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Trial · NCT01774786

A Study of Pertuzumab in Combination With Trastuzumab and Chemotherapy in Participants With Human Epidermal Growth Factor Receptor 2 (HER2)-Positive Metastatic Gastroesophageal Junction or Gastric Cancer

NCT01774786, Phase 3, Completed, Hoffmann-La Roche; results first posted 2018-02-14

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ConductScience Library. A Study of Pertuzumab in Combination With Trastuzumab and Chemotherapy in Participants With Human Epidermal Growth Factor Receptor 2 (HER2)-Positive Metastatic Gastroesophageal Junction or Gastric Cancer. Trials, record NCT01774786. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT01774786

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Trial

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

Title
A Study of Pertuzumab in Combination With Trastuzumab and Chemotherapy in Participants With Human Epidermal Growth Factor Receptor 2 (HER2)-Positive Metastatic Gastroesophageal Junction or Gastric Cancer
NCT number
NCT01774786
Status
Completed
Phases
Phase 3
Enrollment
780 participants, actual
Lead sponsor
Hoffmann-La Roche
Conditions
Gastric Cancer
Interventions
5-Fluorouracil, Capecitabine, Cisplatin, Pertuzumab, Placebo, Trastuzumab
First posted
2013-01-24
Last updated
2020-12-30
Other registries' IDs
eudract:2012-003554-83
Results first posted
2018-02-14

