Breast CancerPhase 3NCT00288002
Combination Chemotherapy With or Without Capecitabine and/or Trastuzumab Before Surgery in Treating Women With Stage I, Stage II, or Stage III Breast Cancer
A Phase 3 study testing trastuzumab, capecitabine and cyclophosphamide in people with Breast Cancer, run by GBG Forschungs GmbH at 1 site in Germany.
Trial summary
RATIONALE: Drugs used in chemotherapy, such as epirubicin, cyclophosphamide, docetaxel, and capecitabine, work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. Giving more than one drug (combination chemotherapy) may kill more tumor cells. Read more about this study
- Who is it for?
- Ages 18 years and older, women only
- Conditions the study is for
- Breast Cancer
- What is being tested?
- trastuzumab, capecitabine and cyclophosphamide
- Type of treatment
- Surgery or procedure
- How many people
- 1,500 participants
- Where
- 1 siteGermany
- Study dates
- Jan 2005to not given
- Phase
- Phase 3
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- Women only
- No healthy volunteers
- Adult, Older adult
DISEASE CHARACTERISTICS:
- Histologically confirmed unilateral or bilateral primary breast cancer
- Meets 1 of the following staging criteria:
- Clinical stage T4 or T3 disease
- Clinical stage T1 and pathologic stage N+ by sentinel lymph node biopsy OR clinical stage T2, N+ disease AND estrogen receptor (ER) or progesterone receptor (PR) positive tumor
- ER and PR negative tumor (T1-4, N0-3, M0)
- Disease confirmed by core biopsy
- No fine-needle aspiration or incisional biopsy
- Bidimensionally measurable disease*
- Tumor lesion palpable and measures ≥ 2 cm OR tumor lesion ≥ 1 cm in maximum diameter by sonography
- For inflammatory disease, extent of inflammation can be used as measurable lesion NOTE: *In patients with multifocal or multicentric breast cancer, the largest lesion should be measured
- Candidate for adjuvant chemotherapy
- No low- or moderate-risk patients who are doubtful candidates for adjuvant chemotherapy and do not fulfill the staging criteria
- Known HER-2/neu status by core biopsy
- HER-2/neu positive tumor is defined as +3 by immunohistochemistry [IHC] OR positive by fluorescence in situ hybridization (FISH)
- No evidence of distant metastasis
- Hormone receptor status:
- ER- or PR-positive tumor OR ER- and PR-negative tumor
PATIENT CHARACTERISTICS:
- No male patients
- Menopausal status not specified
- Karnofsky performance status 80-100%
- Life expectancy ≥ 10 years (disregarding diagnosis of cancer)
- Normal cardiac function confirmed by ECG
- LVEF ≥ 55% by cardiac ultrasound
- Neutrophil count ≥ 2,000/mm^3
- Platelet count ≥ 100,000/mm^3
- Hemoglobin ≥ 10 g/dL
- Bilirubin normal
- AST and ALT ≤ 2.5 times upper limit of normal (ULN)
- Alkaline phosphatase (AP) ≤ 5 times ULN OR
- AP ≤ 2.5 times ULN AND AST and/or ALT ≤ 1.5 times ULN
- Creatinine ≤ 2 mg/dL
- Creatinine clearance ≥ 50 mL/min
- Not pregnant or nursing
- Negative pregnancy test
- Fertile patients must use effective nonhormonal contraception
- No motor or sensory neuropathy ≥ grade 2
- No other malignancy within the past 5 years except carcinoma in situ of the cervix or nonmelanoma skin cancer
- No New York Heart Association class II-IV congestive heart failure
- No coronary artery disease
- No history of myocardial infarction
- No uncontrolled arterial hypertension (i.e., blood pressure ≥ 160/90 mm Hg despite antihypertensive therapy)
- No rhythm abnormalities requiring permanent therapy
- No history of significant neurological or psychiatric disorders including psychotic disorders, dementia, or seizures that would preclude giving informed consent
- No active infection
- No active peptic ulcer
- No unstable diabetes mellitus or insulin-dependent type II diabetes mellitus
- No other serious illness or medical condition
- No known hypersensitivity reaction to investigational compounds or incorporated substances
- No definite contraindications for the use of corticosteroids
- No known dihydropyrimidine dehydrogenase deficiency
- Must be fit for anthracycline/taxane-containing chemotherapy
PRIOR CONCURRENT THERAPY:
- No prior chemotherapy for any malignancy
- No prior radiation therapy for breast cancer
- No concurrent bisphosphonates during chemotherapy
- Bisphosphonates allowed postoperatively
- No chronic treatment with corticosteroids unless it is initiated > 6 months prior to study entry and is given at low doses (≤ 20 mg methylprednisolone or equivalent)
- No concurrent amifostine during chemotherapy
- No concurrent cardioprotectors (e.g., dexrazoxane) during chemotherapy
- No concurrent sex hormone therapy
- No concurrent virostatic agents (e.g., sorivudine or brivudine)
- No concurrent aminoglycosides
- No other concurrent experimental drugs or anticancer therapy
- At least 30 days since prior participation in another clinical trial with any investigational (not marketed) drug
Trial locations and contacts
1 site in 1 country.
