Objective: To find out whether the combination of transcutaneous electrical nerve stimulation (TENS) and ondansetron had an increased antiemetic effect. Materials and Methods: Fourteen testis and 11 bladder cancer patients were scheduled for 4 cycles of bleomycin-etoposide-cisplatin (BEP) or methotrexate-vinblastine-etoposide-cisplatin (MVEC) combination chemotherapy, respectively. At each cycle the whole cisplatin dose was given in 1 day that is 100 mg/m2/day in the BEP and 70 mg/m2/day in the MVEC protocols. Ondansetron was given at a dose of 12 mg/day and TENS was applied by commercially available ‘Relief Band’(Maven Labs, Inc., Citrus Heights, Calif., USA). The first 3 cycles of each case were blindly randomized to one of the following regimens; TENS vs. ondansetron vs. a combination of both. The regimens were applied during the administration of cisplatin and the patients were asked to report their nausea according to a scale between 0 to 10. Also for each regimen the number of emetic attacks experienced during the administration of cisplatin was recorded by the same observer. Then the scores of each regimen were compared. Results: The mean nausea scores for regimens TENS, ondansetron and TENS + ondansetron were found to be 5.12 ± 2.54, 3.0 ± 1.71 and 0.8 ± 0.96, respectively. Ondansetron was better than TENS in preventing nausea (p = 0.000). However the combination of TENS and ondansetron resulted in a significant decrease in nausea scores when compared to TENS alone (p = 0.000) or ondansetron alone (p = 0.000). The mean number of emetic attacks for the TENS, ondansetron and TENS + ondansetron regimens were 3.16 ± 1.84, 1.64 ± 1.44 and 0.56 ± 0.82, respectively. A statistically significant difference was present between the number of emetic attacks observed with the TENS + ondansetron combination and TENS alone (p = 0.000) or ondansetron alone (p = 0.001). Ondansetron was again better than TENS in preventing emetic attacks (p = 0.001). Conclusion: The use of TENS as an adjunct to ondansetron therapy has provided significant benefit in preventing nausea and emetic attacks caused by cisplatin.

Keywords:
Cisplatin, Emesis, Ondansetron, Transcutaneous electrical nerve stimulation
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© 2001 S. Karger AG, Basel
2001
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