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Trial · NCT03000348

A Study of the Dosing, Efficacy, and Safety of Oral Cysteamine in Adult Patients With Cystic Fibrosis Exacerbations

NCT03000348, Phase 2, Completed, NovaBiotics Ltd.; results first posted 2021-04-14

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. A Study of the Dosing, Efficacy, and Safety of Oral Cysteamine in Adult Patients With Cystic Fibrosis Exacerbations. Trials, record NCT03000348. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT03000348

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Trial

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

Title
A Study of the Dosing, Efficacy, and Safety of Oral Cysteamine in Adult Patients With Cystic Fibrosis Exacerbations
NCT number
NCT03000348
Status
Completed
Phases
Phase 2
Enrollment
91 participants, actual
Lead sponsor
NovaBiotics Ltd.
Conditions
Cystic Fibrosis
Interventions
Cysteamine, Placebo Oral Capsule
First posted
2016-12-22
Last updated
2021-04-14
Results first posted
2021-04-14

Source ClinicalTrials.gov

Registered outcomes14

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

ListOutcomeTime frameDescription
PrimaryChange From Baseline in Sputum Bacterial LoadBaseline through Day 21/End of StudyChange from baseline through to Day 21 in log10 cfu/ml transformed total gram negative sputum bacterial load
PrimarySafety and Tolerability Assessed by the Number of Subjects With Adverse EventsBaseline through Day 21/End of StudyAssessed by variables such as adverse events (AEs), laboratory assessments, physical examinations, and vital signs.
SecondaryChange From Baseline in Neutrophil Elastase LevelsBaseline through Day 21/End of StudyActual values and change from baseline in neutrophil elastase levels were summarized using descriptive statistics by visit for each treatment group and each TDD group for the ITT Population.
SecondaryChange From Baseline in Sputum IL8Baseline through Day 21/End of StudySputum IL-8 Levels by Visit - Covariate Adjusted ANCOVA with Observed Data ITT Population
SecondaryChange From Baseline in FEV1Baseline through Day 21/End of StudyChange from Baseline in FEV1 Percent Predicted (%) - Covariate Adjusted ANCOVA with Observed Data ITT Population
SecondaryChange From Baseline in BMIBaseline through Day 21/End of StudyBMI (kg/m\^2) by Visit - ANCOVA with Observed Data ITT Population
SecondaryChange From Baseline in C-Reactive ProteinBaseline through Day 21Change from baseline in C-Reactive Protein at visits 7, 14 and 21
SecondaryChange From Baseline in Blood Leukocyte CountBaseline through Day 21/End of StudyBlood Leukocyte Count (10\^9 leucocytes/L) by Visit - ANCOVA with Observed Data ITT Population
SecondaryAssessment of Blood Cysteamine LevelsDay 14Study Drug Plasma at Day 14 Safety Population
SecondaryAssessment of Sputum Cysteamine LevelsDay 14Study Drug Sputum Concentrations at Day 14 Safety Population

Outcomes14

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

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYChange From Baseline in Sputum Bacterial LoadBaseline through Day 21/End of StudyIntention to treat populationlog 10 cfu/mlMEAN
PRIMARYSafety and Tolerability Assessed by the Number of Subjects With Adverse EventsBaseline through Day 21/End of StudySummary of participant reported adverse events (AEs) by study groupparticipantsNUMBER
SECONDARYChange From Baseline in Neutrophil Elastase LevelsBaseline through Day 21/End of StudyNeutrophil Elastase Levels by Visit - Covariate Adjusted ANCOVA with Observed Data ITT Populationng/mLMEAN
SECONDARYChange From Baseline in Sputum IL8Baseline through Day 21/End of StudyITT Populationpg/mLMEAN
SECONDARYChange From Baseline in FEV1Baseline through Day 21/End of StudyChange from Baseline in FEV1 Percent Predicted (%) - Covariate Adjusted ANCOVA with Observed Data ITT Populationpercentage of predictedMEAN
SECONDARYChange From Baseline in BMIBaseline through Day 21/End of StudyITTkg/m^2 for BMIMEAN
SECONDARYChange From Baseline in C-Reactive ProteinBaseline through Day 21CRP by visit ANCOVA with observed data ITT populationnmol/LMEAN
SECONDARYChange From Baseline in Blood Leukocyte CountBaseline through Day 21/End of StudyITT10^9 leucocytes/LMEAN
SECONDARYAssessment of Blood Cysteamine LevelsDay 14Safety populationng/mlMEAN
SECONDARYAssessment of Sputum Cysteamine LevelsDay 14Safety Population - there are fewer numbers of patients due to the inability of some patients to provide sputum samplesng/mlMEAN

