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1.
J Infect Dis ; 226(10): 1683-1687, 2022 Nov 11.
Article in English | MEDLINE | ID: covidwho-2117632

ABSTRACT

The effectiveness of bebtelovimab in real-world settings has not been assessed. In this retrospective cohort study of 3607 high-risk patients, bebtelovimab was used more commonly than nirmatrelvir-ritonavir for treatment of coronavirus disease 2019 (COVID-19) among older patients, immunosuppressed patients, and those with multiple comorbid conditions. Despite its use in patients with multiple comorbid conditions, the rate of progression to severe disease after bebtelovimab (1.4% [95% confidence interval, 1.2%-1.7%]) was not significantly different from that for nirmatrelvir-ritonavir treatment (1.2% [.8%-1.5%]). Our findings support the emergency use authorization of bebtelovimab for treatment of COVID-19 during the Omicron epoch dominated by BA.2 and subvariants.


Subject(s)
COVID-19 Drug Treatment , SARS-CoV-2 , Humans , Ritonavir/therapeutic use , Retrospective Studies
2.
Open Forum Infect Dis ; 9(10): ofac411, 2022 Oct.
Article in English | MEDLINE | ID: covidwho-2062946

ABSTRACT

Background: Antispike monoclonal antibodies are recommended for early treatment of high-risk persons with mild to moderate coronavirus disease 2019 (COVID-19). However, clinical outcomes of their use during the severe acute respiratory syndrome coronavirus 2 Omicron wave are limited. Methods: This is a descriptive retrospective study of high-risk adult patients who received treatment with sotrovimab (January 1-March 20, 2022) or bebtelovimab (March 21-April 30, 2022). The primary outcome was the proportion of patients who progressed to severe outcome within 30 days after receiving antispike-neutralizing monoclonal antibody infusion. Results: A total of 3872 high-risk patients (median age, 62.7 years; 41.1% male) with mild to moderate COVID-19 received sotrovimab (n = 2182) or bebtelovimab (n = 1690). Among sotrovimab-treated patients, the most common comorbidities were an immunosuppressed condition (46.7%), hypertension (38.2%), and diabetes (21.2%). The rates of severe outcome, intensive care unit (ICU) admission, and mortality were 2.2%, 1.0%, and 0.4%, respectively, after sotrovimab infusion. Among bebtelovimab-treated patients, the most common comorbidities were hypertension (42.7%), diabetes (17.1%), and an immunosuppressed condition (17.0%). The rates of severe disease, ICU admission, and mortality were 1.3%, 0.5%, and 0.2%, respectively, after bebtelovimab infusion. Older age, immunosuppressed status, and several comorbidities were associated with severe disease progression, while COVID-19 vaccination was associated with lower risk. No anaphylaxis was reported during monoclonal antibody infusion. Conclusions: This real-world analysis of a large cohort of high-risk patients demonstrates low rates of severe disease after treatment with sotrovimab during the era dominated by Omicron B.1.1.529 and after treatment with bebtelovimab during the era dominated by BA.2 and Omicron subvariants.

3.
J Patient Exp ; 9: 23743735221105673, 2022.
Article in English | MEDLINE | ID: covidwho-1910237

ABSTRACT

Anti-spike monoclonal antibodies emerged as effective early treatment of high-risk individuals with mild-to-moderate COVID-19. Although their clinical and safety outcomes have been reported, patient perspectives of these experimental therapies have not been evaluated. In this survey participated by 644/2412 (26.7% response) individuals evaluated for anti-spike monoclonal antibody therapies, the majority of 523 patients who received the antibody infusion were very satisfied with their overall patient experience, the quality of care provided, and various aspects of medical care. They voiced satisfaction with the communication with providers before and during treatment, including education provided about monoclonal antibody treatment, the potential benefits and adverse effects, detailed instructions on the process of infusion, and safety protocols employed at the infusion facilities. Nearly a quarter (23.6%) of 121 patients who declined therapy indicated they would accept treatment should it be offered again. These patient perspectives may be used to guide healthcare facilities and providers in optimizing the care provided to high-risk outpatients with COVID-19.

