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Trial · NCT00528268

Study to Evaluate Sodium Phenylbutyrate in Pre-symptomatic Infants With Spinal Muscular Atrophy

NCT00528268, Phase 1, Phase 2, Completed, University of Utah; results first posted 2015-07-03

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. Study to Evaluate Sodium Phenylbutyrate in Pre-symptomatic Infants With Spinal Muscular Atrophy. Trials, record NCT00528268. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT00528268

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Trial

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

Title
Study to Evaluate Sodium Phenylbutyrate in Pre-symptomatic Infants With Spinal Muscular Atrophy
NCT number
NCT00528268
Status
Completed
Phases
Phase 1, Phase 2
Enrollment
22 participants, actual
Lead sponsor
University of Utah
Conditions
Spinal Muscular Atrophy
Interventions
Sodium phenylbutyrate
First posted
2007-09-12
Last updated
2025-02-28
Results first posted
2015-07-03

Source ClinicalTrials.gov

Registered outcomes1

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

ListOutcomeTime frameDescription
PrimarySafety and Tolerability of Sodium Phenylbutyrate in Neonates and Infants With SMA24 monthsThe number of participants able to achieve specific developmental milestones, such as sitting unsupported or walking independently, during the study period.

Outcomes1

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

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYSafety and Tolerability of Sodium Phenylbutyrate in Neonates and Infants With SMA24 monthsParticipantsCOUNT_OF_PARTICIPANTS

Results by group4

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

OutcomeGroupCategoryValueSpreadUnits
Safety and Tolerability of Sodium Phenylbutyrate in Neonates and Infants With SMACohort 1Able to sit unsupported1Participants
Safety and Tolerability of Sodium Phenylbutyrate in Neonates and Infants With SMACohort 2Able to sit unsupported8Participants
Safety and Tolerability of Sodium Phenylbutyrate in Neonates and Infants With SMACohort 1Able to walk independently0Participants
Safety and Tolerability of Sodium Phenylbutyrate in Neonates and Infants With SMACohort 2Able to walk independently1Participants

Participant flow6

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

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDCohort 16
Overall StudySTARTEDCohort 28
Overall StudyCOMPLETEDCohort 15
Overall StudyCOMPLETEDCohort 27
Overall StudyNOT COMPLETEDCohort 11
Overall StudyNOT COMPLETEDCohort 21

Adverse events106

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

TypeEventOrgan systemGroupAffectedAt riskEvents
otherSerous Otitis Media BilateralInfections and infestationsCohort 1466
otherSerous Otitis Media BilateralInfections and infestationsCohort 2384
otherEye InfectionInfections and infestationsCohort 1161
otherEye InfectionInfections and infestationsCohort 2182
otherUpper Respiratory InfectionInfections and infestationsCohort 1262
otherUpper Respiratory InfectionInfections and infestationsCohort 2384
otherFlu symptomsInfections and infestationsCohort 1262
otherFlu symptomsInfections and infestationsCohort 25810
otherRhinitisInfections and infestationsCohort 1262
otherRhinitisInfections and infestationsCohort 2181

Adverse event totals6

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityCohort 1
Total, all-cause mortalityCohort 2
Total, other adverse eventsCohort 166
Total, other adverse eventsCohort 288
Total, serious adverse eventsCohort 166
Total, serious adverse eventsCohort 278

Papers0

The papers the trial lists on ClinicalTrials.gov.

None in this release.

Grants1

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.

ProjectTitlePrincipal investigatorsOrganizationFunderFiscal years
R01HD054599Therapeutic Opportunities in Spinal Muscular AtrophySWOBODA, KATHRYN J.UNIVERSITY OF UTAHEUNICE KENNEDY SHRIVER NATIONAL INSTITUTE OF CHILD HEALTH & HUMAN DEVELOPMENT2007 to 2011

Trial comparisons1

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

Comparison
Cohort 1 vs Cohort 2: serious adverse events

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/NCT00528268

GET https://conductscience.org/api/trials/v1/NCT00528268/events?page=2