Clinical trial • Phase III • Dermatology

SONELOKIMAB for Hidradenitis suppurativa

Phase III trial of SONELOKIMAB for Hidradenitis suppurativa. open-label. 317 participants.

Overview

Trial Therapeutic Area
Dermatology
Trial Disease
Hidradenitis suppurativa
Trial Stage
Phase III
Drug Modality
Other antibody

Key dates

Initial CTIS Submission Date
09-05-2025
First CTIS Authorization Date
29-08-2025

Trial design

open-label Phase III trial in Bulgaria, Czechia, France and others.

Open Label
Yes
Target Sample Size
317

Eligibility

Recruits 317 Participants must be able to understand and provide signed informed consent, or assent with parental/legal guardian consent, as applicable, per local regulations and guidelines..

Pregnancy Exclusion
3. Female participants are eligible to participate if they are not pregnant or breastfeeding and must be of nonchildbearing potential or (if women of childbearing potential [WOCBP]) must agree to use highly effective methods of contraception during the study and for at least 8 weeks after the last dose of study treatment. WOCBP must have a negative urine pregnancy test in the week prior to the first administration of study treatment in this study (Week 0). Female participant of childbearing potential must refrain from donating oocytes during the study and for at least 8 weeks after the last dose of study treatment (See Protocol Appendix 1 for the definitions of nonchildbearing potential, childbearing potential, and highly effective methods of contraception).
Vulnerable Population
Participants must be able to understand and provide signed informed consent, or assent with parental/legal guardian consent, as applicable, per local regulations and guidelines.

Inclusion criteria

  • {"criterion_text":"- 1. Participants who have received the second to last and/or last dose, as planned in the parental study, and have completed the EOT visit (Week 52 [M1095-HS-301/302] or Week 24 [M1095-HS-304])."}
  • {"criterion_text":"- 2. Participants must have received their last dose of study treatment in the parental study no more than 8 weeks before the first dose in this OLE study."}
  • {"criterion_text":"- 3. Female participants are eligible to participate if they are not pregnant or breastfeeding and must be of nonchildbearing potential or (if women of childbearing potential [WOCBP]) must agree to use highly effective methods of contraception during the study and for at least 8 weeks after the last dose of study treatment. WOCBP must have a negative urine pregnancy test in the week prior to the first administration of study treatment in this study (Week 0). Female participant of childbearing potential must refrain from donating oocytes during the study and for at least 8 weeks after the last dose of study treatment (See Protocol Appendix 1 for the definitions of nonchildbearing potential, childbearing potential, and highly effective methods of contraception)."}
  • {"criterion_text":"- 4. Male participants must be willing to use a condom when sexually active with a partner of childbearing potential during the study and for at least 8 weeks after the last dose of study treatment, unless surgically sterile. Male participants must also agree to refrain from donating sperm during the study and for at least 8 weeks after the last dose of study treatment."}
  • {"criterion_text":"- 5. Participants are considered reliable and capable of adhering to the protocol, visit schedule, and medication intake, according to the judgment of the investigator."}
  • {"criterion_text":"- 6. Participants are able to understand and provide signed informed consent, or assent with parental/legal guardian consent, as applicable, per local regulations and guidelines."}

Exclusion criteria

  • {"criterion_text":"- 1.\tParticipants who meet any of the discontinuation criteria of the parental study at the time of enrollment in this OLE study, as below:"}
  • {"criterion_text":"- 2. Participants who have ongoing or planned to use one or more of the prohibited HS or non-HS treatments specified in this protocol (Section 6.9.2)."}
  • {"criterion_text":"- 3. Participants who plan to participate in another interventional study for a drug or device during this study"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- 1. Treatment-emergent adverse event (TEAEs)","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 2. Serious adverse event (SAEs)","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 3. TEAEs leading to study withdrawal","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 4. Adverse event of special interest (AESIs)","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 5. Vital signs, and ECG results","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 6. Abnormal laboratory parameters (hematology, clinical chemistry)","definition_or_measurement_approach":""}

Recruitment

Planned Sample Size
317
Recruitment Window Months
32
Consent Approach
Signed informed consent to be provided by participants; assent with parental/legal guardian consent where applicable (per local regulations). Subject information and ICF documents available in multiple languages (examples present in the submission: English, Bulgarian, French, Hungarian, Spanish, Portuguese, Dutch, Italian, Czech, German, Polish, Slovak, Norwegian).

