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A Study in Subjects With Retinitis Pigmentosa

An Open-label, Phase II Study of ADX-2191 in Subjects With Retinitis Pigmentosa

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05392179
Enrollment
8
Registered
2022-05-26
Start date
2022-07-14
Completion date
2023-06-23
Last updated
2026-04-23

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

Conditions

Retinitis Pigmentosa

Keywords

ADX-2191, Methotrexate, Retinitis Pigmentosa, Rhodopsin Mutation P23H

Brief summary

An open-label Phase II clinical trial, 8 (eight) subjects with retinitis pigmentosa due to rhodopsin mutations (including P23H) will be identified and treated with serial intravitreal injections of ADX-2191 in the worse seeing eye. Ocular structure and function will be evaluated.

Interventions

DRUGADX-2191

Monthly intravitreal injections of ADX-2191 (400 µg in 0.05 mL) for a total of three injections. Evaluation through week 16.

Sponsors

Aldeyra Therapeutics, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Up to 8 adult patients age 18 or older 2. Diagnosis of retinitis pigmentosa due to rhodopsin gene mutation, including P23H 3. Impairment on Visual Field as determined by perimetry

Exclusion criteria

1. Age \< 18 years 2. Pregnant 3. Previous inflammatory/infectious events involving the eyes

Design outcomes

Primary

MeasureTime frameDescription
Number of Subjects With Serious Adverse EventsThe safety assessment period was 16 weeks.The proportion of subjects that experience at least one serious adverse event

Countries

United States

Baseline characteristics

Characteristic
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
1 Participants
Age, Categorical
Between 18 and 65 years
5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
4 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
1 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
0 Participants
Race (NIH/OMB)
Black or African American
0 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
White
8 Participants
Region of Enrollment
United States
8 Participants
Sex: Female, Male
Female
5 Participants
Sex: Female, Male
Male
2 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 40 / 4
other
Total, other adverse events
3 / 43 / 4
serious
Total, serious adverse events
0 / 40 / 4

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Apr 24, 2026