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An Open-label, Single-arm Study to Evaluate Pharmacokinetics and Safety of Subcutaneous Sonelokimab in Adolescents With Moderate to Severe Hidradenitis Suppurativa (VELA-TEEN)

An Open-label, Single-arm Study to Evaluate the Pharmacokinetics and Safety of Subcutaneous Sonelokimab in Adolescents Aged ≥12 to ≤17 Years at the Time of Study Inclusion With Active Moderate to Severe Hidradenitis Suppurativa

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06768671
Enrollment
35
Registered
2025-01-10
Start date
2024-12-30
Completion date
2026-03-27
Last updated
2025-12-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hidradenitis Suppurativa

Keywords

Hidradenitis Suppurativa, Hidradenitis, Sweat Gland Diseases, Skin Diseases, Skin Diseases, Bacterial, Suppuration, Anti-Inflammatory Agents, Sonelokimab, Nanobody, Apocrine Gland Disease

Brief summary

This is a study to evaluate the pharmacokinetic (PK) and safety of sonelokimab in adolescent patients with HS.

Interventions

Open label

Sponsors

MoonLake Immunotherapeutics AG
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
12 Years to 17 Years
Healthy volunteers
No

Inclusion criteria

1. Participants must be between ≥12 and ≤17 years of age at the time of signing the informed consent. 2. Participants who are diagnosed with HS as determined by the investigator and have a history of signs and symptoms of HS for ≥6 months before signing the informed consent. 3. Participants who have moderate to severe HS as determined by the refined Hurley staging (Stages IB and IC, IIB and IIC, and III). 4. Participants who have had an inadequate response to appropriate systemic antibiotics for treatment of HS . 5. Participants must be up to date with age-appropriate vaccine requirements 8 weeks prior to entry in the study. 6. Participants with a body weight of ≥ 40 kg.

Exclusion criteria

1. Participants with a known hypersensitivity to sonelokimab or any of its excipients. 2. Participants with a draining fistula count of ≥20 at the Screening Visit. 3. Participants with any other active skin disease or condition that may, in the opinion of the investigator, interfere with the assessment of HS. 4. Participants with underlying conditions that, in the opinion of the investigator, potentially compromise the participant and/or places the participant at unacceptable risk. 5. Participants who have history or concurrent clinically significant medical conditions or any other reason, including any physical, psychological, or psychiatric condition, that in the opinion of the investigator would compromise the safety or interfere with participation in the study, would make the participant an unsuitable candidate to receive study drug, or would put the participant at risk. 6. Participants with any other skin disease or other medical condition that in the opinion of the investigator would interfere with an accurate assessment of clinical symptoms of HS. 7. Participants with a confirmed or suspected diagnosis of inflammatory bowel disease.

Design outcomes

Primary

MeasureTime frameDescription
Clinically significant changes in standard 12-lead electrocardiogram (ECG) intervalsWeek 24Number of participants with clinically significant changes in 12-lead ECG intervals from baseline
Pharmacokinetics (PK) of sonelokimab in adolescentsWeek 24PK (trough concentrations) of sonelokimab over 24 weeks of treatment
Adverse events (AEs) following treatment with sonelokimab in adolescentsWeek 24Incidence, relatedness, severity and seriousness of all AEs over 24 weeks of treatment from baseline
Discontinuation of sonelokimab treatment due to AEsWeek 24Number of participants discontinued from sonelokimab treatment due to AE over 24 weeks of treatment from baseline
Clinically significant changes in clinical laboratory parametersWeek 24Number of participants with clinically significant changes in hematology, biochemistry and urinalysis from baseline
Clinically significant changes in vital signsWeek 24Number of participants with clinically significant changes in vital signs from baseline

Secondary

MeasureTime frameDescription
Hidradenitis Suppurativa Clinical Response (HiSCR) 50Week 24Percentage of participants achieving a HiSCR50 response over time
International Hidradenitis Suppurativa Severity Score System (IHS4)Week 24Absolute change in IHS4 score over time
Children's Dermatology Life Quality Index (CDLQI)Week 24Percentage of participants achieving a CDLQI total reduction of ≥2.5 over time among participants with a baseline CDLQI ≥2.5
Numerical Rating Scale (NRS) 30Week 24Percentage of participants achieving a ≥30% reduction and a ≥2-unit reduction over time in the NRS30 for pain in PGA among participants with a baseline NRS ≥3
Hidradenitis Suppurativa Clinical Response (HiSCR)75Week 24Percentage of participants achieving a HiSCR75 response over time

Countries

United States

Contacts

Primary ContactMoonlake Clinical Trial Helpdesk
ClinicalTrials@moonlaketx.com+41 41 510 8022

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026