Long-Term Follow-up of Subjects Who Were Treated With ST-920
![]() |
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT05039866 |
Recruitment Status :
Enrolling by invitation
First Posted : September 10, 2021
Last Update Posted : April 25, 2023
|
- Study Details
- Tabular View
- No Results Posted
- Disclaimer
- How to Read a Study Record
Condition or disease | Intervention/treatment |
---|---|
Fabry Disease Fabry Disease, Cardiac Variant | Biological: ST-920 |
Study Type : | Observational |
Estimated Enrollment : | 48 participants |
Observational Model: | Case-Only |
Time Perspective: | Prospective |
Official Title: | Long-Term Follow-up of Fabry Disease Subjects Who Were Treated With ST-920, an AAV2/6 Human Alpha Galactosidase A Gene Therapy |
Actual Study Start Date : | August 16, 2021 |
Estimated Primary Completion Date : | June 2028 |
Estimated Study Completion Date : | June 2029 |

Group/Cohort | Intervention/treatment |
---|---|
Subjects who received ST-920
Subjects who received ST-920 in a separate parent trial
|
Biological: ST-920
No study drug is administered in this study. Subjects who received ST-920 in a separate parent trial will be evaluated in this trial for long-term safety. |
- To evaluate long-term safety of ST-920 [ Time Frame: 4 years ]To evaluate long-term safety of ST-920 by assessment of incidence and severity of adverse events (AEs)
Biospecimen Retention: Samples With DNA

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Sampling Method: | Non-Probability Sample |
Inclusion Criteria:
- Subjects who received ST-920 therapy in a separate parent trial
- Subjects who have consented to participate in this LTFU study.
Exclusion Criteria:
-This study has no exclusion criteria

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT05039866
United States, Georgia | |
Emory University School of Medicine | |
Atlanta, Georgia, United States, 30322 | |
United States, Iowa | |
University of Iowa Hospital and Clinics | |
Iowa City, Iowa, United States, 52242 | |
United States, New York | |
Mt. Sinai Hospital | |
New York, New York, United States, 10029 | |
United States, Ohio | |
Cincinnati Children's Hospital Medical Center | |
Cincinnati, Ohio, United States, 45229 | |
United States, Virginia | |
Lysosomal & Rare Disorders Research & Treatment Center (LDRTC) | |
Fairfax, Virginia, United States, 22030 | |
United Kingdom | |
Addenbrooke's Hospital | |
Cambridge, United Kingdom, CB2 0QQ |
Study Director: | Medical Monitor | Sangamo Therapeutics, Inc. |
Responsible Party: | Sangamo Therapeutics |
ClinicalTrials.gov Identifier: | NCT05039866 |
Other Study ID Numbers: |
ST-920-LT01 |
First Posted: | September 10, 2021 Key Record Dates |
Last Update Posted: | April 25, 2023 |
Last Verified: | April 2023 |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Fabry Disease Gene Therapy ST-920 Rare |
Genetic DNA Sangamo Long Term |
Fabry Disease Sphingolipidoses Lysosomal Storage Diseases, Nervous System Brain Diseases, Metabolic, Inborn Brain Diseases, Metabolic Brain Diseases Central Nervous System Diseases Nervous System Diseases Cerebral Small Vessel Diseases Cerebrovascular Disorders |
Vascular Diseases Cardiovascular Diseases Genetic Diseases, X-Linked Genetic Diseases, Inborn Metabolism, Inborn Errors Lipidoses Lipid Metabolism, Inborn Errors Lysosomal Storage Diseases Metabolic Diseases Lipid Metabolism Disorders |