Retina Foundation of the Southwest | Dallas, TX
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This Phase 2 study is a non-randomized, open-label, study of the safety of AGTC-501 in participants with XLRP who have previously been treated with a full-length AAV vector-based gene therapy targeting RPGR protein.
Full description
This is a Phase 2, open-label, multicenter study to evaluate the safety of 2 doses of AGTC-501 administered as a single subretinal injection in participants with XLRP who have previously been treated with a full-length AAV vector-based gene therapy targeting RPGR protein.
The trial includes a screening period of up to 60 days and a 5 year study period.
Each participant will receive a single subretinal injection of one of two dose levels of AGTC-501 in their previously untreated eye. There will be 3 groups. Group 1 will receive the high dose and include up to 12 participants, Group 2 will receive the low dose and will include 6 participants, and Group 3 will include ~3-6 participants. Participants in Groups 1 and 2 will receive the standard corticosteroid regimen. A single subretinal injection of the high dose AGTC-501 will be administered to participants in Group 1 (n = 12), while participants in Group 2 (n = 6) will receive a single subretinal injection of low dose AGTC-501. Group 2 (low dose AGTC-501, Standard Steroid) will be dosed before moving to Group 3. After 6 Group 1 (high dose) study participants reach post-operative Month 1, all data will be reviewed by the DSMC. If no safety signals arise, additional participants, Group 3 (n ~ 3-6), will receive a single subretinal injection of the high dose with a modified course of corticosteroids.
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24 participants in 3 patient groups
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Data sourced from clinicaltrials.gov
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