Geography

Total Number Of Participants
317

Bulgaria

Earliest CTIS Part Ii Submission Date
12-08-2025
Latest Decision Or Authorization Date
01-09-2025
Processing Time Days
20
Number Of Participants
48

Sites

Site Name
Umbal - Prof. D-R Stoyan Kirkovich AD
Department Name
Clinic of skin and venereal diseases
Principal Investigator Name
Evgeniya Hristakieva
Principal Investigator Email
ehristakieva@gmail.com
Contact Person Name
Evgeniya Hristakieva
Contact Person Email
ehristakieva@gmail.com
Site Name
Diagnostic-Consultative Center Alexandrovska EOOD
Principal Investigator Name
Snejina Vassileva
Principal Investigator Email
snejina.vassileva@gmail.com
Contact Person Name
Snejina Vassileva
Contact Person Email
snejina.vassileva@gmail.com
Site Name
University Multiprofile Hospital For Active Treatment Dr. Georgi Stranski EAD
Department Name
Clinic of Skin and Venereal Diseases
Principal Investigator Name
Dimitar Gospodinov
Principal Investigator Email
dkg@abv.bg
Contact Person Name
Dimitar Gospodinov
Contact Person Email
dkg@abv.bg
Site Name
Medical Center Hera EOOD
Principal Investigator Name
Maria Ratkova
Principal Investigator Email
maria.ratkova@heraclinics.com
Contact Person Name
Maria Ratkova
Contact Person Email
maria.ratkova@heraclinics.com
Site Name
Military Medical Academy
Department Name
Clinic of skin and venereal diseases
Principal Investigator Name
Vessel Kantardjiev
Principal Investigator Email
v.kantarjiev@vma.bg
Contact Person Name
Vessel Kantardjiev
Contact Person Email
v.kantarjiev@vma.bg
Site Name
ASMC IPSMC Skin And Venereal Diseases
Principal Investigator Name
Ivan Botev
Principal Investigator Email
botev2@yahoo.com
Contact Person Name
Ivan Botev
Contact Person Email
botev2@yahoo.com
Site Name
Dkc Fokus-5 Lzip OOD
Principal Investigator Name
Grisha Mateev
Principal Investigator Email
grisha_mateev@yahoo.com
Contact Person Name
Grisha Mateev
Contact Person Email
grisha_mateev@yahoo.com

Czechia

Earliest CTIS Part Ii Submission Date
05-08-2025
Latest Decision Or Authorization Date
03-09-2025
Processing Time Days
29
Number Of Participants
18

Sites

Site Name
Kožní ordinace
Principal Investigator Name
Petr Arenberger
Principal Investigator Email
avemedica@email.cz
Contact Person Name
Petr Arenberger
Contact Person Email
avemedica@email.cz
Site Name
Fakultni Nemocnice Ostrava
Department Name
Kožní oddělení
Principal Investigator Name
Yvetta Vantuchová
Principal Investigator Email
yvetta.vantuchova@fno.cz
Contact Person Name
Yvetta Vantuchová
Contact Person Email
yvetta.vantuchova@fno.cz

France

Earliest CTIS Part Ii Submission Date
03-07-2025
Latest Decision Or Authorization Date
03-09-2025
Processing Time Days
62
Number Of Participants
25

