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Trial ยท NCT00753688

Pazopanib Versus Placebo in Patients With Soft Tissue Sarcoma Whose Disease Has Progressed During or Following Prior Therapy

NCT00753688, Phase 3, Completed, GlaxoSmithKline; results first posted 2011-12-21

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. Pazopanib Versus Placebo in Patients With Soft Tissue Sarcoma Whose Disease Has Progressed During or Following Prior Therapy. Trials, record NCT00753688. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT00753688

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Trial

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

Title
Pazopanib Versus Placebo in Patients With Soft Tissue Sarcoma Whose Disease Has Progressed During or Following Prior Therapy
NCT number
NCT00753688
Status
Completed
Phases
Phase 3
Enrollment
369 participants, actual
Lead sponsor
GlaxoSmithKline
Conditions
Sarcoma, Soft Tissue
Interventions
PAZOPANIB, Placebo
First posted
2008-09-16
Last updated
2013-08-22
Results first posted
2011-12-21

Source ClinicalTrials.gov

Registered outcomes11

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

ListOutcomeTime frameDescription
PrimaryProgression-free Survival (PFS)From the date of randomization until the date of the first documented radiological progression or date of death from any cause, whichever came first (assessed for an average of 10 months)
PFS was defined as the time interval between the date of randomization and the earliest date of either disease progression or death due to any cause. The diagnosis of progression was based on tumor measurements, according to Response Evaluation Criteria in Solid Tumors (RECIST) Version 1.0 criteria, by independent radiologic assessment. The Kaplan-Meier method was used for PFS estimates.
SecondaryOverall Survival (OS)From the date of randomization until 215 deaths (assessed for an average of 12 months)
OS was defined as the time from the date of randomization to the date of death due to any cause. The length of this interval was calculated as the date of death minus the date of randomization plus 1 day. Participants who were alive at the time of analysis were censored at the date of last follow-up. The interim OS analysis was conducted when 215 (77 percent \[%\]) of the 279 required death events had occurred in the study. The Kaplan-Meier method was used for OS estimates.
SecondaryNumber of Participants in the Indicated Categories for Overall Response Assessed by an Independent Radiologist and the InvestigatorFrom the start of treatment until disease progression (assessed for an average of 10 months)
Overall response is defined as the number of participants who had a complete response (CR) or a partial response (PR). According to RECIST, Version 1.0: CR, disappearance of all lesions; PR, a \>=30% decrease in the sum of the longest dimensions (LD) of the target lesions (TLs) taking as a reference the baseline sum LD; Progressive disease (PD), a \>=20% increase in the sum of the LD of TLs, or the appearance of \>=1 new lesion; Stable Disease (SD), neither PR nor PD, persistence of \>=1 non-TL. Participants with no follow-up radiological disease assessment were categorized as not evaluable (NE).
SecondaryTime to Response Assessed by an Independent Radiologist and the InvestigatorFrom the date of randomization until the date of the first documented evidence of CR or PR (assessed for an average of 10 months)
Time to response was defined as the time from the date of randomization until the date of first documented evidence of CR or PR (whichever status was recorded first). The Kaplan-Meier method was used for time to response estimates.
SecondaryDuration of Response Assessed by the Independent Radiologist and the InvestigatorFrom the date of randomization until the date of the first documented evidence of CR or PR (assessed for an average of 10 months)
Duration of response was defined as the time from the date of the first documented evidence of CR or PR until the date of either the first documented sign of PD or death due to any cause. Participants who neither died nor progressed were censored at the date of the last adequate radiologic assessment. The Kaplan-Meier method was used for duration of response estimates.
SecondaryPFS in the Indicated Histology Subgroups of Soft Tissue Sarcoma (STS)From the date of randomization until the date of the first documented progression or the date of death from any cause, whichever came first (assessed for an average of 10 months)
PFS was defined as the time interval between the date of randomization and the earliest date of either disease progression or death due to any cause. Participants were analyzed for PFS in histology subgroups of STS (as per the World Health Organization \[WHO\] classification, 2008): leiomyosarcoma (malignant cancer of smooth muscle), synovial sarcoma (cancer near the joints of the arm or leg), and other STS (without the tumor type of leiomyosarcoma or synovial sarcoma), based on independent review.The Kaplan-Meier method was used for PFS estimates.
SecondaryChange From Baseline in Systolic Blood Pressure (SBP) and Diastolic Blood Pressure (DBP)Baseline, Day 8, Weeks 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 88, 96, and 104
Change from baseline in on-therapy SBP and DBP was calculated as the values at the indicated time points (Day 8 and Weeks 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 88, 96, and 104) minus the value at baseline.
SecondaryChange From Baseline in Heart RateBaseline, Day 8, Weeks 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 88, 96, and 104
Change from baseline in on-therapy heart rate was calculated as the value at the indicated time points (Day 8 and Weeks 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 88, 96, and 104) minus the value at baseline.
SecondaryNumber of Participants With the Indicated Grade Shifts From Baseline Grade for Hemoglobin Level, Lymphocyte Count, White Blood Cell Count, Neutrophil Count, and Platelet CountFrom baseline (Day 1) until study drug discontinuation or end of treatment (assessed for an average of 20 weeks)
Shifts in hematology values by grade were summarized based on the National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE Version 3.0). Grade refers to the severity of the AE. The CTCAE Version 3.0 displays Grades 1 through 5 with unique clinical descriptions of severity for each AE based on this general guideline. Participants with a missing baseline grade were assumed to have a baseline Grade of 0. Any increase in grade from baseline and shifts to Grade 3 (severe AE) and 4 (life-threatening or disabling AE) at any point in the study after baseline are reported.
Secondary
Number of Participants With the Indicated Grade Shifts From Baseline Grade for Alkaline Phosphatase, Alanine Aminotransferase, Aspartate Aminotransferase, Albumin, Creatinine, Hyper/Hypoglycemia, Hyper/Hypokalemia, Hyper/Hyponatremia, and Total Bilirubin
From baseline (Day 1) until study drug discontinuation or end of treatment (assessed for an average of 20 weeks)
Shifts in clinical chemistry values by grade were summarized based on the NCI CTCAE Version 3.0. Participants with a missing baseline grade were assumed to have a baseline Grade of 0. Any increase in grade from baseline and shifts to Grade 3 and 4 at any point in the study after baseline are reported. alkaline phosphatase, ALKP; alanine aminotransferase, ALT; aspartate aminotransferase, AST. Hyper/hypoglycemia refers to high/low glucose; hyper/hypokalemia refers to high/low potassium; hyper/hyponatremia refers to high/low sodium.

