Trial Outcomes & Findings for Impact of Vitamin A Supplementation on Immune System in Multiple Sclerosis Patients (NCT NCT01225289)

NCT ID: NCT01225289

Last Updated: 2014-03-14

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

36 participants

Primary outcome timeframe

first day and after 6 month

Results posted on

2014-03-14

Participant Flow

Participant milestones

Participant milestones
Measure
With Multiple Sclerosis/ Vitamin A
Patients with MS confirmed Relapsing Remitting Type who receive 25000 IU/day vitamin A
With Multiple Sclerosis/ Placebo
Patients with Multiple Sclerosis confirmed Relapsing Remitting Type who receive 1 cap of placebo/day
Overall Study
STARTED
18
18
Overall Study
COMPLETED
18
17
Overall Study
NOT COMPLETED
0
1

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Impact of Vitamin A Supplementation on Immune System in Multiple Sclerosis Patients

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
With Multiple Sclerosis/ Vitamin A
n=18 Participants
Patients with MS confirmed Relapsing Remitting Type who receive 25000 IU/day vitamin A
With Multiple Sclerosis/ Placebo
n=17 Participants
Patients with Multiple Sclerosis confirmed Relapsing Remitting Type who receive 1 cap of placebo/day
Total
n=35 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
18 Participants
n=5 Participants
17 Participants
n=7 Participants
35 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Continuous
33.22 years
STANDARD_DEVIATION 7.26 • n=5 Participants
31.05 years
STANDARD_DEVIATION 5.94 • n=7 Participants
32.17 years
STANDARD_DEVIATION 6.64 • n=5 Participants
Sex: Female, Male
Female
13 Participants
n=5 Participants
13 Participants
n=7 Participants
26 Participants
n=5 Participants
Sex: Female, Male
Male
5 Participants
n=5 Participants
4 Participants
n=7 Participants
9 Participants
n=5 Participants
Region of Enrollment
Iran, Islamic Republic of
18 participants
n=5 Participants
17 participants
n=7 Participants
35 participants
n=5 Participants

PRIMARY outcome

Timeframe: first day and after 6 month

Outcome measures

Outcome measures
Measure
With Multiple Sclerosis/ Vitamin A
n=18 Participants
Patients with MS confirmed Relapsing Remitting Type who receive 25000 IU/day vitamin A
With Multiple Sclerosis/ Placebo
n=17 Participants
Patients with Multiple Sclerosis confirmed Relapsing Remitting Type who receive 1 cap of placebo/day
Difference Serum Levels of High-sensitive C-reactive Protein (Hs-CRP), Before and After of Supplementation
1.2 mg/L
Standard Error 0.5
-0.6 mg/L
Standard Error 0.4

SECONDARY outcome

Timeframe: first day and after 6 month

Outcome measures

Outcome measures
Measure
With Multiple Sclerosis/ Vitamin A
n=18 Participants
Patients with MS confirmed Relapsing Remitting Type who receive 25000 IU/day vitamin A
With Multiple Sclerosis/ Placebo
n=17 Participants
Patients with Multiple Sclerosis confirmed Relapsing Remitting Type who receive 1 cap of placebo/day
Difference of IL-4 Levels in Supernatant of Peripheral Blood Mononucleated Cells (PBMCs) Stimulated With Phytohemagglutinin (PHA), Before and After of Supplementation
2.5 pg/ml
Standard Error 1.2
1.5 pg/ml
Standard Error 1

SECONDARY outcome

Timeframe: first day and after 6 month

Outcome measures

Outcome measures
Measure
With Multiple Sclerosis/ Vitamin A
n=18 Participants
Patients with MS confirmed Relapsing Remitting Type who receive 25000 IU/day vitamin A
With Multiple Sclerosis/ Placebo
n=17 Participants
Patients with Multiple Sclerosis confirmed Relapsing Remitting Type who receive 1 cap of placebo/day
Difference of Retinol Binding Protein (RBP) / Transthyretin (TTR) Ratio, (Difference of RBP/ TTR Ratio), Before and After of Supplementation
0.2 ratio
Standard Error 0.2
-0.4 ratio
Standard Error 0.5

SECONDARY outcome

Timeframe: first day and after 6 month

difference of PBMCs proliferation stimulated with myelin oligodendrocyte glycoprotein (MOG), before and after of supplementation

Outcome measures

Outcome measures
Measure
With Multiple Sclerosis/ Vitamin A
n=18 Participants
Patients with MS confirmed Relapsing Remitting Type who receive 25000 IU/day vitamin A
With Multiple Sclerosis/ Placebo
n=17 Participants
Patients with Multiple Sclerosis confirmed Relapsing Remitting Type who receive 1 cap of placebo/day
Peripheral Blood Mononucleated Cells (PBMCs) Proliferation Assay (BrdU Colorimetric)
-0.06 absorbance units
Standard Error 0.08
-0.13 absorbance units
Standard Error 0.09

Adverse Events

With Multiple Sclerosis/ Vitamin A

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

With Multiple Sclerosis/ Placebo

Serious events: 0 serious events
Other events: 1 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
With Multiple Sclerosis/ Vitamin A
n=18 participants at risk
Patients with MS confirmed Relapsing Remitting Type who receive 25000 IU/day vitamin A
With Multiple Sclerosis/ Placebo
n=17 participants at risk
Patients with Multiple Sclerosis confirmed Relapsing Remitting Type who receive 1 cap of placebo/day
Nervous system disorders
MS relapsing
0.00%
0/18
5.9%
1/17 • Number of events 1

Additional Information

The Study of the Effects of Vitamin A Supplementation on Immune System and Th1/Th2 Balance in Patien

Tehran University of Medical Sciences

Phone: +98 912 2182815

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place