And now … FDA approves second PARP inhibitor for selected men with mCRPC

Following last week’s approval of rucaparib (Rubraca), the US Food and Drug Administration (FDA) has now, also, approved the PARP inhibitor olaparib (Lynparza) for the treatment of men with with deleterious or suspected deleterious germline or somatic homologous recombination repair (HRR) gene-mutated metastatic castration-resistant prostate cancer (mCRPC) who have progressed following prior treatment with enzalutamide or abiraterone. … READ MORE …

FDA approves first PARP inhibitor for selected men with mCRPC

Yesterday evening the US Food and Drug Administration (FDA) approved rucaparib (Rubraca) for the treatment of men with BRCA1/2-mutant, metastatic, castration-resistant prostate cancer (mCRPC) who have also already been treated with androgen receptor-directed therapy and taxane-based chemotherapy. … READ MORE …

PARP inhibitor has positive outcomes in Phase III trial in selected men with mCRPC

According to a media release issued jointly yesterday by AstraZeneca and Merck, treatment with the PARP inhibitor olaparib (Lynparza) has demonstrated “positive results from the Phase III PROfound trial … in [a subset of] men with metastatic castration-resistant prostate cancer (mCRPC).” … READ MORE …

Phase III trial of olaparib in first-line treatment of mCRPC

Unfortunately we don’t always hear about some interesting clinical trials as early as we would like to. The following is a case in point. … READ MORE …

Talazoparib + enzalutamide in treatment of mCRPC

Back in December 2017, Pfizer started a trial to explore whether the PARP inhibitor talazoparib (Talzenna) could be used in combination with enzalutamide (Xtandi) to effectively treat men with what are known as MSI-H or dMMR subtypes of metastatic castration-resistant prostate cancer (mCRPC). … READ MORE …

Preliminary data from the TRITON 2 trial of rucaparib in mCRPC

A poster presented at the ESMO meeting in Munich has just reported data from an unplanned, preliminary analysis of data from the first 85 patients (out of a scheduled total of 150 patients) enrolled in the TRITON 2 trial of the PARP inhibitor rucaparib (Rubraca) … READ MORE …

Understanding the genetics of prostate cancer diagnosis and treatment

For those who are interested in this evolving topic, we recommend listening to Dr. Charles Ryan’s 16-minute-long discussion with Heather Cheng, MD, PhD, entitled “Genetic evaluation and counseling in prostate cancer treatment”. … READ MORE …

Two Phase III trials of PARP inhibitors in mCRPC

There are now two, ongoing, Phase III trials of PARP inhibitors in the treatment of eligible patients with metastatic, castration-resistant prostate cancer (mCRPC). … READ MORE …

Second PARP inhibitor approved by FDA (but still not for prostate cancer)

A second PARP inhibitor has recently been approved by the US Food and Drug Administration (FDA) for the treatment of patients with BRCA1/2 mutations and advanced ovarian cancer who have already received two types of chemotherapy. … READ MORE …

Abiraterone + veliparib in treatment of men with mCRPC

Another important set of data that came out of the ASCO session that your sitemaster was unable to attend were the data presented by Dr. Maha Hussain on the use of the PARP inhibitor veliparib.

J&J investing further in potential drugs for advanced prostate cancer

Johnson & Johnson has just acquired the rights to develop and sell a drug called niraparib for the treatment of prostate cancer everywhere in the world except Japan. The developer, Waltham, MA-based Tesaro, has retained the rights to niraparib in Japan. … READ MORE …

Published data on activity of olaparib in some men with mCRPC

A paper in the New England Journal of Medicine now provides detailed information about the activity of the PARP inhibitor olaparib in the treatment of carefully selected patients with metastatic, castration-resistant prostate cancer (mCRPC). … READ MORE …

Olaparib continues to show promise in very late stage prostate cancer

According to a presentation at the ongoing annual meeting of the American Association for Cancer Research (AACR) meeting here in  Philadelphia, AstraZeneca’s PARP inhibiting agent — olaparib or Lynparza — continues to show promise in very late stage metastatic, castration-resistant prostate cancer. … READ MORE …

Does olaparib have real potential in treatment of mCRPC?

According to a report on the Reuters web site yesterday, some researchers are of the opinion that the poly(ADP-ribose) polymerase (PARP) inhibitor olaparib (recently recommended for approval in Europe for the treatment of a subset of women with ovarian cancer) may be valuable in the treatment of some forms of prostate cancer too. … READ MORE …

PARP inhibition, TMPRSS2-EPG gene fusion, and veliparib in mCRPC

A Phase II clinical trial being coordinated by researchers at the University of Michigan Cancer Center is (as far as we know) the first trial ever to explore the potential of treatment for men with metastatic, castration-resistant prostate cancer (mCRPC) who carry the TMPRSS2-EPG fusion gene (as opposed to those who do not). … READ MORE …