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1.
PLoS One ; 15(12): e0244708, 2020.
Article in English | MEDLINE | ID: covidwho-999851

ABSTRACT

BACKGROUND: Retrospective studies on the use of Renin-Angiotensin-Aldosterone System blockade in patients with Coronavirus Disease 2019 (COVID-19) have been informative but conflicting, and prospective studies are required to demonstrate the safety, tolerability, and outcomes of initiating these agents in hospitalized patients with COVID-19 and hypertension. METHODS AND FINDINGS: This is a single center feasibility study encompassing two cohorts: (1) prospective cohort (April 21, 2020 to May 29, 2020) and (2) retrospective cohort (March 7, 2020 to April 1, 2020) of hospitalized patients with real-time polymerase chain reaction (PCR) positive SARS-CoV-2 by nasopharyngeal swab. Key inclusion criteria include BP > 130/80 and a requirement of supplemental oxygen with FiO2 of 25% or higher to maintain SpO2 > 92%. Key exclusion criteria included hyperkalemia and acute kidney injury (AKI) at the time of enrollment. Prospective cohort consisted of de novo initiation of losartan and continuation for a minimum of 7 days and assessed for adverse events (AKI, hyperkalemia, transaminitis, hypotension) and clinical outcomes (change in SpO2/FiO2 and inflammatory markers, need for ICU admission and mechanical ventilation). Retrospective cohort consisted of continuation of losartan (prior-to-hospitalization) and assessment of similar outcomes. In the prospective cohort, a total of 250 hospitalized patients were screened and inclusion/exclusion criteria were met in 16/250 patients and in the retrospective cohort, a total of 317 hospitalized patients were screened and inclusion/exclusion criteria were met in 14/317 patients. Most common adverse event was hypotension, leading to discontinuation in 3/16 (19%) and 2/14 (14%) patients in the prospective and retrospective cohort. No patients developed AKI in the prospective cohort as compared to 1/14 (7%) patients in the retrospective cohort, requiring discontinuation of losartan. Hyperkalemia occurred in 1/16 (6%) and 0/14 patients in the prospective and retrospective cohorts, respectively. In the prospective cohort, 3/16 (19%) and 2/16 (13%) patients required ICU admission and mechanical ventilation. In comparison, 3/14 (21%) required ICU admission and mechanical ventilation in the retrospective cohort. A majority of patients in both cohorts (14/16 (88%) and 13/14 (93%) patients from the prospective and retrospective cohort) were discharged alive from the hospital. A total of 9/16 (prospective) and 5/14 (retrospective) patients completed a minimum 7 days of losartan. In these 9 patients in the prospective cohort, a significant improvement in SpO2/FiO2 ratio was observed from day 1 to 7. No significant changes in inflammatory markers (initiation, peak, and day 7) were observed in either cohort. CONCLUSION: In this pilot study we demonstrate that losartan was well-tolerated among hospitalized patients with COVID-19 and hypertension. We also demonstrate the feasibility of patient recruitment and the appropriate parameters to assess the outcomes and safety of losartan initiation or continuation, which provides a framework for future randomized clinical trials.


Subject(s)
Angiotensin II Type 1 Receptor Blockers/therapeutic use , COVID-19/pathology , Hypertension/drug therapy , Losartan/therapeutic use , Aged , Angiotensin II Type 1 Receptor Blockers/adverse effects , Blood Pressure/drug effects , Female , Humans , Losartan/adverse effects , Male , Middle Aged , Pilot Projects , Prospective Studies , Retrospective Studies , SARS-CoV-2
2.
Drug Discov Ther ; 14(2): 105-106, 2020 May 06.
Article in English | MEDLINE | ID: covidwho-15169

ABSTRACT

Based on some publications that associate SARS-CoV-2 infection with the use of anti-hypertensive drug groups such as angiotensin-converting-enzyme inhibitors (e.g. enalapril) or angiotensin II receptor blockers (e.g. losartan), many patients from South America, Central America or Spain, have stopped or intend to interrupt their treatments with these drugs. Hence, it may exist ominous consequences due to this drop out. For this reason, it is necessary to quickly warn about this situation and the risks associated with it.


Subject(s)
Antihypertensive Agents/adverse effects , Coronavirus Infections/complications , Hypertension/complications , Pneumonia, Viral/complications , Angiotensin Receptor Antagonists/adverse effects , Angiotensin-Converting Enzyme 2 , Angiotensin-Converting Enzyme Inhibitors/adverse effects , Betacoronavirus/physiology , COVID-19 , Enalapril/adverse effects , Humans , Hypertension/drug therapy , Losartan/adverse effects , Pandemics , Peptidyl-Dipeptidase A , SARS-CoV-2 , Virus Internalization
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