Source ClinicalTrials.gov

Registered outcomes14

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

ListOutcomeTime frameDescription
PrimaryOverall Survival
From Baseline until death from any cause (Median [full range] duration of follow-up in Pertuzumab vs. Placebo arms for Primary Analysis: 24.4 [0-42] months vs. 25.0 [0-41] months; Final Analysis: 46.1 [0-70] months vs. 44.4 [0-68] months)
Overall survival (OS) was defined as the time from randomization to death from any cause. For participants who were still alive on the date of clinical data cut-off for the OS analysis, the last date when the participant was known to be alive on, or prior to the clinical cut-off date, was used to determine the censoring date. Participants who did not have any post-baseline data (e.g., dosing records, imaging dates, visit dates) were censored at the date of randomization plus 1 day.
SecondaryProgression-Free Survival, as Determined by the Investigator According to Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST v1.1) Criteria
Baseline to death or progressive disease (PD), whichever occurred first (Median [full range] duration of follow-up in Pertuzumab vs. Placebo arms for Primary Analysis: 24.9 [0-41] vs. 21.3 [0-39] months; Final Analysis: 50.4 [0-70] vs. 47.4 [0-66] months)
Progression-free survival (PFS) is defined as the time from randomization to the first occurrence of progressive disease (PD), as determined by the investigator using RECIST v1.1, or death from any cause, whichever occurred first. Tumor assessments with CT or MRI scans of the chest, abdomen, and pelvis were performed every 9 weeks. Participants without documented PD or death were censored at the tumor assessment date for which the participant was last known to be progression-free. Participants who did not have any post-baseline tumor assessment data were censored at the date of randomization plus 1 day. PD was defined as at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study, including baseline; an absolute increase of at least 5 millimeters (mm) in the sum of diameters of target lesions; the appearance of one or more new lesions.
SecondaryPrimary Analysis of the Percentage of Participants With Overall Objective Response, as Determined by the Investigator According to RECIST v1.1 Criteria
Baseline up to death or progressive disease, whichever occurred first (Median [full range] duration of follow-up in Pertuzumab vs. Placebo arms for Primary Analysis: 24.9 [0-41] months vs. 21.3 [0-39] months)
The overall objective response rate was defined as the percentage of participants with partial response (PR) or complete response (CR) occurring on two consecutive occasions ≥4 weeks apart, as determined by the investigator using RECIST v1.1. Tumor assessments with computed tomography (CT) or magnetic resonance imaging (MRI) scans of the chest, abdomen, and pelvis were performed every 9 weeks. PR: at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum of diameters. CR: disappearance of all target lesions. Measurable disease is defined as tumor lesions measured in at least one dimension (longest diameter in plane of measurement) with a minimum size of: 10 mm by CT or MRI scan; 10 mm caliper measurement by clinical examination; 20 mm by chest X-ray. For a malignant lymph node to be considered pathologically enlarged and measurable, it must be greater than or equal to (≥) 15 mm in short axis when assessed by CT scan.
SecondaryFinal Analysis of the Percentage of Participants With Overall Objective Response, as Determined by the Investigator According to RECIST v1.1 Criteria
Baseline up to death or progressive disease, whichever occurred first (Median [full range] duration of follow-up in Pertuzumab vs. Placebo arms for Final Analysis: 50.4 [0-70] months vs. 47.4 [0-66] months)
The overall objective response rate was defined as the percentage of participants with partial response (PR) or complete response (CR) occurring on two consecutive occasions ≥4 weeks apart, as determined by the investigator using RECIST v1.1. Tumor assessments with computed tomography (CT) or magnetic resonance imaging (MRI) scans of the chest, abdomen, and pelvis were performed every 9 weeks. PR: at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum of diameters. CR: disappearance of all target lesions. Measurable disease is defined as tumor lesions measured in at least one dimension (longest diameter in plane of measurement) with a minimum size of: 10 mm by CT or MRI scan; 10 mm caliper measurement by clinical examination; 20 mm by chest X-ray. For a malignant lymph node to be considered pathologically enlarged and measurable, it must be greater than or equal to (≥) 15 mm in short axis when assessed by CT scan.
SecondaryDuration of Objective Response, as Determined by Investigator According to RECIST v1.1 Criteria
Baseline to death or progressive disease (PD), whichever occurred first (Median [full range] duration of follow-up in Pertuzumab vs. Placebo arms for Primary Analysis: 24.9 [0-41] vs. 21.3 [0-39] months; Final Analysis: 50.4 [0-70] vs. 47.4 [0-66] months)