About this study
Official title: A Randomized Phase III Study Exploring the Efficacy of Capecitabine Given Concomitantly or in Sequence to EC-Doc With or Without Trastuzumab as Neoadjuvant Treatment of Primary Breast Cancer
RATIONALE: Drugs used in chemotherapy, such as epirubicin, cyclophosphamide, docetaxel, and capecitabine, work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. Giving more than one drug (combination chemotherapy) may kill more tumor cells. Monoclonal antibodies, such as trastuzumab, can block tumor growth in different ways. Some find tumor cells and kill them or carry tumor-killing substances to them. Others interfere with the ability of tumor cells to grow and spread. Giving combination chemotherapy together with monoclonal antibodies before surgery may make the tumor smaller and reduce the amount of normal tissue that needs to be removed. Giving monoclonal antibodies after surgery may kill any tumor cells that remain after surgery. It is not yet known whether combination chemotherapy is more effective with or without capecitabine and/or trastuzumab in treating breast cancer.
PURPOSE: This randomized phase III trial is studying epirubicin, cyclophosphamide, and docetaxel to compare how well they work with or without capecitabine and/or trastuzumab before surgery in treating women with stage I, stage II, or stage III breast cancer.
Read the detailed description
OBJECTIVES:
Primary
- Compare the pathologic complete response rates in women with stage I-III primary breast cancer treated with neoadjuvant epirubicin hydrochloride, cyclophosphamide, and docetaxel with versus without capecitabine followed by surgery .
- Compare the pathologic complete response rates in women with HER-2/neu-positive tumors receiving trastuzumab (Herceptin®) simultaneously with neoadjuvant epirubicin hydrochloride, cyclophosphamide, and docetaxel to women with HER-2/neu-negative tumors receiving neoadjuvant chemotherapy only.
Secondary
- Determine the toxicity of these regimens in these patients.
- Determine the disease-free (loco-regional and distant) survival and overall survival of patients treated with these regimens.
- Determine the disease-free (loco-regional and distant) survival and overall survival of patients treated with or without trastuzumab.
- Determine the breast conservation rate in patients treated with these regimens.
- Determine the frequency of the use of sentinel node biopsy for selecting patients for neoadjuvant chemotherapy.
- Compare the frequency of sentinel node biopsies at surgery after neoadjuvant chemotherapy in each arm.
- Determine the pathologic complete response rates to each regimen in the subgroup of patients with locally advanced (T4a-d, N0-3, M0) breast cancer.
- Determine the response rate (complete response, partial response, or no change) at surgery (by imaging methods and by histopathological exam) in patient subgroups according to their response after four treatments with epirubicin hydrochloride and cyclophosphamide.
- Determine the intention for the use of neoadjuvant chemotherapy, in terms of freedom from disease, avoiding mastectomy, improving breast conservation, and gaining information about efficacy.
OUTLINE: This is a randomized, controlled, open-label, multicenter study. Patients are stratified according to participating site, clinical response after 4 courses of epirubicin hydrochloride and cyclophosphamide (complete response vs partial response vs no change), HER-2/neu-status (negative vs 3+ by immunohistochemistry [IHC] or positive by fluorescence in situ hybridization [FISH]), estrogen receptor (ER)/progesterone receptor (PR) status (ER or PR positive vs ER and PR negative), and extent of disease (T4 or N3 vs T1-3 and N0-2).
All patients receive epirubicin hydrochloride IV over 30-60 minutes and cyclophosphamide IV over 60 minutes on day 1. Treatment repeats every 21 days for 4 courses in the absence of disease progression or unacceptable toxicity. Patients are then randomized to 1 of 3 treatment arms.
