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Not yet recruiting NCT07732309

A Study of ATG-201 in Adult Participants With Autoimmune Diseases

Phase I Interventional Systemic Lupus Erythematosus Systemic Sclerosis (SSc) Sjogren's Disease

For patients and families

In plain language

An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.

What is being studied
The protocol lists: ATG-201.
Who it may be relevant to
Registry conditions: Systemic Lupus Erythematosus, Systemic Sclerosis (SSc), Sjogren's Disease. Basic parameters: from 18 years · All.
What needs checking
Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
Where it takes place
China
Next step
Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
Official title

A Phase I, Open-label Study to Evaluate the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, Immunogenicity, and Preliminary Efficacy of ATG-201 in Adult Participants With Autoimmune Diseases

Overview

This is a phase I, open-label study of ATG-201 in participants with autoimmune diseases.

Detailed description

This is a phase I, open-label, first-in-human clinical trial to evaluate the safety, tolerability, PK, PD, immunogenicity, and preliminary efficacy of ATG-201 in participants with autoimmune diseases. The study will be conducted in 2 parts: Dose Escalation (Part I) and Dose Expansion (Part II).

Interventions

  • Drug ATG-201
    ATG-201 is a recombinant, human IgG1-like TCE that simultaneously binds to human CD3 and CD19. The primary packaging used for ATG-201 injection consists of 2 mL middle-boro injection vial (2 mL-Pro), sealed with 13 mm stopper gray with B2 coating and 13 FO LQ 3769 blue cap. The production specification is 20 mg/vial.

Primary outcome measures

  • Safety and TolerabilitySafety and Tolerability [Time frame: 48 weeks]

Eligibility criteria

Inclusion criteria

  • Participants who give consent to this study participation and sign informed consent form.
  • Participants at least 18 years of age inclusive at screening visit.
  • Must be able to adhere to the study visit schedule and other protocol .requirements.
  • Female of childbearing potential must agree to use adequate contraceptive measures from 28 days before starting study treatment to until 48 weeks after last dose of treatment, not breastfeeding, and have a negative serum pregnancy test at screening.
  • Male participants must agree to use an effective barrier method of contraception during sexual contact with a female of childbearing potential during screening and throughout the study until 48 weeks after the final dose of study treatment.

SLE: subjects:

  • Have a confirmed diagnosis of SLE and meet the 2019 European League Against Rheumatism (EULAR)/American College of Rheumatology (ACR) classification criteria at screening.
  • Have active SLE disease.
  • Have had previous treatment failure.

Exclusion criteria

  • Intolerance or allergy to the investigational product, or to any component thereof, or to any concomitant medications that may be used in the study (e.g., tocilizumab).
  • Presence of central nervous system disorders of either autoimmune or non-autoimmune etiology, including but not limited to: epilepsy, psychotic disorders, organic brain syndrome, cerebrovascular accident, encephalitis, or central nervous system vasculitis.
  • Catastrophic or severe antiphospholipid syndrome within 12 months prior to screening or during screening.
  • Severe (requiring oxygen support) or rapidly progressing interstitial lung disease.
  • Uncontrolled other diseases: history or clinical evidence of active significant acute or chronic diseases (i.e., cardiovascular, pulmonary, untreated hypertension, anemia, gastrointestinal, hepatic, renal, neurological, cancer, or infectious diseases) which, in the opinion of the investigator, could confound the results of the study or put the participant at undue risk.
  • History of a major organ transplant (e.g. heart, lung, renal, liver) or hematopoietic stem cell/marrow transplant.
  • Have a planned surgical procedure, or a history of any other medical disease, or laboratory abnormalities, or conditions which would make the participant (in the opinion of the investigator) unsuitable for the study.
  • Received intravenous immunoglobulin, plasmapheresis, hemodialysis, intravenous cyclophosphamide, or high dose prednisone and its equivalents (>60 mg/day) within 2 months prior to screening.
  • Live or attenuated vaccine within 28 days prior to screening or during screening.
  • Participants who have evidence of serious suicide risk including any history of suicidal behavior in the last 6 months or who, in the investigator's opinion, pose a significant suicide risk.
  • The participant has an abnormality on 12-lead electrocardiogram at screening which is clinically significant in the opinion of the investigator, and which could confound the results of the study.

Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.

Healthy volunteers: No

Study design

Allocation
N/A
Model
Single group
Masking
Open label
Primary purpose
Treatment

Study locations

China · 22 centers
  • The First Affiliated Hospital of Bengbu Medical University — Bengbu
  • The First Affiliated Hospital of University of Science and Technology of China — Hefei
  • Peking University People's Hospital — Beijing
  • The First Affiliated Hospital of Xiamen University — Xiamen
  • Nanfang Hospital of Southern Medical Universit — Guangzhou
  • Sun Yat-sen Memorial Hospital, Sun Yat-sen Universit — Guangzhou
  • The First Affiliated Hospital of Guangzhou University of Chinese Medicine — Guangzhou
  • The First Affiliated Hospital of Sun Yat-sen University — Guangzhou
  • … and 14 more centers

Identifiers

NCT: NCT07732309 · ATG-201-AID-001

Primary sources (government registries)

View this study on ClinicalTrials.gov ↗