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NCT00885755

A Study of Herceptin (Trastuzumab)and Biomarkers in Patients With HER2-Positive Metastatic Breast Cancer

Completed Phase 2 Results posted Last updated 29 March 2018
What this trial tests

Phase 2 trial testing Standard taxane therapy in Breast Cancer in 33 participants. Completed in 18 February 2013.

Timeline
13 August 2009
Primary endpoint
18 February 2013
18 February 2013

Quick facts

Lead sponsorHoffmann-La Roche
PhasePhase 2
StatusCompleted
Study typeINTERVENTIONAL
Allocationna
Designsingle group
Maskingnone
Primary purposetreatment
Enrollment33
Start date13 August 2009
Primary completion18 February 2013
Estimated completion18 February 2013
Sites13 locations across Sweden, United Kingdom, Australia, Spain

Drugs / interventions tested

Conditions studied

Sponsor

Hoffmann-La Roche — full company profile →

Who can join

18 and older, female only, with Breast Cancer. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

Part I: Progression Free Survival (PFS) by Biomarker Primary · End of first 2 Cycles (Weeks 3 and 6), every 3 Cycles for 18 weeks, then every 4 cycles until progression, unacceptable toxicity or participant decision to cease treatment up to 46 months

Progression was defined as an increase by at least 20 percent (%) from the smallest value in the Sum of Longest Diameter (SLD) of lesions. Biomarkers investigated: p95 human epidermal growth factor receptor 2 (p95HER2) positive (+ve) and negative (-ve) , insulin growth factor-1 receptor (IGF1R) less than (\<) median and greater than or equal to (≥) median membrane H score, c-MET \<median and ≥median membrane H score, phosphatase and tensin homolog gene (PTEN) \<median and ≥median cytoplasm H score, HER2 \<median and ≥median membrane H score, phosphatidylinositol-3-kinase (PI3K) catalytic subun

p95 HER2 +ve (n=9,0)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)NA3.384 – NA
Group B: Trastuzumab+Taxane/ Capecitabine <6 WeeksNANA – NA
p95 HER2 -ve (n=15,1)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)13.9637.261 – 22.407
Group B: Trastuzumab+Taxane/ Capecitabine <6 Weeks1.216NA – NA
IGF1R <median (n=12,0)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)12.6494.698 – NA
Group B: Trastuzumab+Taxane/ Capecitabine <6 WeeksNANA – NA
IGF1R ≥median (n=14,1)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)22.2097.261 – NA
Group B: Trastuzumab+Taxane/ Capecitabine <6 Weeks1.216NA – NA
c-MET <median (n=10,1)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)18.5953.384 – NA
Group B: Trastuzumab+Taxane/ Capecitabine <6 Weeks1.216NA – NA
c-MET ≥median (n=15,0)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)13.7337.031 – NA
Group B: Trastuzumab+Taxane/ Capecitabine <6 WeeksNANA – NA
PTEN <median (n=12,0)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)22.2095.914 – NA
Group B: Trastuzumab+Taxane/ Capecitabine <6 WeeksNANA – NA
PTEN ≥median (n=14,1)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)13.9636.374 – 31.179
Group B: Trastuzumab+Taxane/ Capecitabine <6 Weeks1.216NA – NA
Part I: TTP in Intent to Treat (ITT) Population Secondary · End of first 2 Cycles (Weeks 3 and 6), every 3 cycles for 18 weeks, then every 4 cycles until progression, unacceptable toxicity or participant decision to cease treatment up to 46 months

TTP was determined as the time in months from the date of screening until first progression. In participants with measurable disease, progression was defined according to RECIST (SLD increased by at least 20% from the smallest value on study \[including baseline, if that is the smallest\]). In participants with non-measurable disease, progression was defined as the presence of new lesions or unequivocal progression during treatment.

GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)22.219.53 – NA
Group B: Trastuzumab+Taxane/ Capecitabine <6 Weeks1.22NA – NA
Part II: Progression Free Survival (PFS) by Biomarker Primary · End of first 2 Cycles (Weeks 3 and 6), every 3 cycles for 18 weeks, then every 4 cycles until progression, unacceptable toxicity or participant decision to cease treatment up to 46 months

PFS was calculated from first study medication in Part II to date of progression or death.The relationship between PFS and the following biomarker variables was investigated in each of study Part 1 and 2: p95HER2 +ve and -ve population, IGF1R \<median and ≥ median membrane H score, c-MET \<median and ≥median membrane H score, PTEN \<median and ≥median cytoplasm H score, HER2 \<median and ≥median membrane H score, PI3K catalytic subunit WT and M, and FC gamma receptors IIIa, IIa and IIb Phenotypes FF, VF and VV, HH, HR and RR, and II, IT and TT.

p95 +ve (n=2,0)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)8.148NA – NA
Group B: Trastuzumab+Taxane/ Capecitabine <6 WeeksNANA – NA
p95 -ve (n=5,1)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)3.4500.854 – 8.115
Group B: Trastuzumab+Taxane/ Capecitabine <6 Weeks13.832NA – NA
IGF1R <median (n=4,0)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)8.1150.854 – 8.115
Group B: Trastuzumab+Taxane/ Capecitabine <6 WeeksNANA – NA
IGF1R ≥median (n=4,1)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)4.0741.971 – 8.148
Group B: Trastuzumab+Taxane/ Capecitabine <6 Weeks13.832NA – NA
c-MET<median (n=3,1)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)4.6983.450 – 4.698
Group B: Trastuzumab+Taxane/ Capecitabine <6 Weeks13.832NA – NA
c-MET≥median (n=4,0)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)5.0430.854 – 8.148
Group B: Trastuzumab+Taxane/ Capecitabine <6 WeeksNANA – NA
PTEN <median (n=4,0)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)4.6981.971 – 8.115
Group B: Trastuzumab+Taxane/ Capecitabine <6 WeeksNANA – NA
PTEN ≥median (n=3,1)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)3.4500.854 – 8.148
Group B: Trastuzumab+Taxane/ Capecitabine <6 Weeks13.832NA – NA
Part I: Time to Progression (TTP) by Biomarker Primary · End of first 2 Cycles (Weeks 3 and 6), every 3 Cycles for 18 weeks, then every 4 cycles until progression, unacceptable toxicity or participant decision to cease treatment up to 46 weeks

Progression was defined as an increase by at least 20% from the smallest value in the SLD of lesions.TTP was determined as the time in months from the date of screening until first progression.The relationship between PFS and the following biomarker variables was investigated in each of study Part 1 and 2: p95 HER2 +ve and -ve population, IGF1R \<median and ≥median, c-MET \<median and ≥median, PTEN \<median and ≥median, HER2 \<median and ≥median, PI3K catalytic subunit WT and M, and FC gamma receptors IIIa, IIa and IIb Phenotypes FF, VF and VV, HH, HR and RR, and II, IT and TT . The correlatio

p95 +ve (n=9,0)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)NA3.384 – NA
Group B: Trastuzumab+Taxane/ Capecitabine <6 WeeksNANA – NA
p95 -ve (n=15,1)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)13.9637.261 – 22.407
Group B: Trastuzumab+Taxane/ Capecitabine <6 Weeks1.216NA – NA
IGF1R <median (n=12,0)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)11.3354.698 – NA
Group B: Trastuzumab+Taxane/ Capecitabine <6 WeeksNANA – NA
IGF1R ≥median (n=14,1)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)22.4075.914 – NA
Group B: Trastuzumab+Taxane/ Capecitabine <6 Weeks1.216NA – NA
c-MET <median (n=10,1)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)31.1793.384 – NA
Group B: Trastuzumab+Taxane/ Capecitabine <6 Weeks1.216NA – NA
c-MET ≥median (n=15,0)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)22.2096.374 – NA
Group B: Trastuzumab+Taxane/ Capecitabine <6 WeeksNANA – NA
PTEN <median (n=12,0)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)22.2095.914 – NA
Group B: Trastuzumab+Taxane/ Capecitabine <6 WeeksNANA – NA
PTEN ≥median (n=14,1)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)13.9636.374 – 31.179
Group B: Trastuzumab+Taxane/ Capecitabine <6 Weeks1.216NA – NA
Part I: PFS in ITT Population Secondary · End of first 2 Cycles (Weeks 3 and 6), every 3 cycles for 18 weeks, then every 4 cycles until progression, unacceptable toxicity or participant decision to cease treatment up to 46 months