Outcomes11

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

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYProgression-free Survival (PFS)From the date of randomization until the date of the first documented radiological progression or date of death from any cause, whichever came first (assessed for an average of 10 months)Intent-to-Treat (ITT) Population: all randomized participants analyzed in the treatment arm they were allocated by randomization.weeksMEDIAN
SECONDARYOverall Survival (OS)From the date of randomization until 215 deaths (assessed for an average of 12 months)ITT PopulationmonthsMEDIAN
SECONDARYNumber of Participants in the Indicated Categories for Overall Response Assessed by an Independent Radiologist and the InvestigatorFrom the start of treatment until disease progression (assessed for an average of 10 months)ITT PopulationparticipantsNUMBER
SECONDARYTime to Response Assessed by an Independent Radiologist and the InvestigatorFrom the date of randomization until the date of the first documented evidence of CR or PR (assessed for an average of 10 months)
ITT Population. Only participants who achieved a confirmed CR or PR, as determined independently by the Independent Radiologist and the Investigator, were analyzed. Only results for the pazopanib arm are given because there was no response in the placebo arm.
weeksMEDIAN
SECONDARYDuration of Response Assessed by the Independent Radiologist and the InvestigatorFrom the date of randomization until the date of the first documented evidence of CR or PR (assessed for an average of 10 months)
ITT Population. Only participants who achieved a confirmed CR or PR, as determined independently by the Independent Radiologist and the Investigator, were analyzed. Only results for the pazopanib arm are given because there was no response in the placebo arm.
weeksMEDIAN
SECONDARYPFS in the Indicated Histology Subgroups of Soft Tissue Sarcoma (STS)From the date of randomization until the date of the first documented progression or the date of death from any cause, whichever came first (assessed for an average of 10 months)ITT Population. The ns in the category titles represent the number of participants in each treatment arm with the indicated STS.weeksMEDIAN
SECONDARYChange From Baseline in Systolic Blood Pressure (SBP) and Diastolic Blood Pressure (DBP)Baseline, Day 8, Weeks 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 88, 96, and 104
Safety Population: all participants who had started their allocated treatment (at least one dose of the study drug). Data were analyzed for participants who were on-therapy and provided data at the indicated time point.
Millimeters of mercuryMEAN
SECONDARYChange From Baseline in Heart RateBaseline, Day 8, Weeks 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 88, 96, and 104Safety Population. Data were analyzed for participants who were on-therapy and provided data at the indicated time point.beats per minuteMEAN
SECONDARYNumber of Participants With the Indicated Grade Shifts From Baseline Grade for Hemoglobin Level, Lymphocyte Count, White Blood Cell Count, Neutrophil Count, and Platelet CountFrom baseline (Day 1) until study drug discontinuation or end of treatment (assessed for an average of 20 weeks)Safety Population. Data were analyzed for participants who were on-therapy and provided data at the indicated time point.participantsNUMBER
SECONDARY
Number of Participants With the Indicated Grade Shifts From Baseline Grade for Alkaline Phosphatase, Alanine Aminotransferase, Aspartate Aminotransferase, Albumin, Creatinine, Hyper/Hypoglycemia, Hyper/Hypokalemia, Hyper/Hyponatremia, and Total Bilirubin
From baseline (Day 1) until study drug discontinuation or end of treatment (assessed for an average of 20 weeks)Safety Population. Data were analyzed for participants who were on-therapy and provided data at the indicated time point.participantsNUMBER

