Prospective, controlled, blinded, randomized crossover trial evaluating the effect of maropitant versus ondansetron on inhibiting tranexamic acid‐evoked emesis

Kantyka, Marta E.; Meira, Carolina; Bettschart‐Wolfensberger, Regula; Hartnack, Sonja; Kutter, Annette P.N. (2020). Prospective, controlled, blinded, randomized crossover trial evaluating the effect of maropitant versus ondansetron on inhibiting tranexamic acid‐evoked emesis. Journal of veterinary emergency and critical care, 30(4), pp. 436-441. Wiley-Blackwell 10.1111/vec.12954

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Objective: To evaluate the incidence of tranexamic acid (TXA)-induced nausea and vomiting after the prophylactic use of 2 antiemetics, ondansetron and maropitant, compared with saline.

Design: Prospective, blinded, placebo-controlled, randomized, crossover study.

Setting: University research facility.

Animals: Eight adult, purpose-bred Beagles.

Intervention: Dogs received 3 treatments on 3 occasions with a 3-week washout period. Either maropitant (1 mg/kg), ondansetron (0.2 mg/kg), or saline solution was given intravenously in equal volumes, followed 10 minutes later by 50 mg/kg IV TXA. A blinded observer evaluated the dogs for signs of vomiting and nausea for 30 minutes. The severity of nausea was assessed with a visual analog scale (VAS) and recorded at baseline before TXA, and at the end of 3 observational periods: 0-5, 5-15, and 15-30 minutes after TXA. A generalized linear mixed effect model was used to assess for group and period effects. Statistical significance was set at P<0.05
P<0.05
.

Measurements and main results: None of the dogs vomited after maropitant. Emesis occurred in 5 out of 8 dogs (62.5%), a median (range) of 1 time (1-2) after ondansetron and 1 time (1-3) after saline. There was a significant effect on vomiting of maropitant against saline (P < 0.0001) but not for ondansetron against saline (P = 0.53). The highest nausea VASs were recorded during the first 5 minutes after TXA with a significant reduction of VAS variability in the maropitant group (P = 0.003). The effect of maropitant and ondansetron against saline on the severity of nausea was not statistically significant (P = 0.069).

Conclusion: The neurokinin 1 receptor antagonist maropitant at the dose used, administered IV 10 minutes before 50 mg/kg TXA, was effective in preventing vomiting compared with ondansetron and placebo. Our results support the prophylactic IV administration of maropitant in dogs that are scheduled to receive TXA.

Item Type:

Journal Article (Original Article)

Division/Institute:

05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV)
05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV) > DKV - Anaesthesiology

UniBE Contributor:

Kantyka, Marta Ewelina

ISSN:

1479-3261

Publisher:

Wiley-Blackwell

Language:

English

Submitter:

Claudia Spadavecchia

Date Deposited:

11 Feb 2021 10:28

Last Modified:

05 Dec 2022 15:46

Publisher DOI:

10.1111/vec.12954

PubMed ID:

32515910

BORIS DOI:

10.48350/151758

URI:

https://boris.unibe.ch/id/eprint/151758

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