ConductScience.org, home

Trial · NCT04428281

A Study to Investigate the Safety, Tolerability, Pharmacokinetics (PK) and Pharmacodynamics (PD) of RO7248824 in Participants With Angelman Syndrome (AS)

NCT04428281, Phase 1, Completed, Hoffmann-La Roche

3 sourcestrials-2026-11-12-0.5.0

Download JSON
Cite this record

ConductScience Library. A Study to Investigate the Safety, Tolerability, Pharmacokinetics (PK) and Pharmacodynamics (PD) of RO7248824 in Participants With Angelman Syndrome (AS). Trials, record NCT04428281. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT04428281

On this page

Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
A Study to Investigate the Safety, Tolerability, Pharmacokinetics (PK) and Pharmacodynamics (PD) of RO7248824 in Participants With Angelman Syndrome (AS)
NCT number
NCT04428281
Status
Completed
Phases
Phase 1
Enrollment
74 participants, actual
Lead sponsor
Hoffmann-La Roche
Conditions
Angelman Syndrome
Interventions
RO7248824
First posted
2020-06-11
Last updated
2025-08-24
Other registries' IDs
eudract:2019-003787-48

Source ClinicalTrials.gov

Registered outcomes15

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryFrequency 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.
PrimaryFrequency 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.
PrimaryNumber of Participants Discontinued Treatment due to AEsBaseline 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.
PrimaryFrequency 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.
PrimaryFrequency of Abnormal Vital SignsBaseline to last visit or early withdrawalMAD 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.
PrimaryFrequency of Abnormal Electrocardiography (ECG) ValuesBaseline to last visit or early withdrawalMAD 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.
PrimaryMean Changes From Baseline in Temperature Over TimeBaseline to last visit or early withdrawalMAD 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.
PrimaryMean Changes From Baseline in Systolic Blood Pressure Over TimeBaseline to last visit or early withdrawalMAD 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.
PrimaryMean Changes From Baseline in Diastolic Blood Pressure Over TimeBaseline to last visit or early withdrawalMAD 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.
PrimaryMean Changes From Baseline in Heartrate Over TimeBaseline to last visit or early withdrawalMAD 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.

Outcomes0

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

None in this release.

Results by group0

Each measurement the trial posted, group by group, in the words and numbers it posted.

None in this release.

Participant flow0

How many started, completed or left each group, period by period.

None in this release.

Adverse events0

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

None in this release.

Adverse event totals0

The totals the trial posted for each group.

None in this release.

Papers1

The papers the trial lists on ClinicalTrials.gov.

PMIDListed as
40646322DERIVED

Source PubMed

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT04428281

GET https://conductscience.org/api/trials/v1/NCT04428281/registered