PFS was determined as the time in months from the date of screening until first progression. In participants with measurable disease, progression was defined according to RECIST (SLD increased by at least 20% from the smallest value on study \[including baseline, if that is the smallest\]).. In participants with non-measurable disease, progression was defined as the presence of new lesions or unequivocal progression during treatment.

GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)18.608.08 – NA
Group B: Trastuzumab+Taxane/ Capecitabine <6 Weeks1.22NA – NA
Part II: TTP in Intent to Treat (ITT) Population Secondary · End of first 2 Cycles (Weeks 3 and 6), every 3 Cycles for 18 weeks, then every 4 cycles until progression, unacceptable toxicity or participant decision to cease treatment up to 46 months

TTP was calculated from first study medication in Part II to date of progression. In participants with measurable disease progression was defined according to RECIST(SLD increased by at least 20% from the smallest value on study \[including baseline, if that is the smallest\]). In participants with non-measurable disease, progression was defined as the presence of new lesions or unequivocal progression during treatment.

GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)5.652.99 – 8.15
Group B: Trastuzumab+Taxane/ Capecitabine <6 Weeks13.83NA – NA
Part II: PFS in ITT Population Secondary · End of first 2 Cycles (Weeks 3 and 6), every 3 cycles for 18 weeks, then every 4 cycles until progression, unacceptable toxicity or participant decision to cease treatment up to 46 months

PFS was calculated from first study medication in Part II to date of progression or death. In participants with measurable disease progression was defined according to RECIST (SLD increased by at least 20% from the smallest value on study \[including baseline, if that is the smallest\]). In participants with non-measurable disease, progression was defined as the presence of new lesions or unequivocal progression during treatment.

GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)5.652.99 – 24.21
Group B: Trastuzumab+Taxane/ Capecitabine <6 Weeks13.83NA – NA
Overall Survival in Per Protocol Population Secondary · End of first 2 Cycles (Weeks 3 and 6), every 3 cycles for 18 weeks, then every 4 cycles until death (up to 46 months)

Overall survival was calculated in months from the day of screening until death.

GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)36.406.57 – 40.28
Overall Survival in ITT Population Secondary · End of first 2 Cycles (Weeks 3 and 6), every 3 cycles for 18 weeks, then every 4 cycles until death (up to 46 months)

Overall survival was calculated in months from the day of screening until death.

GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)NA6.57 – 40.28
Part I and II: Percentage of Participants With a Best Overall Response of CR or PR in ITT Population Secondary · End of first 2 Cycles (Weeks 3 and 6), every 3 Cycles for 18 weeks, then every 4 cycles until progression, unacceptable toxicity or participant decision to cease treatment up to 46 months

Best Overall response was defined according to RECIST. CR: disappearance of all target lesions and all pathological lymph nodes below 10 mm. PR: At least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters. SD: Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD. PD: At least a 20% increase in the sum of diameters of target lesions, and the sum must also demonstrate an absolute increase of at least 5 mm or persistence of non-target lesions.

