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Trial · NCT01303406

Patient Reported Outcomes in Friedreich's Ataxia Patients After Withdrawal From Treatment With Idebenone (PROTI)

NCT01303406, Phase 3, Completed, Santhera Pharmaceuticals; results first posted 2016-03-09

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. Patient Reported Outcomes in Friedreich's Ataxia Patients After Withdrawal From Treatment With Idebenone (PROTI). Trials, record NCT01303406. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT01303406

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Trial

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

Title
Patient Reported Outcomes in Friedreich's Ataxia Patients After Withdrawal From Treatment With Idebenone (PROTI)
NCT number
NCT01303406
Status
Completed
Phases
Phase 3
Enrollment
29 participants, actual
Lead sponsor
Santhera Pharmaceuticals
Conditions
Friedreich's Ataxia
Interventions
Idebenone, Placebo
First posted
2011-02-24
Last updated
2016-03-09
Results first posted
2016-03-09

Source ClinicalTrials.gov

Registered outcomes2

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

ListOutcomeTime frameDescription
PrimaryPatient Assessment of Treatment Assignment: Comparison of the Proportions of Patients Randomised to Idebenone and Placebo Who Assessed That They Received IdebenoneAt 2 months after study startThe primary efficacy endpoint was the comparison of the number of patients randomized to idebenone and placebo, who assessed that they received idebenone treatment.
SecondaryComparison of the Percentage of Participants Randomised to Idebenone and Placebo Who Withdrew Early Due to Recurrence or Worsening of FRDA SymptomsWithin 2 months (i.e. Early withdrawal visit)There was no Withdrawal due to recurrence or worsening of FRDA symptoms

Outcomes2

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

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYPatient Assessment of Treatment Assignment: Comparison of the Proportions of Patients Randomised to Idebenone and Placebo Who Assessed That They Received IdebenoneAt 2 months after study startparticipantsNUMBER
SECONDARYComparison of the Percentage of Participants Randomised to Idebenone and Placebo Who Withdrew Early Due to Recurrence or Worsening of FRDA SymptomsWithin 2 months (i.e. Early withdrawal visit)percentage of patientsNUMBER

Results by group4

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

OutcomeGroupCategoryValueSpreadUnits
Patient Assessment of Treatment Assignment: Comparison of the Proportions of Patients Randomised to Idebenone and Placebo Who Assessed That They Received IdebenonePlacebo6participants
Patient Assessment of Treatment Assignment: Comparison of the Proportions of Patients Randomised to Idebenone and Placebo Who Assessed That They Received IdebenoneIdebenone8participants
Comparison of the Percentage of Participants Randomised to Idebenone and Placebo Who Withdrew Early Due to Recurrence or Worsening of FRDA SymptomsPlacebo0percentage of patients
Comparison of the Percentage of Participants Randomised to Idebenone and Placebo Who Withdrew Early Due to Recurrence or Worsening of FRDA SymptomsIdebenone0percentage of patients

Participant flow6

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

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDPlacebo13
Overall StudySTARTEDIdebenone16
Overall StudyCOMPLETEDPlacebo13
Overall StudyCOMPLETEDIdebenone15
Overall StudyNOT COMPLETEDPlacebo0
Overall StudyNOT COMPLETEDIdebenone1

Adverse events28

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

TypeEventOrgan systemGroupAffectedAt riskEvents
otherFallInjury, poisoning and procedural complicationsPlacebo313
otherFallInjury, poisoning and procedural complicationsIdebenone316
otherFatigueGeneral disordersPlacebo013
otherFatigueGeneral disordersIdebenone316
otherDiarrheaGastrointestinal disordersPlacebo013
otherDiarrheaGastrointestinal disordersIdebenone216
otherSpeech disorderNervous system disordersPlacebo213
otherSpeech disorderNervous system disordersIdebenone216
otherPainGeneral disordersPlacebo113
otherPainGeneral disordersIdebenone116

Adverse event totals6

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityPlacebo
Total, all-cause mortalityIdebenone
Total, other adverse eventsPlacebo913
Total, other adverse eventsIdebenone1216
Total, serious adverse eventsPlacebo013
Total, serious adverse eventsIdebenone116

Papers0

The papers the trial lists on ClinicalTrials.gov.

None in this release.

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
Idebenone vs Placebo: Patient Assessment of Treatment Assignment: Comparison of the Proportions of Patients Randomised to Idebenone and Placebo Who Assessed That They Received IdebenoneTrial comparisons
Idebenone 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/NCT01303406

GET https://conductscience.org/api/trials/v1/NCT01303406/events?page=2