Crick
HomeTrialsGenesDrugs23andMeGraphBlogContact
  • Home
  • Trials
  • Genes
  • Drugs
  • 23andMe
  • Graph
  • Blog
  • Contact
Crick

An open-source clinical intelligence platform. Explore clinical trials, gene networks, and molecular structures using public data sources.

Data Sources

  • ClinicalTrials.gov
  • OpenTargets
  • ClinVar
  • PubChem

Links

  • Contact
  • About
  • Privacy

© 2026 Crick. All rights reserved.

Crick is for educational purposes only. Not medical advice.

Results for “Irregular Periods”

56 trials

Filters

Phase
Early Phase 1
Phase 1
Phase 2
Phase 3
Phase 4
Status
Recruiting
Active, Not Recruiting
Not Yet Recruiting
Completed
Enrolling by Invitation

Showing 20 of 56 results

Not applicableStudy completedNCT01604603
What this trial is testing

The Clinical and Biochemical Characteristics in Women With Different Menstrual Pattern

Who this might be right for
Regular Menstrual CycleIrregular Menstrual Cycle
Taipei Medical University WanFang Hospital 470
Testing effectiveness (Phase 2)Enrolling By InvitationNCT07319286
What this trial is testing

Role of Glucagon-like Peptide-1 Receptor Agonists in Menstrual Irregularities in Adolescent Females With Type 1 Diabetes Mellitus

Who this might be right for
Menstrual IrregularitiesType1 Diabetes MellitusGlucagon-Like Peptide-1 Receptor Agonists+1 more
Ain Shams University 50
Not applicableLooking for participantsNCT07169136
What this trial is testing

Effects of Glucagon-like Peptide-1 (GLP-1) Agonist in Neuro-reproductive Function in Obese Adolescent Females With Polycystic Ovary Syndrome (PCOS)

Who this might be right for
Polycystic Ovarian Syndrome in Adolescent FemalesObesity (Disorder)
Nemours Children's Clinic 20
Testing effectiveness (Phase 2)Ended earlyNCT02865915
What this trial is testing

MLE4901 vs. Placebo for the Treatment of PCOS

Who this might be right for
Polycystic Ovary Syndrome (PCOS)
Millendo Therapeutics US, Inc. 55
Not applicableUnknownNCT05197491
What this trial is testing

Women's Menstruation During the Covid-19 Pandemic

Who this might be right for
Menstrual IrregularityStress Related DisorderCOVID-19 Pneumonia+2 more
Fayoum University 100
Not applicableActive Not RecruitingNCT06768879
What this trial is testing

Sonographic Evaluation Of Uterine Fibroids At Different Locations In Patient With Irregular Menstrul Cycle

Who this might be right for
Menstrual Irregularity
Superior University 97
Large-scale testing (Phase 3)Study completedNCT01154192
What this trial is testing

Theca Cell Function in Adolescents With Polycystic Ovary Syndrome (PCOS)

Who this might be right for
PCOS
University of California, San Diego 24
Not applicableLooking for participantsNCT06471582
What this trial is testing

Timing of Energy Availability on Menstrual Cycle Function

Who this might be right for
Menstrual Irregularity
University of Colorado, Colorado Springs 64
Not applicableStudy completedNCT04710017
What this trial is testing

Tranexamic Acid and Depot-Medroxyprogesterone Acetate for Perimenopausal Irregular Uterine Bleeding

Who this might be right for
Uterine Bleeding
Assiut University 110
Not applicableStudy completedNCT01059968
What this trial is testing

Low Energy Availability, Menstrual Irregularity, and Low Bone Mass

Who this might be right for
Bone DensityEnergy Availability
USDA, Western Human Nutrition Research Center 45
Not applicableStudy completedNCT06339476
What this trial is testing

Exploring the Complex Links Between Menstrual Irregularity and Cellular Markers

Who this might be right for
Menstrual IrregularityMenstrual Cycle Abnormal
Cumhuriyet University 56
Post-approval studies (Phase 4)UnknownNCT01103518
What this trial is testing

Ethinyl Estradiol and Cyproterone Acetate in Irregular Menstruation

Who this might be right for
AmenorrheaDysmenorrheaMenstruation Disturbances+1 more
Fundação Educacional Serra dos Órgãos 100
Post-approval studies (Phase 4)Ended earlyNCT04940013
What this trial is testing

Missed Period Pill Study

Who this might be right for
Menstrual RegulationMenstrual Irregularity
University of California, San Francisco 17
Not applicableStudy completedNCT03547453
What this trial is testing

Ovarian Ultrasonography for the Clinical Evaluation of Polycystic Ovary Syndrome

Who this might be right for
Polycystic Ovary Syndrome (PCOS)Menstrual IrregularityOverweight and Obesity
Cornell University 240
Large-scale testing (Phase 3)Study completedNCT01480778
What this trial is testing

Evaluation of Ciclo 21® Effect (Levonorgestrel + Ethinyl Estradiol) Compared to Nordette®.

Who this might be right for
Irregular Periods
Azidus Brasil 62
Not applicableLooking for participantsNCT06208995
What this trial is testing

Quality of Life in Normogonadotropic Anovulation

Who this might be right for
AnovulationIrregular Menses
Jagiellonian University 300
Not applicableStudy completedNCT01711216
What this trial is testing

Treatment Regimen in Menstrual Cycle Regularization and Persistence in Routine Clinical Practice in Russia, Ukraine, Kazakhstan and Uzbekistan

Who this might be right for
Irregular Menstrual Cycle
Abbott 999
Not applicableStudy completedNCT05083065
What this trial is testing

Evaluation of Menstrual Irregularities and Abnormal Uterine Bleeding After Covid-19 Vaccine

Who this might be right for
COVID-19VaccineMenstrual Irregularity+1 more
Università degli Studi dell'Insubria 369
Testing effectiveness (Phase 2)UnknownNCT03264781
What this trial is testing

The Effect of Cyclofem® for the Treatment of Irregular Uterine Bleeding in Implant Contraceptive Users

Who this might be right for
Uterine Bleeding
Chulalongkorn University 44
Not applicableStudy completedNCT07047222
What this trial is testing

Improving Menstrual Health Through BCC Among Bangladeshi University Students

Who this might be right for
DysmenorrheaPremenstrual Syndrome-PMSMenstrual Irregularity
Shahjalal University of Science and Technology 498
Load More Results