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RL-007

Phase 2

Cognitive Impairment | Small molecule | Neurology |AtaiBeckley Inc.|Trials Updated: Jul 30, 2025

RL-007 development status

Highest phase Phase 2
Registered trials 1 across 1 sponsor since Mar 2001

RL-007 target and mechanism

ModalitySmall molecule

Also known as RL-007 (Inidascamine)

Success Probability

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Market & Valuation

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Trial Design

PLACEBO_CONTROLLEDDMC
Total Trials2
Total Enrollment279

FDA Designations

No designations recorded

RL-007 clinical trials

RL-007 · 2 trials · 3 indications

Phase 2 2
NCT05686239A Study to Evaluate RL-007 in the Treatment of Cognitive Impairment Associated With Schizophrenia (CIAS)Cognitive Impairment Associated With Schizophrenia (CIAS)
COMPLETED242 Analytics
NCT04822883Safety, Biomarker Study of RL-007 in Subjects With SchizophreniaCognitive Impairment
COMPLETED37 Analytics
PHASE2COMPLETED
A Study to Evaluate RL-007 in the Treatment of Cognitive Impairment Associated With Schizophrenia (CIAS)
Cognitive Impairment Associated With Schizophrenia (CIAS)Unlock trial analytics
PHASE2COMPLETED
Safety, Biomarker Study of RL-007 in Subjects With Schizophrenia
Cognitive ImpairmentUnlock trial analytics

Study Endpoints

Primary Endpoints

MATRICS Consensus Cognitive Battery (MCCB) neurocognitive composite
6 weeks

change from baseline in composite of nine cognitive tests

Incidence of Treatment-emergent Adverse Events (TEAE)
Study Day 8.

Comparison of AE rates between active and placebo dosing

Change in blood pressure (systolic and diastolic) from baseline
Study Day 4

blood pressure measured in mmHg; baseline = Day -1

Change in heart rate from baseline
Study Day 4

heart rate measured in beats per minute; baseline = Day -1

Change in respiratory rate from baseline
Study Day 4

respiratory rate measured in breaths per minute; baseline = Day -1

Change in temperature from baseline
Study Day 4

temperature measured in degrees Celsius; baseline = Day -1

Change in electrocardiogram (ECG) from baseline
Study Day 3

overall physician interpretation of ECG reading; baseline = Day -1

Change in the Columbia Suicide Severity Rating Scale (C-SSRS) from baseline
Study Day 8

The C-SSRS assesses suicidal ideation and behavior; baseline = Day -1

Secondary Endpoints

Symbol Coding
6 weeks
The Speed of Processing domain of the MCCB
6 weeks
The Attention/Vigilance domain of the MCCB
6 weeks
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
RL-007 20 mg (Inidascamine)EXPERIMENTALoral dosing three times per day (TID)
RL-007 40 mg (Inidascamine)EXPERIMENTALoral dosing three times per day (TID)
PlaceboPLACEBO_COMPARATORoral dosing three times per day (TID)
Dose-escalation - RL-007EXPERIMENTALEach cohort will include a single dose-strength. Within each cohort, the sequence of active capsules and matching placebo capsules will be varied and unknown to the participant.
Dose-escalation - matching PlaceboPLACEBO_COMPARATORWithin each cohort, the sequence of active capsules and matching placebo capsules will be varied and unknown to the participant.

Interventions

NameTypeDescription
RL-007 (Inidascamine)DRUGinvestigational study drug
PlaceboDRUGplacebo capsules matching the appearance and size of the active drug
RL-007DRUGCohorts are 10 mg, 20 mg, 40 mg, and 80 mg with TID dosing
RL-007 Matching PlaceboDRUGCohorts are 10 mg, 20 mg, 40 mg, and 80 mg with TID dosing
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Eligibility Criteria

Age Range18 Years to 55 Years
SexALL
Healthy VolunteersNo
Study Sites36

Key Inclusion Criteria: * Diagnosis of schizophrenia, per Diagnostic and Statistical Manual (DSM) 5, with a duration of at least 6 months * Positive and Negative Symptoms Severity Score (PANSS) of less than or equal to 80 (inclusive) * Currently treated on a single atypical antipsychotic (other tha...

Countries:United StatesBulgariaCzechiaPoland
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Frequently asked questions about RL-007

What is RL-007?

RL-007 is an investigational small molecule developed by AtaiBeckley Inc. (ticker ATAI) for cognitive impairment, including cognitive impairment associated with schizophrenia (CIAS). It is in Phase 2 clinical development and is not approved for any indication. It has also been studied in adults with schizophrenia.

What is RL-007 used for in cognitive impairment associated with schizophrenia?

RL-007 is being developed to treat cognitive impairment associated with schizophrenia (CIAS), a condition in which people with schizophrenia experience deficits in attention, memory, and executive function. It is investigational and has not been approved for this or any other use. Its clinical program also covers cognitive impairment more broadly.

Who makes RL-007?

RL-007 is developed by AtaiBeckley Inc., which trades under the ticker ATAI. The company is the sponsor of the clinical program evaluating RL-007 in cognitive impairment and cognitive impairment associated with schizophrenia.

What phase is RL-007 in?

RL-007 is in Phase 2 clinical development. Two Phase 2 trials have been completed, and no active trials are currently listed. The drug remains investigational and has not been approved by the FDA or any other regulatory agency for cognitive impairment or cognitive impairment associated with schizophrenia.

What clinical trials is RL-007 in?

RL-007 has been evaluated in two completed Phase 2 trials. NCT05686239 studied RL-007 in cognitive impairment associated with schizophrenia across the United States, Bulgaria, Czechia, and Poland, enrolling 242 participants. NCT04822883 was a safety and biomarker study in 37 subjects with schizophrenia conducted in the United States.

Is RL-007 the same as inidascamine?

Yes. RL-007 is also known as inidascamine, so the two names refer to the same investigational compound. Searches for either name lead to the same Phase 2 program in cognitive impairment and cognitive impairment associated with schizophrenia being run by AtaiBeckley Inc. (ticker ATAI).