Advanced Breast Cancer Clinical Trial
Official title:
Phase III, Multicenter, Randomized Trial of Maintenance Versus Observation After Achieving Clinical Response in Pts With Metastatic or Recurrent Breast Cancer Who Received 6 Cycles of Gemcitabine Plus Paclitaxel(GP) as 1st-line Chemotherapy
Verified date | April 2017 |
Source | Samsung Medical Center |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The primary goal of therapy in patients with metastatic breast cancer is palliation and prolongation of life with quality. Although there are no randomized trials comparing chemotherapy with supportive care in women with metastatic breast cancer, chemotherapy clearly provides a survival benefit in metastatic breast cancer. Due to diagnosis at earlier phases of metastatic disease and more effective therapies, the median survival of patients treated with modern taxane-based chemotherapy is now reaching approximately 2 years. The duration of chemotherapy in patients responding or stable disease remains controversial, since quality of life is not usually adversely affected and may even be improved in many patients receiving cytotoxic chemotherapy. In addition, many commonly used chemotherapeutic agents are not limited by cumulative toxicity in metastatic breast cancer patients. Several studies investigated the role of maintenance chemotherapy suggest that maintenance chemotherapy is associated with superior time to progression but no survival gain. However, these randomized trials did not incorporate taxane-based chemotherapeutic regimens, the new standard of care in metastatic breast cancer patients these days. A 1998 metaanalysis of 1,986 patients randomly assigned between combination chemotherapy and single-agent therapy in metastatic breast cancer patients demonstrated a survival advantage to combination chemotherapy, with a hazard ratio of 0.82 (range, 0.75 to 0.90). Although there are several randomized trials showing negative results for survival gain in patients who received maintenance chemotherapy, the role of maintenance chemotherapy with newer agents, such as docetaxel or paclitaxel, have not been established yet. Although Italian MANTA trial demonstrated no difference in PFS or survival between the two arms, their metaanalysis advocated survival benefit of maintenance therapy. Since gemcitabine/paclitaxel (GP) combination chemotherapy is one of the two regimens which showed definite survival gain with favorable toxicity from a randomized trial, we plan to randomize patients who responded to six cycles of GP induction chemotherapy to receive additional maintenance GP chemotherapy until disease progression versus observation. We hypothesize that patients who receive maintenance GP chemotherapy will do better in terms of progression free survival.
Status | Completed |
Enrollment | 326 |
Est. completion date | December 2016 |
Est. primary completion date | December 2016 |
Accepts healthy volunteers | No |
Gender | Female |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria - Histologically Confirmed Metastatic, or Recurrent Breast Cancer - Age over 18 Years - ECOG Performance Status 0-2 - Premenopausal or Postmenopausal Breast Cancer Patients With Measurable or Non-Measurable Lesions, Who Are Candidates for Chemotherapy - Life Expectancy = 3 Months - Patients May Have Received Prior Neoadjuvant or Adjuvant Taxane Regimen as Long as it Has Been 12 Months Since Completion of Regimen. - Patients Either May or May Not Have a Prior Anthracycline Containing Regimen. - Prior Hormonal Therapy as a Treatment of Metastatic Disease is Allowed. But Antitumoral Hormonal Therapy Must be Terminated Prior to Enrollment(up to the Date of Randomization) - Prior Radiation Therapy Allowed as Long as < 25% of the Bone Marrow Has Been Treated,and the Patients Must Have Recovered From the Acute Toxic Effects of the Treatment Prior to Study Enrollment.Prior Radiation to the Whole Pelvis is Not Allowed. Prior Radiotherapy Must be Completed 4 Weeks Before Study Entry. - Adequate Bone Marrow Function (= ANC 1,500/ul, = Platelet 100,000/ul, = Hemoglobin 9.0 g/dl) - Adequate Renal Function (= Serum Creatinine 1.5 mg/dl or CCr = 50 ml/Min) - Adequate Liver Function (= Serum Bilirubin 1.5 mg/dl, = AST/ALT x 3 Upper Normal Limit) - No Prior History of Chemotherapy for Metastatic, Recurrent Breast Cancer - Written Informed consent. Exclusion Criteria - Serious Uncontrolled Intercurrent Infections - Serious Intercurrent Medical or Psychiatric Illness, Including Active Cardiac Disease - Pregnancy or Breast Feeding - Second Primary Malignancy(Except Cancer of Cervix or Skin or Other Malignancy Treated at Least 5 Years Previously With no Evidence of Recurrence) - Documented Parenchymal or Leptomeningeal Brain Metastasis - Peripheral Neuropathy = Grade 2 - Prior Treatment With Gemcitabine Will Not be Allowed. - HER-2 Overexpressing Breast Cancer and Concomitant Trastuzumab Treatment is Not Allowed |
Country | Name | City | State |
---|---|---|---|
Korea, Republic of | Hanlym University Hospital | Anyang | Kyeongki-Do |
Korea, Republic of | Bundang Seoul National University Hospital | Bundang | Kyeongki-Do |
Korea, Republic of | Daegu Patima Hospital | Daegu | |
Korea, Republic of | Inha University School of Medicine | Inchon | |
Korea, Republic of | Yeungnam University Hospital | Kyungsan | Kyungsangbuk-Do |
Korea, Republic of | Asan Medical Center | Seoul | |
Korea, Republic of | Ewha University Hospital | Seoul | |
Korea, Republic of | Kunkuk University Hospital | Seoul | |
Korea, Republic of | National Cancer Center | Seoul | |
Korea, Republic of | Samsung Medical Center | Seoul | |
Korea, Republic of | Seoul National University Hospital | Seoul | |
Korea, Republic of | Soonchunhyang University Hospital | Seoul | |
Korea, Republic of | Yonsei University Hospital | Seoul | |
Korea, Republic of | Ajou University University Hospital | Suwon | Kyungki-Do |
Korea, Republic of | Ulsan University Hospital | Ulsan |
Lead Sponsor | Collaborator |
---|---|
Samsung Medical Center | Korean Cancer Study Group |
Korea, Republic of,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Progression free survival | approximately 4 years | ||
Secondary | a) overall survival b) quality of life c) toxicity of GP chemotherapy d) duration of response | approximately 4 years |
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