Colecalciferol as an Add-on Treatment to Interferon-beta-1b for Treatment of Multiple Sclerosis (MS)

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

PHASE4

Total Enrollment

70 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-03-31

Study Completion Date

2011-06-30

Brief Summary

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This is a multi-centre, double blind, randomised, placebo controlled, parallel group, phase 4 pilot study investigating colecalciferol (vitamin D3) as an add-on treatment to subcutaneously administered interferon-beta-1b in relapsing-remitting multiple sclerosis patients.

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Detailed Description

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Conditions

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Multiple Sclerosis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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1

Once weekly treatment with peroral colecalciferol capsules (Dekristol®, Swiss-Caps, Switzerland) containing 20 mg of colecalciferol corresponding to 20000 IU or 0.5 mg of vitamin D

Group Type EXPERIMENTAL

Colecalciferol

Intervention Type DRUG

Once weekly treatment with peroral colecalciferol capsules (Dekristol®, Swiss-Caps, Switzerland) containing 20 mg of colecalciferol corresponding to 20000 IU or 0.5 mg of vitamin D

2

Identically appearing once weekly peroral capsules

Group Type PLACEBO_COMPARATOR

Placebo capsules

Intervention Type DRUG

Identically appearing once weekly peroral placebo capsules

Interventions

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Colecalciferol

Once weekly treatment with peroral colecalciferol capsules (Dekristol®, Swiss-Caps, Switzerland) containing 20 mg of colecalciferol corresponding to 20000 IU or 0.5 mg of vitamin D

Intervention Type DRUG

Placebo capsules

Identically appearing once weekly peroral placebo capsules

Intervention Type DRUG

Other Intervention Names

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Vitamin D

Eligibility Criteria

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Inclusion Criteria

* age 18 to 55 years
* remitting-relapsing multiple sclerosis according to McDonald criteria who fulfill the reimbursement criteria for interferon-beta and have used interferon-beta-1b for at least one month
* EDSS (expanded disability statsu scale) ≤ 5
* no neutralising antibodies to INFB as measured by indirect MxA test
* prepared and considered to follow the protocol
* using appropriate contraceptive methods (women of childbearing potential)
* has given informed consent

Exclusion Criteria

* serum calcium \>2.6 mmol/L
* serum 25(OH)D2 (kalsidiol) \> 85 nmol/L
* presence of primary hyperparathyroidism (serum intact PTH, parathyroid hormone)\>65 ng/L)
* pregnancy or unwillingness to use contraception
* alcohol or drug abuse
* use of glucocorticoid treatment other than intravenous methylprednisolone for treatment of relapses
* current use of other immunomodulatory therapy than interferon-beta-1b
* known allergy to cholecalciferol or arachis oil (peanuts)
* therapy with digitalis, calcitonin or active vitamin D3 analogues during the previous 12 months or multivitamins containing vitamin D during previous two weeks preceding study entry
* any condition predisposing to hypercalcaemia (such as any type of cancer)
* sarcoidosis
* nephrolithiasis or renal insufficiency, serum creatinine above 1.5 times the normal upper reference limit
* significant hypertension (Blood Pressure \<180/110 mmHg)
* hyperthyroidism, or hypothyroidism in the year before the study began
* a history of nephrolithiasis during the previous five years
* cardiac insufficiency or significant cardiac dysrhythmia
* unstable or advanced ischaemic heart disease
* has suffered a major depression

Minimum Eligible Age

18 Years

Maximum Eligible Age

55 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No