NCT06685536

Brief Summary

This is a study to evaluate the long-term safety and efficacy of CS-101 in participants who received CS-101 in study CS -101-06 (NCT06024876),No investigational drug product will be administered in the study.

Trial Health

75
On Track

Trial Health Score

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

Enrollment
5

participants targeted

Target at below P25 for all trials

Timeline
160mo left

Started Jan 2025

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
enrolling by invitation

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 Progress9%
Jan 2025Jul 2039

First Submitted

Initial submission to the registry

November 7, 2024

Completed
5 days until next milestone

First Posted

Study publicly available on registry

November 12, 2024

Completed
2 months until next milestone

Study Start

First participant enrolled

January 18, 2025

Completed
14.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2039

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2039

Last Updated

February 10, 2026

Status Verified

February 1, 2026

Enrollment Period

14.5 years

First QC Date

November 7, 2024

Last Update Submit

February 8, 2026

Conditions

Outcome Measures

Primary Outcomes (4)

  • Frequency and severity of SAEs and CS-101 related AES as assessed by CTCAE v5.0

    CommonTerminology Criteria for Adverse Events#CTCAE#has 5 levels of AE determination, increasing in severity as the level increases

    Through 15 years post CS-101 infusion

  • New malignancies and hematologic disorders

    Based on ICD-11

    Through 15 years post CS-101 infusion

  • Occurrence of all-cause death

    Through 15 years post CS-101 infusion

  • Occurrence of achieving transfusion independence for at least 12 consecutive months

    Through 15 years post CS-101 infusion

Secondary Outcomes (5)

  • Change in fetal hemoglobin(HbF) concentration over time

    Through 15 years post CS-101 infusion

  • Change in total hemoglobin(Hb) concentration over time

    Through 15 years post CS-101 infusion

  • Chimerism level in Peripheral blood Proportion of alleles with intended genetic modification in

    Through 15 years post CS-101 infusion

  • Chimerism level in bone marrow Proportion of alleles with intended genetic modification in

    Through 15 years post CS-101 infusion

  • Change in F-Cell concentration over time

    Through 15 years post CS-101 infusion

Interventions

Safety evaluations,disease-specific assessments,and assessments to monitor for long-term complications of autologous transplant

Eligibility Criteria

Age6 Years - 35 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64)
Sampling MethodNon-Probability Sample
Study Population

Subject with β-thalassemia treated with CS-101 infusion in last study

You may qualify if:

  • Participants (or his or her legally appointed and authorized representative or guardian) must sign and date informed consent form (ICF) and, where applicable, an assent form
  • Participants must have received CS-101 infusion in last study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

The First Affiliated Hospital of Guangxi Medical University

Nanning, Guangxi, China

Location

MeSH Terms

Conditions

beta-Thalassemia

Interventions

Safety

Condition Hierarchy (Ancestors)

ThalassemiaAnemia, Hemolytic, CongenitalAnemia, HemolyticAnemiaHematologic DiseasesHemic and Lymphatic DiseasesHemoglobinopathiesGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and Abnormalities

Intervention Hierarchy (Ancestors)

Accident PreventionAccidentsPublic HealthEnvironment and Public Health

Study Officials

  • Yongrong Lai, M.D.

    First Affiliated Hospital of Guangxi Medical University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
PROSPECTIVE
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 7, 2024

First Posted

November 12, 2024

Study Start

January 18, 2025

Primary Completion (Estimated)

July 1, 2039

Study Completion (Estimated)

July 1, 2039

Last Updated

February 10, 2026

Record last verified: 2026-02

Data Sharing

IPD Sharing
Will not share

Locations