NCT03336125

Brief Summary

The purpose of the project is to investigate whether an intervention program with vitamin D supplementation is able to improve the biology of stress resilience as well as subjective well-being in individuals with antisocial behavior problems (forensic inpatients).

Trial Health

87
On Track

Trial Health Score

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

Enrollment
86

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Nov 2017

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

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

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

October 26, 2017

Completed
13 days until next milestone

First Posted

Study publicly available on registry

November 8, 2017

Completed
9 days until next milestone

Study Start

First participant enrolled

November 17, 2017

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 22, 2018

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 22, 2018

Completed
Last Updated

June 28, 2019

Status Verified

June 1, 2019

Enrollment Period

6 months

First QC Date

October 26, 2017

Last Update Submit

June 26, 2019

Conditions

Outcome Measures

Primary Outcomes (11)

  • Change in vitamin D level in blood from pre-test (baseline) to post-test (after 4 months)

    Measured from blood sample

    Time for blood sample: about 10-15 minutes (at both pre and post test)

  • Change in serotonin from pre-test (baseline) to post-test (after 4 months)

    Measured form blood sample

    Time for blood sample: about 10-15 minutes (at both pre and post test)

  • Change in total cholesterol from pre-test (baseline) to post-test (after 4 months)

    Measured from blood sample

    Time for blood sample: about 10-15 minutes (at both pre and post test)

  • Change in lipoproteins from pre-test (baseline) to post-test (after 4 months)

    Measured from blood sample

    Time for blood sample: about 10-15 minutes (at both pre and post test)

  • Change in triglycerides from pre-test (baseline) to post-test (after 4 months)

    Measured from blood sample

    Time for blood sample: about 10-15 minutes (at both pre and post-test)

  • Change in cortisol from pre-test (baseline) to post-test (after 4 months)

    Saliva

    7 samples over 24 hours (at both pre and post-test)

  • Change in performance on working memory tasks (N-back) from pre-test (baseline) to post-test (after 4 months)

    Computerized cognitive task

    About 8-10 minutes (at both pre and post-test)

  • Change in performance on Tower of Hanoi Task from pre-test (baseline) to post-test (after 4 months)

    Computerized cognitive task

    About 10-15 minutes (at bot pre and post-test)

  • Change in performance on Tower of London Task from pre-test (baseline) to post-test (after 4 months)

    Computerized cognitive task

    About 10-15 minutes (at both pre and post test)

  • Change in performance on Iowa Gambling Task from pre-test (baseline) to post-test (after 4 months)

    Computerized cognitive task

    About 15-20 minutes (at both pre and post test)

  • Change in heart rate variability from pre-test (baseline) to post-test (after 4 months)

    5 minutes of baseline, during the cognitive testing (up to 60 minutes) and 5 minutes of recovery (at both pre and post test)

Secondary Outcomes (7)

  • Change in sleep from pre-test (baseline) to post-test (after 4 months)

    One week before intervention and one week after intervention (i.e., pre and post-test)

  • Change on Epworth Sleepiness Scale from pre-test (baseline) to post-test (after 4 months)

    About 5-10 minutes (at both pre and post-test)

  • Houston Non-Exercise Questionnaire

    The physical activity log will be filled out weekly over the course of the study period (i.e., 24 -28 weeks) and estimated time per week is 10 minutes.

  • Change in self-reported state and trait anxiety (STAI questionnaire) from pre-test (baseline) to post-test (after 4 months)

    About 10 minutes (at both pre and post-test)

  • Change in self-reported resilience (Connor-Davidson Resilience Scale 25) from pre-test (baseline) to post-test (after 4 months)

    About 5 minutes (at both pre and post-test)

  • +2 more secondary outcomes

Other Outcomes (3)

  • Childhood Trauma Questionnaire

    About 10 minutes (only at pre-test)

  • Iodine (test 1)

    About 2-3 minutes

  • Iodine (test 2)

    About 2-3 minutes

Study Arms (2)

Vitamin D group

EXPERIMENTAL

Intervention is vitamin D supplement

Dietary Supplement: Vitamin D

Control group

PLACEBO COMPARATOR

Placebo capsule contains olive oil

Dietary Supplement: Placebo

Interventions

Vitamin DDIETARY_SUPPLEMENT

Vitamin D (40µg/day) will be compared with placebo

Vitamin D group
PlaceboDIETARY_SUPPLEMENT

120 mg olive oil

Control group

Eligibility Criteria

Age18 Years+
Sexmale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patients with intelligence quotient \> 70 will be invited.

You may not qualify if:

  • Patients with intelligence quotient \<70 will be excluded.
  • Patients already taking vitamin D.
  • Patients with psychotic disorders.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Sand Ridge Secure Treatment Center

Mauston, Wisconsin, 53948, United States

Location

MeSH Terms

Interventions

Vitamin D

Intervention Hierarchy (Ancestors)

SecosteroidsSteroidsFused-Ring CompoundsPolycyclic Compounds

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Masking Details
Double blind
Purpose
SUPPORTIVE CARE
Intervention Model
PARALLEL
Model Details: Pre and post-test design
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

October 26, 2017

First Posted

November 8, 2017

Study Start

November 17, 2017

Primary Completion

May 22, 2018

Study Completion

May 22, 2018

Last Updated

June 28, 2019

Record last verified: 2019-06

Locations