Part I: Responders (n=20)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capcetabine (6 Weeks)75.0
Part I: Non-Responders (n=20)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capcetabine (6 Weeks)20.0
Part I: Missing (n=20)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capcetabine (6 Weeks)5.0
Part II: Responders (n=9)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capcetabine (6 Weeks)11.1
Part II: Non-Responders (n=9)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capcetabine (6 Weeks)88.9
Part II: Missing (n=9)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capcetabine (6 Weeks)0.0
Part II: TTP by Biomarker Primary · End of first 2 Cycles (Weeks 3 and 6), every 3 cycles for 18 weeks, then every 4 cycles until progression, unacceptable toxicity or participant decision to cease treatment up to 46 months

TTP was calculated from first study medication in Part II to date of progression. The relationship between TTP and the following biomarker variables was investigated in each of study Part 1 and 2: p95 HER2 +ve and -ve population, IGF1R \<median and ≥median, c-MET \<median and ≥median, PTEN \<median and ≥median, HER2 \<median and ≥median, PI3K catalytic subunit WT and M, and FC gamma receptors IIIa, IIa and IIb Phenotypes FF, VF and VV, HH, HR and RR, and II, IT and TT .

p95 HER2 +ve (n=2,0)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)8.148NA – NA
Group B: Trastuzumab+Taxane/ Capecitabine <6 WeeksNANA – NA
p95 HER2 -ve (n=5,1)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)3.4500.854 – 8.115
Group B: Trastuzumab+Taxane/ Capecitabine <6 Weeks13.832NA – NA
IGF1R <median (n=4,0)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)8.1150.854 – 8.115
Group B: Trastuzumab+Taxane/ Capecitabine <6 WeeksNANA – NA
IGF1R ≥median (n=4,1)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)4.0741.971 – 8.148
Group B: Trastuzumab+Taxane/ Capecitabine <6 Weeks13.832NA – NA
c-MET <median (n=3,1)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)4.6983.450 – 4.698
Group B: Trastuzumab+Taxane/ Capecitabine <6 Weeks13.832NA – NA
c-MET ≥median (n=4,0)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)5.0430.854 – 8.148
Group B: Trastuzumab+Taxane/ Capecitabine <6 WeeksNANA – NA
PTEN <median (n=4,0)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)4.6981.971 – 8.115
Group B: Trastuzumab+Taxane/ Capecitabine <6 WeeksNANA – NA
PTEN ≥median (n=3,1)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)3.4500.854 – 8.148
Group B: Trastuzumab+Taxane/ Capecitabine <6 Weeks13.832NA – NA
Part I: Percentage of Participants With a Best Overall Response (BOR) of Complete Response (CR), Partial Response (PR), Stable Disease (SD) or Progrerssive Disease (PD) by Biomarker Primary · End of first 2 Cycles (Weeks 3 and 6), every 3 cycles for 18 weeks, then every 4 cycles until progression, unacceptable toxicity or participant decision to cease treatment up to 46 weeks

BOR was defined according to the Response Evaluation Criteria In Solid Tumors (RECIST). CR: disappearance of all target lesions and all pathological lymph nodes below 10 mm. PR: At least a 30% decrease in the sum of diameters of target lesions. SD: Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD. PD: At least a 20% increase in the sum of diameters of target lesions, and the sum must also demonstrate an absolute increase of at least 5 mm or persistence of non-target lesions. The relationship between best response and the following biomarkers was investig

p95 HER2 +ve CR (n=5)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)0.0
p95 HER2 +ve PR (n=5)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)25.0
p95 HER2 +ve SD (n=5)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)50.0
p95 HER2 +ve PD (n=5)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)25.0
p95 HER2 -ve CR (n=12)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)0.0
p95 HER2 -ve PR (n=12)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)91.7
p95 HER2 -ve SD (n=12)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)8.3
p95 HER2 -ve PD (n=12)
GroupValue95% CI
Group A: Trastuzumab+Taxane /Capecitabine (6 Weeks)0.0

Adverse events — posted to ClinicalTrials.gov

Time frame: From the date of Screening until 4 weeks after the last visit of the participant. Reporting threshold: 5%. Adverse-event reports describe events observed during the trial — not all are caused by the drug.

