INFLUENCE OF GRANISETRON ON THERMOREGULATION DURING EXERCISE IN THE HEAT

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Authors
  1. McLellan, T.M.
  2. Ducharme, M.B.
Corporate Authors
Defence and Civil Inst of Environmental Medicine, Downsview ONT (CAN)
Abstract
A NATO project group has an interest in selecting an antiemetic agent hat not only is effective inthe prevention of emesis induced by chemical agents or radiation exposure but also has minimal, if any, side effects. Granisetron is the second candidate drug of a class of selective serotonin antagonists that has been shown to be an effective antiemetic agent for patients receiving radiation or chemotherapy treatment. The present study was designed to evlautae whether a single 2-mg oral dose of granisetron influenced temperature regulation during exercise in a hot and relatively dry environment. Hypothesis: Based on our previous findings with the other candidate drug, ondanseton, we hypothesized that granisetron would not influence temperature regulation. Methods: Nine unacclimatized males performed a drug and placebo trial in a double-blind manner. The sessions involved walking on a treadmill at 4.8 km.h 1(-) with a 2% elevation for a maximum of 3 h at 40C and 30% relative humidity while wearing combat clothing. Results: Granisetron was associated with a small (0.2C) but significant elevation in mean skin temperature at the beginning and after 2 h of exercise. However, there was no difference between trials for the 1.6C increase in rectal temperature.
Keywords
Granisetron
Report Number
DCIEM-95-15 — Reprint
Date of publication
01 Jan 1995
Number of Pages
5
Reprinted from
Aviation, Space, and Environmental Medicine, vol 67, no 5, 1996, p 453-457
DSTKIM No
96-02153
CANDIS No
498768
Format(s):
Document Image stored on Optical Disk;Hardcopy

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