Pilot Trial of Chemohormonal Therapy Followed by Prostatectomy in High Risk Prostate Cancer

Summary

This is a pilot multimodality treatment approach trial with androgen deprivation therapy in combination with docetaxel chemotherapy followed by radical prostatectomy in patients with newly diagnosed high-risk and oligometastatic prostate cancer. This study aims to evaluate the rates of complete pathologic response (pCR) at the time of prostatectomy as well as PSA response, time to PSA recurrence and safety and toxicity of the combination. This study will be heavily embedded with biomarker analyses of the tumor and tumor cells in circulation as well in the bone marrow before and after treatment and will also include imaging analyses using a novel positron emission tomography (PET) imaging technology.

Conditions

• Prostate Cancer

Interventions

DRUG

Docetaxel

Docetaxel is a commercially marketed product that has been approved by the FDA for the treatment of metastatic prostate cancer. It is also approved for the treatment of other malignant disease, such as locally advanced or metastatic breast cancer that returns after any prior chemotherapy; locally advanced or metastatic non-small cell lung cancer that recurs after prior platinum-based chemotherapy. However, the FDA does not currently approve its use in patients with localized prostate cancer but no evidence of radiographic metastases.

DRUG

Degarelix

Degarelix is a leuteinizing hormone-releasing hormone (LHRH) antagonist. Degarelix is administered at an initial dose of 240 mg subcutaneously (2 separate injections of 120mg each totaling 240 mg) two weeks prior to cycle 1 day 's 1 treatment with chemotherapy. The initial dose is followed by a maintenance dose of 80mg administered subcutaneously as a single injection every 28 days at cycle 2 day 1 (+/- 7 days) and cycle 3 day 10 (+/- 7 days)

DRUG

Bicalutamide

The dose for bicalutamide tablets therapy in combination with an LHRH analog is one 50 mg tablet once daily (morning or evening), with or without food. It is recommended that bicalutamide tablets be taken at the same time each day. Treatment with bicalutamide tablets should be started at the same time as treatment with an LHRH analog.

RADIATION

Ferumoxytol-enhanced MRI imaging

Ferumoxytol-enhanced MRI imaging will evaluate immune micro-environment in the prostate. Three subjects enrolled to the study will undergo the first ferumoxytol-enhanced MRI imaging within 21 days prior to start of hormonal therapy followed by second and final ferumoxytol-enhanced MRI at the conclusion of hormone therapy but prior to their prostatectomy.

Sponsors & Collaborators

• United States Department of Defense

  collaborator FED

• Prostate Cancer Foundation

  collaborator OTHER

• University of Wisconsin, Madison

  lead OTHER

Principal Investigators

• Christos Kyriakopoulos, MD · University of Wisconsin, Madison

Study Design

Allocation

NON_RANDOMIZED

Purpose

TREATMENT

Masking

NONE

Model

SINGLE_GROUP

Eligibility

Min Age

18 Years

Sex

MALE

Healthy Volunteers

No

Timeline & Regulatory

Start

2018-01-17

Primary Completion

2021-08-10

Completion

2022-09-02

FDA Drug

Yes

Countries

• United States

Study Locations