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Psych Congress  

Effect of Deutetrabenazine on Metabolic Parameters in the Treatment of Tardive Dyskinesia


Joohi Jimenez-Shahed, MD – Baylor College of Medicine; Hadas Barkay, PhD – Teva Pharmaceuticals; Karen Anderson, MD – Georgetown University; Hubert Fernandez, MD – Cleveland Clinic; Stewart Factor, DO – Emory University; Robert Hauser, MD, MBA – University of South Florida Parkinson’s Disease and Movement Disorders Center; Maria Wieman, MPH – Teva Pharmaceuticals; Mark Gordon, MD – Teva Pharmaceuticals; Juha-Matti Savola, MD, PhD – Teva Pharmaceuticals

Teva Pharmaceuticals

BACKGROUND: Deutetrabenazine, a novel vesicular monoamine transporter 2 (VMAT2) inhibitor, is approved by the FDA for treatment of tardive dyskinesia (TD) in adults. Dopamine-receptor antagonists (DRAs) are associated with worsening of metabolic parameters, including weight gain, hyperlipidemia, and elevated blood glucose. We report the short- and long-term effects of deutetrabenazine on metabolic parameters in individuals treated for TD.

DESIGN/METHODS: Two 12-week, randomized placebo-controlled trials (RCTs) of deutetrabenazine for patients with TD evaluated either fixed dosing (AIM-TD; 12, 24, or 36 mg) or dose titration (ARM-TD; max dose, 48 mg/day). C-20 was a single-arm, open-label extension (OLE) study enrolling patients who completed one of the RCTs; all patients received deutetrabenazine. Weight, body mass index (BMI), serum glucose, serum total cholesterol, and serum triglycerides were evaluated at baseline and during treatment.

RESULTS: In the RCTs, 282 and 133 patients received deutetrabenazine or placebo. At baseline, 77% of patients used DRAs. At Week 12, no meaningful changes in weight were observed, with mean (standard error) weight changes of 0.9–1.2 (0.3–0.5) and 0.2 (0.3) kg in the deutetrabenazine and placebo groups, respectively, and mean BMI changes of 0.3–0.5 (0.1–0.2) and 0.1 (0.1). The OLE enrolled 343 patients; no meaningful weight change was observed (mean change: 0.4 [0.4] kg at Week 54 and –0.5 [0.6] kg at Week 106). Across the studies, no meaningful changes were observed in triglyceride, cholesterol, or glucose levels.

CONCLUSION: Deutetrabenazine does not affect common metabolic parameters in patients with TD, even during long-term exposure.

This poster was presented at the 32nd annual Psych Congress, held Oct. 3-6, 2019, in San Diego, California.

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