January 26, 2012 – A January 20, 2012 article in Medscape Medical New illustrates how personalized medicine can be tricky. The case is Vemurafenib [Zelboraf], which was introduced to the market together with an companion genetic test mid 2011 for the treatment of advanced …

Patients on Vemurafenib [Zelboraf] Need Testing for RAS Mutations: Secondary Cancers a Major Concern Read more »

August 26, 2011 – Today, the  American Food and Drug Administration (FDA) has approved Crizotinib [Xalkori] to treat the patient subgroup with late-stage (locally advanced or metastatic), non-small cell lung cancers (NSCLC) whos cancers express (i.e., test positive for the …

FDA Approves Crizotinib [Xalkori] with Companion Diagnostic Test for Non-Small Cell Lung Cancers (NSCLC) Positive for the Anaplastic Lymphoma Kinase (ALK) Gene Read more »

August 17, 2011 — The US Food and Drug Administration (FDA) has just approved the oral targeted therapy Vemurafenib [Zelboraf] for the first-line treatment of both metastatic and unresectable melanomas. The drug is specifically indicated for patients with melanoma whose …

Vemurafenib [Zelboraf] Approved Together with a Companion Diagnostic Test by FDA for Advanced Melanoma in BRAF V600E Positive Patients Read more »

Through a new boxed warning, the FDA is alerting healthcare professionals about a subgroup of patients who cannot effectively metabolize the anti-platelet drug Clopidogrel [Plavix]. These patients, called “poor metabolizers,” have little or no activity of the liver enzyme CYP2C19, …

Reduced Effect from Clopidogrel [Plavix] in “Poor Metabolizer” Patients Read more »

March 21, 2010 – Doctors are reporting an exciting win for gene testing and personalized medicine: Checking patients’ DNA before starting them on a popular blood thinner helps get the tricky dose right and keep them out of the hospital. …

Gene Testing Helps Get Warfarin [Coumadin] Dose Right Read more »

March 17, 2010 – The U.S. Food and Drug Administration (FDA) has added a Boxed Warning to the label for Clopidogrel [Plavix], the anti-blood clotting medication. The Boxed Warning is about patients who do not effectively metabolize the drug (i.e. …

FDA Drug Safety Communication: Reduced effectiveness of Clopidogrel [Plavix] in patients who are poor metabolizers (i.e. carriers of selected CYP2C19 allelic variants) of the drug Read more »

January 16, 2010 – This contribution has just been published in the ScienceBlog – Pharmacogenetics at this locoation. It is presented here in its original state and with all credentials and rights resting with the original author. Scientists at St. …

Inherited risk factors increase odds of developing childhood acute lymphoblastic leukemia (ALL) Read more »