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Trial · NCT01607073

Verapamil as Therapy for Children and Young Adults With Dravet Syndrome

NCT01607073, Phase 2, Completed, Gillette Children's Specialty Healthcare; results first posted 2021-03-23

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. Verapamil as Therapy for Children and Young Adults With Dravet Syndrome. Trials, record NCT01607073. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT01607073

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Trial

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

Title
Verapamil as Therapy for Children and Young Adults With Dravet Syndrome
NCT number
NCT01607073
Status
Completed
Phases
Phase 2
Enrollment
2 participants, actual
Lead sponsor
Gillette Children's Specialty Healthcare
Conditions
Dravet Syndrome
Interventions
Verapamil
First posted
2012-05-28
Last updated
2021-04-13
Results first posted
2021-03-23

Source ClinicalTrials.gov

Registered outcomes3

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

ListOutcomeTime frameDescription
PrimaryChange in Number of General Tonic-clonic Seizures From Week 8 (Baseline) Visit to Week 12 VisitWeek 8 (baseline) to Week 12
The primary study endpoint is the change in number of seizures from baseline. Since we only had one participant finish the study, the endpoint was changed to Week 12 visit. Participants were on verapamil for 4 weeks at Week 12.
SecondaryChange in Number of Myoclonic Seizures From Week 8 (Baseline) to Week 12Week 8 (baseline) to Week 12The secondary outcome is the change in number of myoclonic seizures between baseline Week 8 visit and Week 12 visit.
SecondaryChange in Number of Absence Seizures From Week 8 (Baseline) to Week 12Week 8 to Week 12The secondary outcome measure is the change in number of absence seizures from Week 8 (Baseline) to Week 12

Outcomes3

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

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYChange in Number of General Tonic-clonic Seizures From Week 8 (Baseline) Visit to Week 12 VisitWeek 8 (baseline) to Week 12Change in number of general tonic-clonic seizures between Week 8 (baseline) and Week 12 visits.General tonic-clonic seizuresNUMBER
SECONDARYChange in Number of Myoclonic Seizures From Week 8 (Baseline) to Week 12Week 8 (baseline) to Week 12
Participant's collected number of myoclonic seizures at Week 8 visit (baseline) prior to taking verapamil and at Week 12 after 4 weeks of taking verapamil. This participant was the only participant who had seizure types other than general tonic-clonic seizures.
Myoclonic seizuresNUMBER
SECONDARYChange in Number of Absence Seizures From Week 8 (Baseline) to Week 12Week 8 to Week 12Number of Abscence seizures from Week 8 (baseline) to Week 12 visits.Abscence seizuresNUMBER

Results by group6

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

OutcomeGroupCategoryValueSpreadUnits
Change in Number of General Tonic-clonic Seizures From Week 8 (Baseline) Visit to Week 12 VisitWeek 8 Baseline39General tonic-clonic seizures
Change in Number of General Tonic-clonic Seizures From Week 8 (Baseline) Visit to Week 12 VisitWeek 12 Verapamil 4mg/kg/Day14General tonic-clonic seizures
Change in Number of Myoclonic Seizures From Week 8 (Baseline) to Week 12Week 8 Baseline116Myoclonic seizures
Change in Number of Myoclonic Seizures From Week 8 (Baseline) to Week 12Week 12 Verapamil 4mg/kg/Day175Myoclonic seizures
Change in Number of Absence Seizures From Week 8 (Baseline) to Week 12Week 8 Baseline165Abscence seizures
Change in Number of Absence Seizures From Week 8 (Baseline) to Week 12Week 12 Verapamil 4mg/kg/Day101Abscence seizures

Participant flow3

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

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDAdjunctive Verapamil2
Overall StudyCOMPLETEDAdjunctive Verapamil1
Overall StudyNOT COMPLETEDAdjunctive Verapamil1

Adverse events4

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

TypeEventOrgan systemGroupAffectedAt riskEvents
otherInsomniaNervous system disordersOpen Label Adjunctive Add on121
otherRashSkin and subcutaneous tissue disordersOpen Label Adjunctive Add on121
otherDroolingNervous system disordersOpen Label Adjunctive Add on121
seriousSeizureNervous system disordersOpen Label Adjunctive Add on121

Adverse event totals3

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityOpen Label Adjunctive Add on
Total, other adverse eventsOpen Label Adjunctive Add on22
Total, serious adverse eventsOpen Label Adjunctive Add on12

Papers36

The papers the trial lists on ClinicalTrials.gov.

PMIDListed asSource
1505606BACKGROUNDPubMed
3252045BACKGROUNDPubMed
3391002BACKGROUNDPubMed
3802708BACKGROUNDPubMed
4015695BACKGROUNDPubMed
6107238BACKGROUNDPubMed
6120710BACKGROUNDPubMed
6340050BACKGROUNDPubMed
6529527BACKGROUNDPubMed
6795914BACKGROUNDPubMed

1 to 10 of 36

See all 36 papers

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/NCT01607073

GET https://conductscience.org/api/trials/v1/NCT01607073/papers?page=2