Clinical trials
Menstrual Cycle clinical trials
Below are recruiting menstrual cycle clinical trials, each written for real people, not researchers. We’re tracking 43 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05878314Recruiting
Testing how hormones and tumor markers guide breast cancer treatment
This study looks at how planned hormone (endocrine) treatment, the menstrual cycle, and lab markers from the tumor may help doctors choose the best treatment for early-stage, hormone-receptor–positive, HER2-negative breast cancer. It may help personalize decisions, including what to do before surgery.
TübingenAges 18 years+ - NCT07587346Recruiting
Vibration and Relaxation for Athlete Girls With Triad Syndrome
This study tests whether whole-body vibration (gentle shaking platforms) and relaxation techniques can help teenage female athletes with the Triad Syndrome—a condition involving low energy intake, missing periods, and weak bones. The goal is to improve bone health and restore normal menstrual cycles.
CairoAges 14–16 - NCT05188014Recruiting
Exercise timing your menstrual cycle in type 1 diabetes
This study looks at how doing exercise at different points in your menstrual cycle affects blood sugar control in people with type 1 diabetes. It may help you and your care team understand how to plan exercise more safely and effectively around your period.
Edmonton, AlbertaAges 18–50 - NCT04196595Recruiting
Apple study for women’s health using an iPhone app
This study looks at women’s health by collecting information through an Apple Research app on your iPhone. You may help improve how health data is gathered, while also checking in with the study team by agreeing to participate.
Boston, MassachusettsAges 18 years+ - NCT05515354RecruitingPhase 4
Smoking quit plan matched to your menstrual cycle phase
This Phase 4 study tests a smoking-quit treatment plan timed to your menstrual cycle. It may help you quit smoking and learn how quitting support works for people who menstruate regularly.
Toronto, OntarioAges 18–40 - NCT06251635Recruiting
Antipsychotics and brain insulin in women
This study looks at how a common antipsychotic medication (olanzapine) affects how the brain uses insulin in young women. It aims to understand weight gain and metabolic changes linked to these drugs.
Toronto, OntarioAges 18–35 - NCT06273800Recruiting
Chemo timing and the menstrual cycle in breast cancer
This study tests whether the timing of chemotherapy during your menstrual cycle affects how well it works in triple-negative breast cancer. Women with regular periods who are about to start chemo before surgery may be eligible.
Amsterdam, North HollandAges 18–59 - NCT06282055Recruiting
Insulin sensitivity changes during menstrual cycles in type 1 diabetes
This study looks at how insulin sensitivity changes during the menstrual cycle in women with type 1 diabetes. It may help find patterns that could improve diabetes care.
BernAges 18–40 - NCT06297980Recruiting
Periods, blood sugar, and exercise in type 1 diabetes
This study looks at how your menstrual cycle affects your blood sugar and how you respond to exercise if you have type 1 diabetes. It aims to help women manage their diabetes better throughout the month.
Aurora, ColoradoAges 18–45 - NCT06338072Recruiting
How menstrual cycles affect diabetes in women using an insulin pump
This study looks at how the menstrual cycle affects blood sugar control in women with type 1 diabetes who use a Medtronic 780G insulin pump. It aims to help understand if hormone changes during the month impact diabetes management.
Madrid, MadridAges 18–50 - NCT03951194RecruitingPhase 2/Phase 3
Platelet-rich plasma infusion for perimenopausal women
This trial tests whether infusing a concentration of your own blood platelets into the ovary can help regulate menstrual cycles and improve ovarian function in women going through perimenopause.
AthensAges 40–50 - NCT06729242Recruiting
How menstrual cycle phases affect exercise and blood sugar in type 1 diabetes
This study looks at how the menstrual cycle changes the way your body responds to aerobic exercise or high-intensity interval training (HIIT) when you have type 1 diabetes. It may help you understand the best time to exercise for better blood sugar control.
Valencia, Select OneAges 18–45 - NCT06771583Recruiting
Finding biomarkers for PMDD in blood samples
This study looks for chemical markers in the blood that might help diagnose PMDD. It involves blood draws and questionnaires over one or two menstrual cycles to see how your body responds to natural hormone changes.
Baltimore, MarylandAges 18–50 - NCT06892080Recruiting
Urine leakage and hormones in women with spinal cord injury
This pilot study looks at how urine leakage (incontinence) relates to sex hormones in women with a chronic spinal cord injury. You may be able to join if you are a woman with a steady menstrual cycle and some bladder issues.
NottwilAges 18 years+ - NCT07180654Recruiting
TMS brain stimulation study in menstrual cycle
This study uses transcranial magnetic stimulation (TMS), a non-invasive brain stimulation technique, to see how it affects brain plasticity (the brain's ability to change) throughout the menstrual cycle. It may help researchers understand differences in brain function related to hormones.
Philadelphia, PennsylvaniaAges 20–40 - NCT07248553Recruiting
Timing of Mirena IUD placement and ovarian cyst risk
This study looks at whether the time of month a levonorgestrel IUD (Mirena) is placed affects the chance of developing ovarian cysts. It may help women who need this IUD for conditions like heavy bleeding or endometriosis.
Gaziosmanpaşa, Outside of the USAges 18–45 - NCT06983184Enrolling by invitation
Period-synced training for teenage athletes
This trial tests a training program that adjusts to your menstrual cycle to help teenage athletes prevent injuries and improve strength. It uses a smart ring to track sleep, activity, and body signals.
Frisco, TexasAges 13–19 - NCT05746793Recruiting
IVF pregnancy study to prevent pre-eclampsia in high-risk women
This trial studies ways to lower the risk of pre-eclampsia (dangerous high blood pressure in pregnancy) in women who are having a first pregnancy through IVF/ICSI or who have PCOS. It’s aimed at people considered higher risk for pre-eclampsia.
BrusselsAges 18–48 - NCT07078682Recruiting
Study of two supplements for uterine fibroid symptoms
This trial tests two supplements (Elix Cycle Balance and Elix Daily Harmony) to see if they can reduce pain and other symptoms caused by uterine fibroids. It is for women who have regular but painful periods and want to try a non-medicine option.
Las Vegas, NevadaAges 20–45
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Common questions
- Are there clinical trials for menstrual cycle?
- Yes. Clin2 currently lists 43 recruiting menstrual cycle studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a menstrual cycle trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a menstrual cycle trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.