Evaluation of NM26-2198 in Healthy Subjects and in Patients With Moderate-to-severe Atopic Dermatitis (AD)

Purpose

This is a randomized, double-blind, placebo-controlled, single- and multiple ascending dose study of subcutaneous (SC) administration of NM26-2198 in healthy volunteers and adult patients with moderate to-severe AD to evaluate the safety, tolerability, pharmacokinetics (PK), and immunogenicity of single (SAD) and multiple doses (MAD) of NM26-2198.

Condition

  • Atopic Dermatitis

Eligibility

Eligible Ages
Over 18 Years
Eligible Genders
All
Accepts Healthy Volunteers
Yes

Inclusion Criteria

  1. SAD: Non-Asian ethnicity with grandparents and parents of non-Asian descent or Japanese descent having all four Japanese grandparents born in Japan. 2. SAD and MAD in Healthy Volunteers: Male or female aged 18 to 55 years; MAD: Male or female ≥18 years of age. 3. ALL COHORTS: Weight of 45 kg to 100 kg and BMI of 18.0 to 30.0 kg/m2. 4. SAD and MAD in Healthy Volunteers: Non-childbearing, non-breastfeeding females or males willing to use double barrier contraception or abstention from sex and sperm donation during the study; MAD: Males willing to use double barrier contraception or abstention from sex and sperm donation during the study; non-childbearing females or females of childbearing potential using protocol-defined method contraception, and who is not pregnant, lactating, or breastfeeding. 5. MAD: Diagnosis of chronic AD. 6. MAD: EASI score ≥16. 7. MAD: vIGA-AD™ score of ≥3. 8. MAD: Atopic lesions cover ≥10% of body surface area (BSA). 9. MAD: PP-NRS score ≥4. 10. MAD: Daily use of non-prescription emollient. Note: Other protocol-defined Inclusion criteria apply.

Exclusion Criteria

  1. SAD and MAD in Healthy Volunteers: Any clinically-relevant medical history or lab abnormality, including positive test for SARS-CoV-2, Hepatitis B or C, or HIV; MAD: Clinically-significant, abnormal laboratory findings, or positive test for SARS-CoV-2, Hepatitis B or C, or HIV. 2. ALL COHORTS: Clinically important ECG abnormalities or history/evidence thereof. 3. SAD and MAD in Healthy Volunteers: Use of prescription or non-prescription medications (except occasional use of paracetamol). 4. MAD: Diagnosis of protocol-specified skin diseases other than AD, or history of other significant skin condition that could interfere with study assessments. 5. MAD: History or ongoing allergy/hypersensitivity or history, or history of hypersensitivity to biological drugs. 6. MAD: Recent receipt of immunoglobulin or blood products. 7. MAD: Recent treatment with protocol-specified investigational treatments, or any prior treatment with dupilumab, tralokinumab, lebrikizumab, nemolizumab, or other protocol-specified drugs. 8. MAD: AD with recent ocular involvement requiring chronic ocular corticosteroid treatment. 9. MAD: Chronic pruritis due to conditions other than AD. 10. MAD: Acute AD superinfection, recent superficial skin infection, or other chronic/acute infection requiring protocol-defined treatments. 11. MAD: Recent use of sedating antihistimines, systemic corticosteroids, cytotoxic treatments, other immunosuppressive/immunomodulating agents, and other protocol-specified prohibited medications. 12. MAD: Recent topical corticosteroid or prescription moisturizer use. Note: Other protocol-defined Exclusion criteria apply.

Study Design

Phase
Phase 1
Study Type
Interventional
Allocation
Randomized
Intervention Model
Sequential Assignment
Primary Purpose
Treatment
Masking
Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)

Arm Groups

ArmDescriptionAssigned Intervention
Placebo Comparator
Placebo
Placebo (for NM26-2198) for subcutaneous (SC) injection in healthy volunteers (HVs) on Day 1 (SAD Cohorts) and on Days 1, 8, 15, and 22 (MAD Cohorts)
  • Other: Placebo
    Placebo for NM26-2198
Experimental
NM26-2198
NM26-2198 10mg, 50mg, 150mg, 300mg, 400mg, 600mg, and 900mg for SC injection in HVs on Day 1 (SAD Part A); NM26-2198 150mg and 300mg for SC injection in patients with AD on Days 1, 8, 15, and 22 (MAD Part B); NM26-2198 150mg and 300mg for SC injection in HVs on Days 1, 8, 15, and 22 (MAD Part C)
  • Biological: NM26-2198
    IL-4R/IL-31 bispecific antibody for subcutaneous administration

Recruiting Locations

More Details

NCT ID
NCT05859724
Status
Terminated
Sponsor
Yellow Jersey Therapeutics AG