Aerosolized 13 cis retinoic acid

Investigating the Role of 13cis Retinoic Acid in the Treatment of COVID-19 and Enhancement of Its Spike Protein Based Vaccine Efficacy and Safety.

Aerosol Combination Therapy of All-trans Retinoic Acid and Isotretinoin as A Novel Treatment for Inducing Neutralizing Antibodies in COVID -19 Infected Patients Better Than Vaccine : An Innovative Treatment

Assessment the Activity Value of Isotretinoin (13- Cis-Retinoic Acid ) in the Treatment of COVID-19 ( Isotretinoin in Treatment of COVID-19) (Randomized)