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STUDY TO INVESTIGATE THE EFFECTS OF LEVOCETIRIZINE AND DIPHENHYDRAMINE ON COGNITIVE AND PSYCHOMOTOR FUNCTIONING DURING SIMULATED DIVING AT 2 BAR AND 4 BAR IN PROFESSIONAL NAVY DIVERS

Investigate the effects of levocetirizine, diphenhydramine and placebo on cognitive and psychomotor functioning during controlled simulated diving in a recompression chamber in professional navy divers at 10 mt (2 bar) and 30 mt (4 bar).

A double-blind, randomized, placebo-controlled, five-way cross-over interaction trial to investigate the inhibitory effect of olanzapine on a THC-induced increase on the Positive and Negative Syndrome Scale

- To investigate whether olanzapine influences the (psychomimetic) effects of THC, in particular on the Positive and Negative Syndrome Scale (PANSS) - To further explore the pharmacologic basis of the THC model - To investigate the effects of…