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Phase 2
18 Years
Not Enrolling
Prostate Cancer

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Trial Information


Inclusion Criteria:

- Patient must have had a histological or cytological diagnosis of adenocarcinoma of
prostate and currently must have metastatic disease (stage TxNxM1) that is
unresponsive or refractory to hormone therapy. Patients must have metastatic prostate
cancer deemed to be hormone refractory by one or more of the following (despite
androgen ablation and anti-androgen withdrawal where applicable):

- Progression of measurable disease assessed within 28 days prior to registration. OR

- Progression of non-measurable (i.e. bone scan or PET scan) disease assessed within 42
days prior to registration. AND

- Rising PSA - defined as at least 2 consecutive rises in PSA documented over a
reference value (measure 1). The first rising PSA (measure 2) should be taken at
least 7 days after the reference value. A third confirmatory PSA measure is required
(2nd beyond the reference level) to be greater then the second measure and it must be
obtained at least 7 days after the 2nd measure. Patient must have a PSA concentration
of at least 5 ng/ml in addition to increasing PSA to be eligible Note: The PSA result
(done within 28 days prior to registration) need not be elevated for inclusion
provided other criteria for progression are met and the serum PSA is at least 2

- Must have received prior hormonal therapy and have a castrate level of testosterone
(less than 100ng/ml within 90 days of entry to the study). Patients treated with
orchiectomy are eligible. If patients have been treated with non-steroidal
anti-androgens, the patients must have ceased taking flutamide or nilutamide at least
28 days prior to enrollment and at least 42 days prior to enrollment for biclutamide.
Either method of castration can have been supplemented with nonsteroidal antiandrogen
(e.g. flutamide, biclutamide, nilutamide). Patients may have been treated with
"second-line" hormonal therapy such as ketoconazole, aminoglutethimide and/or
estrogen therapies but these must have ceased at least 7 days prior to commencement
of study therapy.

- May have received at most one prior chemotherapy for hormone refractory prostate
cancer provided they have not received docetaxel or Bortezomib for that indication or
otherwise within 2 years of trial entry.

- Prior radiation therapy is allowed but it must have been to less than 25% of total
body bone marrow. This includes prior use of samarium, but patients can not have
received strontium. (>10 days must have elapsed since completion of RT with recovery
from side effects. Soft tissue disease irradiated in the prior 2 months is not and
may not be designated as measurable

- Creatinine less than or equal to 1.5x the institutional upper limit of normal (within
28 days prior to registration)

- Hepatic function Total Bilirubin less than or equal to ULN AST and ALT and Alkaline
Phosphatase must be within the range allowing for eligibility.

In determining eligibility the more abnormal of the two values (AST or ALT) should be

- Adequate bone marrow function. Complete blood count with differential must be done
within 14 days prior to registration Absolute neutrophil count greater than or equal
to 1,500/mm3 Hemoglobin greater than or equal to 8.0 g/dl Platelet count greater than
or equal to 100,000/mm3

- ECOG performance status 0-3. (For patients with PS of 3, cause must be due to pain
secondary to bone metastases to be eligible)

- Patients should (for good medical practice) have stabilization of their analgesic
medications for at least one week prior to receiving study medication

- No other chemotherapy, biological response modifiers, RT, radioisotope therapy (e.g.
samarium or strontium), corticosteroid, or concomitant hormonal therapy may be given
during protocol treatment.

- Bisphosphonate therapy is permitted provided it commences prior to study entry and is
maintained at recommended dosing intervals.

- Completed baseline McGill Pain Questionnaire and Pain Medication Log prior to
registration. The nurse or CRA must complete MPQ and PML cover sheet for baseline
assessment prior to registration. If unable to complete questionnaires in English or
Spanish, patient can be registered without contributing to QOL study).

- Men of childbearing potential must be willing to consent to using effective
contraception while on treatment and for a reasonable period (90 days) thereafter.

- Voluntary written informed consent before performance of any study-related procedure
not part of normal medical care, with the understanding that consent may be withdrawn
by the subject at any time without prejudice to future medical care.

Exclusion Criteria:

- Myocardial infarction or angina pectoris within one year of registration

- History of brain metastases, treated or untreated. (Patients with neurological
symptoms must have CT or MRI brain negative for metastatic disease within 56 days
prior to registration). Patients who have recovered from spinal cord compression and
are clinical stable may enter the study provided they fulfill other criteria.

- Not recovered from major infections and/or surgical procedures, or has significant
active concurrent other medical illness precluding protocol therapy or survival.

- Known or anticipated severe hypersensitivity reaction to bortezomib, boron, mannitol,
docetaxel or polysorbate 80.

- Other prior malignancy (except patients who have had another stage I or II malignancy
currently in complete remission or other cancer with no evidence of disease for
greater than 5 years from accrual to the current trial. Patients with basal or
squamous cell carcinoma of the skin that have been treated with curative intent can
be accrued to this trial 30 days after treatment. Solar keratoses treated topically
do not preclude entry).

- Patient has greater than or equal to Grade 2 peripheral neuropathy within 14 days
before enrollment.

- Prior therapy with docetaxel or paclitaxel

- Prior treatment with more than one prior chemotherapy for hormone refractory prostate

- Ongoing therapy with drugs known to inhibit P4503A4 drug metabolism including:

Macrolide antibiotics: erythromycin, troleandomycin, azithromycin Imidazole antifungal
agents: ketoconazole, itraconazole, fluconazole HIV protease inhibitors Immunosuppressive
agents: cyclosporin, FK-506

- Ongoing therapy with drugs known to induce P4503A4 drug metabolism including:
Phenobarbital, phenytoin, carbamazepine, griseofuvin and rifampin.

Type of Study:


Study Design:

Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Outcome Measure:

Number of patients with improved serum PSA response rate

Outcome Description:

Participants should be reevaluated for PSA response every 21 days. A confirmatory PSA level should be obtained 3-4 weeks following initial documentation of a PSA response.

Outcome Time Frame:

Every end of each cycle (21 days) up to 12 cycles

Safety Issue:


Principal Investigator

David Quinn, MD

Investigator Role:

Principal Investigator

Investigator Affiliation:

University of Southern California


United States: Food and Drug Administration

Study ID:




Start Date:

April 2005

Completion Date:

December 2011

Related Keywords:

  • Prostate Cancer
  • Prostatic Neoplasms



USC/Norris Comprehensive Cancer Center Los Angeles, California  90033-0800