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Evaluating the effects of pine bark extract supplementation in postmenopausal osteopenic women

Evaluating the effects of pine bark extract supplementation on the bone turnover, as well as the possible mechanisms OPG/RANKL signaling in postmenopausal osteopenic women

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
IRCT
Registry ID
IRCT2015071123153N1
Enrollment
44
Registered
2017-07-21
Start date
2017-09-23
Completion date
Unknown
Last updated
2018-02-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Osteopenia. Postmenopausal osteoporosis

Interventions

Intervention 1: Intervention group: Daily intake of 5 Oligopin capsules for 12 weeks (2 with breakfast, 2 with lunch, 1 with dinner) (Each capsule contains 50 mg of French pine bark extract). Interven
Treatment - Drugs
Placebo
Intervention group: Daily intake of 5 Oligopin capsules for 12 weeks (2 with breakfast, 2 with lunch, 1 with dinner) (Each capsule contains 50 mg of French pine bark extract)
Control group: Daily intake of 5 capsules containing water for 12 weeks (2 with breakfast, 2 with lunch, 1 with dinner) (quite similar to pine bark extract capsule)

Sponsors

Tehran University of Medical Sciences, Vice Chancellor of Research, International Campus
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
50 Years to 65 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: Postmenopausal women; Age: between 50-65 years; With a diagnosis of osteopenia. Osteopenia was defined as bone mineral density T-score at the spine and/or hip between 1 to 2.5 SD below the young normal ex-matched areal BMD of the reference database (According to the WHO); Normal function of thyroid, liver, and kidney. Exclusion criteria: Report of fractures during the study; unwilling to continue participate in the project; Any visible side effects of supplements; The history of bone disease (Paget's disease, osteomalacia, etc.); History of chronic diseases, including cancer, diabetes, kidney failure, liver disease, systemic inflammatory disease, degenerative joint diseases and rheumatologic disorders;

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

MeasureTime frame
Procollagen type I N-terminal propeptide (PINP). Timepoint: Before the intervention and immediately after the intervention. Method of measurement: ELISA.;Cross-Linked Carboxy-Terminal Telopeptide of Type I Collagen. Timepoint: Before the intervention and immediately after the intervention. Method of measurement: ELISA.;Bone alkaline phosphatase (BAP). Timepoint: Before the intervention and immediately after the intervention. Method of measurement: ELISA.;Receptor activator of nuclear factor kappa-B ligand (RANKL). Timepoint: Before the intervention and immediately after the intervention. Method of measurement: ELISA.;Osteoprotegerin (OPG). Timepoint: Before the intervention and immediately after the intervention. Method of measurement: ELISA.

Secondary

MeasureTime frame
Weight. Timepoint: Before the intervention and immediately after the intervention. Method of measurement: digital scale.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactSeyed Bahman Panahande

Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of

panahande.b@gmail.com+98 21 8895 5975

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026