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The effect of fish oil and flaxseed oil supplements on heart function indices in hemodialysis patients: a double-blind controlled clinical trial.

The effect of fish oil and flaxseed oil supplements on heart function indices in hemodialysis patients: a double-blind controlled clinical trial.

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
IRCT
Registry ID
IRCT20251129068148N1
Enrollment
168
Registered
2025-12-05
Start date
2026-01-05
Completion date
Unknown
Last updated
2025-12-08

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

Conditions

Dialysis patient. Secondary systemic amyloidosis

Interventions

Intervention 1: Intervention group: fish oil. Intervention 2: Intervention group: Flaxseed oil. Intervention 3: Intervention group: Flaxseed oil+ Fish oil. Intervention 4: Control group: Corn oil.

Sponsors

Mashhad University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: • Adults aged 18-65• Ejection fraction (EF) less than 50• Chronic hemodialysis for at least 3 months• No omega-3 supplements (fish oil or flaxseed) for at least 8 weeks• No dietary or medication changes for the past 4 weeks• Stable hyperlipidemia on stable medication for the past 3 months• Willingness to cooperate with study procedures

Exclusion criteria

Exclusion criteria: • Severe liver failure and/or other active systemic diseases such as: rheumatoid arthritis• Known cardiac arrhythmia such as permanent or paroxysmal atrial fibrillation• Use of nonsteroidal anti-inflammatory drugs (NSAIDs) or corticosteroids• Allergy or sensitivity to the contents of supplements (e.g., fish oil capsules or flaxseed)• Pregnant or lactating women• Life expectancy less than 3 months• History of organ transplantation• Presence of severe uncontrolled dyslipidemia (e.g., triglycerides > 400 or LDL > 190 mg/dL)• Recent change in lipid medication (within the last 3 months)• Regular intake of fish oil or flaxseed in the diet within the last 6 months

Design outcomes

Primary

MeasureTime frame
Echocardiographic indices:• LVEF-LVH-Lvmass- Diastolic function_E_A_E/e_Lv Sm- RV Size- TAPSE- RV Sm• LVOT VTl-PAP- IVC Size& collapsbility. Timepoint: The effect of fish oil and flaxseed oil supplementation on cardiac function indices in hemodialysis patients before and after the start of the intervention. Method of measurement: Cardiac echo.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactFatemeh Sadat Hashemi Javaheri

Mashhad University of Medical Sciences

fatemeh.hjavaheri76@gmail.com+98 51 3608 2257

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026