COVID-FIS: Pilot in COVID-19 (SARS-CoV-2) of Fisetin in Older Adults in Nursing Homes

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Mayo Clinic

Status and phase

Active, not recruiting
Phase 2


SARS-CoV Infection


Drug: Placebo
Drug: Fisetin

Study type


Funder types



1R01AG072301-01 (U.S. NIH Grant/Contract)

Details and patient eligibility


The purpose of this study is to test whether Fisetin, a senolytic drug, can assist in preventing an increase in the disease's progression and alleviate complications of coronavirus due to an excessive inflammatory reaction.

Full description

This study is a pilot, randomized, placebo-controlled, single-center study of Fisetin in elderly nursing home participants with non-, mildly-, or moderately-symptomatic and confirmed SARS-CoV-2 infection.


20 patients




65+ years old


No Healthy Volunteers

Inclusion criteria

1. Men or post-menopausal women age ≥65 years. 2. Current nursing home resident. 3. CoV severity of moderate or less OR SpO2 ≥ 85% (on room air or ≤ 2 L of supplemental oxygen at time of enrollment. 4. SARS-CoV-2 infection confirmed by PCR test at Mayo Clinic or other CLIA certified laboratory within 10 days before randomization. 5. Willing and able to provide written informed consent or have a legally authorized representative (LAR) who will provide informed consent.

Exclusion criteria

1. Presence of any condition that the Investigator or the subject's attending physician, physician's assistant, or nurse-practitioner believes would put the subject at risk or would preclude the patient from successfully completing the trial. 2. Pregnancy (note that only post-menopausal women will be enrolled). 3. Total bilirubin \>3X upper limit of normal or as per clinical judgment. 4. Serum aspartate transaminase (AST) or alanine aminotransferase (ALT) \>4x the upper limits of normal or as per clinical judgment. 5. Hemoglobin \<7 g/dL; white blood cell count ≤2,000/mm3 (≤2.0 x 109/L) or ≥25,000/mm3 (≥25 x 109/L); platelet count ≤ 40,000/μL (≤40 x 109/L); absolute neutrophil count ≤1 x 109/L; lymphocyte count \<0.3 x 109/L at screening or as per clinical judgment. 6. Unstable (as per clinical judgment) major cardiovascular, renal, endocrine, immunological, or hepatic disorder. 7. eGFR \<25 ml/ min/ 1.73 m2 or as per clinical judgment. 8. Plasma and/or serum glucose \>300 or as per clinical judgment. 9. Human immunodeficiency virus infection. 10. Known active hepatitis B or C infection. 11. Invasive fungal infection. 12. Uncontrolled (as per clinical judgment) pleural/pericardial effusions or ascites. 13. New/active invasive cancer except non-melanoma skin cancers as per clinical judgment. 14. Known condition associated with major immunodeficiency as per clinical judgment. 15. Known hypersensitivity or allergy to Fisetin. 16. Subjects taking any of the medications listed in Protocol Appendix 1 may participate if they are otherwise eligible AND the medication can be safely held during the following times: * Immediately before the 1st IP administration (Day 0) until at least 10 hours after the 2nd IP administration (Day 1) * Immediately before the 3rd IP administration (Day 8) until at least 10 hours after the 4th IP administration (Day 9) 17. Participation in other clinical trials involving treatment for COVID-19. Note that institutional standard of care treatment of COVID-19 including glucocorticoids, hydroxychloroquine, azithromycin, remdesivir, anti-spike antibodies, and/or convalescent plasma are not excluded from the study. 18. History of diverticulitis or diverticulosis with GI bleeding, as per clinical judgment.

Trial design

Primary purpose




Interventional model

Parallel Assignment


Double Blind

20 participants in 2 patient groups, including a placebo group

Treatment Group
Experimental group
Subjects will receive treatment drug (Fisetin)
Drug: Fisetin
Placebo Group
Placebo Comparator group
Subjects will receive placebo
Drug: Placebo

Trial contacts and locations



Data sourced from

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