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Vitamin D Supplementation for Bipolar Depression

Randomized Double-Blind Placebo-Controlled Pilot Study of Vitamin D Supplementation for the Treatment of Bipolar Depression

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01884844
Enrollment
33
Registered
2013-06-24
Start date
2013-06-30
Completion date
2015-08-31
Last updated
2018-06-19

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

Conditions

Bipolar Depression, Bipolar Disorder

Brief summary

The purpose of this study is to whether vitamin d supplementation in those with low levels may reduce depression symptoms in people experiencing bipolar depression.

Interventions

Sponsors

University of Massachusetts, Worcester
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

* Adults \>18years old * Bipolar disorder (I,II or NOS), * MADRS Score\>7 (mild), * 25(OH)D level \<30ng/ml (insufficient). * able to take the prescribed vitamin D by mouth

Exclusion criteria

Systemic diseases such as: * liver and kidney diseases, * known parathyroid disorder, * disorders of vitamin D metabolism, * taking vitamin D replacement therapy, * fat digestion disorder, * diabetes mellitus, * gi surgery * If the serum calcium in the range 2.50-2.55 mmol L, inclusion required a serum PTH below 5.0 pmol L-acute psychiatric urgency: * active suicidality, * acute psychosis, * active substance use\<6mo or * pregnant or nursing females

Design outcomes

Primary

MeasureTime frameDescription
Change in Montgomery-Åsberg Depression Rating Scalebaseline and at 12 week completionMontgomery-Åsberg Depression Rating Scale Higher MADRS score indicates more severe depression, and each item yields a score of 0 to 6. The overall score ranges from 0 to 60. The questionnaire includes questions on the following symptoms 1. Apparent sadness 2. Reported sadness 3. Inner tension 4. Reduced sleep 5. Reduced appetite 6. Concentration difficulties 7. Lassitude 8. Inability to feel 9. Pessimistic thoughts 10. Suicidal thoughts Usual cutoff points are: 0 to 6 - normal/symptom absent 7 to 19 - mild depression 20 to 34 - moderate depression \>34 - severe depression.

Countries

United States

Participant flow

Participants by arm

ArmCount
Vitamin D3
Vitamin D3, Cholecalciferol, 5000IU po qday for 12 weeks Vitamin D3, Cholecalciferol
16
Placebo
methylcellulose po qday for 12weeks Placebo
17
Total33

Baseline characteristics

CharacteristicPlaceboTotalVitamin D3
Age, Categorical
<=18 years
0 Participants0 Participants0 Participants
Age, Categorical
>=65 years
0 Participants0 Participants0 Participants
Age, Categorical
Between 18 and 65 years
17 Participants33 Participants16 Participants
Age, Continuous43.3 years
STANDARD_DEVIATION 12.9
44.2 years
STANDARD_DEVIATION 13.1
45.2 years
STANDARD_DEVIATION 13.3
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
0 Participants1 Participants1 Participants
Race (NIH/OMB)
Black or African American
1 Participants1 Participants0 Participants
Race (NIH/OMB)
More than one race
1 Participants1 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Race (NIH/OMB)
White
15 Participants30 Participants15 Participants
Region of Enrollment
United States
17 participants33 participants16 participants
Sex: Female, Male
Female
10 Participants16 Participants6 Participants
Sex: Female, Male
Male
7 Participants17 Participants10 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
10 / 169 / 17
serious
Total, serious adverse events
0 / 160 / 17

Outcome results

Primary

Change in Montgomery-Åsberg Depression Rating Scale

Montgomery-Åsberg Depression Rating Scale Higher MADRS score indicates more severe depression, and each item yields a score of 0 to 6. The overall score ranges from 0 to 60. The questionnaire includes questions on the following symptoms 1. Apparent sadness 2. Reported sadness 3. Inner tension 4. Reduced sleep 5. Reduced appetite 6. Concentration difficulties 7. Lassitude 8. Inability to feel 9. Pessimistic thoughts 10. Suicidal thoughts Usual cutoff points are: 0 to 6 - normal/symptom absent 7 to 19 - mild depression 20 to 34 - moderate depression \>34 - severe depression.

Time frame: baseline and at 12 week completion

Population: Comparison of bimonthly scale measurements (MADRS, between treatment groups over time were done fitting individual Generalized Linear Models (GLMs) using the initial baseline measurement as an adjustment. Significance was fixed at 0.05%. SPSS v. 23 used

ArmMeasureValue (MEAN)
Vitamin D3Change in Montgomery-Åsberg Depression Rating Scale9.4 units on a scale
PlaceboChange in Montgomery-Åsberg Depression Rating Scale6.4 units on a scale
p-value: 0.89Fisher Exact

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026