Table 2.

Current clinical trials related to the combinational therapy with minerals in COVID-19 patients

Minerals	NCT number	Study title	Phase	Age	Status*
Selenium	NCT04877509	Micronutrient status involved in immunity in elderly patients with COVID-19 (MicroCovAging)	NA	50 years and older	Completed
Zinc	NCT04370782	Hydroxychloroquine and zinc with either azithromycin or doxycycline for treatment of COVID-19 in outpatient setting	4	30 years and older	Completed
	NCT04377646	A study of hydroxychloroquine and zinc in the prevention of COVID-19 infection in military healthcare workers	3	18–65 years	Not yet recruiting
	NCT04446104	A preventive treatment for migrant workers at high-risk of COVID-19	3	21–60 years	Completed
	NCT04447534	Zinc with chloroquine/hydroxychloroquine in treatment of COVID-19	3	18 years and older	Recruiting

*Please refer to http://clinicaltrials.gov for more details