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The purpose of this study is to measure the effects of MDMA on sleep, mood, thinking, and how your body retains water. The researchers are interested in the effects that occur a few hours after taking MDMA as well as effects occurring over the next two days. We will study these effects in a standardized, controlled setting at the Clinical and Translational Science Institute (CTSI) Clinical Research Center (CRC) located at San Francisco General Hospital.
The primary hypotheses are:
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Full description
This is a placebo-controlled, double-blind, gender balanced, within-subject study on the acute and 24 to 48 hour post dose effects (discontinuation syndrome) of MDMA on sleep architecture, water homeostasis and neurocognitive function. We will define the signs and symptoms of sleep disruption and time course of alterations in ADH levels and neurocognitive function occurring after administration of a single dose of MDMA in experienced users. The immediate effects of MDMA include euphoria and intoxication; at 24 hours after MDMA these positive effects are replaced by lowered mood and lethargy - we refer to these effects as a discontinuation syndrome. The pleasurable effects of MDMA are thought to be due to elevations of serotonin, norepinephrine and dopamine; the mechanisms of post-MDMA depression are unknown but may be due to relative serotonin depletion. Among its many functions serotonin maintains normal sleep architecture. The effects of MDMA discontinuation on sleep architecture will be assessed using comprehensive polysomnography and wrist actigraphy with measures obtained ~36 hours after a single dose of MDMA. Cognitive measurements will explore the acute effects of MDMA. MDMA can produce hyponatremia. In this study we will evaluate the effects of MDMA on ADH release, urine sodium excretion, and the relationship of gender to these effects.
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12 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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