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Long Term Follow-up (LTFU) of Subjects Who Received SB-318, SB-913, or SB-FIX

Long-Term Follow-up of Subjects Who Were Treated With SB-318, SB-913, or SB-FIX, for Targeted Genome Editing Into the Albumin Gene in the Liver

Status
Terminated
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT04628871
Acronym
LTFU
Enrollment
13
Registered
2020-11-16
Start date
2020-11-03
Completion date
2026-06-17
Last updated
2026-08-13

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

Conditions

Hemophilia B, Mucopolysaccharidosis I, Mucopolysaccharidosis II

Keywords

Mucopolysaccharidosis I, Hurler-Scheie Syndrome, Mucopolysaccharidosis II, Hunter Syndrome, Gene Editing, Gene Therapy, Zinc Finger, SB-318, SB-913, SB-FIX, Rare, Genetic, DNA, Sangamo, ZFN, Long Term, Hemophilia B, MPS

Brief summary

Long-term follow-up of subjects who received SB-318, SB-913, or SB-FIX in a previous trial and completed at least 52 weeks post-infusion follow-up in their primary protocol. Enrolled subjects will be followed for a total of up to 10 years following exposure to SB-318, SB-913, or SB-FIX.

Detailed description

Non-interventional, multi-center, long-term follow-up (LTFU) study of subjects dosed with SB-318 in the clinical study SB-318-1502, SB-913 in the clinical study SB-913-1602, and SB-FIX in clinical study SB-FIX-1501. All subjects dosed in the studies and completed at least 52 weeks post-infusion follow-up in their primary protocol will be offered to participate. Subjects who enroll will be monitored for a total of up to 10 years following exposure to the respective investigational products.

Interventions

BIOLOGICALSB-318

No study drug is administered in this study. Subject who received SB-318 in a previous trial will be evaluated in this trial for long-term safety.

BIOLOGICALSB-913

No study drug is administered in this study. Subject who received SB-913 in a previous trial will be evaluated in this trial for long-term safety.

BIOLOGICALSB-FIX

No study drug is administered in this study. Subject who received SB-FIX in a previous trial will be evaluated in this trial for long-term safety.

Sponsors

Sangamo Therapeutics
Lead SponsorINDUSTRY

Study design

Observational model
CASE_ONLY
Time perspective
PROSPECTIVE

Eligibility

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

Inclusion criteria

1. Subjects who received SB-318 under Study Protocol SB-318-1502, SB-913 under Study Protocol SB-913-1602, or SB-FIX under Study Protocol SB-FIX-1501 2. Subjects who have provided consent to participate in the LTFU study.

Exclusion criteria

1. Unable to comply with study visit schedule or study visit procedures. 2. Any other reason that, in the opinion of the Investigator or Medical Monitor, would render the subject unsuitable for participation in the study.

Design outcomes

Primary

MeasureTime frameDescription
Long-term safety10 yearsLong-term safety of SB-318, SB-913, and SB-FIX by assessment of any newly-diagnosed or worsening of existing medical conditions.

Countries

United States

Contacts

STUDY_DIRECTORMedical Monitor, MD

Sangamo Therapeutics

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Aug 14, 2026