LSD microdosing and the menstrual cycle
The University of Auckland is conducting a study about the effects of LSD microdosing on the menstrual cycle. The study looks at the brain's response to drug changes during the menstrual cycle.

What's involved?
This study measures the brain's response to drug changes during the menstrual cycle, particularly the effect of serotonergic-acting drugs. Participants will track their menstrual cycle and receive low dose LSD (the study drug) that modifies serotonergic signalling during different phases of the cycle. Their EEG and blood samples will be measured.
You can find the study pre-screening questionnaire here.
Eligibility criteria
To participate in this study, you must
- Be aged 18-46 years
- Have a regular menstrual cycle
- Not be taking any hormonal contraception
- Be willing to take the study drug
- Be willing to participate for five months
- Have mild to no PMS symptoms
Contact details
Farheen Kothiwala
PhD candidate
Email: pmdd@auckland.ac.nz
Phone: 027 204 6170 (MDMENS team)
Further information
This study has been approved by the HDEC and SCOTT.
Approval numbers: HDEC FULL 19211 and 2023 SCOTT 19284.