Review Article

Risk of Rash in PD-1 or PD-L1-Related Cancer Clinical Trials: A Systematic Review and Meta-Analysis

Table 1

Basic information of all selected clinical trials.

Trial no.ReferenceNCT numberDrugTreatment RegimensInvolving PatientsRashPrevious therapyPhaseTumor Type

1Borghaei H, et al. 2015 [22]NCT01673867 (CheckMate 057)Nivolumab (PD-1)Nivolumab versus Docetaxel55535YesIIIAdvanced non-squamous NSCLC
2Weber JS, et al. 2015 [23]NCT01721746 (CheckMate 037)Nivolumab (PD-1)Nivolumab versus Dacarbazine/Paclitaxel plus Carboplatin37030NoIIIAdvanced melanoma
3Brahmer J, et al. 2015 [24]NCT01642004 (CheckMate 017)Nivolumab (PD-1)Nivolumab versus Docetaxel26013YesIIIAdvanced squamous cell NSCLC
4Motzer RJ, et al. 2015 [25]NCT01668784 (CheckMate 025)Nivolumab (PD-1)Nivolumab versus Everolimus803120YesIIIAdvanced RCC
5Herbst RS, et al. 2016A [26]NCT01905657 (KEYNOTE-010)Pembrolizumab (PD-1)Pembrolizumab 2 mg/kg versus Pembrolizumab 10 mg/kg99173YesII/IIIAdvanced NSCLC
Herbst RS, et al. 2016B [26]Pembrolizumab 2 mg/kg versus Docetaxel43
Herbst RS, et al. 2016C [26]Pembrolizumab 10 mg/kg versus Docetaxel58
6Langer CJ, et al. 2016 [27]NCT02039674 (KEYNOTE-021)Pembrolizumab (PD-1)Pembrolizumab plus Carboplatin plus Pemetrexed versus Carboplatin plus Pemetrexed12125NoIIAdvanced nonsquamous NSCLC
Awad MM, et al. 2021 [28]
7Antonia SJ, et al. 2016 [29]NCT01928394 (CheckMate 032)Nivolumab (PD-1)Nivolumab versus Nivolumab plus Ipilimumab1526YesI/IIRecurrent SCLC
8Ferris RL, et al. 2016 [30]NCT02105636 (CheckMate 141)Nivolumab (PD-1)Nivolumab versus (Methotrexate, Docetaxel, or Cetuximab)34723YesIIIRecurrent HNSCC
9Hodi FS, et al. 2016 [31]NCT01927419 (CheckMate 069)Nivolumab (PD-1)Nivolumab plus Ipilimumab versus Ipilimumab14054NoIIAdvanced melanoma
10Bellmunt J, et al. 2017 [32]NCT02256436 (KEYNOTE-045)Pembrolizumab (PD-1)Pembrolizumab versus Chemotherapy53145YesIIIAdvanced UC
11Kang YK, et al. 2017 [33]NCT02267343 (ONO-4538-12, ATTRACTION-2)Nivolumab (PD-1)Nivolumab versus Placebo49124YesIIIAdvanced gastric or GJC
12Schachter J, et al. 2017A [34]NCT01866319 (KEYNOTE-006)Pembrolizumab (PD-1)Pembrolizumab every 2 weeks versus Pembrolizumab every 3 weeks81192YesIIIAdvanced melanoma
Schachter J, et al. 2017B [34]Pembrolizumab every 2 weeks versus Ipilimumab84
Schachter J, et al. 2017C [34]Pembrolizumab every 3 weeks versus Ipilimumab88
13Antonia SJ, et al. 2017 [35]NCT02125461 (PACIFIC)Durvalumab (PD-L1)Durvalumab versus Placebo70950YesIIIAdvanced, unresectable, stage III NSCLC
14Socinski MA, et al. 2018 [36]NCT02366143 (IMpower150)Atezolizumab (PD-L1)Atezolizumab plus Bevacizumab plus Carboplatin plus Paclitaxel (ABCP) versus Bevacizumab plus Carboplatin plus Paclitaxel (BCP)78772NoIIIMetastatic nonsquamous NSCLC
