How well women with postmenopausal osteoporosis stick to bisphosphonates plus calcium and vitamin D

Observational, Cross-sectional, Multicenter Study to Evaluate Adherence to Different Treatment Regimens With Oral Bisphosphonates and Calcium and Vitamin D Supplements in Postmenopausal Osteoporosis.

Observational Procare Health Iberia S.L. · NCT07105163

This project will see how well postmenopausal women taking monthly or weekly oral bisphosphonates together with daily calcium and vitamin D keep taking their medicines using one clinic visit and three short questionnaires.

Quick facts

Study typeObservational
Enrollment480 (estimated)
SexFemale
SponsorProcare Health Iberia S.L. Industry-sponsored
Locations21 sites (Santiago de Compostela, A coruña and 20 other locations)
Trial IDNCT07105163 on ClinicalTrials.gov

What this trial studies

This is an observational one-visit study in which participants attend a routine follow-up appointment and provide information from their medical history. During that visit investigators will administer three questionnaires that ask how and how often patients take their bisphosphonate and daily calcium/vitamin D supplements, about missed doses, and satisfaction with current treatment. Eligible participants are postmenopausal women who have been prescribed oral monthly or weekly bisphosphonates plus daily calcium/vitamin D for at least six months. No experimental treatments are given and data are collected purely by interview and chart review.

Who should consider this trial

Good fit: Postmenopausal women with a diagnosis of osteoporosis who have been on oral monthly or weekly bisphosphonates plus daily calcium and vitamin D for at least six months and can provide informed consent.

Not a fit: Women not taking oral monthly/weekly bisphosphonates with daily calcium/vitamin D, those on IV bisphosphonates, or those on therapy for less than six months are unlikely to get direct benefit from this study.

Why it matters

Potential benefit: If the findings identify common barriers to taking medicine, clinics could use that information to support patients and reduce fracture risk.

How similar studies have performed: Previous observational studies have repeatedly shown suboptimal long-term adherence to bisphosphonates and supplements, so this approach is common and builds on established findings.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. \- Women diagnosed with postmenopausal OP.
2. \- Women who had been prescribed oral treatment with a BP administered monthly or weekly together with a Ca/D supplement (sachets or chewable tablets) administered daily, at least 6 months prior to inclusion in the study.
3. \- Women who had given their written informed consent before participating in the study.

Exclusion Criteria:

None

Where this trial is running

Santiago de Compostela, A coruña and 20 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 OsteoporosisProcarePost menopausal osteoporosisBisphosphonatecalciumvitamin Dsupplement
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.