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Trial · NCT01648205

Long-term Efficacy Study of Sodium Channel Blocker in LQT3 Patients

NCT01648205, Phase 2, Completed, University of Rochester; results first posted 2022-04-07

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. Long-term Efficacy Study of Sodium Channel Blocker in LQT3 Patients. Trials, record NCT01648205. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT01648205

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Trial

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

Title
Long-term Efficacy Study of Sodium Channel Blocker in LQT3 Patients
NCT number
NCT01648205
Status
Completed
Phases
Phase 2
Enrollment
25 participants, actual
Lead sponsor
University of Rochester
Conditions
Long QT Syndrome
Interventions
Placebo, Ranolazine
First posted
2012-07-24
Last updated
2022-04-07
Results first posted
2022-04-07

Source ClinicalTrials.gov

Registered outcomes2

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

ListOutcomeTime frameDescription
PrimaryChange in QTc Duration at 2 Months1 month to 2 monthsChange in QTc at 2 months on ranolazine vs. at 1 month on placebo. This was prespecified outcome.
SecondaryChange in QTc at 6 Months1 month to 6 monthsChange in QTc at 6 months on ranolazine vs. at 1 month on placebo. This was prespecified outcome.

Outcomes2

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

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYChange in QTc Duration at 2 Months1 month to 2 monthsmilisecondsMEAN
SECONDARYChange in QTc at 6 Months1 month to 6 monthsmilisecondsMEAN

Results by group4

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

OutcomeGroupCategoryValueSpreadUnits
Change in QTc Duration at 2 MonthsPlacebo503Standard Deviation 46miliseconds
Change in QTc Duration at 2 MonthsRanolazine at 2 Months497Standard Deviation 47miliseconds
Change in QTc at 6 MonthsPlacebo504Standard Deviation 53miliseconds
Change in QTc at 6 MonthsRanolazine at 6 Months501Standard Deviation 49miliseconds

Participant flow6

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

PeriodMilestoneGroupParticipantsUnits counted
PlaceboSTARTEDPlacebo25
PlaceboCOMPLETEDPlacebo21
PlaceboNOT COMPLETEDPlacebo4
RanolazineSTARTEDPlacebo23
RanolazineCOMPLETEDPlacebo18
RanolazineNOT COMPLETEDPlacebo5

Adverse events4

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

TypeEventOrgan systemGroupAffectedAt riskEvents
otherDizzinessNervous system disordersRanolazine3253
otherDizzinessNervous system disordersPlacebo0250
seriousVentricular FibrillationCardiac disordersRanolazine2252
seriousVentricular FibrillationCardiac disordersPlacebo0250

Adverse event totals6

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityRanolazine125
Total, all-cause mortalityPlacebo025
Total, other adverse eventsRanolazine325
Total, other adverse eventsPlacebo025
Total, serious adverse eventsRanolazine225
Total, serious adverse eventsPlacebo025

Papers5

The papers the trial lists on ClinicalTrials.gov.

PMIDListed asSource
8521555BACKGROUNDPubMed
9753711BACKGROUNDPubMed
10758053BACKGROUNDPubMed
12849668BACKGROUNDPubMed
18662191BACKGROUNDPubMed

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 comparisons2

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

ComparisonSource
Ranolazine vs Placebo: deaths from any causeTrial comparisons
Ranolazine vs Placebo: serious adverse eventsTrial comparisons

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/NCT01648205

GET https://conductscience.org/api/trials/v1/NCT01648205/registered