Table 1.

Characteristics of included studies.

Study	Region	Study design	Sample size	mAbs		No mAbs		Patients included	Transplant recipients	Usage of mAbs
				Age^a	Male (%)	Age^a	Male (%)
Ahearn² 2021	USA	Retrospective	181	49.3 ± 14.3	22(65)	54 ± 14.5	83(56)	Outpatients	94 kidney, 87 liver	Bamlanivimab or Casirivimab-imdevimab
Bello³ 2021	France	Retrospective	48	54 ± 14	10	59 ± 13	20	Hospitalized, having symptoms for <6 d, and not requiring oxygen	37 kidney, 2 liver, 5 heart, 2 kidney-pancreas, 1 kidney-liver	Bamlanivimab, bamlanivimab-etesevimab, casirivimab-imdevimab
Chavarot⁴ 2022	France	Retrospective	125	54 (46–62)	21 (84.0)	53 (37.8–52)	54 (54.0)	Outpatient mild-to-moderate Omicron COVID-19	125 kidney	Sotrovimab
Gueguen⁵ 2022	France	Retrospective	235	57 (46–64.5)	45 (56.3)	57 (44–65)	90 (58)	Recent symptoms (<5 days) and no need of oxygen	155 kidney	Bamlanivimab, bamlanivimab-etesevimab, casirivimab-imdevimab
Klein⁶ 2021	USA	Retrospective	95	55.0 (31–79)	15 (75.0)	58 (38–78)	45 (60.0)	(1) were not hospitalized due to COVID-19, (2) did not require oxygen therapy due to COVID-19, and (3) had symptoms for <10 days	75 kidney	Bamlanivimab, bamlanivimab-etesevimab, casirivimab-imdevimab
Sarrell⁷ 2021	USA	Retrospective	165	55.1 (42.8–63.5)	56 (60.2)	52.0 (41.7–66.3)	39 (54.2)	Outpatient mild to moderate COVID-19	50 kidney, 17 liver, 11 lung, 9 heart, 6 dual-organ	Bamlanivimab, casirivimab-imdevimab
Tagaya⁸ 2022	Japan	Retrospective	41	53.72 (26–73)	13(72)	48.04 (20–80)	19 (82.6)	Hospitalized mild-to-moderate COVID-19	36 kidney, 3 liver, 2 bone marrow	Casirivimab-imdevimab
Wang⁹ 2022	USA	Retrospective	40	52 (37–61)	15(56)	44 (32–54)	4(31)	Outpatient mild to moderate COVID-19	40 kidney	Bamlanivimab, casirivimab-imdevimab

Age data presented as median (IQR) or mean (SD).