Status:

COMPLETED

Study to Investigate the Health Benefits of a Quercetin/Curcumin-Based Supplement for Mild to Moderate Long COVID-19 Symptoms

Lead Sponsor:

Liaquat University of Medical & Health Sciences

Conditions:

Long COVID

Eligibility:

All Genders

18-75 years

Phase:

NA

Brief Summary

This pragmatic clinical study aims to evaluate the efficacy and tolerance of a combined quercetin/curcumin supplement in adults experiencing mild to moderate symptoms of Long COVID-19. Participants wi...

Detailed Description

Long COVID-19, characterized by persistent symptoms lasting weeks or months after the acute phase of SARS-CoV-2 infection, presents a significant challenge for healthcare systems and affected individu...

Eligibility Criteria

Inclusion

  • Age: 18 to 75 years.
  • History of confirmed COVID-19 infection at least 6 months prior to the enrollment.
  • Persistent mild to moderate COVID-19 symptoms for at least 3 months post-acute infection.
  • Diagnosis of Long COVID-19 based on WHO criteria.
  • Symptom burden score of ≥25 at baseline (V0) on the COVID-19 Yorkshire Rehabilitation Scale (C19-YRS).
  • At least one symptom scoring between 1-7 on the C19-YRS.
  • Stable medical condition: No recent hospitalization (past 3 months) due to acute illness.
  • Willing and able to adhere to the study protocol, including follow-up visits, symptom reporting, and compliance with supplementation

Exclusion

  • Hypersensitivity or allergy to quercetin, curcumin, or any component of the supplement (Nasafytol®).
  • Severe, uncontrolled chronic illness (e.g., severe heart failure, chronic kidney disease requiring dialysis, severe liver disease).
  • Regular use of quercetin or curcumin supplements within the last 3 months.
  • Use of anticoagulants (e.g., warfarin, heparin, DOACs) due to potential anticoagulant effects of quercetin/curcumin.
  • Acute illness at the time of screening.
  • Pregnancy or breastfeeding.
  • Use of immunosuppressive medications or corticosteroids within the past month.
  • Significant psychiatric disorder that may interfere with study compliance.

Key Trial Info

Start Date :

July 22 2025

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

December 14 2025

Estimated Enrollment :

15 Patients enrolled

Trial Details

Trial ID

NCT06974058

Start Date

July 22 2025

End Date

December 14 2025

Last Update

December 19 2025

Active Locations (1)

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Liaquat University of Medical & Health Sciences (LUMHS)

Jamshoro, Sindh, Pakistan, 76090