NCT05787808

Brief Summary

The aim is to compare the daily intake of Calsium (Ca) + vitamin D with and without daily optimal efficacy dose (OED) of Jarlsberg on Bone Mineral Density (BMD) and bone markers (BM) to Osteopeni patients (OP).

  • The study population consists of OP-patients of post-menopausal women and men above 55 years of age. OP patients are defined as patients with a T-score below 0.0, but larger than -2.5.
  • The study will be performed as a randomized, single-blinded Norwegian multicentre trial with stratified semi-cross-over design with gender and site as stratification factors. The OP-patients included in the study will be allocated to one of the two treatment groups by block randomization with random block size between 2 and 6.
  • Women in post-menopausal age have a daily OED Jarlsberg of 45 gram and men in the same age interval have a daily OED of 55 gram.
  • The main response variable will be the change in Bone Mineral Density (BMD),total Osteocalcin (tOC) and different bone markers (BM).
  • Participants, who fulfil the inclusion criteria, do not meet any of the exclusion criteria and willing to give informed consent to participate will be included and receiving 40µg vitamin D and 500 mg Ca tablets per day, but asked not to eat Jarlsberg cheese the following week. During this week demographic data, bloodsampling for measurement of Osteocalcin and BM and diet registration will be performed.In the clinical study, all the included patients will continue with Ca+ vitamin D, but half of the patient will additionally receive daily OED of Jarlsberg cheese. After 16 weeks, all the patients will receive both Ca+vitamin D and OED of Jarlsberg for addionally 16 weeks. The total duration of the study will be 32 weeks for the patients initially allocated to Jarlsberg and 48 weeks for those allocated only to Ca+vitamin D. The patients will be investigated initially and every 16 weeks.
  • A total of 30 patients will be included in each of the two groups.

Trial Health

57
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
60

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started May 2023

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 15, 2023

Completed
13 days until next milestone

First Posted

Study publicly available on registry

March 28, 2023

Completed
1 month until next milestone

Study Start

First participant enrolled

May 2, 2023

Completed
2.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 15, 2025

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

October 20, 2025

Completed
Last Updated

September 29, 2025

Status Verified

September 1, 2025

Enrollment Period

2.4 years

First QC Date

March 15, 2023

Last Update Submit

September 23, 2025

Conditions

Outcome Measures

Primary Outcomes (4)

  • Bone Mineral Density

    g/cm2

    Week 0

  • Bone Mineral Density

    g/cm2

    Week 16

  • Bone Mineral Density

    g/cm2

    Week 32

  • Bone Mineral Density

    g/cm2

    Week 48

Secondary Outcomes (24)

  • Osteocalcin

    week 0

  • Osteocalcin

    week 4

  • Osteocalcin

    week 16

  • Osteocalcin

    week 20

  • Osteocalcin

    week 32

  • +19 more secondary outcomes

Other Outcomes (10)

  • Vitamin K2

    Week 0

  • Vitamin K2

    Week 16

  • Vitamin K2

    Week 32

  • +7 more other outcomes

Study Arms (2)

Treatment 1

ACTIVE COMPARATOR

1000 mg Calcium tablets + 20µg vitamin D and optimal efficacy dose of Jarlsberg cheese

Dietary Supplement: Calsium, Vitamin D, Jarlsberg cheese

Treatment 2

ACTIVE COMPARATOR

1000 mg Calcium tablets + 20µg vitamin D

Dietary Supplement: Calsium, Vitamin D, Jarlsberg cheese

Interventions

Oral

Treatment 1Treatment 2

Eligibility Criteria

Age55 Years - 85 Years
Sexall(Gender-based eligibility)
Gender Eligibility DetailsPost menopausal women
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Osteopeni patients (OP) of both genders above 55 years of age. OPs are defined as patients with T-score below 0.0 but larger than -2.5.

You may not qualify if:

  • Eating disorder
  • Known gastrointestinal disorder.
  • Abnormal liver or kidney function.
  • Diabetes mellitus type I.
  • Diabetes type II without sufficient control.
  • Suffering from verified cancer.
  • Under systemic treatment with corticosteroids or other immunosuppressive drugs the last 3 weeks before start of the trial treatment.
  • Under active antiresorptive treatment or anabolic treatment.
  • Participating in another clinical trial with pharmaceuticals the last six weeks before start of this trial treatment.
  • Known milk product allergy.
  • Not able to understand information.
  • Do not want or not able to give written consent to participate in the study.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Meddoc

Skjetten, Akershus, 2013, Norway

RECRUITING

MeSH Terms

Conditions

Bone Diseases, MetabolicOsteoporosis

Interventions

Vitamin D

Condition Hierarchy (Ancestors)

Bone DiseasesMusculoskeletal DiseasesMetabolic DiseasesNutritional and Metabolic Diseases

Intervention Hierarchy (Ancestors)

SecosteroidsSteroidsFused-Ring CompoundsPolycyclic Compounds

Study Officials

  • Anne C Whist, PhD

    Tine

    STUDY DIRECTOR

Central Study Contacts

Stig E Larsen, PhD

CONTACT

Helge E Lundberg, MD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Masking Details
Masking is not posible in this study
Purpose
PREVENTION
Intervention Model
PARALLEL
Model Details: The patients are randomised (1:1) into to parallel groups and followed up in 16 weeks. All the patients are switched to the same treatment for the following 16 weeks
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor Emeritus

Study Record Dates

First Submitted

March 15, 2023

First Posted

March 28, 2023

Study Start

May 2, 2023

Primary Completion

September 15, 2025

Study Completion

October 20, 2025

Last Updated

September 29, 2025

Record last verified: 2025-09

Data Sharing

IPD Sharing
Will not share

Locations