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Premenstrual Dysphoric Disorder clinical trials

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

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Terminated
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NCT ID: NCT02362191 Terminated - Clinical trials for Premenstrual Dysphoric Disorder

Targeting Inter-Hemispheric Alpha Coherence With tACS To Treat PMDD

Start date: March 2015
Phase: N/A
Study type: Interventional

Purpose: Using transcranial alternating current stimulation (tACS), we will study whether tACS induces changes in prefrontal alpha oscillatory frequencies in women with premenstrual dysphoric disorder (PMDD) and whether tACS effects on alpha oscillations varies by menstrual cycle phase. An exploratory objective is to assess whether there are any changes in symptom severity during the menstrual cycle phase in which tACS is delivered relative to their baseline symptom levels (determined in a diagnostic feeder study, see below). Participants: Women between ages 18-52 with a diagnosis of PMDD confirmed by participation in a PMDD diagnostic study (IRB# 05-3000). Procedures (methods): After a re-screening and consent appointment, eligible participants will alert the study staff when they begin menstruating. Participants will have their first session in either the follicular phase or luteal phase (determined by ovulation testing) of their menstrual cycle and the second session in the other cycle phase. The order of phase at first testing will be counterbalanced across participants. Each session will consist of 40 minutes of tACS with by an EEG recording before and after stimulation. Patients' symptoms will be assessed at the end of each session and with the daily mood ratings collected throughout the menstrual cycle that coincides with tACS sessions (approximately 26 - 32 days).