NCT07373639

Brief Summary

This is a Long-term Follow-up (LTFU) study in patients who received BEAM-101 in the parent study (Study BTX-AUT-001). Eligible patients who received BEAM-101 will be asked to participate in this LTFU study prior to completing Study BTX-AUT-001. Patients who enter into this study will be followed for 13 years (a total of 15 years after receiving BEAM-101).

Trial Health

77
On Track

Trial Health Score

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

Enrollment
50

participants targeted

Target at P25-P50 for all trials

Timeline
204mo left

Started Dec 2025

Longer than P75 for all trials

Geographic Reach
1 country

17 active sites

Status
recruiting

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 Progress2%
Dec 2025Feb 2043

Study Start

First participant enrolled

December 15, 2025

Completed
22 days until next milestone

First Submitted

Initial submission to the registry

January 6, 2026

Completed
22 days until next milestone

First Posted

Study publicly available on registry

January 28, 2026

Completed
17.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 12, 2043

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 12, 2043

Last Updated

January 28, 2026

Status Verified

November 1, 2025

Enrollment Period

17.2 years

First QC Date

January 6, 2026

Last Update Submit

January 23, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Long-Term Safety Monitoring and Mortality Assessment

    Monitor all BEAM-101-related AEs and SAEs through Year 15 post-IMP administration, all SAEs regardless of relatedness through Year 5, new malignancies, new or worsening bone marrow-related hematologic disorders, and all-cause mortality.

    Up to 13 years

Secondary Outcomes (10)

  • Proportion of patients without severe VOCs overtime

    Through year 15

  • Duration of being severe VOC-free

    Through year 15

  • Frequency of RBC transfusions over time

    Through year 15

  • Proportion (%) of patients requiring treatment for SCD related complications

    Through year 15

  • Total Hemoglobin (Hb) Concentration (g/dL) over time

    Through year 15

  • +5 more secondary outcomes

Study Arms (1)

BTX-101-002 Long-term Follow-up on Patients who received BEAM-101

All participants who received BEAM-101 in the BTX-AUT-001 trial will be asked to participate in this long-term follow-up study

Drug: Long-Term Follow-up Study of patients who received BEAM-101

Interventions

This is a Long-Term Follow-up Study of patients who received a single dose of BEAM-101 administered by IV following myeloablative conditioning with busulfan

BTX-101-002 Long-term Follow-up on Patients who received BEAM-101

Eligibility Criteria

Age14 Years - 37 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64)
Sampling MethodNon-Probability Sample
Study Population

The study population consists of participants enrolled at sites from the parent study (BTX-AUT-001) who meet the criteria for long-term follow-up

You may qualify if:

  • Have received BEAM-101 in Study BTX-AUT-001 and are in the process of completing that study's end-of-study (EOS) visit.
  • Provide signed, written informed consent according to local institutional review board (IRB)/independent ethics committee (IEC) and institutional requirements.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (17)

University of Alabama at Birmingham

Birmingham, Alabama, 35233, United States

NOT YET RECRUITING

Phoenix Children's Hospital

Phoenix, Arizona, 85016, United States

NOT YET RECRUITING

Mayo Clinic Florida

Jacksonville, Florida, 32224, United States

NOT YET RECRUITING

Children's Healthcare of Atlanta - Aflac Cancer and Blood Disorders Center- Egleston

Atlanta, Georgia, 30329, United States

NOT YET RECRUITING

Boston Children's Hospital

Boston, Massachusetts, 02215, United States

RECRUITING

Henry Ford Cancer Center

Detroit, Michigan, 48202, United States

NOT YET RECRUITING

University of Minnesota

Minneapolis, Minnesota, 55455, United States

NOT YET RECRUITING

Washington University School of Medicine in St. Louis

St Louis, Missouri, 63110, United States

NOT YET RECRUITING

Hackensack University Medical Center

Hackensack, New Jersey, 07601, United States

NOT YET RECRUITING

Columbia University Irving Medical Center

New York, New York, 10032, United States

NOT YET RECRUITING

University Hospitals Clevland Medical Center

Cleveland, Ohio, 44106, United States

NOT YET RECRUITING

The Clevland Clinic Foundation

Cleveland, Ohio, 44195, United States

NOT YET RECRUITING

Children's Hospital of Philadelphia

Philadelphia, Pennsylvania, 19104, United States

NOT YET RECRUITING

Medical University of South Carolina

Charleston, South Carolina, 29425, United States

NOT YET RECRUITING

St. Jude Children's Research Hospital

Memphis, Tennessee, 38105, United States

NOT YET RECRUITING

The Children's Hospital at TriStar Centennial

Nashville, Tennessee, 37203, United States

NOT YET RECRUITING

Medical College of Wisconsin

Milwaukee, Wisconsin, 53226, United States

NOT YET RECRUITING

MeSH Terms

Conditions

HemoglobinopathiesAnemia, Sickle Cell

Condition Hierarchy (Ancestors)

Hematologic DiseasesHemic and Lymphatic DiseasesGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and AbnormalitiesAnemia, Hemolytic, CongenitalAnemia, HemolyticAnemia

Central Study Contacts

Medical Information

CONTACT

Study Design

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

Study Record Dates

First Submitted

January 6, 2026

First Posted

January 28, 2026

Study Start

December 15, 2025

Primary Completion (Estimated)

February 12, 2043

Study Completion (Estimated)

February 12, 2043

Last Updated

January 28, 2026

Record last verified: 2025-11

Data Sharing

IPD Sharing
Will not share

Locations