Duration of objective response is defined as the time from first occurrence of documented objective response to documented disease progression, as determined by the investigator using RECIST v1.1, or death from any cause. Objective response: PR or CR occurring on 2 consecutive occasions ≥4 weeks apart. PR: at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum of diameters. CR: disappearance of all target lesions. PD: at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study, including baseline; an absolute increase of at least 5 mm in the sum of diameters of target lesions; the appearance of one or more new lesions. Measurable disease defined as tumor lesions with a minimum size of: 10 mm by CT or MRI scan; 10 mm caliper measurement by clinical examination; 20 mm by chest X-ray. For a malignant lymph node, it must be ≥15 mm in short axis when assessed by CT scan.
SecondaryPercentage of Participants With Clinical Benefit, as Determined by the Investigator According to RECIST v1.1 Criteria
Baseline up to death or progressive disease, whichever occurred first (Median [full range] duration of follow-up in Pertuzumab vs. Placebo arms for Primary Analysis: 24.9 [0-41] months vs. 21.3 [0-39] months)
The clinical benefit rate was defined as best response of complete response (CR) or partial response (PR) or stable disease (SD) for 6 weeks or longer, as determined by the investigator using RECIST v1.1. CR: disappearance of all target lesions. PR: at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum of diameters. SD: neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for disease progression, taking as reference the smallest sum diameters while on study. Measurable disease is defined as tumor lesions measured in at least one dimension (longest diameter in plane of measurement) with a minimum size of: 10 mm by CT or MRI scan; 10 mm caliper measurement by clinical examination; 20 mm by chest X-ray. For a malignant lymph node to be considered pathologically enlarged and measurable, it must be \>/=15 mm in short axis when assessed by CT scan. The clinical benefit rate was not updated at the final analysis.
Secondary
Overview of Safety: Number of Participants With at Least One Adverse Event, Severity Determined According to National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE), Version 4.03
From Baseline until end of post-treatment follow-up (up to 70 months)
An adverse event (AE) is any untoward medical occurrence in a clinical investigation participant administered a pharmaceutical product, regardless of causal attribution. The investigator graded all AEs for severity per the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE), Version 4.03; if not listed, the AE was assessed as follows: Grade 1 = mild; Grade 2 = moderate; Grade 3 = severe; Grade 4 = life-threatening/disabling; Grade 5 = death. The investigator determined whether an AE was related to study drug and independently assessed severity and seriousness of each AE.
SecondaryNumber of Participants With Symptomatic or Asymptomatic Left Ventricular Systolic Dysfunction (LVSD)From Baseline until end of post-treatment follow-up (up to 70 months)
The number and percentage of participants with symptomatic left ventricular systolic dysfunction (LVSD) and asymptomatic LVSD events (defined as a left ventricular ejection fraction \[LVEF\] ≥10% decrease from baseline to an absolute value \<50%) at any time during the study was summarized by treatment arm.
SecondaryChange From Baseline in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Core 30 (QLQ-C30) ScoreDay 1 of each 21-day treatment cycle up to 28 and 60-90 days (post-treatment [PT] monitoring visits 1 and 2, respectively) after Day 1 of last treatment cycle (up to approximately 3.5 years)
The EORTC QLQ-C30 included global health status, functional scales (physical, role, emotional, cognitive, and social), symptom scales (fatigue, nausea/vomiting, and pain) and single items (dyspnoea, insomnia, appetite loss, constipation, diarrhea, and financial difficulties). Most questions used a 4-point scale (1 'Not at all' to 4 'Very much'; 2 questions used 7-point scale \[1 'very poor' to 7 'Excellent'\]). Scores were averaged and transformed to 0 - 100 scale, whereby higher scores indicate greater functioning, greater quality of life, or a greater degree of symptoms, with changes of 5 - 10 points considered to be a minimally important difference to participants. A positive value means an increase, while a negative value means a decrease, in score at the indicated time-point relative to the score at baseline (Cycle 1, Day 1).
SecondaryChange From Baseline in EORTC QLQ-Gastric Cancer Module (EORTC QLQ-STO22) ScoreDay 1 of each 21-day treatment cycle up to 28 and 60-90 days (post-treatment [PT] monitoring visits 1 and 2, respectively) after Day 1 of last treatment cycle (up to approximately 3.5 years)
The EORTC QLQ-STO22 is a gastric cancer quality of life questionnaire. There are 22 questions concerning disease, treatment related symptoms, side effects, dysphagia, nutritional aspects, and questions about the emotional problems of gastric cancer (dysphagia, pain, reflux, eating restrictions, anxiety, dry mouth, body image, and hair loss). The questions are grouped into five scales and 4 single items which are related to the symptoms of the disease. Most questions used 4-point scale (1 'Not at all' to 4 'Very much'; 1 question was a yes or no answer). A linear transformation was used to standardize all scores and single-items to a scale of 0 to 100; higher score=better level of functioning or greater degree of symptoms. A positive value means an increase, while a negative values means a decrease, in score at the indicated time-point relative to the score at baseline (Cycle 1, Day 1).

