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Carboplatin Plus Docetaxel (Taxotere) in Anaplastic Prostate Cancer

Information source: M.D. Anderson Cancer Center
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Prostate Cancer

Intervention: Docetaxel (Drug); Carboplatin (Drug)

Phase: Phase 2

Status: Completed

Sponsored by: M.D. Anderson Cancer Center

Official(s) and/or principal investigator(s):
Ana M. Aparicio, MD, Principal Investigator, Affiliation: M.D. Anderson Cancer Center


The goal of this clinical research study is to learn about how effective 2 different schedules of chemotherapy drugs (Paraplatin [carboplatin] plus Taxotere [docetaxel] and VePesid [etoposide] plus Platinol-AQ [cisplatin]) are in the treatment of patients with anaplastic prostate cancer. The safety of both therapy combinations will also be studied.

Clinical Details

Official title: Phase II Study of Carboplatin Plus Docetaxel (Taxotere) in Patients With Anaplastic Prostate Carcinoma

Study design: Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Primary outcome:

Response Rate

Median Overall Survival

Detailed description: Carboplatin is designed to interfere with the growth of cancer cells by stopping cell division. Docetaxel is designed to stop the growth of cancer cells, which may cause the cells to die. It is believed to be weakly effective at killing blood vessels in cancer cells as well. Etoposide is a drug that has been shown to interfere with the growth of cancer cells, which may cause them to eventually die. Cisplatin has an atom at its center that contains platinum. The platinum is supposed to poison the cancer cells, which may cause them to eventually die. If you are found to be eligible to take part in this study, you will receive carboplatin plus docetaxel by a vein or central line in a vein. You will receive carboplatin over about 30 minutes and docetaxel over about 60 minutes. You will receive this therapy combination on Day 1 of each cycle of therapy (every 3-4 weeks), depending on the recovery of your bone marrow. These 3-4 weeks are considered 1 cycle of therapy. This therapy combination will be given on an outpatient basis. If you experience any side effects, your dose of docetaxel plus carboplatin may be decreased. You will be given dexamethasone, by a vein in your arm, by central line in a vein, or by mouth, before your therapy begins with docetaxel plus carboplatin. Dexamethasone will help decrease bone marrow inflammation. You will also be given a colony stimulating factor (when the doctor thinks it is needed) to help maintain your white blood cell count to help decrease any chance of infection. Colony stimulating factor will be given as a subcutaneous injection (under the skin), at the discretion of the treating physician, during therapy. You will have about 2-3 tablespoons of blood drawn at the beginning of each cycle of therapy for routine blood tests and blood tests for cancer markers. You will be asked about any medications you are currently taking. At the end of the first 2 cycles of therapy, you will have some or all of the scans (performed during the screening visit) repeated to evaluate your disease. If your disease is responding well to the therapy, you will continue on docetaxel plus carboplatin for 2 more cycles. In this case, you will continue receive the study combination until your doctor thinks you have received the most benefit. You will then be followed with some or all of the scans (performed during the screening visit) every 2 months unless your cancer progresses (gets worse) or until you begin on a new therapy after your treatment has ended on this study. If you are already taking hormone therapy with an luteinizing hormone-releasing hormone (LHRH) agonist (such as Lupron or Zoladex) , you will continue taking these medications. If you are taking an anti-androgen drug (such as Casodex), you should stop taking it. If your cancer is progressing after having had a maximal response, if your disease does not respond after 2 courses of therapy, or if you are not able to tolerate some side effects of docetaxel plus carboplatin, your chemotherapy will be switched to etoposide plus cisplatin. If this is the case, etoposide plus cisplatin will be given to you by a vein in your arm or central line in a vein. You will receive this therapy combination once a day (etoposide over 60 minutes and cisplatin over 2 hours) for the first 3 days during each cycle of therapy, and then therapy will be repeated every 3 to 4 weeks. Therapy with etoposide plus cisplatin will be continued as long as your cancer responds well to this therapy and you are not experiencing any intolerable side effects. If you experience any side effects, your dose of etoposide plus cisplatin may be decreased. This treatment combination may be given on an inpatient basis. You will be removed from this study if your disease gets worse or you experience any intolerable side effects. If you come off this study because you completed therapy, your disease got worse, or you experienced intolerable side effects, you will have an end-of-study visit. During this visit, you will have blood drawn (about 3 tablespoons) for routine tests. You will have a complete physical exam, including measurement of your vital signs. You will also have your complete medical history recorded and you will be asked about any medications you are currently taking. You will have imaging scans to evaluate your disease (similar to those at screening) if they have not been done in the last 28 days. Once you are no longer on this study, the research staff will periodically check up on you (about every 6 months). This update will consist of a phone call, an e-mail, or a review of your medical and/or other records. No clinic visits or additional diagnostic studies are required by the study. If contacted by phone, the call would only last a few minutes. This is an investigational study. Carboplatin, docetaxel, etoposide, and cisplatin are all commercially available and approved by the FDA. Up to 120 patients will take part in this multicenter study. Up to 90 will be enrolled at MD Anderson.


