Peak change in oxytocin (OT) plasma level
Time frame · from baseline oxytocin measurement (before intake) to 6 hours after administration of MDMA
Registry description
Peak change in OT plasma level
Time course of plasma OT levels
Time frame · from baseline oxytocin measurement (before intake) to 6 hours after administration of MDMA
Registry description
Time course of plasma OT levels
Time course of plasma MDMA concentration
Time frame · from baseline oxytocin measurement (before intake) to 6 hours after administration of MDMA
Registry description
Time course of plasma MDMA concentration
Time course of cortisol levels
Time frame · from baseline oxytocin measurement (before intake) to 6 hours after administration of MDMA
Registry description
Time course of cortisol levels
Time course of prolactin levels
Time frame · from baseline oxytocin measurement (before intake) to 6 hours after administration of MDMA
Registry description
Time course of prolactin levels
Time course of copeptin levels
Time frame · from baseline oxytocin measurement (before intake) to 6 hours after administration of MDMA
Registry description
Time course of copeptin levels
Time course of adrenocorticotropic hormone (ACTH) levels
Time frame · from baseline oxytocin measurement (before intake) to 6 hours after administration of MDMA
Registry description
Time course of ACTH levels
Subjective/emotional effects
Time frame · from baseline oxytocin measurement (before intake) to 6 hours after administration of MDMA
Registry description
Subjective/emotional effects assessed on a 10-point visual analog scale (e.g., feelings of anxiety, pleasure, fear, 0 = better outcome,10 = worst outcome)
Recognition of negative emotions in the face emotion recognition task (FERT)
Time frame · from baseline oxytocin measurement (before intake) to 6 hours after administration of MDMA
Registry description
Recognition of negative emotions in the face emotion recognition task (FERT)
Empathy in the multifaceted empathy task (MET)
Time frame · from baseline oxytocin measurement (before intake) to 6 hours after administration of MDMA
Registry description
Empathy in the multifaceted empathy task (MET)
Anxiety level with the State-Trait Anxiety Inventory (STAI)
Time frame · from baseline oxytocin measurement (before intake) to 6 hours after administration of MDMA
Registry description
Anxiety level with the State-Trait Anxiety Inventory (STAI)
Level of Alexithymia using the Toronto-Alexithymia-Scale 20 (TAS-20)
Time frame · from baseline oxytocin measurement (before intake) to 6 hours after administration of MDMA
Registry description
Level of Alexithymia using the Toronto-Alexithymia-Scale 20 (TAS-20); total scores can range from 20-100, with higher scores indicating greater impairment/challenges
Level of depression using the Beck-Depressions-Inventory II (BDI-II)
Time frame · from baseline oxytocin measurement (before intake) to 6 hours after administration of MDMA
Registry description
Level of depression using the Beck-Depressions-Inventory II (BDI-II); 21-question multiple-choice self-report inventory. Higher total scores indicate more severe depressive symptoms.
Level of general physical & mental health using the short form health survey (SF-36)
Time frame · from baseline oxytocin measurement (before intake) to 6 hours after administration of MDMA
Registry description
Level of general physical \& mental health using the short form health survey (SF-36); 36-item, patient-reported survey of patient health; the higher the score, the more favourable the health state.