Outcomes14

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

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYOverall Survival
From Baseline until death from any cause (Median [full range] duration of follow-up in Pertuzumab vs. Placebo arms for Primary Analysis: 24.4 [0-42] months vs. 25.0 [0-41] months; Final Analysis: 46.1 [0-70] months vs. 44.4 [0-68] months)
The intent-to-treat (ITT) population included all randomized participants, regardless of whether study medication was received.MonthsMEDIAN
SECONDARYProgression-Free Survival, as Determined by the Investigator According to Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST v1.1) Criteria
Baseline to death or progressive disease (PD), whichever occurred first (Median [full range] duration of follow-up in Pertuzumab vs. Placebo arms for Primary Analysis: 24.9 [0-41] vs. 21.3 [0-39] months; Final Analysis: 50.4 [0-70] vs. 47.4 [0-66] months)
The ITT population included all randomized participants, regardless of whether study medication was received.monthsMEDIAN
SECONDARYPrimary Analysis of the Percentage of Participants With Overall Objective Response, as Determined by the Investigator According to RECIST v1.1 Criteria
Baseline up to death or progressive disease, whichever occurred first (Median [full range] duration of follow-up in Pertuzumab vs. Placebo arms for Primary Analysis: 24.9 [0-41] months vs. 21.3 [0-39] months)
The subset of participants with measurable disease at baseline, according to RECIST v1.1 criteria.Percentage of participantsNUMBER
SECONDARYFinal Analysis of the Percentage of Participants With Overall Objective Response, as Determined by the Investigator According to RECIST v1.1 Criteria
Baseline up to death or progressive disease, whichever occurred first (Median [full range] duration of follow-up in Pertuzumab vs. Placebo arms for Final Analysis: 50.4 [0-70] months vs. 47.4 [0-66] months)
The subset of participants with measurable disease at baseline, according to RECIST v1.1 criteria.Percentage of participantsNUMBER
SECONDARYDuration of Objective Response, as Determined by Investigator According to RECIST v1.1 Criteria
Baseline to death or progressive disease (PD), whichever occurred first (Median [full range] duration of follow-up in Pertuzumab vs. Placebo arms for Primary Analysis: 24.9 [0-41] vs. 21.3 [0-39] months; Final Analysis: 50.4 [0-70] vs. 47.4 [0-66] months)
The participants with measurable disease at baseline who achieved a documented objective response, according to RECIST v1.1 criteria.monthsMEDIAN
SECONDARYPercentage of Participants With Clinical Benefit, as Determined by the Investigator According to RECIST v1.1 Criteria
Baseline up to death or progressive disease, whichever occurred first (Median [full range] duration of follow-up in Pertuzumab vs. Placebo arms for Primary Analysis: 24.9 [0-41] months vs. 21.3 [0-39] months)
The subset of participants with measurable disease at baseline, according to RECIST v1.1 criteria.percentage of participantsNUMBER
SECONDARY
Overview of Safety: Number of Participants With at Least One Adverse Event, Severity Determined According to National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE), Version 4.03
From Baseline until end of post-treatment follow-up (up to 70 months)
The safety population included all participants who received any amount of any study medication. Those who received any amount of pertuzumab were included in the pertuzumab arm; all other treated participants were included in the placebo arm.
ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYNumber of Participants With Symptomatic or Asymptomatic Left Ventricular Systolic Dysfunction (LVSD)From Baseline until end of post-treatment follow-up (up to 70 months)
The safety population included all participants who received any amount of any study medication. Those who received any amount of pertuzumab were included in the pertuzumab arm; all other treated participants were included in the placebo arm.
ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYChange From Baseline in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Core 30 (QLQ-C30) ScoreDay 1 of each 21-day treatment cycle up to 28 and 60-90 days (post-treatment [PT] monitoring visits 1 and 2, respectively) after Day 1 of last treatment cycle (up to approximately 3.5 years)
Participants in the ITT population (includes all randomized participants, regardless of whether study medication was received) with both a baseline assessment and at least 1 post-treatment assessment are included in the analysis.
score on a scaleMEAN
SECONDARYChange From Baseline in EORTC QLQ-Gastric Cancer Module (EORTC QLQ-STO22) ScoreDay 1 of each 21-day treatment cycle up to 28 and 60-90 days (post-treatment [PT] monitoring visits 1 and 2, respectively) after Day 1 of last treatment cycle (up to approximately 3.5 years)
Participants in the ITT population (includes all randomized participants, regardless of whether study medication was received) with both a baseline assessment and at least 1 post-treatment assessment are included in the analysis.
score on a scaleMEAN

Results by group1,524

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

OutcomeGroupCategoryValueSpreadUnits
Overall SurvivalPertuzumab + Trastuzumab + ChemotherapyPrimary Analysis17.595% Confidence Interval 16.2 to 19.3Months
Overall SurvivalPlacebo + Trastuzumab + ChemotherapyPrimary Analysis14.295% Confidence Interval 12.9 to 15.5Months
Overall SurvivalPertuzumab + Trastuzumab + ChemotherapyFinal Analysis18.195% Confidence Interval 16.2 to 19.5Months
Overall SurvivalPlacebo + Trastuzumab + ChemotherapyFinal Analysis14.295% Confidence Interval 12.9 to 15.7Months
Progression-Free Survival, as Determined by the Investigator According to Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST v1.1) CriteriaPertuzumab + Trastuzumab + ChemotherapyPrimary Analysis8.595% Confidence Interval 8.2 to 9.7months
Progression-Free Survival, as Determined by the Investigator According to Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST v1.1) CriteriaPlacebo + Trastuzumab + ChemotherapyPrimary Analysis7.095% Confidence Interval 6.4 to 8.2months
Progression-Free Survival, as Determined by the Investigator According to Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST v1.1) CriteriaPertuzumab + Trastuzumab + ChemotherapyFinal Analysis8.595% Confidence Interval 8.3 to 9.7months
Progression-Free Survival, as Determined by the Investigator According to Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST v1.1) CriteriaPlacebo + Trastuzumab + ChemotherapyFinal Analysis7.295% Confidence Interval 6.4 to 8.2months
Primary Analysis of the Percentage of Participants With Overall Objective Response, as Determined by the Investigator According to RECIST v1.1 CriteriaPertuzumab + Trastuzumab + ChemotherapyObjective Response (CR + PR)56.795% Confidence Interval 51.33 to 61.95Percentage of participants
Primary Analysis of the Percentage of Participants With Overall Objective Response, as Determined by the Investigator According to RECIST v1.1 CriteriaPlacebo + Trastuzumab + ChemotherapyObjective Response (CR + PR)48.395% Confidence Interval 42.97 to 53.65Percentage of participants