Minimum age: 18 Years. Maximum age: N/A. Gender(s): Male.


Inclusion Criteria: 1. Patient must have androgen independent Stage IV prostate cancer, with anaplastic features as defined by at least one of the following: a) Histologic evidence of small cell(pure/mixed), locally advanced or metastatic; b) Any of the following at Dx: exclusive visceral mets, predominant lytic mets, bulky ( >/= 5 cm) lymphadenopathy, or bulky ( >/= 5 cm) high-grade (Gleason >/= 8) tumor mass in the prostate/pelvis c) Low PSA at Dx + high volume bone mets. 2. (#1 cont'd) d) Neuroendocrine markers in histology (+ Chromogranin A and/or Synaptophysin) or serum (abnl high serum Chromogranin A or Bombesin) at Dx or at progression plus any of the following: elevated serum LDH, malignant HyperCa+, or elevated serum CEA in the absence of other etiologies. e) Short interval (< 6 months) to androgen-independent progression following initiation of hormonal therapy with or without presence of neuroendocrine markers. 3. Patients with small cell carcinoma on histology are not required to have received prior androgen deprivation therapy (ADT). All other patients must have evidence of disease progression while on ADT or an unsatisfactory response to >/= 1 month of castration, as defined by lack of symptom control and/or serum tumor marker response of < 20% (confirmed by a second value drawn on a different day). 4. Zubrod performance status of /= 50% within 4 months. 6. Patient has all of the following pretreatment laboratory data within 14 days before registration: • Absolute neutrophil count (ANC) >=1,500/mm^3.(unless due to bone marrow infiltration by tumor, in which case ANC >/= 500/mm^3 are allowed). • Platelets >=100,000/mm^3 (unless due to bone marrow infiltration by tumor, in which case platelets >/= 20,000/mm^3 are allowed) 7. (#7 cont'd) • Total bilirubin /= 40 (either measured or calculated by Cockcroft formula) • Castrate levels of serum testosterone ( 50ng/mL) 8. Patient has given voluntary written informed consent before performance of any study-related procedure not part of standard medical care. Exclusion Criteria: 1. Immunotherapy or chemotherapy within four weeks (nitrosoureas within six weeks) of registration. 2. 2 or more prior chemotherapy regimens (ketoconazole, aminoglutethimide or dutasteride do not count as chemotherapy for this trial). 3. Prior Platinum, Etoposide, or Taxane-based therapy that was completed less than 6 months from registration. 4. Samarium-153 within four weeks of registration, or Strontium-89 within 12 weeks of registration. Patients who have received 2 or more doses of bone-seeking radioisotopes are not eligible. 5. Patient has not recovered from all serious toxic effects of previous chemotherapy, radiation or antibody therapy, or from previous major surgery. 6. Patients with symptomatic and untreated brain metastases or central nervous system disease will be excluded. Patients with untreated, asymptomatic brain metastasis (not requiring corticosteroid treatment for control of CNS symptoms) may be eligible, at the discretion of the MDACC Principal Investigator. Patients with treated brain metastases are eligible. 7. Patient with significant atherosclerotic disease, as defined by: a) myocardial infarction within six months of enrollment. Current uncontrolled/unstable angina pectoris or electrocardiographic evidence of acute ischemia b) clinically significant ventricular arrhythmias c) symptomatic congestive heart failure (NYHA Class III) 8. Patient has >= Grade 2 peripheral neuropathy. 9. Patient has renal insufficiency with CrCL < 40ml/min with non-correctable etiologies. 10. Patient has an uncontrolled intercurrent illness (e. g., active infection). 11. Patient has another serious medical or psychiatric illness that could, in the investigator's opinion, potentially interfere with the patient's ability to provide informed consent or with the completion of treatment according to this protocol.

Locations and Contacts

University of California-San Francisco, San Francisco, California 94143, United States

UT MD Anderson Cancer Center, Houston, Texas 77030, United States

Additional Information

MD Anderson Cancer Center website

Starting date: May 2006
Last updated: January 16, 2014

Page last updated: August 23, 2015

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