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RO7248824

Phase 1

Angelman Syndrome | Small molecule | Rare Disease |Roche Holding AG|Last Updated: Aug 24, 2025

Success Probability

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Market & Valuation

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Trial Design

CONTROLLED
Total Trials2
Total Enrollment95

FDA Designations

No designations recorded

Clinical trial landscape

RO7248824 · 2 trials · 1 indication

Phase 1 2
NCT04863794A Study To Assess Distribution Of RO7248824 In The Central Nervous System Following Single Intrathecal Doses Of [89zr] Labeled RO7248824 In Healthy Male ParticipantsAngelman Syndrome
COMPLETED21 Analytics
NCT04428281A Study to Investigate the Safety, Tolerability, Pharmacokinetics (PK) and Pharmacodynamics (PD) of RO7248824 in Participants With Angelman Syndrome (AS)Angelman Syndrome
COMPLETED74 Analytics
PHASE1COMPLETED
A Study To Assess Distribution Of RO7248824 In The Central Nervous System Following Single Intrathecal Doses Of [89zr] Labeled RO7248824 In Healthy Male Participants
Angelman SyndromeUnlock trial analytics
PHASE1COMPLETED
A Study to Investigate the Safety, Tolerability, Pharmacokinetics (PK) and Pharmacodynamics (PD) of RO7248824 in Participants With Angelman Syndrome (AS)
Angelman SyndromeUnlock trial analytics

Study Endpoints

Primary Endpoints

Quantification of [89Zr]DFO-RO7248824 distribution within the central nervous system (CNS)
Baseline up to 6 weeks
Frequency and Severity of Adverse Events (AEs)
Baseline to last visit or early withdrawal

MAD part: From the baseline MAD visit to the final MAD visit (Day 365) or early withdrawal. LTE part: From the baseline LTE visit to final LTE visit (Day 1092) or early withdrawal. OOE part: From baseline OOE visit to final OOE visit (Day 420) or early termination.

Frequency and Severity of Serious Adverse Events (SAEs)
Baseline to last visit or early withdrawal

MAD part: From the baseline MAD visit to the final MAD visit (Day 365) or early withdrawal. LTE part: From the baseline LTE visit to final LTE visit (Day 1092) or early withdrawal. OOE part: From baseline OOE visit to final OOE visit (Day 420) or early termination.

Number of Participants Discontinued Treatment due to AEs
Baseline to last visit or early withdrawal

MAD part: From the baseline MAD visit to the final MAD visit (Day 365) or early withdrawal. LTE part: From the baseline LTE visit to final LTE visit (Day 1092) or early withdrawal. OOE part: From baseline OOE visit to final OOE visit (Day 420) or early termination.

Frequency of Abnormal Laboratory Findings (Blood, Cerebrospinal Fluid [CSF] and Urinalysis)
Baseline to last visit or early withdrawal

MAD part: From the baseline MAD visit to the final MAD visit (Day 365) or early withdrawal. LTE part: From the baseline LTE visit to final LTE visit (Day 1092) or early withdrawal. OOE part: From baseline OOE visit to final OOE visit (Day 420) or early termination.

Frequency of Abnormal Vital Signs
Baseline to last visit or early withdrawal

MAD part: From the baseline MAD visit to the final MAD visit (Day 365) or early withdrawal. LTE part: From the baseline LTE visit to final LTE visit (Day 1092) or early withdrawal.

Frequency of Abnormal Electrocardiography (ECG) Values
Baseline to last visit or early withdrawal

MAD part: From the baseline MAD visit to the final MAD visit (Day 365) or early withdrawal. LTE part: From the baseline LTE visit to final LTE visit (Day 1092) or early withdrawal.

Mean Changes From Baseline in Temperature Over Time
Baseline to last visit or early withdrawal

MAD part: From the baseline MAD visit to the final MAD visit (Day 365) or early withdrawal. LTE part: From the baseline LTE visit to final LTE visit (Day 1092) or early withdrawal.

Mean Changes From Baseline in Systolic Blood Pressure Over Time
Baseline to last visit or early withdrawal

MAD part: From the baseline MAD visit to the final MAD visit (Day 365) or early withdrawal. LTE part: From the baseline LTE visit to final LTE visit (Day 1092) or early withdrawal.

Mean Changes From Baseline in Diastolic Blood Pressure Over Time
Baseline to last visit or early withdrawal

MAD part: From the baseline MAD visit to the final MAD visit (Day 365) or early withdrawal. LTE part: From the baseline LTE visit to final LTE visit (Day 1092) or early withdrawal.

Mean Changes From Baseline in Heartrate Over Time
Baseline to last visit or early withdrawal

MAD part: From the baseline MAD visit to the final MAD visit (D365) or early withdrawal. LTE part: From the baseline LTE visit to final LTE visit (D1092) or early withdrawal.