Sites

Site Name
Centre Hospitalier Regional Et Universitaire De Brest
Department Name
Dermatology department
Principal Investigator Name
Laurent Misery
Principal Investigator Email
laurent.misery@chu-brest.fr
Contact Person Name
Laurent Misery
Contact Person Email
laurent.misery@chu-brest.fr
Site Name
Centre Hospitalier Universitaire De Toulouse
Department Name
Dermatology department
Principal Investigator Name
Serge Boulinguez
Principal Investigator Email
boulinguez.s@chu-toulouse.fr
Contact Person Name
Serge Boulinguez
Contact Person Email
boulinguez.s@chu-toulouse.fr
Site Name
Direction Centrale Du Service De Sante Des Armees
Department Name
Dermatology Department
Principal Investigator Name
Aude Roussel
Principal Investigator Email
aude.roussel@intradef.gouv.fr
Contact Person Name
Aude Roussel
Contact Person Email
aude.roussel@intradef.gouv.fr
Site Name
Hospices Civils De Lyon
Department Name
Dermatology department
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 Saint Etienne
Department Name
Dermatology department
Principal Investigator Name
Jean-Luc Perrot
Principal Investigator Email
j.luc.perrot@chu-st-etienne.fr
Contact Person Name
Jean-Luc Perrot
Contact Person Email
j.luc.perrot@chu-st-etienne.fr
Site Name
Hopital Prive D Antony
Department Name
Department of Dermatology
Principal Investigator Name
Pierre-Andre Becherel
Principal Investigator Email
p.becherel@ramsaygds.fr
Contact Person Name
Pierre-Andre Becherel
Contact Person Email
p.becherel@ramsaygds.fr

Hungary

Earliest CTIS Part Ii Submission Date
04-06-2025
Latest Decision Or Authorization Date
02-09-2025
Processing Time Days
90
Number Of Participants
12

Sites

Site Name
Obudai Egeszseguegyi Centrum Kft.
Principal Investigator Name
Beáta Bakos
Principal Investigator Email
beata.bakos@oec.hu
Contact Person Name
Beáta Bakos
Contact Person Email
beata.bakos@oec.hu
Site Name
University Of Pecs
Department Name
Bőr-, Nemikórtani és Onkodermatológiai Klinika
Principal Investigator Name
Zsuzsanna Lengyel
Principal Investigator Email
lengyel.zsuzsanna@pte.hu
Contact Person Name
Zsuzsanna Lengyel
Contact Person Email
lengyel.zsuzsanna@pte.hu
Site Name
Derma-B Kft.
Principal Investigator Name
Emese Herédi
Principal Investigator Email
emeseheredi@gmail.com
Contact Person Name
Emese Herédi
Contact Person Email
emeseheredi@gmail.com
Site Name
University Of Debrecen
Department Name
Bőrgyógyászati Klinika
Principal Investigator Name
Andrea Szegedi
Principal Investigator Email
aszegedi@med.unideb.hu
Contact Person Name
Andrea Szegedi
Contact Person Email
aszegedi@med.unideb.hu

Netherlands

Earliest CTIS Part Ii Submission Date
27-08-2025
Latest Decision Or Authorization Date
02-09-2025
Processing Time Days
6
Number Of Participants
5

Sites

Site Name
Erasmus Universitair Medisch Centrum Rotterdam (Erasmus MC)
Department Name
Dermatology
Principal Investigator Name
Hessel Van der Zee
Principal Investigator Email
dermaresearch@erasmusmc.nl
Contact Person Name
Hessel Van der Zee
Contact Person Email
dermaresearch@erasmusmc.nl

Norway

Earliest CTIS Part Ii Submission Date
08-08-2025
Latest Decision Or Authorization Date
01-09-2025
Processing Time Days
24
Number Of Participants
2

Sites

Site Name
Oslo University Hospital HF
Department Name
Dermatology
Principal Investigator Name
Olav Sundnes
Principal Investigator Email
olasun@ous-hf.no
Contact Person Name
Olav Sundnes
Contact Person Email
olasun@ous-hf.no

Poland

Earliest CTIS Part Ii Submission Date
01-08-2025
Latest Decision Or Authorization Date
08-09-2025
Processing Time Days
38
Number Of Participants
144

