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10.3390/v13020309

http://scihub22266oqcxt.onion/10.3390/v13020309
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33669276!7920028!33669276
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suck abstract from ncbi


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pmid33669276      Viruses 2021 ; 13 (2): ä
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  • Safety and Outcomes Associated with the Pharmacological Inhibition of the Kinin-Kallikrein System in Severe COVID-19 #MMPMID33669276
  • Mansour E; Palma AC; Ulaf RG; Ribeiro LC; Bernardes AF; Nunes TA; Agrela MV; Bombassaro B; Monfort-Pires M; Camargo RL; Araujo EP; Brunetti NS; Farias AS; Falcao ALE; Santos TM; Trabasso P; Dertkigil RP; Dertkigil SS; Moretti ML; Velloso LA
  • Viruses 2021[Feb]; 13 (2): ä PMID33669276show ga
  • Background: Coronavirus disease 19 (COVID-19) can develop into a severe respiratory syndrome that results in up to 40% mortality. Acute lung inflammatory edema is a major pathological finding in autopsies explaining O(2) diffusion failure and hypoxemia. Only dexamethasone has been shown to reduce mortality in severe cases, further supporting a role for inflammation in disease severity. SARS-CoV-2 enters cells employing angiotensin-converting enzyme 2 (ACE2) as a receptor, which is highly expressed in lung alveolar cells. ACE2 is one of the components of the cellular machinery that inactivates the potent inflammatory agent bradykinin, and SARS-CoV-2 infection could interfere with the catalytic activity of ACE2, leading to the accumulation of bradykinin. Methods: In this case control study, we tested two pharmacological inhibitors of the kinin-kallikrein system that are currently approved for the treatment of hereditary angioedema, icatibant, and inhibitor of C1 esterase/kallikrein, in a group of 30 patients with severe COVID-19. Results: Neither icatibant nor inhibitor of C1 esterase/kallikrein resulted in changes in time to clinical improvement. However, both compounds were safe and promoted the significant improvement of lung computed tomography scores and increased blood eosinophils, which are indicators of disease recovery. Conclusions: In this small cohort, we found evidence for safety and a beneficial role of pharmacological inhibition of the kinin-kallikrein system in two markers that indicate improved disease recovery.
  • |*COVID-19 Drug Treatment[MESH]
  • |Adult[MESH]
  • |Aged[MESH]
  • |Bradykinin/*analogs & derivatives/therapeutic use[MESH]
  • |Case-Control Studies[MESH]
  • |Complement C1 Inhibitor Protein/*therapeutic use[MESH]
  • |Drug Repositioning[MESH]
  • |Female[MESH]
  • |Humans[MESH]
  • |Kallikrein-Kinin System/*drug effects[MESH]
  • |Kallikreins/*antagonists & inhibitors[MESH]
  • |Lung/drug effects/pathology[MESH]
  • |Male[MESH]


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