Status:

COMPLETED

Pilot Efficacy Study of PI-88 With Docetaxel to Treat Prostate Cancer

Lead Sponsor:

Progen Pharmaceuticals

Collaborating Sponsors:

Northern Sydney and Central Coast Area Health Service

Aventis Pharmaceuticals

Conditions:

Prostate Cancer

Eligibility:

MALE

18+ years

Phase:

PHASE2

Brief Summary

Docetaxel (Taxotere) is an approved chemotherapeutic drug for the treatment of androgen-independent prostate cancer. The aim of the study is to investigate whether addition of the investigational drug...

Detailed Description

The trial is a multi-centre, open-label randomised phase II study in patients with androgen-independent prostate cancer (AIPC), with a lead-in combination tolerance study. The aim of the lead-in phase...

Eligibility Criteria

Inclusion

  • Histologically/cytologically proven prostate adenocarcinoma that is unresponsive or refractory to hormone therapy
  • Patients must have received prior hormonal therapy, defined as castration by orchiectomy and/or luteinizing hormone releasing hormone (LHRH) agonists
  • Patients must have documented progression detected by PSA increase, physical examination and/or imaging
  • Patients must have achieved stable pain control for a minimum of seven consecutive days prior to study entry.
  • Prior radiation therapy (to \< 25% of the bone marrow only) is permitted. At least 4 weeks must have elapsed since the completion of radiation therapy and the patient must have recovered from side effects prior to study entry.
  • Prior surgery is allowed. At least 4 weeks must have elapsed since the completion of surgery
  • Life expectancy \> 3 months
  • ECOG Performance score of \< 2.
  • Neutrophil count \> 1.5 x 109/L (1,500/mm3)
  • Haemoglobin \> 10 g/dL
  • Platelet count \> 100 x 109/L (100,000/mm3)
  • Total bilirubin \< the upper limit of normal (ULN) of the institution
  • ALT (SGPT) and AST (SGOT) \< 1.5 x the ULN of the institution
  • Calculated creatinine clearance, using Cockroft and Gault formula, \>60 mL/min
  • APTT and PT \< 1.5 X ULN
  • Patients (or legally acceptable representative) must have voluntarily given written informed consent to participate in this study.
  • Patients must be willing to comply with the scheduled visit, treatment plans, laboratory tests, and other study procedures

Exclusion

  • Prior cytotoxic chemotherapy
  • Prior isotope therapy (e.g., strontium, samarium)
  • Prior radiotherapy to \>25% of bone marrow (whole pelvic irradiation is not allowed)
  • Prior treatment with biological response modifiers within the previous 4 weeks
  • Prior malignancy except the following: adequately treated basal cell or squamous cell skin cancer, or any other cancer from which the patient has been disease-free for \> 5 years
  • Known brain or leptomeningeal involvement
  • Symptomatic peripheral neuropathy \> grade 2 according to the NCI Common Terminology Criteria for Adverse Events v3 (NCI CTCAE v3)
  • Serious intercurrent medical illness that does not permit adequate follow-up and compliance with the study protocol
  • History of immune-mediated thrombocytopenia, thrombotic thrombocytopenic purpura or other platelet disease, or laboratory evidence of anti-heparin antibodies
  • Use of drugs that may inhibit the metabolism of docetaxel (cyclosporin, terfenadine, ketoconazole, erythromycin, troleandomycin) within the previous week or during the study
  • Concurrent treatment with other experimental drugs. Participation in another clinical trial with any investigational drug within 30 days prior to study screening
  • Treatment with any other anti-cancer therapy (except LHRH agonists) including any prescribed compounds and/or over-the-counter (OTC) products for the treatment of prostate cancer must be stopped prior to day of enrolment
  • Treatment with systemic corticosteroids used for reasons other than specified by the protocol must be stopped prior to day of enrolment
  • Concomitant bisphosphonate therapy is not allowed. Patients already receiving bisphosphonates must be stopped prior to day of enrolment
  • Concomitant use of aspirin (\> 150 mg/day), non-steroidal anti-inflammatory drugs (except specific COX-2 inhibitors), heparin, low molecular weight heparin (LMWH), warfarin (\> 1 mg/day) or anti-platelet drugs (abciximab, clopidogrel, dipyridamole, ticlopidine and tirofiban). Low-dose aspirin (≤ 150 mg/day) and low-dose warfarin (≤ 1 mg/day) are permitted as concomitant medications
  • Treatment with heparin or low molecular weight heparin within the previous two weeks is not permitted
  • History of allergy and/or hypersensitivity to heparin or other anti-coagulants/thrombolytic agents
  • History of acute or chronic gastrointestinal bleeding within the last two years, inflammatory bowel disease or other abnormal bleeding tendency
  • Patients at risk of bleeding due to open wounds or planned surgery
  • Myocardial infarction, stroke or congestive heart failure within the past three months
  • Uncontrolled or serious infection within the past four weeks

Key Trial Info

Start Date :

August 1 2005

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

February 1 2008

Estimated Enrollment :

48 Patients enrolled

Trial Details

Trial ID

NCT00268593

Start Date

August 1 2005

End Date

February 1 2008

Last Update

June 15 2011

Active Locations (8)

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Page 1 of 2 (8 locations)

1

Sydney Haematology and Oncology Clinics

Hornsby, New South Wales, Australia, 2077

2

St George Hospital

Kogarah, New South Wales, Australia, 2217

3

Lismore Base Hospital

Lismore, New South Wales, Australia, 2477

4

Port Macquarie Base Hospital

Port Macquarie, New South Wales, Australia, 2444