Long-term use of abiraterone acetate at 250 mg/d: is this really viable?

It has been suggested that, after an initial “loading dose” for a period of time, abiraterone acetate could potentially be used to treat metastatic, castration-resistant prostate cancer (mCRPC) at a much lower daily maintenance dose than that currently approved.

NICE initially refuses to cover cost of abiraterone acetate for mCRPC

In an utterly unsurprising announcement from the UK, the National Institute for Clincial Excellence (NICE) has issued draft guidance in which it refuses to cover the proposed cost of abiraterone actetate.

UK’s National Health Service will not pay for cabazitaxel in mCRPC (at the proposed price)

According to a report in today’s Daily Telegraph, the UK’s National Institute for Health and Clinical Excellence (NICE) has determined that “cabazitaxel would not be a cost effective use of limited NHS resources” for the treatment of men with metastatic, castration-resistant prostate cancer (mCRPC).

Abiraterone acetate treatment affects fatigue in men with mCRPC

According to a retrospective analysis of data from a randomized, double-blind, Phase III clinical trial, abiraterone acetate (Zytiga™) can significantly lower levels of fatigue in men with metastatic, castration-resistant prostate cancer (as well extending survival).

EMEA approves abiraterone acetate for treatment of mCRPC

Last Friday the European Medicines Agency (EMEA) gave approval for the marketing of abiraterone acetate (Zytiga™) for the treatment of metastatic, castration-resistant prostate cancer in men who have already progressed after treatment with docetaxel-based chemotherapy.

Targeting the 5α-reductase enzyme in treatment of prostate cancer

A recent review article concludes with the statement, “5α-reductase inhibition does seem to have beneficial effects on prostate cancer incidence, and the role of [5α-reductase inhibitors (5-ARIs)] in combination with other agents should be further evaluated for the treatment of [castration-resistant prostate cancer (CRPC)].”

Bone scan “flare” associated with treatment with abiraterone acetate

A new paper in Clinical Cancer Research indicates that at least some men will have a short-term bone scan “flare” as a consequence of initiation of treatment with abiraterone acetate. The clinical significance of this flare is still to be fully evaluated.

Survival and CTC data from the abiraterone acterate pivotal trial

As we have previously reported, the latest analysis of survival data from the pivotal Phase III trial of abiraterone acetate + predisone has shown a slight improvement in the survival benefit for patients treated with abiraterone (Zytiga™).

Impact of abiraterone prior to chemotherapy — maybe not 4 years, but …

A story on the Bloomberg.com web site gives information about a patient with castration-resistant prostate cancer (CRPC) who has had a zero-level PSA for 40 months since starting on a clinical trial of abiraterone actetate in early 2008.

Results of abiraterone acetate Phase III trial in today’s NEJM

According to a media release issued by Centocor Ortho Biotech late yesterday, the final results of the Phase III clinical trial of abiraterone acetate + prednisone vs. prednisone alone in men with metastatic, castration-resistant prostate cancer (mCRPC) have been published in today’s issue of the New England Journal of Medicine.

Wishful thinking about abiraterone acetate in CRPC

An article from Thursday’s “The Pink Sheet”, posted on the OncologySTAT web site today, is already asking questions about the potential future use of abiraterone acetate in patients with non-metastatic, castration-resistant prostate cancer (CRPC).

FDA approval of abiraterone: some interesting notes

We have already noted the FDA’s approval of abiraterone acetate. However, there are some interesting details that are worthy of note.

STOP PRESS … FDA approves abiraterone acetate

The FDA has today approved abiraterone acetate (Zytiga™) for use in combination with prednisone for the treatment of patients with metastatic castration-resistant prostate cancer (mCRPC) who have received prior chemotherapy containing docetaxel. A full media release is already available on the Centocor Ortho Biotech web site. There is another media release on the FDA web [...]

How to get really bad investment advice

As we get closer to the annual meeting of the American Society of Clinical Oncology (ASCO) — to be held at the beginning of June — the investor community is beginning its annual frenzy of speculation about exactly what new information will be presented at the meeting about development stage and marketed drugs.

For those who want to learn more about new treatments for CRPC

Patients and others with a strong interest in understanding the ways in which new drugs like abiraterone acetate and MDV3100 are likely to change the way we treat advanced forms of prostate cancer might be interested in a webcast based on a satellite symposium held at the recent Genitourinary Cancers Symposium in Orlando.

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