15Paz-Ares L, et al. 2018 [37]NCT02775435 (KEYNOTE-407)Pembrolizumab (PD-1)Pembrolizumab plus chemotherapy versus chemotherapy55879NoIIISquamous NSCLC
16Horn L, et al. 2018 [38]NCT02763579 (IMpower133)Atezolizumab (PD-L1)Atezolizumab plus Carboplatin plus Etoposide versus Carboplatin plus Etoposide39457NoIIIExtensive-stage SCLC
17Antonia SJ, et al. 2018 [39]NCT02125461 (PACIFIC)Durvalumab (PD-L1)Durvalumab versus Placebo70976YesIIIStage III NSCLC
18Gandhi L, et al. 2018 [40]NCT02578680 (KEYNOTE-189)Pembrolizumab (PD-1)Pembrolizumab plus Pemetrexed plus A platinum-based drug versus Pemetrexed plus A platinum-based drug607105NoIIMetastatic nonsquamous NSCLC
Gadgeel S, et al. 2020 [41]
Rodríguez-Abreu D, et al. 2021 [42]
19Hida T, et al. 2018 [43]NCT02008227 (OAK)Atezolizumab (PD-L1)Atezolizumab versus Docetaxel10122YesIIIAdvanced/metastatic NSCLC
20Eggermont AMM, et al. 2018 [44]NCT02362594Pembrolizumab (PD-1)Pembrolizumab versus Placebo1011136NoIIIResected stage III melanoma
21Schmid P, et al. 2018 [45]NCT02425891 (IMpassion130)Atezolizumab (PD-L1)Atezolizumab plus Nab-paclitaxel versus Nab-paclitaxel890113NoIIIUnresectable locally advanced or metastatic TNBC
Emens LA, et al. 2021 [46]
22Hellmann MD, et al. 2018A [47]NCT02477826 (CheckMate 227)Nivolumab (PD-1)Nivolumab plus Ipilimumab versus Nivolumab1537139NoIIIStage IV or recurrent NSCLC
Hellmann MD, et al. 2018B [47]Nivolumab plus Ipilimumab versus Chemotherapy (platinum doublet)125
Hellmann MD, et al. 2018C [47]Nivolumab versus Chemotherapy (platinum doublet)72
Reck M, et al. 2021A [48]Nivolumab plus Ipilimumab versus Nivolumab139
Reck M, et al. 2021B [48]Nivolumab plus Ipilimumab versus Chemotherapy (platinum doublet)125
Reck M, et al. 2021C [48]Nivolumab versus Chemotherapy (platinum doublet)72
23Powles T, et al. 2018A [49]NCT02302807 (IMvigor211)Atezolizumab (PD-L1)Atezolizumab versus Chemotherapy (vinflunine paclitaxel or docetaxel)112820YSEIIILocally advanced or metastatic UC
Powles T, et al. 2018B [49]Atezolizumab versus Chemotherapy (vinflunine paclitaxel or docetaxel)61
24Paz-Ares L, et al. 2019 [50]NCT03043872 (CASPIAN)Durvalumab (PD-L1)Durvalumab plus EP versus EP5316NoIIIExtensive-stage SCLC
25Motzer RJ, et al. 2019 [51]NCT02684006 (JAVELIN Renal 101)Avelumab (PD-L1)Avelumab plus Axitinib versus Sunitinib87396YesIIIAdvanced RCC
Motzer RJ, et al. 2020 [52]
26West H, et al. 2019 [53]NCT02367781 (IMpower130)Atezolizumab (PD-L1)Atezolizumab plus Carboplatin plus Nab-paclitaxel versus Carboplatin plus Nab-paclitaxel70525NoIIIMetastatic nonsquamous NSCLC
