NCT00327366

Brief Summary

The study investigated whether bright artificial light may influence menstrual cycle and ovulation conclusively, and what underlying hormonal changes for this effect are.

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
27

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Sep 2003

Typical duration for not_applicable

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

September 1, 2003

Completed
2.6 years until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2006

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

May 17, 2006

Completed
1 day until next milestone

First Posted

Study publicly available on registry

May 18, 2006

Completed
Last Updated

October 19, 2009

Status Verified

October 1, 2009

First QC Date

May 17, 2006

Last Update Submit

October 18, 2009

Conditions

Anovulation

Keywords

Menstrual CycleLight TherapySex HormonesOvulation

Interventions

Light therapyPROCEDURE

Eligibility Criteria

Age19 Years - 40 Years
Sexfemale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Age 19-40 years
  • Mean menstrual cycle 28-38 days
  • Good general health
  • Generally normal sleep-wake regimen
  • Motivated for free participation

You may not qualify if:

  • Low cooperation
  • Medications known to interfere with hormone release
  • Clinically evident endocrine abnormalities including the signs of
  • Hyperandrogenism
  • Travel over several time zones during two months prior the study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Anovulation

Interventions

Phototherapy

Condition Hierarchy (Ancestors)

Ovarian DiseasesAdnexal DiseasesGenital Diseases, FemaleFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesGenital DiseasesGonadal DisordersEndocrine System Diseases

Intervention Hierarchy (Ancestors)

Therapeutics

Study Officials

  • Konstantin V. Danilenko, MD

    Institute of Internal Medicine SB RAMS

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
BASIC SCIENCE
Intervention Model
CROSSOVER
Sponsor Type
OTHER

Study Record Dates

First Submitted

May 17, 2006

First Posted

May 18, 2006

Study Start

September 1, 2003

Study Completion

April 1, 2006

Last Updated

October 19, 2009

Record last verified: 2009-10