Results by group298

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

OutcomeGroupCategoryValueSpreadUnits
Progression-free Survival (PFS)Placebo7.095% Confidence Interval 4.4 to 8.1weeks
Progression-free Survival (PFS)Pazopanib20.095% Confidence Interval 17.9 to 21.3weeks
Overall Survival (OS)Placebo10.795% Confidence Interval 9.0 to 13.1months
Overall Survival (OS)Pazopanib12.695% Confidence Interval 10.9 to 14.9months
Number of Participants in the Indicated Categories for Overall Response Assessed by an Independent Radiologist and the InvestigatorPlaceboCR, Independent radiologist assessed0participants
Number of Participants in the Indicated Categories for Overall Response Assessed by an Independent Radiologist and the InvestigatorPazopanibCR, Independent radiologist assessed0participants
Number of Participants in the Indicated Categories for Overall Response Assessed by an Independent Radiologist and the InvestigatorPlaceboPR, Independent radiologist assessed0participants
Number of Participants in the Indicated Categories for Overall Response Assessed by an Independent Radiologist and the InvestigatorPazopanibPR, Independent radiologist assessed11participants
Number of Participants in the Indicated Categories for Overall Response Assessed by an Independent Radiologist and the InvestigatorPlaceboSD, Independent radiologist assessed33participants
Number of Participants in the Indicated Categories for Overall Response Assessed by an Independent Radiologist and the InvestigatorPazopanibSD, Independent radiologist assessed134participants

Participant flow8

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

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDPlacebo123
Overall StudySTARTEDPazopanib246
Overall StudyOngoing - in Follow-upPlacebo15
Overall StudyOngoing - in Follow-upPazopanib31
Overall StudyCOMPLETEDPlacebo0
Overall StudyCOMPLETEDPazopanib0
Overall StudyNOT COMPLETEDPlacebo123
Overall StudyNOT COMPLETEDPazopanib246

Adverse events332

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

TypeEventOrgan systemGroupAffectedAt riskEvents
otherNauseaGastrointestinal disordersPlacebo27123
otherNauseaGastrointestinal disordersPazopanib135240
otherDiarrheaGastrointestinal disordersPlacebo19123
otherDiarrheaGastrointestinal disordersPazopanib141240
otherVomitingGastrointestinal disordersPlacebo14123
otherVomitingGastrointestinal disordersPazopanib81240
otherGastrointestinal painGastrointestinal disordersPlacebo11123
otherGastrointestinal painGastrointestinal disordersPazopanib57240
otherConstipationGastrointestinal disordersPlacebo21123
otherConstipationGastrointestinal disordersPazopanib39240

Adverse event totals6

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityPlacebo
Total, all-cause mortalityPazopanib
Total, other adverse eventsPlacebo108123
Total, other adverse eventsPazopanib232240
Total, serious adverse eventsPlacebo29123
Total, serious adverse eventsPazopanib99240

Papers4

The papers the trial lists on ClinicalTrials.gov.

PMIDListed asSource
22595799BACKGROUNDPubMed
24504442DERIVEDPubMed
26864131DERIVEDPubMed
31409302DERIVEDPubMed

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 comparisons1

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

Comparison
Pazopanib vs Placebo: 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.

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