NCT07391254

Brief Summary

This randomized, placebo-controlled double blinded study examined whether placebo, low- or high dose omega 3 fatty acid supplementation had associations with mental health symptoms and vitamin D status in college students aged 18-27.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
103

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Aug 2024

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

Study Start

First participant enrolled

August 29, 2024

Completed
1.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 12, 2025

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 12, 2025

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

January 29, 2026

Completed
7 days until next milestone

First Posted

Study publicly available on registry

February 5, 2026

Completed
Last Updated

March 10, 2026

Status Verified

March 1, 2026

Enrollment Period

1.3 years

First QC Date

January 29, 2026

Last Update Submit

March 7, 2026

Conditions

Keywords

omega-3Fish oilmooddepressionanxietymental healthvitamin Dcollege studentsyoung adults

Outcome Measures

Primary Outcomes (2)

  • Anxiety

    GAD-7 (Summed 0-21 with higher scores indicating more anxiety)

    Baseline to end of intervention (90 days)

  • Depression Symptoms

    PHQ-9 (Summed for a score of 0-27, the higher the score the more depression)

    Baseline to end of intervention (90 days)

Secondary Outcomes (2)

  • Vitamin D

    Baseline to end of intervention (90 days)

  • Medical Symptom Burden

    Baseline to end of intervention (90 days)

Study Arms (3)

PLacebo

PLACEBO COMPARATOR

Participants received placebo capsules daily for the duration of the study

Dietary Supplement: Placebo

Low dose Omega 3

EXPERIMENTAL

Participants received 700 mg/day of omega 3

Dietary Supplement: Low dose Omega 3

High dose omega 3

EXPERIMENTAL

Participants received 2150 mg/day of omega 3 fatty acids

Dietary Supplement: High dose Omega 3

Interventions

PlaceboDIETARY_SUPPLEMENT

Placebo

PLacebo
Low dose Omega 3DIETARY_SUPPLEMENT

700 mg/day omega 3 fatty acids

Low dose Omega 3
High dose Omega 3DIETARY_SUPPLEMENT

2150 mg/day omega 3 fatty acids

High dose omega 3

Eligibility Criteria

Age18 Years - 27 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • age 18-27 years
  • if taking antidepressants or enrolled in therapy, needs to be stable with at least 6 months or more of stable medication dose use and regular therapy appointments

You may not qualify if:

  • age younger than 18 and older than 27
  • not willing to take two capsules daily for 90 days
  • not willing to get bloodwork
  • has a history of fainting during bloodwork
  • not willing to have anthropometrics measured
  • not willing to have daily text reminders sent to phone
  • currently has regularly taken omega 3 daily for at least 6 months
  • currently has regularly taken vitamin D supplementation daily for at least 6 months
  • allergic or sensitive to fish
  • will not like to deal with potential "fish burps"
  • utilized mental health services for less than 6 months
  • taken an antidepressant for less than 6 months
  • currently actively takes benzodiazepines
  • currently actively takes sedatives or tranquilizers
  • Currently is taking steroid supplements
  • +5 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Colorado Colorado Springs

Colorado Springs, Colorado, 80918, United States

Location

MeSH Terms

Conditions

Psychological Well-BeingDepressionAnxiety Disorders

Interventions

Docosahexaenoic Acids

Condition Hierarchy (Ancestors)

Personal SatisfactionBehaviorBehavioral SymptomsMental Disorders

Intervention Hierarchy (Ancestors)

Fatty Acids, Omega-3Dietary Fats, UnsaturatedDietary FatsFatsLipidsFatty Acids, UnsaturatedFatty AcidsFish OilsOils

Study Officials

  • Margaret M Harris, PhD MS HC

    University of Colorado, Colorado Springs

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
The coordinators recruiting and measuring
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate Professor

Study Record Dates

First Submitted

January 29, 2026

First Posted

February 5, 2026

Study Start

August 29, 2024

Primary Completion

December 12, 2025

Study Completion

December 12, 2025

Last Updated

March 10, 2026

Record last verified: 2026-03

Data Sharing

IPD Sharing
Will share

De-identified dataset, along with the study protocol, statistical analysis plan, informed consent document, and clinical study report, will be made available to qualified researched upon reasonable request. Data will be provided for purposes of research synthesis, including systematic reviews and meta- analyses, following investigator approval and execution of a data use agreement. All shared materials will be de-identified and limited to variables necessary to address the approved research question.

Shared Documents
STUDY PROTOCOL, SAP, ICF, CSR
Time Frame
After publication of primary results and within 3 years of that publication.
Access Criteria
Access to de-identified individual participant data will be provided to qualified researchers for the purpose of inclusion in systematic reviews and meta-analyses. Requests must be addressed to the main and backup contacts (Dr Harris and Dr Hutchins) via email (and will be reviewed by the research team). Requests must include a brief research proposal, statistical analysis plan, and evidence of IRB approval or exemption, as applicable. Approved requests will receive the de-identified data and supporting documents via a secure electronic transfer following execution of a data use agreement.

Locations