Rollover Study From EXG-US-01
Long Term Follow-up Study in Patients With Telomere Biology Disorders With Bone Marrow Failure Who Completed Study EXG-US-01
1 other identifier
interventional
12
1 country
1
Brief Summary
This is a long-term rollover follow-up study for Phase I/II study (Protocol EXG-US-01).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_1
Started Jan 2024
Typical duration 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
May 8, 2023
CompletedFirst Posted
Study publicly available on registry
May 22, 2023
CompletedStudy Start
First participant enrolled
January 1, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 30, 2027
ExpectedStudy Completion
Last participant's last visit for all outcomes
January 30, 2027
July 12, 2024
July 1, 2024
3.1 years
May 8, 2023
July 10, 2024
Conditions
Outcome Measures
Primary Outcomes (5)
Number of participants with adverse events -Safety by Incidence of Treatment-Emergent
Number of participants with treatment-related adverse events as assessed by CTCAE v4.03. Incidence and nature of adverse events, vital signs, weight.
Change from Baseline Systolic Blood Pressure at Month 18, 24,30,36,42,48,60 and 72
umber of participants with a change in in physical examination
Physical examination changes General appearance ,Head, eyes, ears, nose, and throat, Respiratory, Cardiovascular, Musculoskeletal, Abdomen, Neurologic, Extremities, Dermatologic, Lymphatic)
Change from Baseline Systolic Blood Pressure at Month 18, 24,30,36,42,48,60 and 72
Number of participants with a change in Electrocardiography (ECG)
ECG (standard digital 12-lead in singlicate)
Change from Baseline Systolic Blood Pressure at Month 18, 24,30,36,42,48,60 and 72
Number of participants with a change in clinical laboratory evaluations
Changes in clinical laboratory evaluations (Hematology, Blood chemistry, Coagulation, and Urinalysis)
Change from Baseline Systolic Blood Pressure at Month 18, 24,30,36,42,48,60 and 72
Number of participants with a change of Immunogenicity
Change in Antibody against virus vector and transgene
Change from Baseline Systolic Blood Pressure at Month 18, 24,30,36,42,48,60 and 72
Secondary Outcomes (2)
Number of participants with a change in telomere length
Change from Baseline Systolic Blood Pressure at Month 18, 24,30,36,42,48,60 and 72
Number of participants with improvement of blood counts.
Change from Baseline Systolic Blood Pressure at Month 18, 24,30,36,42,48,60 and 72
Study Arms (1)
EXG34217
EXPERIMENTALsingle autologous CD34+ cells contacted ex vivo with EXG-001
Interventions
Eligibility Criteria
You may qualify if:
- Signed an Institutional Review Board (IRB) approved informed consent document indicating that they understand the purpose of, and procedures required by the study and are willing to participate in the study and comply with all study procedures and restrictions. Informed consent must be obtained from the subject prior to initiating procedures.
- Have completed the 12-month visit of Study EXG-US-01.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Cincinnati Children's Hospital
Cincinnati, Ohio, 45229, United States
Study Officials
- PRINCIPAL INVESTIGATOR
Kasiani Myers, MD
Cincinnati Children Hospital Medical Center
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- NA
- Masking
- NONE
- Purpose
- SUPPORTIVE CARE
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
May 8, 2023
First Posted
May 22, 2023
Study Start
January 1, 2024
Primary Completion (Estimated)
January 30, 2027
Study Completion (Estimated)
January 30, 2027
Last Updated
July 12, 2024
Record last verified: 2024-07