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. 2021 Jun 26;71(2):373–386. doi: 10.1007/s00262-021-02990-9

Table 1.

Characteristics of included studies and patientsa

Author; Year Recruitment period Study design; Settings Country/Region Sample size Age (years) Male; n (%) Comorbidities; n (%)
Hypertension Diabetes CVD CKD COPD
Assaad [24] 1 Mar—15 Apr 2020 Retrospective; Single center France 55 63.8 ± 2.2 26 (47.3) NR NR NR NR NR
Dai [33] 1 Jan—24 Feb 2020 Retrospective; Multicenter China 105 64 (IQR: 14) 57 (54.3) 30 (28.6) 7 (6.7) 12 (11.4) 6 (5.7) NR
Garassino [34]b 26 Mar—12 Apr 2020 Retrospective; Multicenter Asia, Europe, USA 200 68 (61.8–75.0) 141 (70.5) 93 (47.0) 29 (15.0) 30 (15.0) 15 (8.0) 51 (26.0)
Gonzalez-Cao [25] 1 Apr—17 May 2020 Retrospective; Multicenter Spain 50 69 (Range: 6–94) 27 (54.0) NR NR NR NR NR
Lara [29] 1 Mar—22 Apr 2020 Retrospective; Multicenter USA 121 64 (51–73) 0 (0.0) 69 (57.0) 38 (31.4) 8 (6.6) 9 (7.4) 4 (3.3)
Lee [26, 53]c 18 Mar—26 Apr 2020 Prospective; Multicenter UK 800 69 (59–76) 449 (56.1) 247 (30.9) 131 (16.4) 109 (13.6) NR 61 (7.6)
Luo [30, 54]d 12 Mar—13 Apr 2020 Retrospective; Single center USA 69 69 (Range: 31–91) 33 (47.8) 38 (55.1) 21 (30.4) 5 (7.2) NR 12 (17.4)
Pinato [27]b,c 26 Feb—1 Apr 2020 Retrospective; Multicenter Europe 890 68.0 ± 12.8 503 (56.5) 386 (43.4) 181 (20.3) 128 (14.4) 77 (8.7) 119 (13.4)
Robilotti [31]d 10 Mar—7 Apr 2020 Retrospective; Single center USA 423 NR 212 (50.1) 214 (50.7) 84 (19.9) 84 (19.9) 36 (8.5) 29 (6.9)
Tyan [32] 20 Mar—3 Jun 2020 Retrospective case–control; Multicenter USA 50 72 (Range: 45–83) vs 68 (Range: 36–87) 28 (56.0) 29 (58.0) 12 (24.0) 14 (28.0) NR 13 (26.0)
Yarza [28] 9 Mar—19 Apr 2020 Retrospective; Single center Spain 63 66 ± 10.93 34 (54,0) 33 (52.4) 11 (17.5) 12 (19.0) 5 (7.9) 14 (22.2)
Author; Year Cancer types; n (%) Adjuvant therapy; n(%) ICI Outcomes
Hematologic Solid tumor Metastatic Last ICI dose to COVID-19 diagnosis (days) Anti-PD-1 Anti-CTLA-4 Anti-PD-L1
Assaad [24] 20 (36.4) 35 (63.6) 29 (52.7)

Chemotherapy: 18 (32.7)

Other immunotherapy: 6 (10.9)

Targeted therapy: 6 (10.9)

Max: 30 3 (5.5) 0 (0.0) 3 (5.5) Mortality
Dai [33] 9 (8.6) 96 (91.4) 17 (16.2)

Chemotherapy: 3 (2.9)

Targeted therapy: 1 (1.0)

40 ± 40.5 6 (5.7) 0 (0.0) 0 (0.0) ICU admission, Invasive ventilation, Mortality, Severity (AKI, ARDS, DIC, rhabdomyolysis, septic shock)
Garassino [34]b 0 (0.0) 200 (100) 147 (74.0)

Cementoplasty: 1 (0.5)

Chemotherapy: 24 (12)

Radiotherapy: 3 (1.5)

Targeted therapy: 2 (1.0)

NR NR NR NR Hospitalization, ICU admission, Mechanical ventilation, Mortality, Prolonged hospitalization (> 8 days)
Gonzalez-Cao M [25] 0 (0.0) 50 (100) 36 (72.0) 0 (0.0) 56 22 (44) 0 (0.0) 0 (0.0) Hospitalization, ICU admission, Mortality, Severity (ARDS, sepsis, septic shock, severe COVID-19)
Lara [29] 0 (0.0) 121 (100) NR

Chemotherapy: 35 (28.9)

Hormone therapy: 9 (7.4)

Radiotherapy: 9 (7.4)

Surgery: 11 (9.1)

Targeted therapy: 13 (10.7)

25.3 ± 14.6 4 (3.3) 0 (0.0) 0 (0.0) Hospitalization, Mortality
Lee [26, 53]c 169 (21.1) 584 (73.0) 347 (43.4) NR Max: 28 0 (0.0) 44 (5.5) 44 (5.5) Mortality
Luo [30, 54]d 0 (0.0) 69 (100) NR Surgery/Radiotherapy: 32 (46.4) Median: 45 (Range: 4–820) 41 (59) 0 (0.0) 0 (0.0) Hospitalization, Mortality, Severity (ICU admission, invasive ventilation)
Pinato [27]b,c 137 (15.4) 753 (84.6) 351 (39.4)

Chemotherapy: 164 (69.8)

Hormone therapy: 48 (20.4)

Targeted therapy: 41 (17.4)

Max: 28 NR NR NR Mortality, Severity (Complications, i.e., ARDS, sepsis, septic shock)
Robilotti [31]d 102 (24.1) 184 (43.5) 238 (56.3) NR 24.4 ± 20.8 25 (5.9) 2 (0.5) 5 (1.2) Hospitalization, Mortality, Severity (high-flow oxygen supplementation mechanical ventilation) (30 days)
Tyan [32] 10 (20.0) 40 (80.0) NR NR 29 (Range: 0–328) 20 (80.0) 1 (4.0) 4 (16.0) Hospitalization, ICU admission, Mortality
Yarza [28] 0 (0.0) 63 (100) 52 (82.5)

Chemotherapy: 36 (57.1)

Hormone therapy: 10 (15.9)

Targeted therapy: 7 (11.1)

Max: 28 NR NR NR Mortality, Severity (ARDS)

aUnless explicitly stated, data are presented in n (%), mean ± standard deviation, or median (interquartile range)

bOverlapping populations were observed between Garassino [34] and Pinato [27]

cOverlapping populations were observed between Lee [26, 53] and Pinato [27]

dOverlapping populations were observed between Robilotti [31] and Luo [30, 54]

AKI, acute kidney injury; ARDS, acute respiratory distress syndrome; CKD, chronic kidney disease; COPD, chronic obstructive pulmonary disease; COVID-19, coronavirus disease 2019; CTLA-4, cytotoxic T-lymphocyte associated protein 4; CVD, cardiovascular disease; DIC, disseminated intravascular coagulation; ICI, immune checkpoint inhibitor; ICU, intensive care unit; IQR, interquartile range; PD-1, programmed cell death protein 1; PD-L1, PD-1 ligand 1; NR, not reported; UK, United Kingdom; USA, United States of America