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Docetaxel With a Phytochemical in Treating Patients With Hormone Independent Metastatic Prostate Cancer (PROTAXY)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01012141
Recruitment Status : Completed
First Posted : November 11, 2009
Last Update Posted : April 10, 2013
Information provided by (Responsible Party):
Philippe Chollet, Centre Jean Perrin

Brief Summary:
RATIONALE : Drugs used in chemotherapy, such as docetaxel, work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. Dietary supplements, such as phytochemicals, may stop or delay the development of prostate cancer.

Condition or disease Intervention/treatment Phase
Metastatic Prostate Cancer Dietary Supplement: phytochemical Drug: Docetaxel Phase 2

Detailed Description:
The purpose of this study is to assess the pathological response rate in metastatic prostate cancer patients treated by : Docetaxel with a phytochemical

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 30 participants
Allocation: Non-Randomized
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Pilot Phase II Study of Docetaxel in Combination With a Dietary Phytonutrient in First Line Treatment of Hormone Independent Metastatic Prostate Cancer
Study Start Date : September 2009
Actual Primary Completion Date : April 2011
Actual Study Completion Date : April 2011

Resource links provided by the National Library of Medicine

Drug Information available for: Docetaxel

Primary Outcome Measures :
  1. Response rate as assessed by clinical, biological and paraclinical examination

Secondary Outcome Measures :
  1. Safety as assessed by NCI CTCAE v3.0
  2. To assess the best neuroendocine markers between chromogranin A (CgA), neuron-specific enolase (NSE) and serotonin
  3. Time to progression as assessed by RECIST criteria and PSA level
  4. To assess compliance of per os phytonutrient treatment
  5. Geriatric assessment impact on compliance

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   Male
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Age >18
  • WHO performance status 0-2
  • Life expectancy ≥ 3 months
  • Patients receiving androgen-suppressive therapy in the form of chirurgical castration by orchiectomy or pulpectomy,or medical by LHRH agonist or antagonist with or without anti-androgen or all treatment blocking non gonadic testosterone fraction
  • Resulting to testosteronemia <0,5 ng/ml
  • Histologically confirmed adenocarcinomia of prostate cancer and documented hormone independant metastatic disease - defined by: objective progression with at least one measurable lesion and/or evaluable lesion according to RECIST criteria and /or a rise in PSA level ("rising PSA")
  • Total bilirubin ≤ upper limit of normal (ULN).
  • AST and ALT ≤ 1.5 times ULN. Alkaline phosphatase ≤ 2.5 times ULN.
  • Serum creatinine < 140 µmol/L or creatinine clearance > 60 mL/ min.
  • Neutrophil count > 2.109 L-1.
  • Platelet count ≥ 100,000/mm3.
  • Hemoglobin ≥ 10 g/dL
  • Not previous chemotherapy, except Estracyt
  • No liver, kidney or heart failure link to treatment
  • No malabsorption syndrome or disease significantly affecting gastrointestinal function
  • Prior radiotherapies are permetted withing four weeks of the first study treatment and must be < 25 % of the bone marrow, and all adverse events must be resolved
  • Prior surgery are permitted.

Exclusion Criteria:

  • Age < 18
  • History of psychiatric disorders including psychotic disorder, dementia or seizures that would prohibit the understanding, observance and giving of informed consent
  • Previous or concomitant other malignancies except basal or squamous cell carcinoma of the skin or other cancer curatively treated with surgery and/or radiotherapy
  • Patients should not have symptomatic brain metastasis
  • Concurrent severe and/or uncontrolled co-morbid medical condition
  • Malabsorption syndrome or disease significantly affecting gastro-intestinal function or major resection of the stomach, proximal small bowel or grade > 2 dysphagia
  • Patients with uncontrolled infection
  • History of significant neurologic (i.e. peripheral neuropathy grade > 2 using NCI-CTC criteria v3.0)
  • Patients should not have received NSAIDs or COX2 inhibitors within the three weeks prior to starting the study
  • Treatment with any investigational drug within 30 days prior to registration
  • Patients should not have current regimen containing dietary phytonutrients

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT01012141

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Centre Jean Perrin
Clermont-Ferrand, France, 63011
Institut Jean Godinot
Reims, France, 51056
Sponsors and Collaborators
Centre Jean Perrin
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Study Chair: Philippe Chollet, MD Centre Jean Perrin

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Responsible Party: Philippe Chollet, Pr, Centre Jean Perrin Identifier: NCT01012141    
Other Study ID Numbers: AU 793
First Posted: November 11, 2009    Key Record Dates
Last Update Posted: April 10, 2013
Last Verified: November 2009
Additional relevant MeSH terms:
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Prostatic Neoplasms
Genital Neoplasms, Male
Urogenital Neoplasms
Neoplasms by Site
Genital Diseases, Male
Prostatic Diseases
Antineoplastic Agents
Tubulin Modulators
Antimitotic Agents
Mitosis Modulators
Molecular Mechanisms of Pharmacological Action
Hormones, Hormone Substitutes, and Hormone Antagonists
Physiological Effects of Drugs