27Kato K, et al. 2019 [54]NCT02569242 (ATTRACTION-3)Nivolumab (PD-1)Nivolumab versus Paclitaxel/Docetaxel41754YesIIIAdvanced OSCC
28Motzer R, et al. 2019 [55]NCT02231749 (CheckMate 214)Nivolumab (PD-1)Nivolumab plus Ipilimumab versus Sunitinib1082193NoIIIAdvanced RCC
29Rini BI, et al. 2019 [56]NCT02420821 (IMmotion151)Atezolizumab (PD-L1)Atezolizumab plus Bevacizumab versus Sunitinib907128NoIIIMetastatic RCC
30Sullivan RJ, et al. 2019 [57]NCT01656642Atezolizumab (PD-L1)Atezolizumab plus Vemurafenib versus Atezolizumab plus Cobimetinib plus Vemurafenib5620NoIbBRAF-mutated melanoma
31Hellmann MD, et al. 2019A [58]NCT02477826 (CheckMate 227)Nivolumab (PD-1)Nivolumab plus Ipilimumab versus Nivolumab1537139NoIIIAdvanced NSCLC
Hellmann MD, et al. 2019B [58]Nivolumab plus Ipilimumab versus Chemotherapy (platinum doublet)125
Hellmann MD, et al. 2019C [58]Nivolumab versus Chemotherapy (platinum doublet)72
32Wu YL, et al. 2019 [59]NCT02613507 (CheckMate 078)Nivolumab (PD-1)Nivolumab versus Docetaxel49343YesIIIAdvanced NSCLC
33Cohen EEW, et al. 2019 [60]NCT02252042 (KEYNOTE-040)Pembrolizumab (PD-1)Pembrolizumab versus (Methotrexate, Docetaxel, or Cetuximab)48053YesIIIRecurrent or metastatic HNSCC
34Mok TSK, et al. 2019 [61]NCT02220894 (KEYNOTE-042)Pembrolizumab (PD-1)Pembrolizumab versus Chemotherapy125173NoIIILocally advanced or metastatic NSCLC
Wu YL, et al. 2021 [62]
35Burtness B, et al. 2019A [63]NCT02358031 (KEYNOTE-048)Pembrolizumab (PD-1)Pembrolizumab versus Pembrolizumab plus Chemotherapy86359NoIIIRecurrent or Metastatic HNSCC
Burtness B, et al. 2019B [63]Pembrolizumab versus Cetuximab plus Chemotherapy141
Burtness B, et al. 2019C [63]Pembrolizumab plus Chemotherapy versus Cetuximab plus Chemotherapy140
36Finn RS, et al. 2020 [64]NCT03434379Atezolizumab (PD-L1)Atezolizumab plus Bevacizumab versus Sorafenib48568NoIIIUnresectable hepatocellular carcinoma
37Gutzmer R, et al. 2020 [65]NCT02908672 (IMspire150)Atezolizumab (PD-L1)Atezolizumab plus Vemurafenib plus Cobimetinib versus Vemurafenib plus Cobimetinib511209NoIIIUnresectable advanced BRAFV600 mutation-positive melanoma
38Mittendorf EA, et al. 2020 [66]NCT03197935 (IMpassion031)Atezolizumab (PD-L1)Atezolizumab + Chemotherapy versus Chemotherapy33188NoIIIEarly stage TNBC
39Ascierto PA, et al. 2020 [67]NCT02388906 (CheckMate 238)Nivolumab (PD-1)Nivolumab versus Ipilimumab905197NoIIIResected stage IIIB–C and stage IV Melanoma
40Herbst RS, et al. 2020 [68]NCT02409342 (IMpower110)Atezolizumab (PD-L1)Atezolizumab versus Chemotherapy (platinum-based)54963NoIIIPD-L1-selected NSCLC
41Emens LA, et al. 2020 [69]NCT02924883 (KATE2)Atezolizumab (PD-L1)Atezolizumab plus Trastuzumab emtansine versus Trastuzumab emtansine20034YesIIHER2-positive advanced breast cancer