Sites

Site Name
Clinical Research Center Sp. z o.o. Medic-R sp.k.
Department Name
-
Principal Investigator Name
Magdalena Czarnecka-Operacz
Principal Investigator Email
kontakt@cr-center.pl
Contact Person Name
Magdalena Czarnecka-Operacz
Contact Person Email
kontakt@cr-center.pl
Site Name
Pratia S.A.
Department Name
PRATIA MCM KRAKÓW
Principal Investigator Name
Dorota Kołodziejczyk
Principal Investigator Email
biuro.mcm@pratia.com
Contact Person Name
Dorota Kołodziejczyk
Contact Person Email
biuro.mcm@pratia.com
Site Name
Clinical Best Solutions Sp. z o.o. S.K.
Department Name
-
Principal Investigator Name
Mariusz Sikora
Principal Investigator Email
g.fiutkowski@clinicalCbs.com
Contact Person Name
Mariusz Sikora
Contact Person Email
g.fiutkowski@clinicalCbs.com

Slovakia

Earliest CTIS Part Ii Submission Date
02-07-2025
Latest Decision Or Authorization Date
01-09-2025
Processing Time Days
61
Number Of Participants
3

Sites

Site Name
Fakultna Nemocnica Trnava
Department Name
Dermatovenerologická klinika
Principal Investigator Name
Peter Kozub
Principal Investigator Email
peter.kozub.derm@gmail.com
Contact Person Name
Peter Kozub
Contact Person Email
peter.kozub.derm@gmail.com

Spain

Earliest CTIS Part Ii Submission Date
27-06-2025
Latest Decision Or Authorization Date
03-09-2025
Processing Time Days
68
Number Of Participants
56

Sites

Site Name
Hospital Universitario Puerta Del Mar
Department Name
Dermatology
Principal Investigator Name
David Jimenez Gallo
Contact Person Name
David Jimenez Gallo
Site Name
Hospital Universitario Reina Sofia
Department Name
Dermatology
Principal Investigator Name
Juan Alberto Ruano Ruiz
Principal Investigator Email
juan.ruano@imibic.org
Contact Person Name
Juan Alberto Ruano Ruiz
Contact Person Email
juan.ruano@imibic.org
Site Name
Complexo Hospitalario Universitario De Santiago
Department Name
Dermatology
Principal Investigator Name
Maria Ángeles Florez Menendez
Principal Investigator Email
angeles.florez.menendez@sergas.es
Contact Person Name
Maria Ángeles Florez Menendez

Belgium

Earliest CTIS Part Ii Submission Date
05-08-2025
Latest Decision Or Authorization Date
24-11-2025
Processing Time Days
111
Number Of Participants
5

Sites

Site Name
Centre hospitalier universitaire de Liege
Department Name
Dermatology
Principal Investigator Name
Arjen Nikkels
Principal Investigator Email
Af.nikkels@chuliege.be
Contact Person Name
Arjen Nikkels
Contact Person Email
Af.nikkels@chuliege.be
Site Name
Universitair Ziekenhuis Gent
Department Name
Dermatology
Principal Investigator Name
Jo Lambert
Principal Investigator Email
Jo.lambert@uzgent.be
Contact Person Name
Jo Lambert
Contact Person Email
Jo.lambert@uzgent.be
Site Name
UZ Leuven
Department Name
Dermatology
Principal Investigator Name
An Van Laethem
Principal Investigator Email
An.vanlaethem@uzleuven.be
Contact Person Name
An Van Laethem
Contact Person Email
An.vanlaethem@uzleuven.be

Portugal

Earliest CTIS Part Ii Submission Date
14-07-2025
Latest Decision Or Authorization Date
29-10-2025
Processing Time Days
107
Number Of Participants
9

Sites

Site Name
Unidade Local De Saude De Santa Maria E.P.E.
Department Name
Dermatology
Principal Investigator Name
Joana Antunes
Principal Investigator Email
joana.antunes@ulssm.min-saude.pt
Contact Person Name
Joana Antunes
Site Name
Unidade Local De Saude De Santo Antonio E.P.E.
Department Name
Dermatology
Principal Investigator Name
Ines Lobo
Principal Investigator Email
u08253@chporto.min-saude.pt
Contact Person Name
Ines Lobo
Contact Person Email
u08253@chporto.min-saude.pt
Site Name
Unidade Local De Saude De Sao Jose E.P.E.
Department Name
Dermatology
Principal Investigator Name
Joana Cabete
Principal Investigator Email
joana.cabete@ulssjose.min-saude.pt
Contact Person Name
Joana Cabete