4.
J Clin Invest ; 131(19)2021 10 01.
Article in English | MEDLINE | ID: covidwho-1448085

ABSTRACT

BACKGROUNDClinical data to support the use of bamlanivimab for the treatment of outpatients with mild to moderate coronavirus disease-19 (COVID-19) are needed.METHODS2335 Patients who received single-dose bamlanivimab infusion between November 12, 2020, and February 17, 2021, were compared with a propensity-matched control of 2335 untreated patients with mild to moderate COVID-19 at Mayo Clinic facilities across 4 states. The primary outcome was the rate of hospitalization at days 14, 21, and 28.RESULTSThe median age of the population was 63 years; 47.3% of the bamlanivimab-treated cohort were 65 years or more; 49.3% were female and 50.7% were male. High-risk characteristics included hypertension (54.2%), BMI greater than or equal to 35 (32.4%), diabetes mellitus (26.5%), chronic lung disease (25.1%), malignancy (16.6%), and renal disease (14.5%). Patients who received bamlanivimab had lower all-cause hospitalization rates at days 14 (1.5% vs. 3.5%; risk ratio [RR], 0.41), 21 (1.9% vs. 3.9%; RR, 0.49), and 28 (2.5% vs. 3.9%; RR, 0.63). Secondary exploratory outcomes included lower intensive care unit (ICU) admission rates at days 14 (0.14% vs. 1%; RR, 0.14), 21 (0.25% vs.1%; RR, 0.25), and 28 (0.56% vs.1.1%; RR. 0.51) and lower all-cause mortality at days 14 (0% vs. 0.33%), 21 (0.05% vs. 0.4%; RR,0.13), and 28 (0.11% vs. 0.44%; RR, 0.26). Adverse events were uncommon with bamlanivimab, occurring in 19 of 2355 patients, and were most commonly fever (n = 6), nausea (n = 5), and lightheadedness (n = 3).CONCLUSIONSAmong high-risk patients with mild to moderate COVID-19, treatment with bamlanivimab was associated with a statistically significant lower rate of hospitalization, ICU admission, and mortality compared with usual care.FUNDINGMayo Clinic.


Subject(s)
Antibodies, Monoclonal, Humanized/administration & dosage , COVID-19 Drug Treatment , COVID-19 , Hospitalization , SARS-CoV-2/metabolism , Administration, Intravenous , Adult , Aged , Antibodies, Monoclonal, Humanized/adverse effects , COVID-19/metabolism , COVID-19/mortality , Disease-Free Survival , Female , Humans , Intensive Care Units , Male , Middle Aged , Risk Factors , Survival Rate
5.
J Infect Dis ; 224(8): 1278-1286, 2021 10 28.
Article in English | MEDLINE | ID: covidwho-1316825

ABSTRACT

BACKGROUND: Bamlanivimab and casirivimab-imdevimab are authorized for treatment of mild to moderate coronavirus disease 2019 (COVID-19) in high-risk patients. We compared the outcomes of patients who received these therapies to identify factors associated with hospitalization and other clinical outcomes. METHODS: Adult patients who received monoclonal antibody from 19 November 2020 to 11 February 2021 were selected and divided into those who received bamlanivimab (n = 2747) and casirivimab-imdevimab (n = 849). The 28-day all-cause and COVID-19-related hospitalizations were compared between the groups. RESULTS: The population included 3596 patients; the median age was 62 years, and 50% were female. All had ≥1 medical comorbidity; 55% had multiple comorbidities. All-cause and COVID-19-related hospitalization rates at 28 days were 3.98% and 2.56%, respectively. After adjusting for medical comorbidities, there was no significant difference in all-cause and COVID-19-related hospitalization rates between bamlanivimab and casirivimab-imdevimab (adjusted hazard ratios [95% confidence interval], 1.4 [.9-2.2] and 1.6 [.8-2.7], respectively). Chronic kidney, respiratory and cardiovascular diseases, and immunocompromised status were associated with higher likelihood of hospitalization. CONCLUSIONS: This observational study on the use of bamlanivimab and casirivimab-imdevimab in high-risk patients showed similarly low rates of hospitalization. The number and type of medical comorbidities are associated with hospitalizations after monoclonal antibody treatment.


