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 ORIGINAL ARTICLE
Year : 2017  |  Volume : 54  |  Issue : 1  |  Page : 127-131

Development and validation of a predictive score, for identifying poor eastern cooperative oncology group performance status (performance status 3–4) advanced nonsmall cell lung cancer patients who are likely to benefit from tyrosine kinase inhibitors


1 Department of Medical Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
2 Division of Clinical Research and Biostatistics, Malabar Cancer Centre, Kannur, Kerala, India

Correspondence Address:
Dr. K Prabhash
Department of Medical Oncology, Tata Memorial Hospital, Mumbai, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijc.IJC_162_17

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BACKGROUND: One of the ten advanced lung cancer patients presents with poor eastern cooperative oncology group performance status (ECOG PS). There are no clear guidelines about management of these patients. The benefit of tyrosine kinase inhibitors (TKI) in this patient population remains questionable. Hence, in this study, we attempted to develop and validate a predictive score which would predict benefit from oral TKI. METHODS: This was a prospective observational study done at Tata Memorial Hospital, India. Patients with nonsmall cell lung cancer with ECOG PS 3–4 were included in this study. All these patients had received oral TKI on compassionate grounds and were followed up till death. The overall survival (OS) was calculated from date of start of TKI to date of death. R software was used for development and validation of the predictive model. RESULTS: The median survival duration of the discovery cohort and validation cohort were 170.5 and 115 days, respectively. The model predicted OS accurately, within ±2 months in 72.1% and within ±3 months in 81.7% of patients. CONCLUSION: The current model can predict OS in poor PS patients treated with TKI within a satisfactory clinical range and can be used for decision-making of these patients.






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