42Huang J, et al. 2020 [70]NCT03099382 (ESCORT)Camrelizumab (PD-1)Camrelizumab versus Chemotherapy (Docetaxel or Irinotecan)448189YesIIIAdvanced or metastatic OSCC
43Powles, et al. 2020 [71]NCT02603432 (JAVELIN Bladder 100)Avelumab (PD-L1)Avelumab versus Best Supportive Care (BSC)68944YesIIIAdvanced or metastatic UC
44André T, et al. 2020 [72]NCT02563002 (KEYNOTE-177)Pembrolizumab (PD-1)Pembrolizumab versus Chemotherapy (5-fluorouracil–based therapy with or without bevacizumab or cetuximab)29636NoIIIColorectal cancer
45Schmid P, et al. 2020 [73]NCT03036488 (KEYNOTE-522)Pembrolizumab (PD-1)Pembrolizumab plus Chemotherapy (Paclitaxel plus Carboplatin) versus Placebo plus Chemotherapy (Paclitaxel plus Carboplatin)1170229NoIIIStage II or stage III TNBC
46Jotte R, et al. 2020 [74]NCT02367794 (IMpower131)Atezolizumab (PD-L1)Atezolizumab plus Carboplatin plus Nab-paclitaxel versus Carboplatin plus Nab-paclitaxel66838YesIIIAdvanced squamous NSCLC
47Zhou C, et al. 2020 [75]NCT03134872 (CameL)Camrelizumab (PD-1)Camrelizumab plus Carboplatin plus Pemetrexed versus Carboplatin plus Pemetrexed41236NoIIINonsquamous NSCLC
48Zimmer L, et al. 2020A [76]NCT02523313 (IMMUNED)Nivolumab (PD-1)Nivolumab plus Ipilimumab versus Nivolumab1626YesIIResected stage IV melanoma
Zimmer L, et al. 2020B [76]Nivolumab plus Ipilimumab versus PlaceboN/A
Zimmer L, et al. 2020C [76]Nivolumab versus PlaceboN/A
49Galsky MD, et al. 2020A [77]NCT02807636 (IMvigor130)Atezolizumab (PD-L1)Atezolizumab plus Chemotherapy (platinum-based) versus Atezolizumab120375NoIIILocally advanced or metastatic UC
Galsky MD, et al. 2020B [77]Atezolizumab plus Chemotherapy versus Chemotherapy80
Galsky MD, et al. 2020C [77]Atezolizumab versus Placebo plus Chemotherapy41
50Powles T, et al. 2020A [78]NCT02516241 (DANUBE)Durvalumab (PD-L1)Durvalumab versus Durvalumab plus Tremelimumab99873NoIIIUnresectable advanced or metastatic UC
Powles T, et al. 2020B [78]Durvalumab versus Chemotherapy (gemcitabine plus cisplatin/carboplatin)34
51Rudin CM, et al. 2020 [79]NCT03066778 (KEYNOTE-604)Pembrolizumab (PD-1)Pembrolizumab plus EP versus Placebo plus EP44643NoIIIExtensive-stage SCLC
52Shitara K, et al. 2020A [80]NCT02494583 (KEYNOTE-062)Pembrolizumab (PD-1)Pembrolizumab versus Pembrolizumab plus Chemotherapy (Cisplatin plus Fluorouracil/Capecitabine)74843NoIIIAdvanced GC
Shitara K, et al. 2020B [80]Pembrolizumab versus Chemotherapy26
Shitara K, et al. 2020C [80]Pembrolizumab plus Chemotherapy versus Chemotherapy37
53Ribas A, et al. 2020A [81]NCT02027961Durvalumab (PD-L1)Durvalumab plus Dabrafenib plus Trametinib versus Durvalumab plus Trametinib (concurrent)6816YesIAdvanced melanoma
