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Trial · NCT03073525

A Trial of Atezolizumab and Vigil in Patients With Advanced Gynecological Cancers

NCT03073525, Phase 2, Completed, Gradalis, Inc.; results first posted 2023-04-05

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. A Trial of Atezolizumab and Vigil in Patients With Advanced Gynecological Cancers. Trials, record NCT03073525. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT03073525

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Trial

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

Title
A Trial of Atezolizumab and Vigil in Patients With Advanced Gynecological Cancers
NCT number
NCT03073525
Status
Completed
Phases
Phase 2
Enrollment
25 participants, actual
Lead sponsor
Gradalis, Inc.
Conditions
Advanced Gynecological Cancers, Ovarian Cancer, Cervical Cancer, Uterine Cancer
Interventions
Vigil, Atezolizumab
First posted
2017-03-08
Last updated
2023-04-05
Results first posted
2023-04-05

Source ClinicalTrials.gov

Registered outcomes5

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

ListOutcomeTime frameDescription
PrimaryNumber of Treatment-emergent AEs of Vigil + AtezolizumabAEs reported from first treatment dose and up to 30 days after last treatment, about 12 months.
The safety evaluation included Adverse Events (AEs), Adverse Events of Special Interest (AESIs), Serious Adverse Events (SAEs) and changes from baseline in laboratory evaluations, vital signs, electrocardiograms and physical examinations. AEs were graded according to the National Cancer Institute (NCI) CTCAE v4.03 and coded using the Medical Dictionary for Regulatory Activities. Laboratory abnormalities were graded according to the NCI CTCAE v4.03, if applicable.
SecondaryImmune Response RateUp to 30 days after last treatmentWhole blood for correlative studies will be obtained at baseline, at the start of cycle 3 (the first cycle of combination therapy), every 3 cycles thereafter and end of treatment.
SecondaryTime to ProgressionFrom baseline (prior to treatment) up to 3 years
Overall assessment of time to progression and survival will be measured by Radiological Tumor Assessment by local investigators using the Response Evaluation Criteria in Solid Tumors (RECIST) Version 1.1. In Part 1, disease progression was assessed at baseline and every third cycle thereafter. In Part 2, the disease was assessed at baseline, at the end of Cycle 2 of single-agent therapy, and every third cycle thereafter.
SecondaryRadiographic Overall Response Rate (ORR)From first dose to end of study treatment (up to 9 months)
Radiographic ORR is defined as the percentage of participants achieving a Complete Response (CR) or Partial Response (PR), as assessed by investigators using RECIST 1.1. In Part 1, ORR was assessed at baseline and every third cycle thereafter. In Part 2, the disease was assessed at baseline, at the end of Cycle 2 of single-agent therapy, and every third cycle thereafter. 95% confidence interval from exact binomial distribution (Blopper-Pearson method).
SecondaryOverall Survival (OS)OS will be evaluated from time of randomization up to 37 months following documented disease progression.OS is defined as time of randomization to date of death due to any cause.

Outcomes5

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

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYNumber of Treatment-emergent AEs of Vigil + AtezolizumabAEs reported from first treatment dose and up to 30 days after last treatment, about 12 months.Grade 3/4 treatment-related events from first dose up to 30 days after last treatment.adverse eventsNUMBER
SECONDARYImmune Response RateUp to 30 days after last treatmentSamples were not analyzed for immune response data.
SECONDARYTime to ProgressionFrom baseline (prior to treatment) up to 3 yearsAll treated participantsmonthsMEDIAN
SECONDARYRadiographic Overall Response Rate (ORR)From first dose to end of study treatment (up to 9 months)All treated participantspercentage of participants with responseNUMBER
SECONDARYOverall Survival (OS)OS will be evaluated from time of randomization up to 37 months following documented disease progression.All treated participants.MonthsMEDIAN