- Arm I: Patients receive docetaxel IV over 60 minutes on day 1. Treatment repeats every 21 days for 4 courses in the absence of disease progression or unacceptable toxicity.
- Arm II: Patients receive docetaxel as in arm I. Patients also receive oral capecitabine twice daily on days 1-14. Treatment with docetaxel and capecitabine repeats every 21 days for 4 courses in the absence of disease progression or unacceptable toxicity.
- Arm III: Patients receive docetaxel as in arm I. Patients then receive oral capecitabine twice daily on days 1-14. Treatment with capecitabine repeats every 21 days for 4 courses in the absence of disease progression or unacceptable toxicity.
Patients with HER-2/neu-positive tumors also receive trastuzumab (Herceptin®) IV over 90 minutes on day 1 of each course of chemotherapy (during treatment with epirubicin hydrochloride and cyclophosphamide AND during randomized treatment).
Within 2 weeks after completion of chemotherapy, all patients undergo surgery. Within 2 weeks after surgery, patients with HER-2/neu-positive tumors resume trastuzumab treatment for up to 1 year.
After completion of study treatment, patients are followed periodically for at least 5 years.
PROJECTED ACCRUAL: A total of 1,500 patients will be accrued for this study.
- Conditions
- Breast Cancer
- Being tested
- trastuzumab, capecitabine, cyclophosphamide, docetaxel, epirubicin hydrochloride
- Keywords
- inflammatory breast cancer, stage II breast cancer, stage IIIA breast cancer, stage IIIB breast cancer, stage IIIC breast cancer, stage IA breast cancer, stage IB breast cancer, estrogen receptor-negative breast cancer, estrogen receptor-positive breast cancer, HER2-negative breast cancer, HER2-positive breast cancer
- Medical subject headings
- Breast Neoplasms, Inflammatory Breast Neoplasms
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
trastuzumabBiological
capecitabineDrug
cyclophosphamideDrug
docetaxelDrug
epirubicin hydrochlorideDrug
adjuvant therapyProcedure or surgery
conventional surgeryProcedure or surgery
neoadjuvant therapyProcedure or surgery
What is being measured
The primary outcome is the main question the study is designed to answer.
Pathologic complete response
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted7 Feb 2006 (estimated)
- Study startJan 2005
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (7)Papers the sponsor has linked to this study.
- Other trials for Breast CancerStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 3
- Primary purpose
- Treatment
- Allocation
- Randomised
- Masking
- None (open label)
- Enrolment
- 1,500 participants (estimated)
Sponsor and investigators
- Lead sponsor
- GBG Forschungs GmbH
- Sponsor type
- University, hospital or other
- Investigators
- Gunter von Minckwitz, MD, Principal investigator, GBG Forschungs GmbH
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00288002
- Sponsor's protocol ID
- CDR0000455125
- Other IDs
- GBG-GEPARQUATTRO, GBG-40, EU-205101, AVENTIS-GBG-GEPARQUATTRO, ROCHE-AVENTIS-GBG-GEPARQUATTRO, EUDRACT-2005-001546-17
- Status last verified
- Jul 2009
- First submitted
- 6 Feb 2006
- Last updated
- 26 Aug 2013
- Results posted
- No
Publications
Untch M, Rezai M, Loibl S, Fasching PA, Huober J, Tesch H, Bauerfeind I, Hilfrich J, Eidtmann H, Gerber B, Hanusch C, Kuhn T, du Bois A, Blohmer JU, Thomssen C, Dan Costa S, Jackisch C, Kaufmann M, Mehta K, von Minckwitz G. Neoadjuvant treatment with trastuzumab in HER2-positive breast cancer: results from the GeparQuattro study. J Clin Oncol. 2010 Apr 20;28(12):2024-31. doi: 10.1200/JCO.2009.23.8451. Epub 2010 Mar 22.
PubMed 20308670von Minckwitz G, Rezai M, Loibl S, Fasching PA, Huober J, Tesch H, Bauerfeind I, Hilfrich J, Eidtmann H, Gerber B, Hanusch C, Kuhn T, du Bois A, Blohmer JU, Thomssen C, Dan Costa S, Jackisch C, Kaufmann M, Mehta K, Untch M. Capecitabine in addition to anthracycline- and taxane-based neoadjuvant treatment in patients with primary breast cancer: phase III GeparQuattro study. J Clin Oncol. 2010 Apr 20;28(12):2015-23. doi: 10.1200/JCO.2009.23.8303. Epub 2010 Mar 22.