Participant flow12

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

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDPertuzumab + Trastuzumab + Chemotherapy388
Overall StudySTARTEDPlacebo + Trastuzumab + Chemotherapy392
Overall StudyDid Not Receive Any Study TreatmentPertuzumab + Trastuzumab + Chemotherapy4
Overall StudyDid Not Receive Any Study TreatmentPlacebo + Trastuzumab + Chemotherapy3
Overall StudyReceived at Least One Dose of PertuzumabPertuzumab + Trastuzumab + Chemotherapy384
Overall StudyReceived at Least One Dose of PertuzumabPlacebo + Trastuzumab + Chemotherapy1
Overall StudyReceived Placebo (No Pertuzumab)Pertuzumab + Trastuzumab + Chemotherapy0
Overall StudyReceived Placebo (No Pertuzumab)Placebo + Trastuzumab + Chemotherapy388
Overall StudyCOMPLETEDPertuzumab + Trastuzumab + Chemotherapy60
Overall StudyCOMPLETEDPlacebo + Trastuzumab + Chemotherapy46

Adverse events480

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

TypeEventOrgan systemGroupAffectedAt riskEvents
otherAnaemiaBlood and lymphatic system disordersPertuzumab + Trastuzumab + Chemotherapy159385208
otherAnaemiaBlood and lymphatic system disordersPlacebo + Trastuzumab + Chemotherapy142388189
otherLeukopeniaBlood and lymphatic system disordersPertuzumab + Trastuzumab + Chemotherapy80385148
otherLeukopeniaBlood and lymphatic system disordersPlacebo + Trastuzumab + Chemotherapy69388113
otherNeutropeniaBlood and lymphatic system disordersPertuzumab + Trastuzumab + Chemotherapy200385340
otherNeutropeniaBlood and lymphatic system disordersPlacebo + Trastuzumab + Chemotherapy202388298
otherThrombocytopeniaBlood and lymphatic system disordersPertuzumab + Trastuzumab + Chemotherapy61385105
otherThrombocytopeniaBlood and lymphatic system disordersPlacebo + Trastuzumab + Chemotherapy73388100
otherAbdominal distensionGastrointestinal disordersPertuzumab + Trastuzumab + Chemotherapy2538536
otherAbdominal distensionGastrointestinal disordersPlacebo + Trastuzumab + Chemotherapy1938824

Adverse event totals6

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityPertuzumab + Trastuzumab + Chemotherapy299385
Total, all-cause mortalityPlacebo + Trastuzumab + Chemotherapy318388
Total, other adverse eventsPertuzumab + Trastuzumab + Chemotherapy373385
Total, other adverse eventsPlacebo + Trastuzumab + Chemotherapy376388
Total, serious adverse eventsPertuzumab + Trastuzumab + Chemotherapy178385
Total, serious adverse eventsPlacebo + Trastuzumab + Chemotherapy156388

Papers4

The papers the trial lists on ClinicalTrials.gov.

PMIDListed asSource
30217672DERIVEDPubMed
31183514DERIVEDPubMed
31234927DERIVEDPubMed
36066725DERIVEDPubMed

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 comparisons2

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

ComparisonSource
Pertuzumab + Trastuzumab + Chemotherapy vs Placebo + Trastuzumab + Chemotherapy: deaths from any causeTrial comparisons
Pertuzumab + Trastuzumab + Chemotherapy vs Placebo + Trastuzumab + Chemotherapy: 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.

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