- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03920150
Vitamin D 24'000 IU for Oral Intermittent Supplementation (DO-IT)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Group Control, Alcoholic Drinking Solution: 5 ml of an alcoholic drinking solution with 24'000 IU vitamin D p.o. once a month for 3 months (3 doses).
Group IMP, Capsules: one capsule with 24'000 IU vitamin D p.o. once a month for 3 months (3 doses).
Group IMP + loading dose, Loading Dose: one capsule with 24'000 IU vitamin D p.o. once a week during an individually calculated number of weeks.
All 3 groups: Measurement of vitamin D in serum before therapy and one week after the last dose.
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
-
-
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Basel, Switzerland, 4056
- Pharmaceutical Care Research Group
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- vitamin D deficiency by serum level <50 nmol/l
Exclusion Criteria:
- hypercalcaemia
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Control
5 ml alcoholic solution containing 24'000 IU vitamin D for 3 months
|
Patient will be treated with 3 doses of alcoholic solution for 3 months.
Other Names:
|
Active Comparator: IMP
Vitamin D oily capsules containing 24'000 IU vitamin D for 3 months
|
Patient will be treated with 3 capsules for 3 months.
Patient will be treated with weekly capsules for an individually calculated number of weeks.
|
Active Comparator: IMP + loading dose
Vitamin D oily capsules containing 24'000 IU vitamin D for an individual number of weeks calculated with the formula: 40 x (100 - actual value [nmol/l] x body weight [kg] / 24'000 IU.
|
Patient will be treated with 3 capsules for 3 months.
Patient will be treated with weekly capsules for an individually calculated number of weeks.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Serum level of vitamin D
Time Frame: 3 months of treatment
|
Level of serum vitamin D after 3 month treatment compared to baseline value
|
3 months of treatment
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Serum level of vitamin D after loading dose
Time Frame: up to 4 months of treatment
|
Level of serum vitamin D > 75 nmol/l after an individual number of treatment weeks, calculated with a loading dose formula.
|
up to 4 months of treatment
|
Adverse Drug Reactions
Time Frame: 3 months of treatment
|
Number and severity of adverse drug reactions during treatment
|
3 months of treatment
|
Adherence to medication
Time Frame: 3 months of treatment
|
Taking adherence: (number of doses taken) divided by (number of doses prescribed) x 100.
|
3 months of treatment
|
Collaborators and Investigators
Investigators
- Study Chair: Kurt E Hersberger, Prof, Pharmaceutical Care Research Group
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2019-00987
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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