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Comparison on absorption rate of food containing calcium in Japanese elderly women

Comparison on absorption rate of food containing calcium in Japanese elderly women - CONFIRM Trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000037219
Enrollment
32
Registered
2019-07-10
Start date
2019-07-15
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Not applicable.

Interventions

Intake of Calcium carbonate (Ca:450mg/day) and unical (Ca:450mg/day)for 4 days each. Intake of calcium carbonate (Ca:450mg/day) and milk (Ca:450mg/day) for 4 days each.

Sponsors

Notre Dame Seishin University, Graduate School of Human Life Sciences
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1) Postmenopausal women aged 60 to 75 years old with written informed consxent 2) Person without chronic constipation or diarrhea

Exclusion criteria

Exclusion criteria: 1) Person with a history of hypersensitivity to milk, calcium carbonate, or unical 2) Person being treated with orthopedic surgery for fractures or bone abnormalities or person who need medication for fractures or bone abnormalities 3) Person with medications that affect calcium absorption for endocrine metabolic diseases 4) Person with difficult stool collection due to digestive disease or resection 5) Person with difficult urin collection due to urinary tract disease 6) Person with difficult to intake regular food due to underlying disease or person treated with diuretics 7) Person participating in other intervention trials 8) Person with acute disease that affects the efficacy or safety of the study 9) Person with hypocalcemia, hypercalcemia, or hypoalbuminemia 10) Person judged to be inappropriate by the investigator

Design outcomes

Primary

MeasureTime frame
The ratios of total calcium excreted in urine and feces to total calcium intake when calcium carbonate, milk and unical are ingested.

Secondary

MeasureTime frame
1) Safety of calcium-containing food, 2) serum calcium level and calcium absorption rate at low calcium diet, 3) correlation between calcium absorption rate and bone metabolism markers, 4) relationship between daily activity and calcium absorption rate

Countries

Japan

Contacts

Public ContactTetsuhiko Yokoyama

AMY information planning Life science

info@amy-med.com090-9348-8687

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026