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INFECTIOUS COMPLICATIONS AFTER TOCILIZUMAB IN PATIENTS WITH COVID: A REAL-WORLD EXPERIENCE
Chest ; 162(4):A432-A433, 2022.
Article in English | EMBASE | ID: covidwho-2060596
ABSTRACT
SESSION TITLE COVID-19 Other Considerations in Management SESSION TYPE Original Investigations PRESENTED ON 10/18/2022 0245 pm - 0345 pm

PURPOSE:

Since its emergence in December 2019, severe acute respiratory syndrome coronavirus 2 (SARS-COV-2) has spread across the world, claiming millions of lives. With the publication of RECOVERY trial and REMAP-CAP trial, tocilizumab is recommended as additional therapy in select COVID populations by various professional societies. Although not observed initially in several randomized trials, concerns regarding serious secondary infections have been raised. Hereby, we seek to describe the epidemiology of infectious complications after tocilizumab in COVID patients admitted to a tertiary community hospital and to determine related risk factors for infections.

METHODS:

A retrospective cohort study was conducted among COVID patients requiring noninvasive or invasive ventilation who received tocilizumab at our hospital between June 2020 to December 2021. We define infectious complications as positive culture grown on a specimen that was also treated with antibiotics by the primary team. Baseline demographics and laboratory values are obtained through electronic medical records. Continuous outcomes are analyzed with parametric and non-parametric testing. Categorical variables are analyzed using the Chi-Square test. Risk factors are identified through Probit regression analysis and stepwise analysis. Statistics are performed using SPSS and STATA.

RESULTS:

52 patients are identified with a median age of 63 and 46.2% female sex. Median hospital admission time since COVID diagnosis is 2 days and median tocilizumab administered time is 6.5 days. Common comorbidities include hypertension (63.5%), hyperlipidemia (50%) and diabetes (44.2%). Infectious complications are documented in 30 patients (57.7%), with 29 episodes of pneumonia, 7 episodes of urinary tract infection, and 4 episodes of bacteremia. Common organisms include MSSA (21%), Pseudomonas aeruginosa (19%), Klebsiella species (13%) and MRSA (5%). There are 9 cases of multidrug-resistant bacterial infection and 3 episodes of invasive fungal infection (1 Candidemia and 2 invasive aspergilloses). 22 patients (43.3%) died in the hospital before discharge with a median alive time after tocilizumab of 16.5 days. Hyperglycemia on admission (defined as a random glucose >200 mg/dl), hypertension and antibiotic use before tocilizumab are independent risk factors associated with infectious complications during regression analysis. Age >65 is the single most significant factor associated with death in the hospital.

CONCLUSIONS:

In real-world experience, infectious complications are not uncommon in COVID patients who receive tocilizumab. Our analyses show that potential risk factors for developing infections include a history of hypertension, hyperglycemia on admission and antibiotic use before tocilizumab. CLINICAL IMPLICATIONS More rigorous criteria in patient selection and patient monitoring should be explored in future trials involving tocilizumab in COVID patients. DISCLOSURES No relevant relationships by Zauraiz Anjum No relevant relationships by Ming-Yan Chow No relevant relationships by Ahmed Elkhapery No relevant relationships by Hafsa Faisal No relevant relationships by Lakshmi G Nair No relevant relationships by Charoo Iyer No relevant relationships by Hongli Liu No relevant relationships by Chengu Niu No relevant relationships by Kaiwen Zhu
Keywords

Full text: Available Collection: Databases of international organizations Database: EMBASE Type of study: Cohort study / Experimental Studies / Observational study / Prognostic study / Randomized controlled trials Language: English Journal: Chest Year: 2022 Document Type: Article

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Full text: Available Collection: Databases of international organizations Database: EMBASE Type of study: Cohort study / Experimental Studies / Observational study / Prognostic study / Randomized controlled trials Language: English Journal: Chest Year: 2022 Document Type: Article