Italy

Earliest CTIS Part Ii Submission Date
21-07-2025
Latest Decision Or Authorization Date
02-09-2025
Processing Time Days
43
Number Of Participants
36

Sites

Site Name
Fondazione IRCCS Ca Granda Ospedale Maggiore Policlinico
Department Name
Dermatology Unit Operational address: Via Pace,9,Milano 20122 - Italy
Principal Investigator Name
Angelo Valerio Marzano
Principal Investigator Email
angelo.marzano@unimi.it
Contact Person Name
Angelo Valerio Marzano
Contact Person Email
angelo.marzano@unimi.it
Site Name
Hospital Santa Maria Della Misericordia
Department Name
Dipartimento Di Medicina E Chirurgia
Principal Investigator Name
Luca Stingeni
Principal Investigator Email
luca.stingeni@unipg.it
Contact Person Name
Luca Stingeni
Contact Person Email
luca.stingeni@unipg.it
Site Name
Azienda Ospedaliera Universitaria Citta Della Salute E Della Scienza Di Torino
Department Name
Medical Science-Section of Dermatology U
Principal Investigator Name
Simone Ribero
Principal Investigator Email
simone.ribero@unito.it
Contact Person Name
Simone Ribero
Contact Person Email
simone.ribero@unito.it

Germany

Earliest CTIS Part Ii Submission Date
07-08-2025
Latest Decision Or Authorization Date
01-09-2025
Processing Time Days
25
Number Of Participants
129

Sites

Site Name
University Medical Center Hamburg-Eppendorf
Department Name
Institute for Health Services Research
Principal Investigator Name
Matthias Augustin
Principal Investigator Email
m.augustin@uke.de
Contact Person Name
Matthias Augustin
Contact Person Email
m.augustin@uke.de
Site Name
Universitaet Muenster
Department Name
Clinic for Skin Disease
Principal Investigator Name
Nina Magnolo
Principal Investigator Email
Nina.magnolo@ukmuenster.de
Contact Person Name
Nina Magnolo
Contact Person Email
Nina.magnolo@ukmuenster.de
Site Name
St. Josef-Hospital
Department Name
Clinic for Dermatology, Venerology and Allergology
Principal Investigator Name
Falk Bechara
Principal Investigator Email
Falk.bechara@klinikum-bochum.de
Contact Person Name
Falk Bechara

Sponsor

Primary sponsor

Full Name
MoonLake Immunotherapeutics AG
Organisation Type
Pharmaceutical company
Country Of Registered Address
Switzerland

Contract research organisations

Name
Eresearchtechnology Inc.
Responsibilities
eCOA and ECG services
Name
Olink Proteomics AB
Responsibilities
Serum biomarkers
Name
Icon Clinical Research Limited
Responsibilities
codes: 1,12,2,5,6
Name
Medidata Solutions Inc.
Responsibilities
code: 7

Third parties

  • {"country":"United States","full_name":"Eresearchtechnology Inc.","duties_or_roles":"eCOA and ECG services","organisation_type":"Pharmaceutical company"}
  • {"country":"Sweden","full_name":"Olink Proteomics AB","duties_or_roles":"Serum biomarkers","organisation_type":"Pharmaceutical company"}
  • {"country":"Ireland","full_name":"Icon Clinical Research Limited","duties_or_roles":"codes: 1,12,2,5,6","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Medidata Solutions Inc.","duties_or_roles":"code: 7","organisation_type":"Non-Pharmaceutical company"}

Investigational products

Investigational Product Name
Sonelokimab
Active Substance
SONELOKIMAB
Modality
Other antibody
Routes Of Administration
SUBCUTANEOUS INJECTION
Route
SUBCUTANEOUS INJECTION
Maximum Dose
120 mg/ml

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