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Int J Med Sci. 2008 Mar 24;5(2):62-7.

A 12 week, open label, phase I/IIa study using apatone for the treatment of prostate cancer patients who have failed standard therapy.

Author information

  • 1Summa Health System, Department of Urology, Akron, Ohio, USA. tareen@medicine.nodak.edu

Abstract

PURPOSE:

To evaluate the safety and efficacy of oral Apatone (Vitamin C and Vitamin K3) administration in the treatment of prostate cancer in patients who failed standard therapy.

MATERIALS AND METHODS:

Seventeen patients with 2 successive rises in PSA after failure of standard local therapy were treated with (5,000 mg of VC and 50 mg of VK3 each day) for a period of 12 weeks. Prostate Specific Antigen (PSA) levels, PSA velocity (PSAV) and PSA doubling times (PSADT) were calculated before and during treatment at 6 week intervals. Following the initial 12 week trial, 15 of 17 patients opted to continue treatment for an additional period ranging from 6 to 24 months. PSA values were followed for these patients.

RESULTS:

At the conclusion of the 12 week treatment period, PSAV decreased and PSADT increased in 13 of 17 patients (p < or = 0.05). There were no dose-limiting adverse effects. Of the 15 patients who continued on Apatone after 12 weeks, only 1 death occurred after 14 months of treatment.

CONCLUSION:

Apatone showed promise in delaying biochemical progression in this group of end stage prostate cancer patients.

KEYWORDS:

Apatone; Cancer; Prostate; Prostate neoplasms; Vitamin K3; ascorbic acid; menadione

PMID:
18392145
[PubMed - indexed for MEDLINE]
PMCID:
PMC2288789
Free PMC Article

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