All Participants
Serious: 9/33 (27%)
Deaths:

Serious adverse events (11 terms)

ReactionSystemAll Participants
PyrexiaGeneral disorders
Chest painGeneral disorders
Medical device complicationGeneral disorders
CellulitisInfections and infestations
SepsisInfections and infestations
Febrile neutropeniaBlood and lymphatic system disorders
Cardiac failureCardiac disorders
Hip fractureInjury, poisoning and procedural complications
Back painMusculoskeletal and connective tissue disorders
MenorrhagiaReproductive system and breast disorders
ThrombosisVascular disorders
Other adverse events (116 terms — click to expand)

ReactionSystemAll Participants
Nail disorderSkin and subcutaneous tissue disorders
RashSkin and subcutaneous tissue disorders
FatigueGeneral disorders
DiarrhoeaGastrointestinal disorders
NauseaGastrointestinal disorders
AlopeciaSkin and subcutaneous tissue disorders
Peripheral sensory neuropathyNervous system disorders
HeadacheNervous system disorders
VomitingGastrointestinal disorders
ArthralgiaMusculoskeletal and connective tissue disorders
Back painMusculoskeletal and connective tissue disorders
DyspepsiaGastrointestinal disorders
Influenza like illnessGeneral disorders
Decreased appetiteMetabolism and nutrition disorders
Oedema peripheralGeneral disorders
Procedural painInjury, poisoning and procedural complications
Palmer-plantar erythrodysaesthesia syndromeSkin and subcutaneous tissue disorders
DysgeusiaNervous system disorders
EpistaxisRespiratory, thoracic and mediastinal disorders
DyspnoeaRespiratory, thoracic and mediastinal disorders
ConstipationGastrointestinal disorders
Pain in extremityMusculoskeletal and connective tissue disorders
Musculoskeletal painMusculoskeletal and connective tissue disorders
Upper respiratory tract infectionInfections and infestations
CoughRespiratory, thoracic and mediastinal disorders
Hot flushVascular disorders
StomatitisGastrointestinal disorders
PainGeneral disorders
ScabSkin and subcutaneous tissue disorders
NasopharyngitisInfections and infestations
RhinitisInfections and infestations
AstheniaGeneral disorders
Mucosal inflammationGeneral disorders
Chest painGeneral disorders
Dry skinSkin and subcutaneous tissue disorders
Muscle spasmsMusculoskeletal and connective tissue disorders
MyalgiaMusculoskeletal and connective tissue disorders
RhinorrhoeaRespiratory, thoracic and mediastinal disorders
Abdominal PainGastrointestinal disorders
Neuropathy peripheralNervous system disorders

Most-reported serious reactions: Pyrexia, Chest pain, Medical device complication, Cellulitis, Sepsis, Febrile neutropenia, Cardiac failure, Hip fracture.

Data from ClinicalTrials.gov NCT00885755 adverse events section.

Sponsor's own description

This single arm study will evaluate alterations in molecular marker expression in HER2-positive targeted therapy, and will evaluate the effect of continued treatment with Herceptin and Xeloda beyond progression following initial Herceptin-taxane chemotherapy. Patients who develop progressive disease will receive first-line Herceptin (8mg/kg iv loading dose and 6mg/kg iv every 3 weeks) + taxane therapy. patients who develop progressive disease within 9 weeks of treatment will continue treatment with Herceptin in combination with Xeloda (1000mg/m2 po bid on days 1-14 of each 3-week cycle).Biopsies of tumor tissue will be taken for biomarker and gene profiling evaluation. The anticipated time on study treatment is until disease progression, intolerable side effects or patient choice, and the target sample size is 100 individuals.

Publications & conference data

1 peer-reviewed publication reference this trial (live from Europe PMC):

  1. Testing for her2 in breast cancer: current pathology challenges faced in Canada.
    Hanna W, Barnes P, Berendt R, Chang M, et al · · 2012 · cited 5× · PMID 23300357 · DOI 10.3747/co.19.1173

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