Results by group306

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

OutcomeGroupCategoryValueSpreadUnits
Change From Baseline in Sputum Bacterial LoadPlaceboDay 7 change from baseline-2.1Standard Deviation 2.887log 10 cfu/ml
Change From Baseline in Sputum Bacterial Load450mg, Once Per DayDay 7 change from baseline-1.03Standard Deviation 3.124log 10 cfu/ml
Change From Baseline in Sputum Bacterial Load150mg, Three Times Per DayDay 7 change from baseline-1.28Standard Deviation 1.978log 10 cfu/ml
Change From Baseline in Sputum Bacterial Load450mg, Twice Per DayDay 7 change from baseline-1.7Standard Deviation 2.439log 10 cfu/ml
Change From Baseline in Sputum Bacterial Load300mg, Three Times Per DayDay 7 change from baseline-1.03Standard Deviation 1.997log 10 cfu/ml
Change From Baseline in Sputum Bacterial LoadHigh Dose, Three Times Per DayDay 7 change from baseline-0.25Standard Deviation 2.228log 10 cfu/ml
Change From Baseline in Sputum Bacterial LoadPlaceboDay 14 change from baseline-1.38Standard Deviation 2.291log 10 cfu/ml
Change From Baseline in Sputum Bacterial Load450mg, Once Per DayDay 14 change from baseline0.12Standard Deviation 2.045log 10 cfu/ml
Change From Baseline in Sputum Bacterial Load150mg, Three Times Per DayDay 14 change from baseline-1.24Standard Deviation 2.686log 10 cfu/ml
Change From Baseline in Sputum Bacterial Load450mg, Twice Per DayDay 14 change from baseline-1.32Standard Deviation 2.298log 10 cfu/ml

Participant flow24

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

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDPlacebo17
Overall StudySTARTED450mg, Once Per Day11
Overall StudySTARTED150mg, Three Times Per Day15
Overall StudySTARTED450mg, Twice Per Day15
Overall StudySTARTED300mg, Three Times Per Day16
Overall StudySTARTED450mg, Three Times Per Day15
Overall StudyDay 14 Treatment PeriodPlacebo17
Overall StudyDay 14 Treatment Period450mg, Once Per Day10
Overall StudyDay 14 Treatment Period150mg, Three Times Per Day13
Overall StudyDay 14 Treatment Period450mg, Twice Per Day14

Adverse events654

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

TypeEventOrgan systemGroupAffectedAt riskEvents
otherNauseaGastrointestinal disordersPlacebo000
otherNauseaGastrointestinal disordersHigh Dose, Once Per Day3113
otherNauseaGastrointestinal disordersLow Dose, Three Times Per Day5155
otherNauseaGastrointestinal disordersHigh Dose, Twice Per Day3153
otherNauseaGastrointestinal disordersMid-Range Dose, Three Times Per Day5165
otherNauseaGastrointestinal disordersHigh Dose, Three Times Per Day3153
othervomitingGastrointestinal disordersPlacebo0170
othervomitingGastrointestinal disordersHigh Dose, Once Per Day2112
othervomitingGastrointestinal disordersLow Dose, Three Times Per Day2152
othervomitingGastrointestinal disordersHigh Dose, Twice Per Day2152

Adverse event totals18

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityPlacebo017
Total, all-cause mortalityHigh Dose, Once Per Day011
Total, all-cause mortalityLow Dose, Three Times Per Day015
Total, all-cause mortalityHigh Dose, Twice Per Day015
Total, all-cause mortalityMid-Range Dose, Three Times Per Day016
Total, all-cause mortalityHigh Dose, Three Times Per Day015
Total, other adverse eventsPlacebo917
Total, other adverse eventsHigh Dose, Once Per Day1011
Total, other adverse eventsLow Dose, Three Times Per Day1115
Total, other adverse eventsHigh Dose, Twice Per Day1215

Papers1

The papers the trial lists on ClinicalTrials.gov.

PMIDListed as
33370348DERIVED

Source PubMed

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/NCT03000348

GET https://conductscience.org/api/trials/v1/NCT03000348/results?page=2