THE OMEGA-SPM-DOSE and OMEGA-SPM-PAD: Specialized Pro-Resolving Mediators in Patients With Peripheral Artery Disease

Osteoarthritis Clinical Trial

Official title:

THE OMEGA-SPM-DOSE and OMEGA-SPM-PAD: Specialized Pro-Resolving Mediators in Patients With Peripheral Artery Disease

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT02719665
• Other study ID #: 15-17371
• Status: Completed
• Phase: N/A
• Start date: March 2016
• Est. completion date: December 15, 2020

Study information

• Verified date: May 2021
• Source: University of California, San Francisco
• Contact: n/a
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

The purpose of this study is to understand the effects of fish oil supplement (containing parts of omega-3 fatty acids) on inflammation. The investigators are aiming to identify which dose of the fish oil supplement is the most effective. The name of the fish oil supplement is "SPM Emulsion."

Description:

The OMEGA-SPM-DOSE trial and the OMEGA-SPM-PAD trial are two parts of a pilot study which aims to investigate the effect of a novel formulation of a nutritional supplement containing highly concentrated n-3 PUFA metabolites (SPM Emulsion) on the metabolo-lipidomic profile of healthy volunteers and patients with Peripheral Arterial Disease(PAD). Ten healthy volunteers and ten patients with PAD will participate in Part 1a, the "OMEGA-SPM-DOSE Study". A follow-up, placebo controlled, prospective study on the best dosing modality determined in Phase 1a will then take place in a PAD and OA population (n=12), Phase 1b - the "OMEGA-SPM-PAD Study". Specific measurements will include targeted metabolo-lipidomic profiling, established markers of inflammation, and functional monocyte and macrophage assays. The proposed studies have the potential to provide important new insights on the role of nutritional interventions in PAD.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 30
• Est. completion date: December 15, 2020
• Est. primary completion date: December 15, 2020
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: All
• Age group: N/A and older

Eligibility

Inclusion Criteria:

Healthy Volunteers:

-Age 20-80

PAD Patients:

• Mild claudication to rest pain (Rutherford 1-4)

• Resting or exercise ABI < 0.9 or TBI < 0.6

• Age 40 and more

OA Patients:

-Lower extremity (hip or knee) OA

Exclusion Criteria:

PAD, OA Patients and Healthy Volunteers:

• Plan to undergo surgical procedure or PVI for treatment of PAD within one month

• Evidence of active infection

• Hypersensitivity or allergy to fish or seafood

• Already on n-3 PUFA or equivalent

• Chronic liver disease, end-stage renal disease (CKD 5), or chronic inflammatory disorders

• Poorly controlled diabetes (HbA1C > 8%)

• BMI < 20 or >35

• Recent other major surgery or illness within 30 days

• Use of immunosuppressive medications or steroids

• History of organ transplantation

• Pregnancy, or plans to become pregnant, or lactating

Healthy Volunteers:

• hsCRP > 2mg/L

• Regular aspirin use

• Regular non-steroidal anti-inflammatory drug use

Related Conditions & MeSH terms

• Calcinosis
• Claudication
• Claudication, Intermittent
• Intermittent Claudication
• Osteoarthritis
• Peripheral Arterial Disease
• Peripheral Vascular Diseases
• Vascular Calcification
• Vascular Diseases
• Vascular Occlusion

Intervention

Dietary Supplement:
• SPM Emulsion, Dose-modality
Phase 1a Dose-Finding oral SPM administration of increasing dose (15ml, 30ml, and 60ml) by the following schedule: Days 1 to 5: 15 ml; Days 6 to 14: Washout, no SPM administration; Days 15 to 19: 30 ml; Days 20-28: Washout, no SPM administration; Days 29-33: 60 ml
• SPM Softgel, Dose-Modality
Phase 1b Dose-Finding oral softtel SPM administration of two different doses (2 softgel vs 4 softgel) Days 0 to 5: 2 SPM softgel; Days 6 to 21: Washout, no SPM administration; Days 22 to 26: 4 SPM softgel; Days 27-42: Washout, no SPM administration
• Placebo Softgel
Days 43-47: 4 Placebo softgel; Day 48-64 Washout

Locations

Country	Name	City	State
United States	University of California San Francisco	San Francisco	California

Sponsors (1)

Lead Sponsor	Collaborator
University of California, San Francisco

Country where clinical trial is conducted

United States, 

References & Publications (36)

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Grenon SM, Owens CD, Nosova EV, Hughes-Fulford M, Alley HF, Chong K, Perez S, Yen PK, Boscardin J, Hellmann J, Spite M, Conte MS. Short-Term, High-Dose Fish Oil Supplementation Increases the Production of Omega-3 Fatty Acid-Derived Mediators in Patients With Peripheral Artery Disease (the OMEGA-PAD I Trial). J Am Heart Assoc. 2015 Aug 21;4(8):e002034. doi: 10.1161/JAHA.115.002034. — View Citation

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* Note: There are 36 references in all — Click here to view all references

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Optimal Phase 1b Dose	The smallest dose administered in Phase 1a participants which results in an increase in Resolution Index at least 3 times that of baseline, or the subsequent larger dose resulting in a Resolution Index greater than 2 times that of the preceding does with no increase in side effects at the larger dose.	Baseline, Day 33
Primary	Change in the Resolution Index	Integrated metabolo-lipidomics assessment of SPM pathways: Average concentration of 15-HEPE, 18-HEPE, 4-HDHA, and 17-HDHA in plasma.	Baseline, Day 5