Natural products with immunomodulation and antiviral activity showed a promising improvement in the outcomes of some viral infectious diseases both in preclinical and primitive clinical studies. The aim of this study is to utilize Saudi FDA licensed Nigella sativa (NS) seed oil towards improving disease outcomes in adult patients diagnosed with mild COVID-19. The study will be a prospective, open-label, non-randomized controlled pilot trial. Patients will be supplemented (add-on) with one capsule of black seed oil twice daily for 10 days. The primary outcome will be the proportion of patients who clinically recovered on day 14. The secondary outcomes will be clinical parameters and routine laboratory tests. If encouraging outcomes occurred, NS supplementation may be recommended as an add-on to standard care protocol to enhance the recovery from COVID-19 disease in the current emerging situation.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
183
Nigella sativa oil 500mg softgel capsules in oral twice daily dose for 10 days
King Abdulaziz University Hospital
Jeddah, Saudi Arabia
Percentage of Participants With Clinical Recovery Within 14 Days After Randomization
The Percentage of patients who had clinical recovery within 14 days after randomization (clinical recovery was defined as three days of no symptoms)
Time frame: Day 14
The Number of Days to Recovery
The number of days to recovery (number of symptomatic days)
Time frame: Day 14
Duration of Each Symptom
Duration of each symptom in days
Time frame: Day 14
Side Effects
Side effects from the investigational treatment
Time frame: Day 14
Hospital Admission Due to Disease Complications
High severity of COVID-19 (mild cases does not require hospitalization)
Time frame: Day 14
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