NCT07411755

Brief Summary

This is a randomized, double-blind, three-arm, parallel-group study designed to demonstrate the similarity of the pharmacokinetics (PK), safety, and immunogenicity of GS101 injection compared with U.S. commercial Dupixent® and CN commercial Dupixent® in healthy adult participants in China. A total of 294 healthy male adult participants, with 98 participants per treatment group across 3 groups.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
294

participants targeted

Target at P75+ for phase_1

Timeline
4mo left

Started Mar 2026

Shorter than P25 for phase_1

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress35%
Mar 2026Sep 2026

First Submitted

Initial submission to the registry

February 9, 2026

Completed
8 days until next milestone

First Posted

Study publicly available on registry

February 17, 2026

Completed
16 days until next milestone

Study Start

First participant enrolled

March 5, 2026

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2026

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2026

Last Updated

April 24, 2026

Status Verified

March 1, 2026

Enrollment Period

6 months

First QC Date

February 9, 2026

Last Update Submit

April 21, 2026

Conditions

Outcome Measures

Primary Outcomes (3)

  • Pharmacokinetics Endpoint

    Cmax

    0-10 weeks

  • Pharmacokinetics Endpoint

    AUC0-∞

    0-10 weeks

  • Pharmacokinetics Endpoint

    AUC0-t

    0-10 weeks

Study Arms (3)

GS101 injection

EXPERIMENTAL
Drug: GS101 injection

U.S. commercial dupilumab (Dupixent®)

ACTIVE COMPARATOR
Drug: U.S. commercial Dupixent®

China commercial dupilumab (Dupixent®)

ACTIVE COMPARATOR
Drug: CN commercial Dupixent®

Interventions

300 mg (2.0 mL)/pre-filled syringe Single subcutaneous injection, 5 cm to the left of the umbilicus, under fasting conditions

GS101 injection

300 mg (2.0 mL)/pre-filled syringe Single subcutaneous injection, 5 cm to the left of the umbilicus, under fasting conditions

U.S. commercial dupilumab (Dupixent®)

300 mg (2.0 mL)/pre-filled syringe Single subcutaneous injection, 5 cm to the left of the umbilicus, under fasting conditions

China commercial dupilumab (Dupixent®)

Eligibility Criteria

Age18 Years - 55 Years
Sexmale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • No clinically significant abnormalities detected in physical examination, vital signs, chest X-ray (posteroanterior \[PA\] view), 12-lead ECG, or laboratory tests prior to investigational product administration.
  • Body mass index (BMI) between 19 and 26 kg/m² (inclusive) and body weight between 55 and 85 kg (inclusive).
  • Participants and their partner agree to use medically accepted contraceptive methods from the signing of the informed consent form until three months after dosing of the investigational product. In addition, participants have no plans to donate sperm, and their partner has no plans for pregnancy.

You may not qualify if:

  • History or presence at screening of neurological/psychiatric, respiratory, cardiovascular, gastrointestinal, hematologic/lymphatic, endocrine, musculoskeletal, or any other disease judged by the investigator to interfere with study assessments.
  • History of drug or food allergy (≥2 types) or history of specific allergic diseases (e.g., asthma, urticaria, eczematous dermatitis), or known hypersensitivity to monoclonal antibodies targeting the same pathway or to investigational product components.
  • Positive result for any infectious disease screening, including human immunodeficiency virus (HIV) antibody and p24 antigen, hepatitis B surface antigen (HBsAg), hepatitis C virus (HCV) IgG antibody, or Treponema pallidum (syphilis) antibody.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

The Second Affiliated Hospital of Soochow University

Suzhou, Jiangsu, 215004, China

RECRUITING

MeSH Terms

Conditions

Dermatitis, Atopic

Interventions

GS 101

Condition Hierarchy (Ancestors)

Skin Diseases, GeneticGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and AbnormalitiesDermatitisSkin DiseasesSkin and Connective Tissue DiseasesSkin Diseases, EczematousHypersensitivity, ImmediateHypersensitivityImmune System Diseases

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 9, 2026

First Posted

February 17, 2026

Study Start

March 5, 2026

Primary Completion (Estimated)

September 1, 2026

Study Completion (Estimated)

September 1, 2026

Last Updated

April 24, 2026

Record last verified: 2026-03

Locations