Assessment of indomethacin oral spray for the treatment of oropharyngeal mucositis-induced pain during anticancer therapy.

Assessment of indomethacin oral spray for the treatment of oropharyngeal mucositis-induced pain during anticancer therapy.

Support Care Cancer. 2017 Jul 15;:

Authors: Momo K, Nagaoka H, Kizawa Y, Bukawa H, Chiba S, Kohda Y, Homma M

Abstract
PURPOSE: The efficacy and safety of indomethacin (IM) oral spray (OS) as a pain control therapy for oropharyngeal mucositis due to anticancer chemo- and radiotherapy were assessed in patients with head and neck carcinomas and haematological tumours.
METHOD: We observed 35 patients (male/female, 20/15; 53 ± 17 years) with oropharyngeal mucositis who were treated with IM-OS preparation for pain relief at University of Tsukuba Hospital, Japan. Analgesic effects were assessed using the six-grade face scale for pain in 28 patients at the start of IM oral spray treatment. Systemic exposure was assessed by determining urinary excretions of IM in seven patients.
RESULTS: Pain relief was achieved in 26 (93%) patients at 25 (5-60) min after applying the IM-OS preparation (15.6 ± 3.4 μg/kg) and analgesic effects were maintained for 120 (10-360) min. The pain was significantly decreased after using the spray (3.6 ± 0.7 vs. 2.4 ± 0.9, p < 0.01). Moreover, urinary IM excretion rates after applying the IM spray preparation were 1.8 ± 0.8% of the IM oral spray dose (130.5 ± 77.7 μg/kg/day), which was markedly lower than that following oral administration of IM (60%). No adverse events were observed following application of the spray.
CONCLUSIONS: The present IM spray is an effective and safe preparation for pain relief and can be used as an alternative therapeutic option for oropharyngeal mucositis in cancer patients.

PMID: 28711976 [PubMed - as supplied by publisher]

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