PubMed 20308671Witzel I, Loibl S, von Minckwitz G, Mundhenke C, Huober J, Hanusch C, Henschen S, Hauschild M, Lantzsch T, Tesch H, Latos K, Just M, Hilfrich J, Barinoff J, Eulenburg CZ, Roller M, Untch M, Muller V. Monitoring serum HER2 levels during neoadjuvant trastuzumab treatment within the GeparQuattro trial. Breast Cancer Res Treat. 2010 Sep;123(2):437-45. doi: 10.1007/s10549-010-1030-9. Epub 2010 Jul 10.
PubMed 20623180Riethdorf S, Loibl S, Komor M, et al.: Incidence and kinetics of circulating tumor cells in breast cancer patients treated with primary systemic therapy including trastuzumab for patients with HER2-positive tumors a translational project within the study GeparQuattro. [Abstract] Breast Cancer Res Treat 106 (1): A-5025, S214, 2007.
von Minckwitz G, Rezai M, Loibl S, et al.: Evaluating the efficacy of capecitabine given concomitantly or in sequence to epirubicin/cyclophosphamide docetaxel as neoadjuvant treatment for primary breast cancer. First efficacy analysis of the GBG/AGO intergroup-study GeparQuattro. [Abstract] Breast Cancer Res Treat 106 (1): A-79, S21-2, 2007.
von Minckwitz G, Rezai M, Fasching PA, Huober J, Tesch H, Bauerfeind I, Hilfrich J, Eidtmann H, Gerber B, Hanusch C, Blohmer JU, Costa SD, Jackisch C, Paepke S, Schneeweiss A, Kummel S, Denkert C, Mehta K, Loibl S, Untch M. Survival after adding capecitabine and trastuzumab to neoadjuvant anthracycline-taxane-based chemotherapy for primary breast cancer (GBG 40--GeparQuattro). Ann Oncol. 2014 Jan;25(1):81-9. doi: 10.1093/annonc/mdt410. Epub 2013 Nov 21.
PubMed 24273046von Minckwitz G, Untch M, Blohmer JU, Costa SD, Eidtmann H, Fasching PA, Gerber B, Eiermann W, Hilfrich J, Huober J, Jackisch C, Kaufmann M, Konecny GE, Denkert C, Nekljudova V, Mehta K, Loibl S. Definition and impact of pathologic complete response on prognosis after neoadjuvant chemotherapy in various intrinsic breast cancer subtypes. J Clin Oncol. 2012 May 20;30(15):1796-804. doi: 10.1200/JCO.2011.38.8595. Epub 2012 Apr 16.
PubMed 22508812
Study at a glance
From the registry record, last updated by the sponsor on 26 Aug 2013. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Randomized Phase III Study Exploring the Efficacy of Capecitabine Given Concomitantly or in Sequence to EC-Doc With or Without Trastuzumab as Neoadjuvant Treatment of Primary Breast Cancer
- ClinicalTrials.gov ID
- NCT00288002
- Acronym / sponsor ID
- CDR0000455125
- Conditions
- Breast Cancer
- Keywords
- inflammatory breast cancer, stage II breast cancer, stage IIIA breast cancer, stage IIIB breast cancer, stage IIIC breast cancer, stage IA breast cancer, stage IB breast cancer, estrogen receptor-negative breast cancer
- Phase
- Phase 3
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 1,500 participants (estimated)
- Lead sponsor
- GBG Forschungs GmbHUniversity, hospital or other
- Study start
- Jan 2005
- First posted
- 7 Feb 2006 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
RATIONALE: Drugs used in chemotherapy, such as epirubicin, cyclophosphamide, docetaxel, and capecitabine, work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. Giving more than one drug (combination chemotherapy) may kill more tumor cells. Monoclonal antibodies, such as trastuzumab, can block tumor growth in different ways. Some find tumor cells and kill them or carry tumor-killing substances to them. Others interfere with the ability of tumor cells to grow and spread. Giving combination chemotherapy together with monoclonal antibodies before surgery may make the tumor smaller and reduce the amount of normal tissue that needs to be removed. Giving monoclonal antibodies after surgery may kill any tumor cells that remain after surgery. It is not yet known whether combination chemotherapy is more effective with or without capecitabine and/or trastuzumab in treating breast cancer.
