RecruitingPhase 1NCT07239947

A Study of BBT001 in Healthy Volunteers (HVs) and in Adult Patients With Moderate to Severe Atopic Dermatitis (AD)

A Randomized, Blinded, Placebo-controlled, Single- and Multiple-ascending Dose Study to Evaluate Safety, Tolerability, Pharmacokinetics, Immunogenicity, Pharmacodynamics and Clinical Activity of BBT001 in HVs and AD Patient


Sponsor

Bambusa Therapeutics

Enrollment

63 participants

Start Date

Aug 9, 2025

Study Type

INTERVENTIONAL

Conditions

Summary

This is a Phase 1, randomized, blinded, placebo controlled, single ascending dose (SAD) study of BBT001 in healthy volunteers (HVs) and adult patients with moderate to severe Atopic Dermatitis (AD).


Eligibility

Min Age: 18 YearsMax Age: 65 Years

Inclusion Criteria13

  • Age of 18-65 years.
  • Body mass index between 18-28 kg/m², capped at 120 kg.
  • Negative pregnancy tests for women of childbearing potential.
  • Willingness to refrain from alcohol consumption for 24 hours prior to each study visit.
  • Non-smokers, healthy current smokers (≤5 cigarettes/day), or ex-smokers.
  • Adequate contraception use (for men and women of childbearing potential).
  • No clinically significant abnormalities or history of relevant diseases.
  • Must have dermatologist-confirmed chronic atopic dermatitis (≥12 months). Inadequate response to topical treatments or where they are medically inadvisable.
  • Moderate to severe atopic dermatitis
  • Validated investigator's global assessment for atopic dermatitis (vIGA-ADTM) score ≥3
  • Atopic lesions cover ≥10% of body surface area (BSA)
  • Average peak pruritus numeric rating scale (PP-NRS) score ≥4 in the 7 days before randomization.
  • Eczema Area and Severity Index (EASI) score ≥16 at screening and randomization visits.

Exclusion Criteria14

  • Significant health issues, such as: diabetes, positive tests for human immunodeficiency virus (HIV), hepatitis C virus (HCV), or hepatitis B surface antigen (HBsAg), immunodeficiencies, autoimmune diseases, or cancer, history of conditions predisposing to infections.
  • History of major metabolic, dermatological, liver, kidney, hematological, or other significant disorders.
  • Clinically relevant abnormal lab results, including low blood counts, liver issues, or abnormal kidney function.
  • Positive drug/alcohol tests or abnormal vital signs at screening or Day -1.
  • Abnormal Electrocardiogram (ECG) findings
  • History of drug/alcohol abuse in the past 2 years.
  • Donated >500mL blood within 2 months of screening.
  • History of severe allergic reactions or hypersensitivity.
  • Skin diseases other than atopic dermatitis, significant tattoos, or scarring.
  • Receipt of immunoglobulin or blood products within 30 days.
  • Atopic dermatitis with ocular symptoms or chronic ocular steroid use.
  • Chronic pruritus from conditions other than atopic dermatitis.
  • Acute/treated infections or chronic skin infections.
  • Current use of sedating antihistamines or corticosteroids.

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Interventions

DRUGBBT001

BBT001 will be administered

DRUGPlacebo

Placebo will be administered


Locations(10)

The Second Hospital of Anhui Medical Univesity

Hefei, Anhui, China

The Second Affiliated Hospital of Wannan Medical College

Wuhu, Anhui, China

Peking University People's Hospital

Beijing, Beijing Municipality, China

Dermatology Hospital of Southern Medical University

Guangzhou, Guangdong, China

The Second Xiangya Hospital of Central South University

Changsha, Hunan, China

Wuxi Second People's Hospital

Wuxi, Jiangsu, China

Jiangsu University Affiliated Hospital

Zhenjiang, Jiangsu, China

Jiangxi Provincial Dermatology Hospital

Nanchang, Jiangxi, China

Shandong Provincial Hospital for Skin Diseases

Jinan, Shandong, China

Shanghai Dermatology Hospital

Shanghai, Shanghai Municipality, China

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NCT07239947


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