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The Clinical Study on the Treatment of SSc With UTAA91 Injection.

Clinical Study on the Treatment of Refractory Moderate-to-Severe Active Systemic Sclerosis With UTAA91 Injection

Status
Recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07000682
Enrollment
24
Registered
2025-06-03
Start date
2025-05-30
Completion date
2040-01-31
Last updated
2025-07-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Systemic Sclerosis (SSc)

Brief summary

This clinical trial is designed as a single-arm, open-label, single-center investigator-initiated early-phase study, with the primary objective of evaluating the safety of UTAA91 injection in subjects with refractory moderate-to-severe active systemic sclerosis.

Interventions

CAR-modified gamma delta T cells

Sponsors

Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Intervention model description

After signing the informed consent form, eligible subjects will be infused with UTAA91 injection. Blood samples will be collected from the subjects before and after the infusion for the evaluation of pharmacokinetics, pharmacodynamics, immunogenicity, safety, etc.

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Aged ≥18 years (inclusive of the boundary value), with no restriction on gender. Expected survival time of ≥3 months. Refractory moderate - to - severe active systemic sclerosis that has failed standard treatment or lacks effective therapeutic options. Meets the requirements for liver and kidney function, as well as cardiopulmonary function. Free from severe psychiatric disorders. Able to understand the trial and has signed the informed consent form.

Exclusion criteria

* A history of malignant tumors other than relapsed/refractory autoimmune diseases (R/R AID) within 5 years prior to screening. Positive results in virology/syphilis tests. Severe cardiac diseases or unstable systemic diseases. Presence of active or uncontrollable infections requiring systemic treatment, or evidence of central nervous system invasion. Pregnant or breastfeeding women, female subjects planning to become pregnant within 2 years after cell infusion, or male subjects whose partners plan to become pregnant within 2 years after their cell infusion. Subjects who have received CAR - T therapy or other gene - modified cell therapies prior to screening. Subjects who participated in other clinical studies within 1 month prior to screening. Other conditions deemed unsuitable for enrollment by the investigator.

Design outcomes

Primary

MeasureTime frameDescription
Adverse eventsAbout 1 yearThe types, frequency, and severity of adverse events (AEs) and laboratory abnormalities (according to the Common Terminology Criteria for Adverse Events, NCI CTCAE 5.0).

Secondary

MeasureTime frameDescription
TmaxAbout 1 yearTime to reach maximum concentration in peripheral blood after administration of UTAA91 injection
Disease remission rateAbout 3 monthsThe disease remission/response/improvement rates at 28 days, 2 months, and 3 months after treatment with UTAA09 injection.
CmaxAbout 1 yearMaximum concentration of UTAA91 injection amplified in peripheral blood after administration of the drug

Countries

China

Contacts

Primary ContactQiubai Li, MD
qiubaili@hust.edu.cn+8613995671635

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026