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Abiraterone Acetate, Niclosamide, and Prednisone in Treating Patients With Hormone-Resistant Prostate Cancer

2016-06-21 19:08:22 | BioPortfolio

Summary

This phase II trial studies the side effects and how well abiraterone acetate, niclosamide, and prednisone work in treating patients with hormone-resistant prostate cancer. Androgens can cause the growth of prostate cells. Hormone therapy using abiraterone acetate may fight prostate cancer by lowering the amount of androgen the body makes. Niclosamide is a drug that may block another signal that can cause prostate cancer cell growth. Prednisone is a drug that can help lessen inflammation. Giving abiraterone acetate, niclosamide, and prednisone may be a better treatment for patients with hormone-resistant prostate cancer.

Description

PRIMARY OBJECTIVES:

I. To determine the prostate-specific antigen (PSA) response that is a 50% or more reduction from the baseline.

SECONDARY OBJECTIVES:

I. To determine the overall response as determined by the Prostate Cancer Working Group 2 criteria (PCWG2).

II. To evaluate the progression-free survival (PFS) and overall survival of CRPC patients treated with PDMX1001/niclosamide (niclosamide), abiraterone (abiraterone acetate) and prednisone.

III. To assess the toxicity of PDMX1001/niclosamide, abiraterone and prednisone given in combination.

IV. To evaluate molecular correlatives for patient response and outcomes through the analysis of patient baseline tumor specimens (diagnostic biopsy) along with serial blood specimens.

OUTLINE:

Patients receive abiraterone acetate orally (PO) once a day (QD), niclosamide PO twice a day (BID) and prednisone PO BID. Courses repeat every 4 weeks in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed up for 3 months.

Study Design

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

Conditions

Metastatic Prostate Carcinoma

Intervention

Abiraterone Acetate, Niclosamide, Prednisone

Location

University of California Davis Comprehensive Cancer Center
Sacramento
California
United States
95817

Status

Not yet recruiting

Source

University of California, Davis

Results (where available)

View Results

Links

Published on BioPortfolio: 2016-06-21T19:08:22-0400

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Medical and Biotech [MESH] Definitions

An androstene derivative that inhibits STEROID 17-ALPHA-HYDROXYLASE and is used as an ANTINEOPLASTIC AGENT in the treatment of metastatic castration-resistant PROSTATE CANCER.

Megestrol acetate is a progestogen with actions and uses similar to those of the progestogens in general. It also has anti-androgenic properties. It is given by mouth in the palliative treatment or as an adjunct to other therapy in endometrial carcinoma and in breast cancer. Megestrol acetate has been approved to treat anorexia and cachexia. (From Reynolds JEF(Ed): Martindale: The Extra Pharmacopoeia (electronic version). Micromedex, Inc, Englewood, CO, 1995)

An anti-androgen that, in the form of its acetate (CYPROTERONE ACETATE), also has progestational properties. It is used in the treatment of hypersexuality in males, as a palliative in prostatic carcinoma, and, in combination with estrogen, for the therapy of severe acne and hirsutism in females.

Mucocellular carcinoma of the ovary, usually metastatic from the gastrointestinal tract, characterized by areas of mucoid degeneration and the presence of signet-ring-like cells. It accounts for 30%-40% of metastatic cancers to the ovaries and possibly 1%-2% of all malignant ovarian tumors. The lesions may not be discovered until the primary disease is advanced, and most patients die of their disease within a year. In some cases, a primary tumor is not found. (From Dorland, 27th ed; Holland et al., Cancer Medicine, 3d ed, p1685)

Proteins secreted by the prostate gland. The major secretory proteins from the human prostate gland include PROSTATE-SPECIFIC ANTIGEN, prostate-specific acid phosphatase, prostate-specific membrane antigen, and prostate-specific protein-94.

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