Examining the Effects of Estradiol on Neural and Molecular Response to Reward

Trial statusRecruiting
Trial phasePhase 4
Trial typeInterventional
Biological sexFemale
Age45-55
SponsorUniversity of North Carolina, Chapel Hill

About this trial

This proposal will examine the effects of estradiol administration on perimenopausal-onset (PO) anhedonia and psychosis symptoms as well as on brain function using simultaneous positron emission tomography and functional magnetic resonance imaging (PET-MR).

Eligibility criteria

Qualifiers

Provision of signed and dated informed consent form

Stated willingness to comply with all study procedures, lifestyle considerations, and availability for the duration of the study

44-55 years old unmedicated perimenopausal women who have ≥ 2 skipped menstrual cycles, amenorrhea ≥ 60 days, corresponding to the late menopause transition (Stages of Reproductive Aging Workshop (STRAW stage -1).

Anhedonia or psychosis symptoms that began during the period of menstrual irregularity.

Disqualifiers

Pregnancy; allergies to any active or inactive ingredients in the Climara® patch or Prometrium®.

BMI < 18 or > 35 kg/m²

A history of chronic menstrual cycle irregularity, meaning > 1 year without menses

MR contraindications: Metal in the body, dental work other than fillings or gold, tattoos, metal injury, any other implant unless they are 100% plastic.

Trial design

Treatments tested in this trial

  • Transdermal Estradiol
  • Micronized Progesterone
  • Matching Placebo Patch
  • Raclopride C11

Treatment groups

103 Participants
are divided into 8 treatment groups

8

Treatment groups

See each treatment group below.

Sponsors and collaborators

University of North Carolina, Chapel Hill

Lead sponsor

National Institute of Mental Health (NIMH)

Collaborator