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Clinical Trial
. 2014 Sep;50(13):2263-70.
doi: 10.1016/j.ejca.2014.05.021. Epub 2014 Jun 19.

Phase 1 study of nab-paclitaxel, cisplatin and 5-fluorouracil as induction chemotherapy followed by concurrent chemoradiotherapy in locoregionally advanced squamous cell carcinoma of the oropharynx

H H Loong  1 , E Winquist  2 , J Waldron  3 , E X Chen  3 , J Kim  3 , D Palma  2 , N Read  2 , A R A Razak  3 , I Diaz-Padilla  3 , K Chan  3 , A Bayley  3 , M Hossain  3 , L Wang  3 , S Chin  3 , L L Siu  4 , A Hope  3
Affiliations
Clinical Trial

Phase 1 study of nab-paclitaxel, cisplatin and 5-fluorouracil as induction chemotherapy followed by concurrent chemoradiotherapy in locoregionally advanced squamous cell carcinoma of the oropharynx

H H Loong et al. Eur J Cancer. 2014 Sep.

Abstract

Background: Induction chemotherapy followed by concurrent chemoradiation (CRT) (sequential therapy) has been evaluated in the treatment of locoregionally-advanced squamous cell cancer of the head and neck (LA-SCCHN), with docetaxel, cisplatin (P) and 5-flurouracil (F) shown to be superior to PF doublet. Nab-paclitaxel (A) is a novel albumin-bound paclitaxel with a superior therapeutic index to docetaxel.

Methods: A phase I trial [Clinical trials.gov identifier NCT00731380] to assess the safety and efficacy of nab-paclitaxel+cisplatin+5-fluorouracil (APF) as induction chemotherapy for three cycles, followed by concurrent carboplatin (area-under-curve (AUC) 1.5 weekly) with radiation therapy (RT) (70 Gy/35 fractions), was conducted using a 3+3 design in patients with previously untreated LA-SCCHN. Dose-limiting toxicities (DLTs) included: standard haematologic and non-haematologic toxicities, treatment delays, inability to complete ⩾95% of RT and skin/mucosal toxicity related to RT assessed from day 1 of treatment to 8 weeks after completion of CRT.

Results: 17 patients with oropharyngeal cancer were enrolled in three dose levels, with 15 patients evaluable for DLT. The median age was 54 years (range, 44-65 years), 14 patients were male, and 11 patients' tumours were p16 positive and four negative. Grade 3/4 adverse events during APF (%total number of cycles) were hyponatraemia (14%) neutropenia (10%), lymphopaenia (4%) and thrombocytopenia (2%) during 49 evaluable APF cycles. Febrile neutropenia occurred during one cycle of treatment.

Conclusion: The recommended phase 2 dose of APF is nab-paclitaxel 100mg/m(2) days 1 and 8, cisplatin 75 mg/mg(2) day 1 and 5-fluorouracil 1000 mg/m(2)/day×96 h days 1-4, every 3 weeks, for three cycles prior to CRT.

Keywords: Head & neck cancer; Induction chemotherapy; Nab-paclitaxel; Sequential therapy; Squamous cell carcinoma.

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