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Evaluation exposed that PFS was 4.74 months for individuals in the control arm and 3.78 months for all those in the experimental arm, with an HR of HR 0.95. All privileges reserved. Neither of the parties endorse or suggest any commercial products, services, or equipment.. Biomarker-directed chemotherapy harmful in NSCLC By Nikki Withers, medwireNews Reporter Treating non-small-cell lung cancer tumor sufferers with chemotherapy customised according to expression of BRCA1 and receptor-associated proteins 80 will not improve progression-free of charge survival weighed against non-selected, cisplatin-based chemotherapy, show research findings.