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Trial · NCT01390077

Nitisinone (NTBC) In Different Age Groups Of Patients With Alkaptonuria

NCT01390077, Phase 2, Phase 3, Completed, University of California, San Diego; results first posted 2021-04-22

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. Nitisinone (NTBC) In Different Age Groups Of Patients With Alkaptonuria. Trials, record NCT01390077. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT01390077

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Trial

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

Title
Nitisinone (NTBC) In Different Age Groups Of Patients With Alkaptonuria
NCT number
NCT01390077
Status
Completed
Phases
Phase 2, Phase 3
Enrollment
8 participants, actual
Lead sponsor
University of California, San Diego
Conditions
Alkaptonuria
Interventions
Nitisinone
First posted
2011-07-08
Last updated
2021-04-22
Results first posted
2021-04-22

Source ClinicalTrials.gov

Registered outcomes2

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

ListOutcomeTime frameDescription
PrimaryHomogentisic Acid Excretion3-6 monthsUrine homogentisic acid (umol/mmol creatinine)
SecondaryTyrosine Levels3-6 monthsPlasma tyrosine (uM)

Outcomes2

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

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYHomogentisic Acid Excretion3-6 monthsuMMEAN
SECONDARYTyrosine Levels3-6 monthsuMMEAN

Results by group6

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

OutcomeGroupCategoryValueSpreadUnits
Homogentisic Acid ExcretionHGA, Baseline1425.9Standard Deviation 678.3uM
Homogentisic Acid ExcretionHGA, 2 mg/d Nitisinone113.1Standard Deviation 70.9uM
Homogentisic Acid ExcretionHGA, 4 mg Nitisinone34.0Standard Deviation 12.9uM
Tyrosine LevelsTyrosine, Baseline53.1Standard Deviation 14.8uM
Tyrosine LevelsTyrosine, 2 mg/d Nitisinone668.7Standard Deviation 114.7uM
Tyrosine LevelsTyrosine, 4 mg Nitisinone703.7Standard Deviation 120.8uM

Participant flow4

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

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDNitisinone8
Overall StudyTreatmentNitisinone7
Overall StudyCOMPLETEDNitisinone7
Overall StudyNOT COMPLETEDNitisinone1

Adverse events2

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

TypeEventOrgan systemGroupAffectedAt riskEvents
otherOcular irritationEye disordersNitisinone27
otherAbdominal discomfortGastrointestinal disordersNitisinone17

Adverse event totals3

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityNitisinone07
Total, other adverse eventsNitisinone37
Total, serious adverse eventsNitisinone07

Papers5

The papers the trial lists on ClinicalTrials.gov.

PMIDListed asSource
12501223BACKGROUNDPubMed
15931605BACKGROUNDPubMed
21620748BACKGROUNDPubMed
25665838RESULTPubMed
25680927BACKGROUNDPubMed

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/NCT01390077

GET https://conductscience.org/api/trials/v1/NCT01390077/registered