Ontology type: schema:ScholarlyArticle
2012-08-16
AUTHORSRonan Abgral, Pierre-Yves Le Roux, Nathalie Keromnes, Jean Rousset, Gérald Valette, Dominique Gouders, Cyril Leleu, Delphine Mollon, Emmanuel Nowak, Solène Querellou, Pierre-Yves Salaün
ABSTRACTPurposeLocally advanced head and neck squamous cell carcinoma (HNSCC) has a high rate of recurrence. Induction chemotherapy with DCF (docetaxel, cisplatin, 5-fluorouracil) before chemoradiotherapy could lead to the best disease control of inoperable stage III/IV HNSCC but with an increased risk of acute toxicity. Early assessment of therapeutic efficacy is a key issue in considering the benefit of escalation in a poor prognosis population.MethodsPatients with stage III/IV HNSCC, in whom DCF induction chemotherapy followed by concurrent chemoradiotherapy had been validated by a multidisciplinary team, were prospectively included in the study. FDG PET/CT scans were performed in all patients before and after two of the three cycles of DCF. EORTC99 criteria were used to evaluate PET responses as follows: group 1 (metabolic responders) showing a complete response (CR) or partial response (PR), and subgroup 0 (metabolic nonresponders) showing stable disease (SD) or progressive disease (PD). The primary endpoint for monitoring patients was event-free survival (EFS). EFS probabilities between the two groups were estimated by the Kaplan-Meier method and statistically compared using the log-rank test.ResultsFifteen consecutive patients (14 men, 1 woman; age 57.5 ± 6.2 years, mean ± SD) were analysed. Therapeutic assessment by PET/CT demonstrated CR in four patients, PR in six, SD in four and PD in one. Among the ten patients with a metabolic response (group 1), none had relapsed at the time of this report, while four of five patients with no metabolic response (group 0) showed recurrence within an average of 9.0 ± 1.6 months. Median EFS was, respectively, 18.9 months (3.8–25.3 months) and 10.2 months (7.5–12.7 months) in group 1 and group 0. The corresponding 1-year EFS rates were 100 % and 20 %, respectively. The difference in EFS between the two groups was statistically significant (p = 0.0014).ConclusionEarly therapeutic response demonstrated on FDG PET/CT after two cycles of induction chemotherapy with DCF in patients with inoperable stage III/IV HNSCC seems to be a predictive factor for EFS. More... »
PAGES1839-1847
http://scigraph.springernature.com/pub.10.1007/s00259-012-2213-x
DOIhttp://dx.doi.org/10.1007/s00259-012-2213-x
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PUBMEDhttps://www.ncbi.nlm.nih.gov/pubmed/22895863
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"description": "PurposeLocally advanced head and neck squamous cell carcinoma (HNSCC) has a high rate of recurrence. Induction chemotherapy with DCF (docetaxel, cisplatin, 5-fluorouracil) before chemoradiotherapy could lead to the best disease control of inoperable stage III/IV HNSCC but with an increased risk of acute toxicity. Early assessment of therapeutic efficacy is a key issue in considering the benefit of escalation in a poor prognosis population.MethodsPatients with stage III/IV HNSCC, in whom DCF induction chemotherapy followed by concurrent chemoradiotherapy had been validated by a multidisciplinary team, were prospectively included in the study. FDG PET/CT scans were performed in all patients before and after two of the three cycles of DCF. EORTC99 criteria were used to evaluate PET responses as follows: group 1 (metabolic responders) showing a complete response (CR) or partial response (PR), and subgroup 0 (metabolic nonresponders) showing stable disease (SD) or progressive disease (PD). The primary endpoint for monitoring patients was event-free survival (EFS). EFS probabilities between the two groups were estimated by the Kaplan-Meier method and statistically compared using the log-rank test.ResultsFifteen consecutive patients (14\u00a0men, 1\u00a0woman; age 57.5\u2009\u00b1\u20096.2\u00a0years, mean\u2009\u00b1\u2009SD) were analysed. Therapeutic assessment by PET/CT demonstrated CR in four patients, PR in six, SD in four and PD in one. Among the ten patients with a metabolic response (group 1), none had relapsed at the time of this report, while four of five patients with no metabolic response (group 0) showed recurrence within an average of 9.0\u2009\u00b1\u20091.6\u00a0months. Median EFS was, respectively, 18.9\u00a0months (3.8\u201325.3\u00a0months) and 10.2\u00a0months (7.5\u201312.7\u00a0months) in group 1 and group 0. The corresponding 1-year EFS rates were 100\u00a0% and 20\u00a0%, respectively. The difference in EFS between the two groups was statistically significant (p\u2009=\u20090.0014).ConclusionEarly therapeutic response demonstrated on FDG PET/CT after two cycles of induction chemotherapy with DCF in patients with inoperable stage III/IV HNSCC seems to be a predictive factor for EFS.",
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