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The effect of glycopyrroniumbromide on nocturnal clozapine induced sialorrhea in psychiatric patients: a randomized, cross-over, double blind, placebo controlled trial with an extended open label phase (QUITSPIT study)

Main objective: to determine the effect, defined as the percentage of patients that show a clinical relevant improvement on the severity of complaints of nocturnal sialorrhea, of oral glycopyrroniumbromide in comparison with placebo in psychiatric…

The effect of INhaled Glycopyrronium bromide on Excessive Sialorrhea and Drooling in Parkinson disease: a dose finding study

The primary objective is to investigate the safety and tolerability of inhalation of glycopyrronium inhalation powder using different dosing regimens. The second objectives are to determine the decrease in drooling by using different dosing regimens…

Inhibition of salivary glands to reduce uptake of radioactive Iodine

Primary: to determine if inhibition with GPB can provide a significant (>30%) reduction in the accumulation of orally administered Iodine-123 in salivary glands, measured at 4h after administraion. Secondary: to determine if a reduction at 4h…

Inhibition of salivary glands to reduce uptake and toxicity of PSMA-ligands

To determine if inhibition with GPB can provide a significant reduction in the accumulation of systemically administered Ga-PSMA in salivary glands on PET/CT, with the aim to determine if GPB can prevent toxicity from Lu-PSMA or other…