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Trial · NCT02989168

Study to Evaluate the Effect of GBT440 Administered to Subjects With IPF on Supplemental Oxygen at Rest

NCT02989168, Phase 2, Terminated, Global Blood Therapeutics; results first posted 2020-08-21

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. Study to Evaluate the Effect of GBT440 Administered to Subjects With IPF on Supplemental Oxygen at Rest. Trials, record NCT02989168. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT02989168

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Trial

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

Title
Study to Evaluate the Effect of GBT440 Administered to Subjects With IPF on Supplemental Oxygen at Rest
NCT number
NCT02989168
Status
Terminated
Phases
Phase 2
Enrollment
14 participants, actual
Lead sponsor
Global Blood Therapeutics
Conditions
Idiopathic Pulmonary Fibrosis, Hypoxemia
Interventions
GBT440
First posted
2016-12-12
Last updated
2020-08-21
Results first posted
2020-08-21
Limitations and caveats
Since this study was stopped prematurely, no efficacy results will be presented.

Source ClinicalTrials.gov

Registered outcomes8

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

ListOutcomeTime frameDescription
PrimaryChange in Oxygen Saturation at End of Treatment Period Compared to BaselineDays 1 to 90
SecondaryChange in Supplemental Oxygen Requirement at End of Treatment Period Compared to BaselineDays 1 to 90
SecondaryEvaluate the Effect of GBT440 on Resting and Post-exercise Alveolar-arterial O2 Tension Difference [P(A-a) O2] at End of Treatment Period Compared to BaselineDays 1 to 90
SecondaryEvaluate the Effect of GBT440 on Performance of the 6MWTDays 1 to 90
SecondaryEvaluate the Effect of GBT440 on IPF Related Symptoms Using Patient Related OutcomesDays 1 to 90
SecondaryEvaluate Pulmonary Function Using Pulmonary Function Tests (FVC and DLco)Days 1 to 90Spirometry measurements will include forced vital capacity (FVC) and diffusing capacity of the lung for carbon monoxide (DLco).
SecondaryNumber of Participants With Treatment-related Adverse Events as Assessed by CTCAE v4.0Days 1 to 90
SecondaryPharmacokinetic Parameters of GBT440 in Plasma and Whole Blood (Minimum Concentration (Cmin))
Day 1 (15 mins post-dose and 2-4h post-dose), Day 15 (pre-dose), Day 30 (pre-dose), Day 60 (pre-dose and 2-4h post-dose), Day 90 (pre-dose), Day 105 (during study visit), and Day 120 (during study visit)
PK parameters of GBT440 administered daily orally for 90 days in plasma and whole blood, including but not limited to, minimum concentration (Cmin), at steady state.

Outcomes8

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

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYChange in Oxygen Saturation at End of Treatment Period Compared to BaselineDays 1 to 90Since study was stopped prematurely, complete data for all participants were not analyzable so no efficacy results are presented.
SECONDARYChange in Supplemental Oxygen Requirement at End of Treatment Period Compared to BaselineDays 1 to 90Since study was stopped prematurely, complete data for all participants were not analyzable so no efficacy results are presented.
SECONDARYEvaluate the Effect of GBT440 on Resting and Post-exercise Alveolar-arterial O2 Tension Difference [P(A-a) O2] at End of Treatment Period Compared to BaselineDays 1 to 90Since study was stopped prematurely, complete data for all participants were not analyzable so no efficacy results are presented.
SECONDARYEvaluate the Effect of GBT440 on Performance of the 6MWTDays 1 to 90Since study was stopped prematurely, complete data for all participants were not analyzable so no efficacy results are presented.
SECONDARYEvaluate the Effect of GBT440 on IPF Related Symptoms Using Patient Related OutcomesDays 1 to 90Since study was stopped prematurely, complete data for all participants were not analyzable so no efficacy results are presented.
SECONDARYEvaluate Pulmonary Function Using Pulmonary Function Tests (FVC and DLco)Days 1 to 90Since study was stopped prematurely, complete data for all participants were not analyzable so no efficacy results are presented.
SECONDARYNumber of Participants With Treatment-related Adverse Events as Assessed by CTCAE v4.0Days 1 to 90Participant had at least one dose of study drugParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYPharmacokinetic Parameters of GBT440 in Plasma and Whole Blood (Minimum Concentration (Cmin))
Day 1 (15 mins post-dose and 2-4h post-dose), Day 15 (pre-dose), Day 30 (pre-dose), Day 60 (pre-dose and 2-4h post-dose), Day 90 (pre-dose), Day 105 (during study visit), and Day 120 (during study visit)
Complete PK data were not analyzable for any participant.

Results by group2

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

OutcomeGroupCategoryValueSpreadUnits
Number of Participants With Treatment-related Adverse Events as Assessed by CTCAE v4.0GBT440 900 mg Dose11Participants
Number of Participants With Treatment-related Adverse Events as Assessed by CTCAE v4.0GBT440 1500 mg Dose3Participants

Participant flow6

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

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDGBT440 900 mg Dose11
Overall StudySTARTEDGBT440 1500 mg Dose3
Overall StudyCOMPLETEDGBT440 900 mg Dose7
Overall StudyCOMPLETEDGBT440 1500 mg Dose0
Overall StudyNOT COMPLETEDGBT440 900 mg Dose4
Overall StudyNOT COMPLETEDGBT440 1500 mg Dose3

Adverse events66

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

TypeEventOrgan systemGroupAffectedAt riskEvents
otherAtrial flutterCardiac disordersGBT440 900 mg Dose111
otherAtrial flutterCardiac disordersGBT440 1500 mg Dose03
otherDiarrhoeaGastrointestinal disordersGBT440 900 mg Dose411
otherDiarrhoeaGastrointestinal disordersGBT440 1500 mg Dose13
otherNauseaGastrointestinal disordersGBT440 900 mg Dose111
otherNauseaGastrointestinal disordersGBT440 1500 mg Dose23
otherFatigueGeneral disordersGBT440 900 mg Dose311
otherFatigueGeneral disordersGBT440 1500 mg Dose13
otherNon-cardiac chest painGeneral disordersGBT440 900 mg Dose111
otherNon-cardiac chest painGeneral disordersGBT440 1500 mg Dose03

Adverse event totals6

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityGBT440 900 mg Dose011
Total, all-cause mortalityGBT440 1500 mg Dose03
Total, other adverse eventsGBT440 900 mg Dose1111
Total, other adverse eventsGBT440 1500 mg Dose33
Total, serious adverse eventsGBT440 900 mg Dose311
Total, serious adverse eventsGBT440 1500 mg Dose23

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 comparisons3

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

ComparisonSource
GBT440 900 mg Dose vs GBT440 1500 mg Dose: Number of Participants With Treatment-related Adverse Events as Assessed by CTCAE v4.0Trial comparisons
GBT440 900 mg Dose vs GBT440 1500 mg Dose: deaths from any causeTrial comparisons
GBT440 900 mg Dose vs GBT440 1500 mg Dose: 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/NCT02989168

GET https://conductscience.org/api/trials/v1/NCT02989168/events?page=2