450
Participants
Start Date
April 20, 2020
Primary Completion Date
October 1, 2020
Study Completion Date
December 1, 2020
Melatonin 2mg
2 mg of prolonged release melatonin tablets per os (P.O.) before bedtime for 12 weeks
Placebo oral tablet
Identically looking placebo tablets P.O. before bedtime for 12 weeks
Hospital Universitario La Paz, Madrid
Instituto de Investigación Hospital Universitario La Paz
OTHER