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Scientists uncover mutations that make cancer resistant to therapies targeting KRAS


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BOSTON - A gene called KRAS is one of the most commonly mutated genes in all human cancers, and targeted drugs that inhibit the protein expressed by mutated KRAS have shown promising results in clinical trials, with potential approvals by the U.S. Food and Drug Administration anticipated later this year. Unfortunately, cancer cells often develop additional mutations that make them resistant to such targeted drugs, resulting in disease relapse. Now researchers led by a team at Massachusetts General Hospital (MGH) have identified the first resistance mechanisms that may occur to these drugs and identified strategies to overcome them. The findings are published in ....

United States , Mustafa Sakhi , Samuel Klempner , Mohammed Syed , Giulia Siravegna , Aaron Hata , Meagan Ryan , Jochen Lennerz , Chendi Li , Junbing Zhang , Alexa Michel , Bryan Corcoran , Leslie Kiedrowski , Jessicaj Lin , Noritaka Tanaka , Dejan Juric , Justin Gainor , Islam Baiev , Cancer Research , Termeer Center , Mark Foundation For Cancer Research , Drug Administration , Gastrointestinal Cancer Center Program , American Cancer Society , Massachusetts General Hospital , Thoracic Cancers ,

Clinical Challenges: ALK-Positive NSCLC


EML4), producing a unique ALK protein that promotes unchecked, abnormal cell growth.
We see it in about 4-5% of our non-small cell lung cancer patients, so it s a small slice of that pie, Shaw told
Medpage Today. But there are so many non-small lung cell cancer patients out there that even 4-5% is still a large absolute number of patients. And that s not just in the U.S., but worldwide.
The development of targeted therapies for
ALK-positive NSCLC over the past dozen years has had a significant impact on the natural history of the disease. According to Shaw, in the absence of the ALK targeted therapies, ....

United States , Alice Shaw , Jose Pacheco , Novartis Institutes For Biomedical Research , University Of Colorado School Medicine , Translational Clinical Oncology , Novartis Institutes , Biomedical Research , Thoracic Cancers , Massachusetts General Hospital , Colorado School , ஒன்றுபட்டது மாநிலங்களில் , ஆலிஸ் ஷா , ஜோசே ப்யாயேகோ , நோவர்த்திச் நிறுவனங்கள் க்கு உயிர் மருத்துவ ஆராய்ச்சி , பல்கலைக்கழகம் ஆஃப் கொலராடோ பள்ளி மருந்து , மொழிபெயர்ப்பு மருத்துவ புற்றுநோயியல் , நோவர்த்திச் நிறுவனங்கள் , உயிர் மருத்துவ ஆராய்ச்சி , தொராசி புற்றுநோய்கள் , மாசசூசெட்ஸ் ஜநரல் மருத்துவமனை , கொலராடோ பள்ளி ,