PURPOSE: This randomized phase III trial is studying epirubicin, cyclophosphamide, and docetaxel to compare how well they work with or without capecitabine and/or trastuzumab before surgery in treating women with stage I, stage II, or stage III breast cancer.
Detailed description
OBJECTIVES:
Primary
- Compare the pathologic complete response rates in women with stage I-III primary breast cancer treated with neoadjuvant epirubicin hydrochloride, cyclophosphamide, and docetaxel with versus without capecitabine followed by surgery .
- Compare the pathologic complete response rates in women with HER-2/neu-positive tumors receiving trastuzumab (Herceptin®) simultaneously with neoadjuvant epirubicin hydrochloride, cyclophosphamide, and docetaxel to women with HER-2/neu-negative tumors receiving neoadjuvant chemotherapy only.
Secondary
- Determine the toxicity of these regimens in these patients.
- Determine the disease-free (loco-regional and distant) survival and overall survival of patients treated with these regimens.
- Determine the disease-free (loco-regional and distant) survival and overall survival of patients treated with or without trastuzumab.
- Determine the breast conservation rate in patients treated with these regimens.
- Determine the frequency of the use of sentinel node biopsy for selecting patients for neoadjuvant chemotherapy.
- Compare the frequency of sentinel node biopsies at surgery after neoadjuvant chemotherapy in each arm.
- Determine the pathologic complete response rates to each regimen in the subgroup of patients with locally advanced (T4a-d, N0-3, M0) breast cancer.
- Determine the response rate (complete response, partial response, or no change) at surgery (by imaging methods and by histopathological exam) in patient subgroups according to their response after four treatments with epirubicin hydrochloride and cyclophosphamide.
- Determine the intention for the use of neoadjuvant chemotherapy, in terms of freedom from disease, avoiding mastectomy, improving breast conservation, and gaining information about efficacy.
OUTLINE: This is a randomized, controlled, open-label, multicenter study. Patients are stratified according to participating site, clinical response after 4 courses of epirubicin hydrochloride and cyclophosphamide (complete response vs partial response vs no change), HER-2/neu-status (negative vs 3+ by immunohistochemistry [IHC] or positive by fluorescence in situ hybridization [FISH]), estrogen receptor (ER)/progesterone receptor (PR) status (ER or PR positive vs ER and PR negative), and extent of disease (T4 or N3 vs T1-3 and N0-2).
All patients receive epirubicin hydrochloride IV over 30-60 minutes and cyclophosphamide IV over 60 minutes on day 1. Treatment repeats every 21 days for 4 courses in the absence of disease progression or unacceptable toxicity. Patients are then randomized to 1 of 3 treatment arms.
- Arm I: Patients receive docetaxel IV over 60 minutes on day 1. Treatment repeats every 21 days for 4 courses in the absence of disease progression or unacceptable toxicity.
- Arm II: Patients receive docetaxel as in arm I. Patients also receive oral capecitabine twice daily on days 1-14. Treatment with docetaxel and capecitabine repeats every 21 days for 4 courses in the absence of disease progression or unacceptable toxicity.
- Arm III: Patients receive docetaxel as in arm I. Patients then receive oral capecitabine twice daily on days 1-14. Treatment with capecitabine repeats every 21 days for 4 courses in the absence of disease progression or unacceptable toxicity.
Patients with HER-2/neu-positive tumors also receive trastuzumab (Herceptin®) IV over 90 minutes on day 1 of each course of chemotherapy (during treatment with epirubicin hydrochloride and cyclophosphamide AND during randomized treatment).
Within 2 weeks after completion of chemotherapy, all patients undergo surgery. Within 2 weeks after surgery, patients with HER-2/neu-positive tumors resume trastuzumab treatment for up to 1 year.
After completion of study treatment, patients are followed periodically for at least 5 years.
PROJECTED ACCRUAL: A total of 1,500 patients will be accrued for this study.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Masking
- None (open label)
Who may qualify
- Ages
- 18 years and older
- Sex
- Female only
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| trastuzumab | Biological | – |
| capecitabine | Drug | – |
| cyclophosphamide | Drug | – |
| docetaxel | Drug | – |
| epirubicin hydrochloride | Drug | – |
| adjuvant therapy | Procedure or surgery | – |
| conventional surgery | Procedure or surgery | – |
| neoadjuvant therapy | Procedure or surgery | – |
Primary outcome
Pathologic complete response
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 26 Aug 2013.