Mean Changes From Baseline in Respiratory Rate Over Time
Baseline to last visit or early withdrawal

MAD part: From the baseline MAD visit to the final MAD visit (Day 365) or early withdrawal. LTE part: From the baseline LTE visit to final LTE visit (Day 1092) or early withdrawal.

Secondary Endpoints

Percentage of participants with adverse events (AEs)
Baseline up to 6 weeks
Time to Maximum Concentration (Tmax) for RO7248824
Baseline to last visit or early withdrawal
Maximum Plasma Concentration Observed (Cmax) for RO7248824
Baseline to last visit or early withdrawal
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
RO7248824EXPERIMENTALIn Part 1 of the study RO7248824 and \[89Zr\]-labeled RO7248824 will be administered as a single bolus IT injection following a standard IT Administration procedure. In Part 2 of the study, it is planned to test up to 3 additional IT procedures. This part is tentative with regard to its conduct and the number of procedures that may be tested.
Cohort A1 RO7248824EXPERIMENTALParticipants 5-12 years
Cohort A2 RO7248824EXPERIMENTALParticipants 5-12 years
Cohort A3 RO7248824EXPERIMENTALParticipants 5-12 years
Cohort A4 RO7248824EXPERIMENTALParticipants 5-12 years
Cohort A5 RO7248824EXPERIMENTALParticipants 5-12 years
Cohort B1 RO7248824EXPERIMENTALParticipants 1-4 years
Cohort B2 RO7248824EXPERIMENTALParticipants 1-4 years
Cohort B3 RO7248824EXPERIMENTALParticipants 1-4 years
Cohort B4 RO7248824EXPERIMENTALParticipants 1-4 years
Cohort B5 RO7248824EXPERIMENTALParticipants 1-4 years
LTE: Cohort EA1 RO7248824EXPERIMENTALNew participants (age 5-12) enrolling directly in the LTE part
LTE: Cohort EA2 RO7248824EXPERIMENTALParticipants continuing from multiple ascending dose (MAD) cohorts A1 and A2
LTE: Cohort EA3 RO7248824EXPERIMENTALParticipants continuing from MAD cohorts A3 and A4
LTE: Cohort EA4 RO7248824EXPERIMENTALParticipants continuing from MAD Cohort A5
LTE: Cohort EB1 RO7248824EXPERIMENTALNew participants (age 1-4) enrolling directly into the LTE
LTE: Cohort EB2 RO7248824EXPERIMENTALParticipants continuing from MAD cohorts B1 and B2
LTE: Cohort EB3 RO7248824EXPERIMENTALParticipants continuing from MAD cohorts B3 and B4
LTE: Cohort EB4 RO7248824EXPERIMENTALParticipants continuing from MAD Cohort B5
OOE: RO7248824EXPERIMENTALParticipants in the LTE part of the study will be given the opportunity to participate in the OOE part.

Interventions

NameTypeDescription
RO7248824DRUGA single dose of 10 mg RO7248824 will be used for this PET study in healthy participants.
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Eligibility Criteria

Age Range25 Years to 55 Years
SexMALE
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: Informed Consent 1. Able and willing to provide written informed consent and to comply with the study protocol according to ICH and local regulations Age 2. Aged from 25 to to 55 years at the time of dosing Type of Participants and Disease Characteristics 3. Overtly hea...

Countries:NetherlandsUnited StatesItalySpain
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Frequently asked questions about RO7248824

What is RO7248824 used for?

RO7248824 is an investigational small molecule being developed for Angelman Syndrome, a rare genetic disorder. It is currently in Phase 1 clinical development and is not yet approved by regulatory authorities. The drug is being studied to evaluate its safety, tolerability, pharmacokinetics, and pharmacodynamics in participants with Angelman Syndrome.

Who makes RO7248824?

RO7248824 is being developed by Roche Holding AG, a multinational healthcare company. Roche's stock is traded under the ticker symbol RHHBY on the OTC market. The company is conducting clinical trials to investigate the drug's potential as a treatment for Angelman Syndrome.

What phase is RO7248824 in?

RO7248824 is in Phase 1 clinical development. Two Phase 1 trials have been completed, with a total enrollment of 95 participants. The drug is investigational and has not received FDA approval. It is being studied for the treatment of Angelman Syndrome, a rare neurodevelopmental disorder.

What clinical trials is RO7248824 in?

RO7248824 has been studied in two completed Phase 1 clinical trials. The first trial, NCT04428281, evaluated the safety, tolerability, pharmacokinetics, and pharmacodynamics of the drug in 74 participants with Angelman Syndrome across the United States, Italy, Netherlands, and Spain. The second trial, NCT04863794, assessed the distribution of the drug in the central nervous system following single intrathecal doses in 21 healthy male participants in the Netherlands.

Is RO7248824 FDA approved?

RO7248824 is not FDA approved. It is an investigational drug currently in Phase 1 clinical development for Angelman Syndrome. The drug has completed two Phase 1 trials, but it has not yet progressed to later-stage trials or received regulatory approval. Its safety and efficacy have not been established.