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We performed a quasi-experimental open-label pragmatic study alternating standard of care (SOC) and oral bedtime melatonin (OBM) at different high doses over 4 consecutive time periods enrolling all consecutive RT-PCR SARS-CoV-2 severe Covid-19 admissions.
The 4 successive study time periods spanned from March 2020 to April 2021 and included: 1) standard of care (SOC) (C1), 2) SOC + oral bedtime melatonin (OBM) (T1), 3) SOC (C2), and 4) SOC + OBM (T2). During T1, 3 consecutive subgroups received 50 mg, 100 mg and 200 mg OBM. During T2, 100 mg OBM was given. Melatonin was administered from ICU admission to hospital discharge or death.
The main objectives were occurrence of predefined severe adverse events (SAEs), Sequential Organ Failure Assessment (SOFA) scores and day-30 (D30) and 90 (D90) mortality. Study subjects were followed for modified Rankin scale (mRS) at 30 days after the last OBM dose or hospital discharge.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Standard of Care | No Intervention | Standard of care management of severe Covid-19 patients | |
| Oral bedtime melatonin | Experimental | Standard of care with oral bedtime melatonin |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Oral bedtime melatonin | Drug | Different doses of oral bedtime melatonin |
|
| Measure | Description | Time Frame |
|---|---|---|
| Severe adverse events | predefined severe adverse events | From date of inclusion until date of hospital discharge or death |
| Organ dysfunction | Sequential organ failure assessment score | On days 1, 4, 7, 14 and 30 since first dose of melatonin |
| Mortality | From date of inclusión to date of day 30 and day 90 mortality | On days 30 and 90 since first dose of melatonin |
| Measure | Description | Time Frame |
|---|---|---|
| Length of stay | Length of ICU and hospital stay | Date of inclusion until date of ICU and hospital discharge or death |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Jesus Fernandez-Tresguerres, MD.PhD | Universidad Complutense Madrid | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Hospital Clinico San Carlos | Madrid | 28040 | Spain |
Yes, although after publication
After publication
Privision of an analysis plan
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| Type | Date | Date Unknown |
|---|---|---|
| Release | Jun 19, 2023 | |
| Reset | Feb 15, 2024 | |
| Release | May 23, 2024 | |
| Reset | Sep 26, 2024 |
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| Release Date | Unrelease Date | Unrelease Date Unknown | Reset Date | MCP Release Number |
|---|---|---|---|---|
| Jun 19, 2023 | Feb 15, 2024 | |||
| May 23, 2024 |
| ID | Term |
|---|---|
| D000086382 | COVID-19 |
| ID | Term |
|---|---|
| D011024 | Pneumonia, Viral |
| D011014 | Pneumonia |
| D012141 | Respiratory Tract Infections |
| D007239 | Infections |
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| ID | Term |
|---|---|
| D059039 | Standard of Care |
| ID | Term |
|---|---|
| D019984 | Quality Indicators, Health Care |
| D011787 | Quality of Health Care |
| D006298 | Health Services Administration |
| D017530 | Health Care Quality, Access, and Evaluation |
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quasi-experimental
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| Sep 26, 2024 |
| D014777 |
| Virus Diseases |
| D018352 | Coronavirus Infections |
| D003333 | Coronaviridae Infections |
| D030341 | Nidovirales Infections |
| D012327 | RNA Virus Infections |
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |