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A First-in-Human, Open-Label, Dose-Escalation Study to Evaluate the Safety and Tolerability of Gene Therapy with TTX-381 for the Ocular Manifestations Associated with Neuronal Ceroid Lipofuscinosis Type 2 (CLN2) Disease

Status
Not yet recruiting
Phases
Phase 1Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2025-521175-31-00
Acronym
TTX-381-1102
Enrollment
5
Registered
2025-07-03
Start date
Unknown
Completion date
Unknown
Last updated
2025-07-03

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

Conditions

Ocular manifestations of Neuronal Ceroid Lipofuscinosis (CLN) Type 2

Brief summary

Ocular and overall AEs and SAEs through Day 360

Detailed description

Change from baseline in area of EZ loss as measured by SD-OCT at Day 180, Change from baseline in area of ellipsoid zone (EZ) loss as measured by SD-OCT at Day 360, Change from baseline in central subfield PR layer thickness as measured by SD-OCT at Day 180, Change from baseline in central subfield photoreceptor (PR) layer thickness as measured by SD-OCT at Day 360, Measurement of TTX-381 TPP1 in aqueous humor at Day 90, Measurement of TTX-381 TPP1 in aqueous humor at Day 360, TTX-381 detected by qPCR in urine and tears, Anti-AAV9 antibodies in serum, ATPA in serum and CSF

Interventions

None listed

Sponsors

Tern Therapeutics LLC
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
0 Years to 17 Years

Design outcomes

Primary

MeasureTime frame
Ocular and overall AEs and SAEs through Day 360

Secondary

MeasureTime frame
Change from baseline in area of EZ loss as measured by SD-OCT at Day 180, Change from baseline in area of ellipsoid zone (EZ) loss as measured by SD-OCT at Day 360, Change from baseline in central subfield PR layer thickness as measured by SD-OCT at Day 180, Change from baseline in central subfield photoreceptor (PR) layer thickness as measured by SD-OCT at Day 360, Measurement of TTX-381 TPP1 in aqueous humor at Day 90, Measurement of TTX-381 TPP1 in aqueous humor at Day 360, TTX-381 detected by qPCR in urine and tears, Anti-AAV9 antibodies in serum, ATPA in serum and CSF

Countries

Germany

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026