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Vitamin

Omega-3 + Vitamin D for Type 1 Diabetes (POSEIDON Trial)

Phase 1 & 2
Recruiting
Research Sponsored by Rodolfo Alejandro
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
For established T1D subjects, >180 days and ≤10 years of T1D duration at the time of randomization and MMTT stimulated C-peptide peak level ≥0.2 ng/ml prior to randomization
Subjects or their parents if under 18 years old must be able to understand and provide informed consent
Timeline
Screening 3 weeks
Treatment Varies
Follow Up through study completion, and average of one year
Awards & highlights

POSEIDON Trial Summary

This trial will test if a combination of Omega-3 Fatty Acids and Vitamin D are safe and effective, considering when and how long they are taken.

Who is the study for?
This trial is for males and females aged 6-65 with Type 1 Diabetes (T1D), confirmed by specific autoantibodies, who have had T1D for less than 10 years. Participants must not be on diabetes meds other than insulin, have no acute infections or bleeding disorders, and women of childbearing age must test negative for pregnancy. People with severe allergies to fish/shellfish or a family history of prostate cancer are excluded.Check my eligibility
What is being tested?
The study tests the safety and effectiveness of combining Omega-3 Fatty Acids with Vitamin D in managing Type I Diabetes. It considers how timing and duration affect their synergy. The participants will receive these supplements under controlled conditions to monitor their impact on diabetes management.See study design
What are the potential side effects?
Potential side effects may include increased risk of bleeding due to Omega-3's effect on blood clotting, possible allergic reactions if sensitive to fish/shellfish components in the supplements, and general risks associated with high doses of vitamins such as nausea or kidney stones.

POSEIDON Trial Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
Select...
I have had Type 1 Diabetes for less than 10 years and my C-peptide levels are adequate.
Select...
I (or my parents, if I'm under 18) understand and agree to participate in the study.
Select...
I was diagnosed with type 1 diabetes less than 6 months ago and my C-peptide test shows some insulin production.

POSEIDON Trial Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~through study completion, and average of one year
This trial's timeline: 3 weeks for screening, Varies for treatment, and through study completion, and average of one year for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
MMTT (Mixed Meal Tolerance Test)
Secondary outcome measures
Hemoglobin A1c Level Reduction
Incidence of Adverse Events (AE)
Reduction in Insulin Requirements

POSEIDON Trial Design

2Treatment groups
Active Control
Group I: Omega-3 and Vitamin D CombinationActive Control2 Interventions
The treatment arm A includes Omega-3 Fatty Acids and Cholecalciferol (Vitamin D) supplement.
Group II: Vitamin D OnlyActive Control1 Intervention
The treatment arm B (control group) will receive only Cholecalciferol (Vitamin D) supplement.

Find a Location

Who is running the clinical trial?

Rodolfo AlejandroLead Sponsor
9 Previous Clinical Trials
206 Total Patients Enrolled
Diabetes Research Institute FoundationOTHER
9 Previous Clinical Trials
131 Total Patients Enrolled
Camillo Ricordi, M.D.Study DirectorProfessor and Center Director of Diabetes Research Institute
2 Previous Clinical Trials
40 Total Patients Enrolled

Media Library

Cholecalciferol (Vitamin) Clinical Trial Eligibility Overview. Trial Name: NCT03406897 — Phase 1 & 2
Type 1 Diabetes Research Study Groups: Omega-3 and Vitamin D Combination, Vitamin D Only
Type 1 Diabetes Clinical Trial 2023: Cholecalciferol Highlights & Side Effects. Trial Name: NCT03406897 — Phase 1 & 2
Cholecalciferol (Vitamin) 2023 Treatment Timeline for Medical Study. Trial Name: NCT03406897 — Phase 1 & 2

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

Am I eligible to join this research endeavor?

"This medical study is seeking out 56 individuals between the ages of 6 and 65 that suffer from hypoglycemia. To be eligible, applicants must meet certain conditions: they or their guardians (if under 18) should possess understanding in order to provide informed consent; males and females are equally welcome; those with newly-diagnosed type 1 diabetes should have had it for fewer than 180 days prior to randomization and present a MMTT stimulated C-peptide peak level above 0.2 ng/ml before enrollment; established T1D patients will need more than 180 days but less than 10 years from diagnosis along with the same aforementioned"

Answered by AI

Is this clinical study currently recruiting participants?

"Indeed, clinicaltrials.gov confirms that this medical investigation is actively enrolling participants. Initially posted on July 23rd 2018, the trial was recently updated on August 9th 2022 and is searching for 56 volunteers from one location."

Answered by AI

What medicinal benefits are generally associated with Omega-3 and Vitamin D Combination treatments?

"Omega-3 and Vitamin d Combination can be employed as a treatment for calcium deficiency, fractures, and spine fractures."

Answered by AI

Have any other investigations explored the synergistic effects of Omega-3 and Vitamin D?

"At present, there are 57 research trials examining the potential of Omega-3 and Vitamin d Combination, with 21 already in their concluding phase. In Dallas alone, several clinical studies have been conducted on this combination; however, 191 sites across the world are running similar experiments."

Answered by AI

Is participation in this trial restricted to individuals under the age of 55?

"This research study is seeking participants aged between 6 and 65. For those younger than 6, there are 239 trials available; for seniors older than 65, 977 studies exist."

Answered by AI

How many individuals have enrolled in this experimental research?

"Yes, the clinicaltrials.gov page confirms that this medical trial is presently recruiting participants; it was initially posted on July 23rd 2018 and has been recently updated August 9th 2022. The research requires 56 individuals to be enrolled at a single site."

Answered by AI

Who else is applying?

What state do they live in?
Florida
What site did they apply to?
Diabetes Research Institute, University of Miami Miller School of Medicine
What portion of applicants met pre-screening criteria?
Did not meet criteria
Met criteria
How many prior treatments have patients received?
0
~11 spots leftby Sep 2025