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Pumpkin Seed Oil as a Nutraceutical for Hemodialysis Patients

13. juli 2026 opdateret af: Mohammed Mahmood Mohammed, Al-Mustansiriyah University

Potential Role of Pumpkin Seed Oil as a Nutraceutical on the Clinical and Biochemical Outcomes in Hemodialysis Patients

Patients with end-stage renal disease (ESRD) on maintenance hemodialysis experience chronic systemic inflammation, oxidative stress, and dyslipidemia, which together drive much of the excess cardiovascular morbidity and mortality seen in this population. Pumpkin seed oil is a nutraceutical rich in polyunsaturated fatty acids, phytosterols,and tocopherols, with documented antioxidant, anti-inflammatory, and antihyperlipidemic properties in preclinical and limited clinical studies. This study investigates the potential role of pumpkin seed oil as a nutraceutical on the clinical and biochemical outcomes of hemodialysis patients. It is a randomized, open-label, prospective interventional study in which daily oral supplementation with pumpkin seed oil (1000 mg once daily) for 3 months is evaluated against usual care. Eighty-five participants will be assigned to either an intervention group (n=45, pumpkin seed oil 1000 mg/day plus usual care) or a control group (n=40, usual care only). The biochemical outcomes assessed are changes in serum interleukin-6 (IL-6), high-sensitivity C-reactive protein (hsCRP), soluble vascular cell adhesion molecule-1 (sVCAM-1), lipid profile, malondialdehyde (MDA), and superoxide dismutase (SOD) from baseline to the end of the 3-month follow-up period. The study is being conducted at the Hemodialysis Center, Al-Karama Teaching Hospital, Iraq

Studieoversigt

Status

Rekruttering

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

Chronic systemic inflammation is a cornerstone of hemodialysis pathophysiology, driven by uremic toxin retention, oxidative stress, endotoxemia, and repeated exposure to bioincompatible dialysis membranes, which activate NF-κB and STAT signaling and sustain elevated IL-6 and CRP. These biomarkers are independent predictors of cardiovascular and all-cause mortality, and contribute to the malnutrition-inflammation complex syndrome (MICS) that affects a substantial proportion of dialysis patients. sVCAM-1 acts as a mechanistic bridge between the uremic milieu and accelerated atherosclerosis, mediating monocyte adhesion to the arterial intima and serving as an independent predictor of cardiovascular mortality in this population.

No pharmacological agent is currently routinely or universally prescribed to specifically target inflammation in hemodialysis patients; existing options (e.g., anti-IL-6 agents, statins, pentoxifylline, nutraceuticals such as curcumin, omega-3 fatty acids, and vitamin E) show variable biomarker reductions but have not been widely incorporated into standard practice. Pumpkin seed oil has shown anti-inflammatory and antioxidant effects in animal and in vitro studies, including suppression of IL-1β, IL-6, TNF-α, and COX-2, with effects in some models comparable to NSAIDs. Vitamin E, a major constituent of pumpkin seed oil, has separately been shown to reduce circulating sVCAM-1 in hemodialysis patients via suppression of oxidative stress. However, to the investigators' knowledge, no prior human study has directly examined the impact of pumpkin seed oil on IL-6 and CRP in hemodialysis patients, and no study has investigated its effect on sVCAM-1 specifically in this population.

This study addresses that gap by evaluating the effect of 1000 mg/day oral pumpkin seed oil for 3 months, in addition to usual hemodialysis care, on inflammatory (IL-6, hsCRP, sVCAM-1), oxidative stress (MDA, SOD), and lipid biomarkers, compared with a usual-care control group, in patients with ESRD on maintenance hemodialysis at the Hemodialysis Center, Al-Karama Teaching Hospital, Iraq.

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

100

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Studiesteder

  • Irak
    • Karkh
      • Baghdad, Karkh, Irak, 10064

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

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Ingen

Beskrivelse

Inclusion Criteria:

  • End-stage renal disease (ESRD) on hemodialysis for more than 6 months, on a constant dialysis program.
  • Hemodynamically stable (no recent hospitalization for infections, cardiovascular events, or major surgery within the past 3 months).
  • No active acute infections.
  • Serum albumin ≥ 3.0 g/dL.

Exclusion Criteria:

  • Regular intake of dietary supplements (e.g., omega-3, antioxidants) for at least one month prior to enrollment.
  • Autoimmune disease, liver disease, cancer, or acquired immunodeficiency syndrome (AIDS).
  • Known sensitivity/allergy to pumpkin seed oil.
  • Current use of lipid-lowering agents.
  • Diabetes mellitus.
  • Current use of anticoagulants (warfarin, direct oral anticoagulants).
  • Current use of immunosuppressants, corticosteroids, or anti-inflammatory drugs.
  • Pregnant or breastfeeding women.
  • Residual kidney function (urine output > 200 mL/day).

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Pumpkin Seed Oil + Usual Care
Participants receive pumpkin seed oil 1000 mg orally once daily for 3 consecutive months, in addition to their standard hemodialysis usual care.
Kosttilskud: Pumpkin Seed Oil 1000 mg
Pumpkin seed oil, 1000 mg, oral capsule/tablet, once daily (taken on dialysis days after the dialysis session), for 3 months, added to the standard hemodialysis care protocol.
Procedure: Standard hemodialysis care
Standard hemodialysis care per center protocol, with no additional study supplement.
Aktiv komparator: Usual Care (Control)
Participants =continue routine hemodialysis usual care only, without pumpkin seed oil or placebo.
Procedure: Standard hemodialysis care
Standard hemodialysis care per center protocol, with no additional study supplement.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Serum Interleukin-6 (IL-6) level
Tidsramme: Baseline and 3 months
Change in serum Interleukin-6 (IL-6) level
Baseline and 3 months
Serum high-sensitivity C-reactive protein (hsCRP) level
Tidsramme: Baseline and 3 months
Change in high-sensitivity C-reactive protein (hsCRP) level
Baseline and 3 months
Serum soluble vascular cell adhesion molecule-1 (sVCAM-1) level
Tidsramme: Baseline and 3 months
Change in soluble vascular cell adhesion molecule-1 (sVCAM-1) level
Baseline and 3 months
Serum lipid profile (total cholesterol, LDL-C, HDL-C, triglycerides) levels
Tidsramme: Baseline and 3 months
Change in lipid profile (total cholesterol, LDL-C, HDL-C, triglycerides) level
Baseline and 3 months
Serum malondialdehyde (MDA) level
Tidsramme: Baseline and 3 months
Change in malondialdehyde (MDA) level
Baseline and 3 months
Serum superoxide dismutase (SOD) activity
Tidsramme: Baseline and 3 months
Change in superoxide dismutase (SOD) activity
Baseline and 3 months

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Al-Mustansiriyah University

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

20. juli 2026

Primær færdiggørelse (Anslået)

1. april 2027

Studieafslutning (Anslået)

1. april 2027

Datoer for studieregistrering

Først indsendt

13. juli 2026

Først indsendt, der opfyldte QC-kriterier

13. juli 2026

Først opslået (Faktiske)

17. juli 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

17. juli 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

13. juli 2026

Sidst verificeret

1. juli 2026

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • SOP117

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Kliniske forsøg med Betændelse

Kliniske forsøg med Pumpkin Seed Oil 1000 mg

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