)
Department Name
Dermatology
Principal Investigator Name
Hessel Van der Zee
Principal Investigator Email
startup.dermaresearch@erasmusmc.nl
Contact Person Name
Hessel Van der Zee
Site Name
Amphia Hospital
Department Name
Dermatology
Principal Investigator Name
Bas Prens
Principal Investigator Email
researchdermatologie@amphia.nl
Contact Person Name
Bas Prens
Contact Person Email
researchdermatologie@amphia.nl

Sponsor

Primary sponsor

Full Name
Merck Sharp & Dohme LLC
Organisation Type
Pharmaceutical company
Country Of Registered Address
United States

Contract research organisations

Name
Parexel International Corp.
Responsibilities
EUB services (call center and medical services) (sponsorDuties code: 15)
Name
Syneos Health Clinique Inc.
Responsibilities
sponsorDuties code: 4
Name
Pharmaceutical Product Development LLC
Responsibilities
sponsorDuties code: 4
Name
QPS LLC
Responsibilities
sponsorDuties code: 4
Name
Medidata Solutions Inc.
Responsibilities
sponsorDuties code: 7

Third parties

  • {"country":"United States","full_name":"Medidata Solutions Inc.","duties_or_roles":"sponsorDuties codes: 7","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"Canada","full_name":"Syneos Health Clinique Inc.","duties_or_roles":"sponsorDuties codes: 4","organisation_type":"Hospital/Clinic/Other health care facility"}
  • {"country":"United States","full_name":"QPS LLC","duties_or_roles":"sponsorDuties codes: 4","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Labcorp Early Development Laboratories Inc.","duties_or_roles":"sponsorDuties codes: 4","organisation_type":"Pharmaceutical company"}
  • {"country":"Ireland","full_name":"Signant Health Global Solutions Limited","duties_or_roles":"sponsorDuties codes: 3","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Q2 Solutions LLC","duties_or_roles":"sponsorDuties codes: 4","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Bioagilytix Labs LLC","duties_or_roles":"sponsorDuties codes: 4","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Parexel International Corp.","duties_or_roles":"sponsorDuties codes: 15; value: EUB services (call center and medical services)","organisation_type":"Pharmaceutical company"}
  • {"country":"United Kingdom","full_name":"Iqvia Laboratories Limited","duties_or_roles":"sponsorDuties codes: 4","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United Kingdom (Northern Ireland)","full_name":"Almac Diagnostic Services Limited","duties_or_roles":"sponsorDuties codes: 4","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Pharmaceutical Product Development LLC","duties_or_roles":"sponsorDuties codes: 4","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Infinity Biologix LLC","duties_or_roles":"sponsorDuties codes: 4","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
tulisokibart
Active Substance
TULISOKIBART
Modality
Monoclonal antibody
Routes Of Administration
Subcutaneous use
Route
Subcutaneous
Authorisation Status
prodAuthStatus: 1
Investigational Product Name
Placebo for MK-7240
Modality
Other

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