Subacute clinical trial of a suprachoroidal-transretinal stimulation system

Subacute clinical trial of a suprachoroidal-transretinal stimulation system - Clinical trial of an artificial vision system

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000002208

Enrollment

Registered

2009-09-01

Start date

2009-09-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

retinitis pigmentosa

Interventions

artificial vision system

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: patients with retinitis pigmentosa whose visual acuity are hand motion, light perception, or no light perception.

Exclusion criteria

Exclusion criteria: patients whose visual acuity are better than hand motion or who can not find phosphenes by electrical stimulation through cornea.

Design outcomes

Primary

Measure	Time frame
To determine if the phosphene could be elicited by suprachoroidal-transretinal stimulation in patients with retinitis pigmentosa and to study the complications such as inflammation by using this system.	—

Countries

Japan

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026