Ribas A, et al. 2020B [81]Durvalumab plus Dabrafenib plus Trametinib versus Durvalumab plus Trametinib (sequential)20
Ribas A, et al. 2020C [81]Durvalumab plus Trametinib (concurrent) versus Durvalumab plus Trametinib (sequential)18
54Winer EP, et al. 2021 [82]NCT02555657 (KEYNOTE-119)Pembrolizumab (PD-1)Pembrolizumab versus Single-drug Chemotherapy6018YesIIIMetastatic TNBC
55Lee NY, et al. 2021 [83]NCT02952586Avelumab (PD-L1)Avelumab plus Chemoradiotherapy versus placebo plus Chemoradiotherapy69256NoIIILocally advanced HNSCC
56Miles D, et al. 2021 [84]NCT03125902 (IMpassion131)Atezolizumab (PD-L1)Atezolizumab plus Paclitaxel versus Placebo plus Paclitaxel649207NoIIILocally advanced/metastatic TNBC
57Ren Z, et al. 2021 [85]NCT03794440 (ORIENT-32)Sintilimab (PD-1)Sintilimab plus Bevacizumab biosimilar (IBI305) versus sorafenib56549NoII-IIIUnresectable hepatocellular carcinoma
58Powles T, et al. 2021A [86]NCT02853305 (KEYNOTE-361)Pembrolizumab (PD-1)Pembrolizumab versus Chemotherapy99364NoIIIAdvanced UC
Powles T, et al. 2021B [86]Pembrolizumab plus Chemotherapy versus Chemotherapy107
Powles T, et al. 2021C [86]Pembrolizumab versus Pembrolizumab plus Chemotherapy123
59Bajorin DF, et al. 2021 [87]NCT02632409 (CheckMate 274)Nivolumab (PD-1)Nivolumab (Adjuvant) versus placebo69972YesIIIMuscle-invasive UC
60Brufsky A, et al. 2021A [88]NCT02322814 (COLET)Atezolizumab (PD-L1)Cobimetinib plus atezolizumab plus paclitaxel versus Cobimetinib plus paclitaxel15232NoIIAdvanced or metastatic TNBC
Brufsky A, et al. 2021B [88]Cobimetinib plus atezolizumab plus paclitaxel versus Cobimetinib plus atezolizumab plus Nab-paclitaxel28
Brufsky A, et al. 2021C [88]Cobimetinib plus paclitaxel versus Placebo plus paclitaxel25
61Motzer R, et al. 2021A [89]NCT02811861 (CLEAR)Pembrolizumab (PD-1)Lenvatinib plus Pembrolizumab versus Sunitinib1047143NoIIIAdvanced RCC
Motzer R, et al. 2021B [89]Lenvatinib plus Pembrolizumab versus Lenvatinib plus Everolimus184
Motzer R, et al. 2021C [89]Lenvatinib plus Everolimus versus Sunitinib135
62Bellmunt J, et al. 2021 [90]NCT02450331 (IMvigor010)Atezolizumab (PD-L1)Atezolizumab versus Observation787101NoIIIMuscle-invasive UC
63Choueiri TK, et al. 2021 [91]NCT03141177 (CheckMate 9ER)Nivolumab (PD-1)Nivolumab plus Cabozantinib versus Sunitinib64095NoIIIAdvanced RCC
64Sezer A, et al. 2021 [92]NCT03088540 (EMPOWER-Lung 1)Cemiplimab (PD-1)Cemiplimab versus Chemotherapy (platinum-doublet)69726NoIIIAdvanced NSCLC
65Paz-Ares L, et al. 2021 [93]NCT03215706 (CheckMate 9LA)Nivolumab (PD-1)Nivolumab plus Ipilimumab plus Chemotherapy versus Chemotherapy70778NoIIIStage IV or recurrent NSCLC
66Baas P, et al. 2021 [94]NCT02899299 (CheckMate 743)Nivolumab (PD-1)Nivolumab plus Ipilimumab versus Chemotherapy58458NoIIIUnresectable malignant pleural mesothelioma
67Goldman JW, et al. 2021A [95]NCT03043872 (CASPIAN)Durvalumab (PD-L1)Durvalumab plus EP versus EP79726NoIIIExtensive-stage SCLC
Goldman JW, et al. 2021B [95]Durvalumab plus Tremelimumab (CTLA-4) plus EP versus EP46
Goldman JW, et al. 2021C [95]Durvalumab plus Tremelimumab (CTLA-4) plus EP versus Durvalumab plus EP52
68Pujade-Lauraine E, et al. 2021A [96]NCT02580058 (JAVELIN Ovarian 200)Avelumab (PD-L1)Avelumab plus PLD (Pegylated Liposomal Doxorubicin) versus PLD54661YesIIIPlatinum-resistant or platinum-refractory OC
Pujade-Lauraine E, et al. 2021B [96]Avelumab plus PLD versus Avelumab54
Pujade-Lauraine E, et al. 2021C [96]Avelumab versus PLD25
69Kelly RJ, et al. 2021 [97]NCT02743494 (CheckMate 577)Nivolumab (PD-1)Nivolumab versus Placebo79262YesIIIResected esophageal or GJC
70Sugawara S, et al. 2021 [98]NCT03117049 (ONO-4538-52/TASUKI-5)Nivolumab (PD-1)Nivolumab versus Placebo548121NoIIIStage IIIB/IV or recurrent nonsquamous NSCLC
71Yang Y, et al. 2021 [99]NCT03707509 (CAPTAIN-1st)Camrelizumab (PD-1)Camrelizumab plus Gemcitabine plus Cisplatin versus Gemcitabine plus Cisplatin26372NoIIINC
72Liu SV, et al. 2021 [100]NCT02763579 (IMpower133)Atezolizumab (PD-L1)Atezolizumab plus CP/ET versus Placebo plus CP/ET39461NoI/IIIExtensive-stage SCLC
73Monk BJ, et al. 2021A [101]NCT02718417 (JAVELIN Ovarian 100)Avelumab (PD-L1)Avelumab plus Chemotherapy + Avelumab (maintenance) versus Chemotherapy99191NoIIIStage III–IV epithelial OC
Monk BJ, et al. 2021B [101]Avelumab plus Chemotherapy plus Avelumab (maintenance) versus Chemotherapy plus Avelumab (maintenance)125
Monk BJ, et al. 2021C [101]Chemotherapy plus Avelumab (maintenance) versus Chemotherapy84
74Choueiri TK, et al. 2021 [102]NCT03142334 (KEYNOTE-564)Pembrolizumab (PD-1)Pembrolizumab versus Placebo984151NoIIIClear-cell, advanced RCC
75Moore KN, et al. 2021 [103](NCT03038100) (IMagyn050/GOG 3015/ENGOT-OV39)Atezolizumab (PD-L1)Atezolizumab plus CP plus Bevacizumab versus Placebo plus CP plus Bevacizumab1285252NoIIIStage III or IV OC
76Gogas H, et al. 2021 [104]NCT03273153 (IMspire170)Atezolizumab (PD-L1)Cobimetinib plus Atezolizumab versus Pembrolizumab436118NoIIIBRAFV600 wild-type melanoma
77Owonikoko TK, et al. 2021A [105]NCT02538666 (CheckMate 451)Nivolumab (PD-1)Nivolumab plus Ipilimumab versus Nivolumab83082YesIIIExtensive-disease SCLC
Owonikoko TK, et al. 2021B [105]Nivolumab plus Ipilimumab versus Placebo76
Owonikoko TK, et al. 2021C [105]Nivolumab versus Placebo28
