The Pill Project - Oral Contraceptive and Serotonergic Brain Signaling
Hormonal Sensitivity and Brain Function: Do Oral Contraceptives Distort Serotonergic Brain Signaling?
1 other identifier
interventional
40
1 country
1
Brief Summary
Large register based work has shown that starting on oral contraceptives (OCs) is associated with an increased risk of developing depressive episodes. It is not known why this is, but changes in the serotonergic brain system might play a role. Intriguingly, in cross-sectional work, the investigators have demonstrated a lower level of the serotonin 4 receptor globally in the brain of healthy women using oral contraceptives compared to non-users. The order of magnitude of this difference is comparable to what has been observed in depressed individuals relative to healthy controls. In this study, the investigators will apply a longitudinal design to determine if starting on oral contraceptives induces a reduction in the serotonin 4 receptor in healthy women and whether such changes are related to potential changes in measures of cognition as well as mood/affect and sexual desire. The study is a single-blind randomized placebo-controlled trial with a 3-month intervention paradigm of either Femicept (2nd generation combined oral contraceptive) or placebo. The investigators will include participants until 20 women have completed the study in each arm. Participants will go through an investigational program, including PET and MR brain scans and neuropsychological testing, before starting on the treatment and again during the third pill cycle. To capture changes in mood/ and sexual desire, the participants will complete daily questionnaires during the baseline menstrual cycle and during third pill cycle. A linear latent variable model will be used to evaluate if OC use induces changes in the serotonin 4 receptor level and such changes will be correlated to changes in secondary outcomes (i.e., cognitive and psychometric measures).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable major-depressive-disorder
Started Dec 2021
Typical duration for not_applicable major-depressive-disorder
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
December 20, 2021
CompletedStudy Start
First participant enrolled
December 22, 2021
CompletedFirst Posted
Study publicly available on registry
January 28, 2022
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 31, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
August 31, 2025
CompletedFebruary 28, 2022
February 1, 2022
2.7 years
December 20, 2021
February 9, 2022
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Change in neostriatal, neocortical, and hippocampal 5-HT4R brain binding from baseline to follow-up measured with Positron Emission Tomography (PET) in active vs. placebo group
Difference in latent variable construct of 5-HT4R level based on a quantification of 5-HT4R binding in primary regions of interest; neocortex, neostriatum, and hippocampus. Change is compared between the OC- and the placebo group.
3 months
Secondary Outcomes (21)
Change in serial Positive Affect (PA) score derived from daily ratings of the Positive and Negative Affects Schedule (PANAS) questionnaire.
3 months
Change in serial Total Mood Disturbance (TMD) scores derived from daily ratings of the Profile of Mood States - Short Form (POMS-SF) questionnaire
3 months
Change in serial sexual desire scores derived from daily ratings of the Element of Desire Questionnaire (EDQ)
3 months
Change in the Female Sexual Function Index (FSFI) score
2 and 3 months
Change in reward stimulated BOLD signal in ventral striatum measured with fMRI
3 months
- +16 more secondary outcomes
Other Outcomes (16)
Change in serial Negative Affect (NA) score derived from daily ratings of the Positive and Negative Affect Schedule (PANAS) questionnaire
3 months
Change in Positive Affect (PA) score derived from the Positive and Negative Affect Schedule (PANAS) questionnaire (regarding "last few weeks")
2 and 3 months
Change in Negative Affect (NA) score derived from the Positive and Negative Affect Schedule (PANAS) questionnaire (regarding "last few weeks")
2 and 3 months
- +13 more other outcomes
Study Arms (2)
Femicept
ACTIVE COMPARATOR3x28 days of treatment with Femicept. Each cycle consists of 21 days of active pill (Femicept) and 7 days of placebo pill.
Placebo
PLACEBO COMPARATOR3x28 days of treatment with placebo
Interventions
Eligibility Criteria
You may qualify if:
- Healthy women at 18-22 years of age
- No use of hormonal contraception within the last year
- Having a regular menstrual cycle of approximately 28 days, i.e., approximately 28 days between first day of menstrual bleedings.
You may not qualify if:
- Current or previous neurological or psychiatric disease, severe somatic disease, or consumption of medical drugs likely to influence the test results
- Non-fluent in Danish or pronounced visual or auditory impairments
- Current or past learning disability
- Current or previous pregnancy
- A wish to become pregnant within the following 6 months
- Participation in experiments with exposure to radioactivity (\> 10 mSv) within the last year or significant occupational exposure to radioactivity
- Contraindications for MRI (pacemaker, metal implants, claustrophobia)
- Allergy to the ingredients in the administered drug
- A diagnosis of hypo- or hypertension
- A history of head injury or concussion resulting in loss of consciousness for more than 2 min
- Alcohol abuse
- Drug use other than tobacco and alcohol within the last 30 days
- Cannabis \> 50 x lifetime
- Recreational drugs \> 10 x lifetime (for each substance)
- Nicotine addiction
- +3 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Neurobiology Research Unit
Copenhagen, 2100, Denmark
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Vibe Frokjaer, MD, PhD
Neurobiology Research Unit, Copenhagen University hospital, Rigshospitalet, Denmark
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- BASIC SCIENCE
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- MD, Adjunct Professor
Study Record Dates
First Submitted
December 20, 2021
First Posted
January 28, 2022
Study Start
December 22, 2021
Primary Completion
August 31, 2024
Study Completion
August 31, 2025
Last Updated
February 28, 2022
Record last verified: 2022-02
Data Sharing
- IPD Sharing
- Will share
- Shared Documents
- STUDY PROTOCOL
- Time Frame
- Data are expected to become available from December 2026.
- Access Criteria
- Data will be available on reasonable request via an application to the Cimbi database of molecular brain PET in healthy humans. Access can be requested through the procedures outlined here: https://cimbi.dk/index.php/documents/category/3-cimbi-database.
When the planned analyses from the trial are published, the data will become publicly available. According to the Danish legislation, data will be available only by approval by the Danish Data Protection Agency and with a signed agreement.