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A Phase II Trial of TPI 287 in Patients With Metastatic Prostate Cancer Who Have Progressive Neoplastic Disease Following Treatment With One Prior Taxane Regimen

Phase 2
18 Years
Not Enrolling
Prostate Cancer

Thank you

Trial Information

A Phase II Trial of TPI 287 in Patients With Metastatic Prostate Cancer Who Have Progressive Neoplastic Disease Following Treatment With One Prior Taxane Regimen

This is an open-label, multi-center, 2-stage Simon design, Phase 2 study of TPI 287 in
patients with metastatic, hormone-refractory prostate cancer. All patients must have
received prior taxane therapy. Up to 80 patients will be enrolled and stratified based on
duration of cumulative exposure to a single prior taxane regimen. A single taxane regimen is
considered to he a taxane or taxane containing therapy administered on a defined schedule
with no more than 2 months' interruption between treatments, and total exposure will be
assessed by the number of months on that schedule.

One stratum (up to 40 patients) will consist of patients who have had over 3 months (up to a
maximum of 10 months) exposure to a taxane regimen, who then have documented progression of
disease (initially taxane sensitive). The second stratum (up to 40 patients) will consist of
patients considered primarily resistant to taxanes who have had documented progressive
disease as best response after exposure to a single taxane regimen for less than or equal to
3 months. Patients may have received prior hormonal therapy and/or bisphosphonates and may
continue on these therapies.

In the first stage of the trial, 22 patients in each stratum will be treated with TPI 287
intravenously every 21 days. If 1 or fewer patients in either stratum demonstrate a response
in this first stage, the trial will be discontinued for that stratum. Otherwise, an
additional 18 patients in the stratum showing 2 or more responses will be enrolled in the
second stage of the study. If 4 or fewer patients demonstrate a response in the total study
population in either stratum from stages 1 and 2, then the drug will not be considered of
interest in prostate cancer for patients as defined in that stratum.

Inclusion Criteria:

- Histological or cytological evidence of adenocarcinoma of the prostate and have
metastatic disease.

- Patients must have received only one prior regimen for their advanced disease. This
regimen must have included a taxane.

- First Stratum Eligibility: Patients must have advanced, metastatic prostate
cancer with documented progression after receiving more than three months of
treatment, up to a total of 10 months with 1 prior taxane regimen. Prior best
response to treatment, and duration of response, will be recorded.

- Second Stratum Eligibility: Patients must have advanced, metastatic prostate
cancer that has progressed as best response despite three months or less of
treatment with 1 prior taxane regimen.

- Must have castrate levels of testosterone less than 50 ng/mL

- Must have an ECOG Performance Score of 0 or 1

- Must be age 18 or older

- Must be able to read, understand and sign informed consent

- Serum creatinine less than or equal to 2.0 mg/dL

- Total bilirubin less than or equal to 2.0 mg/dL

- SGOT/SGPT less than or equal to 3 times the ULN

- ANC greater than or equal to 1500/UL

- Platelet count greater than or equal to 100,000/UL Recovered from the effects of
prior surgery, radiotherapy or other antineoplastic therapy.

Exclusion Criteria:

- Active infection or with a fever greater than or equal to 38.5 degrees centigrade
within 3 days of first scheduled day of dosing

- More than one prior systemic therapy for HRPC beyond androgen-ablative therapy. Prior
systemic therapy may have been administered for metastatic disease or as adjuvant

- Has received radiotherapy to greater than 30% of their active bone marrow

- History of prior malignancy within the past 5 years except for curatively treated
non-melanoma skin cancer

- Impending fracture of a weight bearing bone

- Known hypersensitivity to any of the components of TPI 287

- Receiving concurrent investigational therapy or who have received investigational
therapy within 30 days of study start

- Grade 2 peripheral neuropathy

- NYHA Class 3 or 4 congestive heart failure

- Any medial condition that would interfere with ability to sign ICF, cooperate and
participate in the study or interfere with interpretation of results

- History of allogenic transplant

- Know HIV or Hepatitis B or C positive

Type of Study:


Study Design:

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

Outcome Measure:


Outcome Time Frame:

15 months

Safety Issue:


Principal Investigator

Sandra Silberman, MD, PhD

Investigator Role:

Study Director

Investigator Affiliation:

Archer Biosciences, Inc.


United States: Food and Drug Administration

Study ID:

TPI 287-04



Start Date:

January 2007

Completion Date:

August 2008

Related Keywords:

  • Prostate Cancer
  • HRPC
  • TPI 287
  • Taxane
  • MDR
  • Hormone Refractory Prostate Cancer
  • Prostatic Neoplasms



Cedars-Sinai Medical CenterLos Angeles, California  90048
St. Barnabas Medical CenterLivingston, New Jersey  07039
University of KentuckyLexington, Kentucky  40536-0098
Tennessee Oncology, PLLCClarksville, Tennessee  37043
Comprehensive Cancer Center at Desert MountainPalm Springs, California  92262
Kansas City Cancer Center SouthKansas City, Missouri  64131