Trial for retinitis pigmentosa with oral 9-cis beta-carotene

Trial for retinitis pigmentosa with oral 9-cis beta-carotene - The Dunaliella bardawil in patient with retinitis pigmentosa

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000005510

Enrollment

Registered

2011-05-01

Start date

2011-05-01

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

Oral Dunaliella

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: typical retinitis pigmentosa

Exclusion criteria

Exclusion criteria: history using of the beta-carotene

Design outcomes

Primary

Measure	Time frame
Humphrey field analyzer	—

Secondary

Measure	Time frame
Electroretinogram	—

Countries

Japan

Outcome results

None listed

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