Division of Hematologic Malignancies and Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS
Sibgha Gull Chaudhary , Muhammad Usman Zafar , Maha Awaiz Hassan , Moazzam Shahzad , Ali Hussain , Fatima Ali , Yumna Riaz , Fatima Khalid , Sharad Khurana , Ramesh Balusu , Nausheen Ahmed , Anurag K Singh , Faiz Anwer , Sunil H. Abhyankar , Joseph McGuirk , Muhammad Umair Mushtaq
Background: Coronavirus Disease 2019 (COVID-19) was declared a pandemic on March 11, 2020. COVID-19 has caused over 100 million infections and over 2 million deaths globally. Patients who have received a hematogenic stem cell transplant or cellular therapy (HCT) have a high risk of mortality and morbidity with COVID-19 due to severe immune dysregulation. We conducted a systematic review and meta-analysis aimed to evaluate the outcomes of COVID-19 in HCT patients. Methods: A literature search following the Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines (PRISMA) guidelines was performed on 3 databases (PubMed, Cochrane, and Clinical trials.gov) from the date of inception to Jan 2021. MeSH terms included ‘hematological malignancies’, ‘hematopoietic stem cell transplantation’, ‘SARS-CoV-2’, and ‘COVID 19’. We screened 99 articles and 6 studies (4 retrospective studies, 2 prospective) were included after excluding review, duplicate, and non-relevant articles. Quality evaluation was done using the NIH quality assessment tool. The Inter-study heterogeneity among the studies was assessed using the Q statistic proposed by Cochrane and the I2 index introduced by Higgins and Thompson. Pooled analysis was done using the ‘metaXL’, and the random effects model was used to estimate the pooled prevalence with 95% CI. Results: Of 1619 patients in 6studies, 646 HCT patients were analyzed (Table ). The median age of patients was 63 years and 59% were males. Median days since HCT for autologous (auto) HCT and allogeneic (allo) HCT patients were 690 and 450 days respectively. The average follow-up duration after COVID-19 was 24 days. COVID-19 mortality in HCT patients was 20% (95%CI 0.17 to 0.23, I2=0). Roedl et al (n=6) reported a mortality of 83% and was excluded from the pooled analysis. The mortality rate was 19% (95% CI 0.15 to 0.24, I2=0%) in auto HCT patients and 21% (95% CI 0.17 to 0.25, I2=0%) in allo HCT patients. Conclusions: The HCT patients are at significant risk of increased mortality and morbidity due to COVID-19. There is a need to prioritize HCT patients for COVID-19 vaccination, close surveillance, and aggressive management.
Author (Y) | Coll et al (2020) | Fox et al (2020) | Pinana et al (2020) | Roedl et al (2020) | Shah et al (2020) | Sharma et al (2021) |
---|---|---|---|---|---|---|
Patients, n | 113 | 9 | 123 | 6 | 77 | 318 |
Age yrs, median (range) | 61 (52-70) | 63 (23-88) | 64 (1-94) | 66.5 (58–73) | 62 (52–68) | NA |
Males, n (%) | 64 (57) | NA | 74 (60) | 4 (67) | 46 (64) | 188 (59) |
Allo HCT, n | 71 | 2 | 65 | 5 | 35 | 184 |
Auto HCT/CAR-T, n | 42 | 7 | 58 | 1 | 42 | 134 |
Follow-up after COVID days, median (range) | 16 (10-25) | 27 (17-43) | 25 (0-74) | 35 (7-44) | 23 (10-20) | 23 (8-41) |
Allo HCT mortality, n (%) | 11 (15.5) | 0 | 13 (20) | 4 (80) | 10 (29) | 40 (22) |
Auto HCT/CAR-T mortality, n (%) | 7 (17) | 3 (43) | 12 (21) | 1 (100) | 5 (12) | 26 (19) |
ICU Admissions, n (%) | 84 (13) | 31 (56.4) | 43 (11.7) | 6 (100) | 17 (22) | 45 (14) |
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