78Luo H, et al. 2021 [106]NCT03691090 ((ESCORT-1st)Camrelizumab (PD-1)Camrelizumab plus Chemotherapy versus Chemotherapy59522NoIIIAdvanced or metastatic ESCC
79Colombo N, et al. 2021A [107]NCT03635567 (KEYNOTE-826)Pembrolizumab (PD-1)Pembrolizumab plus Chemotherapy plus Bevacizumab versus Chemotherapy plus Bevacizumab38965NoIIIPersistent, recurrent, or metastatic cervical cancer
Colombo N, et al. 2021B [107]Pembrolizumab plus Chemotherapy versus Chemotherapy22717
80Fennell DA, et al. 2021 [108]NCT03063450 (CONFIRM)Nivolumab (PD-1)Nivolumab versus Placebo3321YesIIIMalignant mesothelioma
81Pusztai L, et al. 2021 [109](NCT01042379) (I-SPY2)Durvalumab (PD-L1)Durvalumab plus Olaparib plus Paclitaxel (DOP) versus Paclitaxel37263NoIIHER2-negative stage II/III breast cancer
82Zhu X, et al. 2021 [110]NCT02704156Pembrolizumab (PD-1)SBRT plus Pembrolizumab plus Trametinib versus SBRT plus Gemcitabine17022YesIILocally recurrent pancreatic cancer after surgical resection
83Sun JM, et al. 2021 [111]NCT03189719 (KEYNOTE-590)Pembrolizumab (PD-1)Pembrolizumab plus Chemotherapy versus Placebo plus Chemotherapy74047NoIIIAdvanced esophageal cancer
84Mai HQ, et al. 2021 [112]NCT03581786Toripalimab (PD-1)Toripalimab plus GP versus Placebo plus GP28971NoIIIAdvanced NC
85Felip E, et al. 2021 [113]NCT02486718 (IMpower010)Atezolizumab (PD-L1)Atezolizumab versus BSC990102YesIIIResected stage IB–IIIA NSCLC
86Larkin J, et al. 2019A [114]NCT01844505 (CheckMate 067)Nivolumab (PD-1)Nivolumab plus Ipilimumab versus Nivolumab937167NoIIIAdvanced melanoma
Larkin J, et al. 2019B [114]Nivolumab plus Ipilimumab versus Ipilimumab162
Larkin J, et al. 2019C [114]Nivolumab versus Ipilimumab143
Wolchok JD, et al. 2017A [115]Nivolumab plus Ipilimumab versus Nivolumab165
Wolchok JD, et al. 2017B [115]Nivolumab plus Ipilimumab versus Ipilimumab161
Wolchok JD, et al. 2017C [115]Nivolumab versus Ipilimumab140
Hodi FS, et al. 2018A [116]Nivolumab plus Ipilimumab versus Nivolumab167
Hodi FS, et al. 2018B [116]Nivolumab plus Ipilimumab versus Ipilimumab162
Hodi FS, et al. 2018C [116]Nivolumab versus Ipilimumab143
Larkin J, et al. 2015A [117]Nivolumab versus Nivolumab plus Ipilimumab207
Larkin J, et al. 2015B [117]Nivolumab versus Ipilimumab183
Larkin J, et al. 2015C [117]Nivolumab plus Ipilimumab versus Ipilimumab228

RCT = randomized controlled trial, N/A = not available, NSCLC=non-small-cell lung cancer, SCLC = small-cell lung cancer, UC = urothelial carcinoma, HNSCC = head and neck squamous-cell carcinoma, TNBC = triple-negative breast cancer, NC = nasopharyngeal carcinoma, GJC = gastroesophageal junction cancer, GC = gastric cancer, ESCC = esophageal squamous cell carcinoma, OC= ovarian cancer, and RCC = renal cell carcinoma.