- Results publication: PubMed 20308670Untch M, Rezai M, Loibl S, Fasching PA, Huober J, Tesch H, Bauerfeind I, Hilfrich J, Eidtmann H, Gerber B, Hanusch C, Kuhn T, du Bois A, Blohmer JU, Thomssen C, Dan Costa S, Jackisch C, Kaufmann M, Mehta K, von Minckwitz G. Neoadjuvant treatment with trastuzumab in HER2-positive breast cancer: results from the GeparQuattro study. J Clin Oncol. 2010 Apr 20;28(12):2024-31. doi: 10.1200/JCO.2009.23.8451. Epub 2010 Mar 22.
- Results publication: PubMed 20308671von Minckwitz G, Rezai M, Loibl S, Fasching PA, Huober J, Tesch H, Bauerfeind I, Hilfrich J, Eidtmann H, Gerber B, Hanusch C, Kuhn T, du Bois A, Blohmer JU, Thomssen C, Dan Costa S, Jackisch C, Kaufmann M, Mehta K, Untch M. Capecitabine in addition to anthracycline- and taxane-based neoadjuvant treatment in patients with primary breast cancer: phase III GeparQuattro study. J Clin Oncol. 2010 Apr 20;28(12):2015-23. doi: 10.1200/JCO.2009.23.8303. Epub 2010 Mar 22.
- Results publication: PubMed 20623180Witzel I, Loibl S, von Minckwitz G, Mundhenke C, Huober J, Hanusch C, Henschen S, Hauschild M, Lantzsch T, Tesch H, Latos K, Just M, Hilfrich J, Barinoff J, Eulenburg CZ, Roller M, Untch M, Muller V. Monitoring serum HER2 levels during neoadjuvant trastuzumab treatment within the GeparQuattro trial. Breast Cancer Res Treat. 2010 Sep;123(2):437-45. doi: 10.1007/s10549-010-1030-9. Epub 2010 Jul 10.
- Results publicationRiethdorf S, Loibl S, Komor M, et al.: Incidence and kinetics of circulating tumor cells in breast cancer patients treated with primary systemic therapy including trastuzumab for patients with HER2-positive tumors a translational project within the study GeparQuattro. [Abstract] Breast Cancer Res Treat 106 (1): A-5025, S214, 2007.
- Results publicationvon Minckwitz G, Rezai M, Loibl S, et al.: Evaluating the efficacy of capecitabine given concomitantly or in sequence to epirubicin/cyclophosphamide docetaxel as neoadjuvant treatment for primary breast cancer. First efficacy analysis of the GBG/AGO intergroup-study GeparQuattro. [Abstract] Breast Cancer Res Treat 106 (1): A-79, S21-2, 2007.
- Derived from this study: PubMed 24273046von Minckwitz G, Rezai M, Fasching PA, Huober J, Tesch H, Bauerfeind I, Hilfrich J, Eidtmann H, Gerber B, Hanusch C, Blohmer JU, Costa SD, Jackisch C, Paepke S, Schneeweiss A, Kummel S, Denkert C, Mehta K, Loibl S, Untch M. Survival after adding capecitabine and trastuzumab to neoadjuvant anthracycline-taxane-based chemotherapy for primary breast cancer (GBG 40--GeparQuattro). Ann Oncol. 2014 Jan;25(1):81-9. doi: 10.1093/annonc/mdt410. Epub 2013 Nov 21.
- Derived from this study: PubMed 22508812von Minckwitz G, Untch M, Blohmer JU, Costa SD, Eidtmann H, Fasching PA, Gerber B, Eiermann W, Hilfrich J, Huober J, Jackisch C, Kaufmann M, Konecny GE, Denkert C, Nekljudova V, Mehta K, Loibl S. Definition and impact of pathologic complete response on prognosis after neoadjuvant chemotherapy in various intrinsic breast cancer subtypes. J Clin Oncol. 2012 May 20;30(15):1796-804. doi: 10.1200/JCO.2011.38.8595. Epub 2012 Apr 16.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Gunter von Minckwitz, MD principal investigator
GBG Forschungs GmbH
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 3 study testing trastuzumab, capecitabine and cyclophosphamide in people with Breast Cancer, run by GBG Forschungs GmbH at 1 site in Germany.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 26 Aug 2013. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Germany. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Pathologic complete response. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT00288002, which also lists 7 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 26 Aug 2013.