Menstrual Cycle Study

NCT ID: NCT05999123

Last Updated: 2024-12-20

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

143 participants

Study Classification

OBSERVATIONAL

Study Start Date

2023-07-25

Study Completion Date

2024-08-30

Brief Summary

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A data collection study to develop algorithms to estimate menstrual cycle phases.

Detailed Description

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Conditions

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Menstruation Ovulation

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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All Participants

Up to 150 participants will be enrolled at one or more clinical research sites in the United States. Participants will be healthy, menstruating individuals between 18 to 42 years of age who meet all eligibility criteria.

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Adults who are between 18 - 42 years old at enrollment and menstruate
* Capable of giving informed consent in Spanish or English
* Menstrual cycle lengths between 21- 45 days
* Have tracked menstruation for at least 3 menstrual cycles out of the prior 6 months
* Willing to wear a wrist-worn wearable device continuously for 6 months
* Willing to use an ovulation predictor kit for 6 months
* Willing to report vaccine history
* Owns a smartphone compatible with the study and has access to wi-fi

Exclusion:

* A citizen of the European Union or United Kingdom
* Trying to conceive during the six-month study period
* Have used specific forms of birth control in the 3 months prior to the study or planning on using specific birth control methods during the study duration
* Participant has undergone hormonal treatment in the past 3 months or planning to do so during the study
* Known history of health-related issues that affect their menstrual cycle, history of pelvic radiation, vasomotor symptoms, endometriosis, fibroids, polyps, ovarian cysts or known history of health-related issues that affect the physiology
* Currently (or within the past 3 months) engaged in health impacting behaviors
* Have been breastfeeding or pregnant in the past 6 months prior to the study
* On medications or taking substances that could affect their menstrual cycle or physiology
* Travel frequently such as crossing more than two time zones at least once every 2 weeks
* Have a known sleeping disorder or consistently work night shifts
Minimum Eligible Age

18 Years

Maximum Eligible Age

42 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes

Sponsors

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Fitbit LLC

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Daniel Johnson, DO

Role: PRINCIPAL_INVESTIGATOR

Artemis Institute for Clinical Research

Locations

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Artemis Headlands LLC (Artemis Institute for Clinical Research)

San Diego, California, United States

Site Status

Countries

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United States

Other Identifiers

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GH-FH-001

Identifier Type: -

Identifier Source: org_study_id