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Acute Effects of Betahistine Hydrochloride on Food Intake and Appetite in Obese Women: A Randomized, Placebo-Controlled Trial

Acute Effects of Betahistine Hydrochloride on Food Intake and Appetite in Obese Women: A Randomized, Placebo-Controlled Trial

Asem H Ali, Lisa B Yanoff, Elizabeth A Stern, Abena Akomeah, Amber Courville, Merel Kozlosky, Sheila M Brady, Karim A Calis, James C Reynolds, Melissa K Crocker, Nir Barak, Jack A Yanovski

Am J Clin Nutr. 2010 Dec;92(6):1290-7.

PMID: 20881066

Abstract:

Background:
Central nervous system histaminergic tone is thought to play a role in appetite regulation. In animal models, histamine receptor 1 (HRH1) agonists and histamine receptor 3 (HRH3) antagonists decrease food intake.
Objective:
The objective of this study was to examine the acute effects of betahistine hydrochloride (an HRH1 agonist and HRH3 antagonist) on food intakes and appetites.
Design:
The study was a proof-of-concept, randomized, double-blinded, placebo-controlled, dose-ranging study performed to examine the effects of betahistine in women with class I or II obesity [body mass index (BMI; in kg/m²) of 30-39.99]. After a 24-h placebo run-in period, subjects received a placebo (n = 19) or 48 (n = 19), 96 (n = 17), or 144 (n = 21) mg betahistine/d for 24 h. Treatment was followed by a buffet test meal to assess energy intake. Hunger, satiety, and desire to eat were measured after consuming the meal by using visual analog scales. Data were analyzed by using regression models with the assumption that there would be an increasing effect of betahistine doses. Analyses were adjusted for age, log fat and lean mass, food preferences, and intake during a buffet test meal obtained during the placebo run-in period.
Results:
Of the 79 obese women (mean ± SD age: 42 ± 11 y; BMI: 35 ± 3) enrolled in the study, 76 women completed the study. The betahistine dose did not significantly change intakes from those observed during the run-in period of the buffet test meal (P = 0.78). Hunger, fullness, and desire to eat (all P > 0.62) similarly showed no differences according to the betahistine dose.
Conclusions:
Betahistine did not produce an effect on food intakes or appetites. More potent histaminergic modulators may be required to elucidate the possible role of histaminergic pathways in human obesity. This trial was registered at clinicaltrials.gov as NCT00459992.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP5579840	Betahistine hydrochloride		5579-84-0	Price

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