Impact of Mother-of-pearl Supplement on Preventing Osteoporosis in Post-menopausal Women

Study of the Impact of Mother-of-pearl Nutritional Supplementation on the Prevention of Post-menopausal Osteoporosis: Multicentre, Double-blind Randomized Versus Positive Comparator Study

Not applicable Interventional Centre Hospitalier Universitaire de Saint Etienne · NCT05571514

This study tests whether taking mother-of-pearl supplements can help prevent osteoporosis in post-menopausal women aged 50 to 65 who are at risk for the condition.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment200 (estimated)
Ages50 Years to 65 Years
SexFemale
SponsorCentre Hospitalier Universitaire de Saint Etienne Academic / other
Locations7 sites (Clermont-Ferrand and 6 other locations)
Trial IDNCT05571514 on ClinicalTrials.gov

What this trial studies

This study investigates the effects of mother-of-pearl supplementation on preventing osteoporosis in post-menopausal women aged 50 to 65 who are at risk of developing the condition. The approach involves administering powdered mother-of-pearl, which is believed to provide calcium supplementation and promote bone health through its anti-resorptive and osteoanabolic properties. Participants will be monitored for changes in bone density and overall bone health over the course of the intervention.

Who should consider this trial

Good fit: Ideal candidates are post-menopausal women aged 50-65 with a T-score between -1 and -3 and no history of fragility fractures.

Not a fit: Patients with conditions affecting bone metabolism or those on conflicting treatments may not benefit from this study.

Why it matters

Potential benefit: If successful, this could provide a novel nutritional approach to prevent osteoporosis and reduce fracture risk in post-menopausal women.

How similar studies have performed: While the use of nutritional supplements for osteoporosis prevention is common, the specific use of mother-of-pearl is relatively novel and has not been extensively tested in prior studies.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Post-menopausal women (50-65y) with risk of becoming osteoporotic
* T-score between -1 and -3
* Absence of fragility fractures history

Exclusion Criteria:

* absence of parathyroid glands (phospho-calcic regulation)
* presence of kidney stones
* patients who follow a treatment that could interfere with bone metabolism (corticotherapy, menopausal hormonal therapy, anti-oestrogen treatment, non-controlled hyperthyroiditis, hyper- and hypothyroiditis)
* bone diseases (Paget'disease, osteomalacia)
* chronic alcoholism

Where this trial is running

Clermont-Ferrand and 6 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Post Menopausal OsteoporosisMother-of-pearlOsteoporosisAgeingNutrition HealthPrevention
Last reviewed 2026-06-10 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.