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. 2021 Jul 14;125(9):1197–1209. doi: 10.1038/s41416-021-01467-x

Table 1.

Ongoing clinical trials examining microbial therapeutics alone or in combination with ICI for cancer.

Clinical trial ID N = ; study type Start; estimated completion date Condition or disease Intervention
NCT03817125* 10; Phase Ib multicenter SER-401/placebo 2:1 randomised, placebo-controlled, blinded study January 2019; January 2023 *Discontinued March 2021 due to enrolment impact by COVID19 Advanced melanoma (unresectable or metastatic) SER-401 (donor-derived, enriched in Rumminococcacacae) combination treatment with anti-PD-1 ICI nivolumab compared to matching placebo
NCT03637803 132; Phase I/II Open-label, safety and preliminary efficacy study January 2019; March 2024 Anti-PD-1/PD-L1 relapsed advanced solid tumours (NSCLC, RCC, bladder cancer and melanoma) MRx0518 (Enterococcus gallinarum) combination treatment anti-PD-1 ICI pembrolizumab
NCT03934827 120; Phase I Safety study; Part A Open-label preliminary safety study; Part B MFx0518/placebo 4:1 randomised, double-blinded study April 2019; February 2022 Solid tumours awaiting primary surgical resection MRx0518 (E. gallinarum) compared to placebo given until surgical resection (Experimental Arm Part B)
NCT03775850 120; Phase I/II Open-label 3-Cohort study December 2019; December 2020 Advanced metastatic CRC, triple-negative breast cancer and ICI relapsed solid tumours EDP1503 (Bifidobacterium animalis lactus) given alone for 14 days, followed by combination treatment with anti-PD-1 ICI pembrolizumab
NCT03595683 70; Phase II Dual-Cohort, Open-label study October 2018; November 2023 PD-1 relapsed and naive advanced melanoma EDP1503 (B. animalis lactus) combination treatment with anti-PD-1 ICI pembrolizumab
NCT03686202 65; Early Phase I Open-label, randomised, feasibility study September 2018; April 2021 All solid tumours (locally advanced and metastatic) MET-4 (defined consortium from donor-derived intestinal bacteria) combination treatment with SOC ICIs
NCT04208958 111; Phase I/II Open-label single-group assignment study January 2020; April 2022 Advanced metastatic cancer; melanoma, gastric/gastroesophageal junction (GEJ) adenocarcinoma, microsatellite-stable (MSS) CRC VE800 (11 strain defined consortium) combination treatment with anti-PD-1 ICI Nivolumab

Sourced from Clinicaltrials.gov from the National Library for Medicine (NLM) at the National Institutes of Health (NIH), US Department of Health and Human Services.