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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04758039
Other study ID # OAIC N° 1119/20
Secondary ID
Status Completed
Phase
First received
Last updated
Start date March 13, 2020
Est. completion date July 10, 2020

Study information

Verified date February 2021
Source University of Chile
Contact n/a
Is FDA regulated No
Health authority
Study type Observational [Patient Registry]

Clinical Trial Summary

The investigators planned to examine a cohort of admitted patients at University of Chile Clinical Hospital with COVID-19 diagnosis. Authors report data on mortality, ICU admission, need of invasive mechanical ventilation, awake and ventilated prone positioning, use of High Flow Nasal Cannula, Thromboembolic disease, Acute Kidney Injury (AKI) and Renal Replacement Therapy. Additionally, the risk of in-hospital death according to chronic disease burden and severity of illness at admission was assessed.


Description:

This is a prospective cohort study of adult inpatients at University of Chile Clinical Hospital, located in Santiago, Chile. We enrolled all patients aged over 18 years detected with COVID-19 admitted to the emergency department between March 1-June 11, 2020 through prospective identification using daily admission records. Briefly, COVID-19 diagnosis was made when patients had clinical findings of acute respiratory illness together with i) a positive result on reverse transcriptase chain reaction polymerase (RT-PCR) assay performed on a nasopharyngeal swab; and/or ii) chest computed tomography (CT) with typical findings of COVID-19 and absence of an alternative diagnosis. We intended to include all admitted patients during the first 100 days of the pandemic; therefore, no sample size calculation was performed. We excluded patients with length of stay less than 24 hours, nosocomial SARS-CoV-2 infection, and asymptomatic patients admitted for causes unrelated to SARS-CoV-2 infection regardless of their admission RT-PCR result. All data were prospectively recorded for each included patient at admission and then daily until the end of the follow-up. Records were consulted by trained physicians, using a standardized data collection form, and then checked by a team of four physicians. Data discrepancy was agreed between the same clinicians. Recorded data included demographic characteristics, comorbidities, disease onset time, associated symptoms, vital signs at the emergency department, laboratory test performed within 24 hours after admission, characteristics of the first chest CT, medication and supportive care provided, and length of stay at the hospital. The use of antibiotics, antiviral therapy, corticosteroids, advanced oxygen delivery techniques, need for invasive mechanical ventilation (IMV), awake and ventilated prone position, use of vasopressor drugs, and need for renal replacement therapy (RRT) were explicitly recorded. Clinical management and use of these therapies were based on national recommendations from scientific societies and local protocols. Outcome collection and assignment are explained below. Laboratory confirmation of SARS-CoV-2 infection was made using RT-PCR of nasopharyngeal swabs. All laboratory, microbiologic, and radiologic assessments were performed at the discretion of the treating physicians who were encouraged to follow local clinical guidelines. Film-array on the nasopharyngeal swab was performed for viral co-infection assessment, and urinary antigens. (pneumococcal and legionella) and blood cultures were performed for bacterial co-infection assessment. Chest radiographs and CT were also performed for all inpatients by experienced radiologists and classified as COVID-19-unrelated, typical or atypical pattern, and unspecified.


Recruitment information / eligibility

Status Completed
Enrollment 395
Est. completion date July 10, 2020
Est. primary completion date July 10, 2020
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Patients over 18 years - Diagnosis of COVID-19 defined by clinical findings of acute respiratory illness (as per WHO guidelines) together with i) a positive result on reverse transcriptase chain reaction polymerase (RT-PCR) assay performed on a nasopharyngeal swab; and/or ii) chest computed tomography (CT) with typical findings of COVID-19 and absence of an alternative diagnosis Exclusion Criteria: - Length of hospital stay less than 24 hours - Nosocomial SARS-CoV-2 infection - Asymptomatic patients admitted for causes not related to coronavirus infection regardless their admission RT-PCR result

Study Design


Related Conditions & MeSH terms


Locations

Country Name City State
Chile Hospital Clinico de la Universidad de Chile Santiago Región Metropolitana

Sponsors (1)

Lead Sponsor Collaborator
University of Chile

Country where clinical trial is conducted

Chile, 

Outcome

Type Measure Description Time frame Safety issue
Primary In hospital Mortality Death while hospitalized March 13th to July 10th 2020
Secondary Admission to an intensive care unit (ICU) Admission to an intensive care unit (ICU) March 13th to July 10th 2020
Secondary Use of invasive mechanical ventilation (IMV) Days from admission and length of IMV March 13th to July 10th 2020
Secondary Presence of thromboembolic disease (deep vein thrombosis, pulmonary embolism or both) Described as a positive US exploration of the arms or legs, and a positive CT Scan March 13th to July 10th 2020
Secondary Acute kidney injury (AKI) AKI, as per defined by the Kidney Disease Improving Global Outcomes (KDIGO) initiative March 13th to July 10th 2020
Secondary Renal replacement therapy (RRT). Days from admission and length of RRT March 13th to July 10th 2020
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