A Phase 1 Study of GS101 Injection
A Randomized, Double-blind, Parallel, Single-dose, Phase 1 Clinical Study to Compare the Pharmacokinetics, Safety, Tolerability, and Immunogenicity of GS101 Versus Dupixent® After Subcutaneous Injection
1 other identifier
interventional
294
1 country
1
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
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_1
Started Mar 2026
Shorter than P25 for phase_1
1 active site
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
First Submitted
Initial submission to the registry
February 9, 2026
CompletedFirst Posted
Study publicly available on registry
February 17, 2026
CompletedStudy Start
First participant enrolled
March 5, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 1, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
September 1, 2026
April 24, 2026
March 1, 2026
6 months
February 9, 2026
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
EXPERIMENTALU.S. commercial dupilumab (Dupixent®)
ACTIVE COMPARATORChina commercial dupilumab (Dupixent®)
ACTIVE COMPARATORInterventions
300 mg (2.0 mL)/pre-filled syringe Single subcutaneous injection, 5 cm to the left of the umbilicus, under fasting conditions
300 mg (2.0 mL)/pre-filled syringe Single subcutaneous injection, 5 cm to the left of the umbilicus, under fasting conditions
300 mg (2.0 mL)/pre-filled syringe Single subcutaneous injection, 5 cm to the left of the umbilicus, under fasting conditions
Eligibility Criteria
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
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
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