Subject(s)
Antibodies, Monoclonal, Humanized/therapeutic use , COVID-19 Drug Treatment , Adolescent , Adult , Aged , Aged, 80 and over , COVID-19/diagnosis , COVID-19/epidemiology , Drug Combinations , Female , Hospitalization/statistics & numerical data , Humans , Male , Middle Aged , Multimorbidity , Retrospective Studies , Risk Factors , SARS-CoV-2/isolation & purification , Severity of Illness Index , Treatment Outcome , Young Adult
6.
Mayo Clin Proc ; 96(5): 1250-1261, 2021 05.
Article in English | MEDLINE | ID: covidwho-1219872

ABSTRACT

The administration of spike monoclonal antibody treatment to patients with mild to moderate COVID-19 is very challenging. This article summarizes essential components and processes in establishing an effective spike monoclonal antibody infusion program. Rapid identification of a dedicated physical infrastructure was essential to circumvent the logistical challenges of caring for infectious patients while maintaining compliance with regulations and ensuring the safety of our personnel and other patients. Our partnerships and collaborations among multiple different specialties and disciplines enabled contributions from personnel with specific expertise in medicine, nursing, pharmacy, infection prevention and control, electronic health record (EHR) informatics, compliance, legal, medical ethics, engineering, administration, and other critical areas. Clear communication and a culture in which all roles are welcomed at the planning and operational tables are critical to the rapid development and refinement needed to adapt and thrive in providing this time-sensitive beneficial therapy. Our partnerships with leaders and providers outside our institutions, including those who care for underserved populations, have promoted equity in the access of monoclonal antibodies in our regions. Strong support from institutional leadership facilitated expedited action when needed, from a physical, personnel, and system infrastructure standpoint. Our ongoing real-time assessment and monitoring of our clinical program allowed us to improve and optimize our processes to ensure that the needs of our patients with COVID-19 in the outpatient setting are met.


Subject(s)
Antiviral Agents/administration & dosage , COVID-19 , Critical Pathways , Home Infusion Therapy , SARS-CoV-2 , Spike Glycoprotein, Coronavirus , Antibodies, Monoclonal/administration & dosage , COVID-19/epidemiology , COVID-19/therapy , Clinical Protocols , Critical Pathways/organization & administration , Critical Pathways/trends , Efficiency, Organizational , Home Infusion Therapy/methods , Home Infusion Therapy/standards , Humans , Intersectoral Collaboration , Organizational Culture , Program Development/methods , SARS-CoV-2/immunology , SARS-CoV-2/isolation & purification , Severity of Illness Index , Spike Glycoprotein, Coronavirus/antagonists & inhibitors , Spike Glycoprotein, Coronavirus/immunology , United States/epidemiology
7.
J Am Geriatr Soc ; 69(4): 868-873, 2021 04.
Article in English | MEDLINE | ID: covidwho-1096867

ABSTRACT

BACKGROUND: Residents of nursing homes and long-term care facilities are at increased risk for severe coronavirus disease-19 (COVID-19) but may not be able to access monoclonal antibody therapies offered at outpatient infusion centers due to frailty and logistical issues. We describe a mobile monoclonal antibody infusion program for patients with COVID-19 in skilled nursing facilities and provide descriptive data on its outcomes. DESIGN: Retrospective cohort study. SETTING: Collaboration between Mayo Clinic and skilled nursing facilities in Southeast Minnesota was developed to administer anti-spike monoclonal antibodies under the FDA Emergency Use Authorization. PARTICIPANTS: Seventy five residents of skilled nursing facilities at high risk of COVID-19 complications. EXPOSURE: Emergency use treatment with bamlanivimab and casirivimab-imdevimab. MEASUREMENTS: Hospitalization and medically attended visits. RESULTS: The mobile infusion unit, staffed by Mayo Clinic Infusion Therapy registered nurses and supported by the skilled nursing facility staff, infused anti-spike monoclonal antibodies to 45 of 75 patients (average age, 77.8 years) in December 2020. The infusions occurred at an average of 4.3 days after COVID-19 diagnosis. Fourteen days after infusion, there were no deaths, two emergency department visits, and three hospitalizations, for a combined event rate of 11.1%. There was one reported adverse event. CONCLUSION: The implementation of a mobile infusion unit embedded in a collaborative process resulted in rapid infusion of monoclonal antibodies to high-risk COVID-19 patients in skilled nursing facilities, who would otherwise be unable to access the novel therapies. The therapies were well tolerated and appear beneficial. Further study is warranted to explore the scalability and efficacy of this program.


Subject(s)
Antibodies, Monoclonal, Humanized/therapeutic use , COVID-19 Drug Treatment , Mobile Health Units , Skilled Nursing Facilities , Aged , Drug Combinations , Female , Humans , Male , Minnesota , Patients/statistics & numerical data , Referral and Consultation , Retrospective Studies
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