An Open-Label, Multi-Center, Phase IIa Trial of PRX302 Treatment of Patients With Locally Recurrent Prostate Cancer After Primary Radiation Therapy

Completed · Phase 2

Conditions studied: Locally Recurrent Prostate Cancer

In brief

The purpose of this study is to determine the therapeutic activity of different concentrations of PRX302 at increasing volumes and/or number of deposits per gram of prostate. Therapeutic activity will be determined based on changes in PSA levels, PSA velocity, PSA doubling time and tumor burden following treatment.

Key facts

Study ID

NCT00686088

Run by

Sophiris Bio Corp

People needed

30

Starts

2008-02-01

Expected to finish

2009-09-01

Last updated by the study team

2009-10-29

Who can join

Age: 18 and older. Sex: male. Healthy volunteers: not accepted.

You may qualify if…

• Completed a full course of radiation therapy for prostate cancer at least 2 years before enrollment.
• Biochemical failure at screening as determined by either the ASTRO or the Phoenix definitions.
• At least 5 available PSA readings after completion of radiation therapy and prior to screening.
• PSA level of not greater than 10 ng/mL.
• PSA doubling time of at least 9 months at screening.
• Biopsy-proven recurrent localized prostate cancer.
• Tumor stage T1C to T2C.
• Prostate volume estimated at 40 mL or less as determined by TRUS.
• ECOG performance score 0 to 2.
• Serum testosterone of at least 1 ng/dL.

You may not qualify if…

• Prior history of metastatic prostate cancer.
• Salvage external beam therapy and/or salvage brachytherapy prior to enrollment.
• Biological, immunological, chemotherapeutic treatment or cryotherapy after completing radiation.
• Androgen ablation therapy within 12 months prior to enrollment.
• Recurrence of prostate cancer within 18 months of definitive primary radiotherapy.
• Other medication for prostate cancer.
• Presence of active malignancy other than prostate cancer.
• Treatment with other investigational therapies within 12 months prior to enrolment.
• Presence of a chronic indwelling Foley catheter for obstructive uropathy.
• Previous transurethral resection of the prostate (TURP), transurethral resection of the bladder neck, photo-selective vaporization of the prostate (PVP) or other resection surgery in the urinary tract.
• Previous treatment with PRX302.
• Any evidence of metastatic disease on bone scan, CT or magnetic resonance imaging (MRI) within 3 months prior to enrollment.

Where it is running

• Urology San Antonio — San Antonio, Texas, United States
• Scott & White Memorial Hospital — Temple, Texas, United States

Full record on ClinicalTrials.gov

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