Results by group21

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

OutcomeGroupCategoryValueSpreadUnits
Number of Treatment-emergent AEs of Vigil + AtezolizumabPart 1: Vigil + AtezoGrade 4 Atezolizumab-Related0adverse events
Number of Treatment-emergent AEs of Vigil + AtezolizumabPart 2: Vigil Then Vigil + AtezoGrade 4 Atezolizumab-Related0adverse events
Number of Treatment-emergent AEs of Vigil + AtezolizumabPart 2: Atezo Then Vigil + AtezoGrade 4 Atezolizumab-Related0adverse events
Number of Treatment-emergent AEs of Vigil + AtezolizumabPart 1: Vigil + AtezoGrade 4 Vigil-Related0adverse events
Number of Treatment-emergent AEs of Vigil + AtezolizumabPart 2: Vigil Then Vigil + AtezoGrade 4 Vigil-Related0adverse events
Number of Treatment-emergent AEs of Vigil + AtezolizumabPart 2: Atezo Then Vigil + AtezoGrade 4 Vigil-Related0adverse events
Number of Treatment-emergent AEs of Vigil + AtezolizumabPart 1: Vigil + AtezoGrade 3 Atezolizumab-Related0adverse events
Number of Treatment-emergent AEs of Vigil + AtezolizumabPart 2: Vigil Then Vigil + AtezoGrade 3 Atezolizumab-Related1adverse events
Number of Treatment-emergent AEs of Vigil + AtezolizumabPart 2: Atezo Then Vigil + AtezoGrade 3 Atezolizumab-Related4adverse events
Number of Treatment-emergent AEs of Vigil + AtezolizumabPart 1: Vigil + AtezoGrade 3 Vigil-Related0adverse events

Participant flow12

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

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDPart 1: Vigil + Atezo3
Overall StudySTARTEDPart 2: Vigil Then Vigil + Atezo11
Overall StudySTARTEDPart 2: Atezo Then Vigil + Atezo10
Overall StudyPart 3: Atezolizumab AlonePart 1: Vigil + Atezo0
Overall StudyPart 3: Atezolizumab AlonePart 2: Vigil Then Vigil + Atezo1
Overall StudyPart 3: Atezolizumab AlonePart 2: Atezo Then Vigil + Atezo0
Overall StudyCOMPLETEDPart 1: Vigil + Atezo3
Overall StudyCOMPLETEDPart 2: Vigil Then Vigil + Atezo11
Overall StudyCOMPLETEDPart 2: Atezo Then Vigil + Atezo7
Overall StudyNOT COMPLETEDPart 1: Vigil + Atezo0

Adverse events560

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

TypeEventOrgan systemGroupAffectedAt riskEvents
otherAnemiaBlood and lymphatic system disordersPart 1: Vigil + Atezo030
otherAnemiaBlood and lymphatic system disordersPart 2: Vigil2112
otherAnemiaBlood and lymphatic system disordersPart 2: Atezo2106
otherAnemiaBlood and lymphatic system disordersPart 2: Vigil and Atezo2215
otherAnemiaBlood and lymphatic system disordersPart 3: Atezo010
otherLeukopeniaBlood and lymphatic system disordersPart 1: Vigil + Atezo030
otherLeukopeniaBlood and lymphatic system disordersPart 2: Vigil0110
otherLeukopeniaBlood and lymphatic system disordersPart 2: Atezo1102
otherLeukopeniaBlood and lymphatic system disordersPart 2: Vigil and Atezo0210
otherLeukopeniaBlood and lymphatic system disordersPart 3: Atezo010

Adverse event totals15

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityPart 1: Vigil + Atezo33
Total, all-cause mortalityPart 2: Vigil211
Total, all-cause mortalityPart 2: Atezo310
Total, all-cause mortalityPart 2: Vigil and Atezo921
Total, all-cause mortalityPart 3: Atezo11
Total, other adverse eventsPart 1: Vigil + Atezo23
Total, other adverse eventsPart 2: Vigil911
Total, other adverse eventsPart 2: Atezo1010
Total, other adverse eventsPart 2: Vigil and Atezo1521
Total, other adverse eventsPart 3: Atezo11

Papers8

The papers the trial lists on ClinicalTrials.gov.

PMIDListed asSource
22186789BACKGROUNDPubMed
24968881BACKGROUNDPubMed
25917459BACKGROUNDPubMed
27109631BACKGROUNDPubMed
33271095BACKGROUNDPubMed
33364285BACKGROUNDPubMed
33715892BACKGROUNDPubMed
33753870RESULTPubMed

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/NCT03073525

GET https://conductscience.org/api/trials/v1/NCT03073525/results?page=2