BI 836880: A dual inhibitor of two key pathways mediating tumour angiogenesis
BI 836880* is a humanised bispecific nanobody® comprising blocking domains for vascular endothelial growth factor (VEGF) and angiopoietin 2 (Ang2).1 BI 836880 is a potent and selective inhibitor of VEGF and Ang2.1
Clinical trials (monotherapy and combination therapy): BI 836880 is currently being investigated as monotherapy in two Phase I clinical studies in patients with solid tumours,2-4 and in combination with the programmed cell death protein-1 (PD-1) inhibitor BI 754091* in a Phase I trial involving patients with non-squamous non-small cell lung cancer (NSCLC) with programmed cell death ligand-1 (PD-L1) expression >1% as well as in patients with other solid tumours.4,5
Role of VEGF/Ang2
VEGF and Ang2 signalling have different but complementary functions in tumour angiogenesis:6-8
Preclinical studies in mouse models of various solid tumours have shown that combined VEGF/Ang2 blockade prolongs survival compared with blockade of either pathway alone.6
VEGF and Ang2 have complementary roles in tumour angiogenesis7,8
Ang2, angiopoietin-2; VEGF, vascular endothelial growth factor; VEGFR, vascular endothelial growth factor receptor.
About BI 836880
Mechanism of action
BI 836880 is a humanised bispecific nanobody® (antibody fragments consisting of a single variable antibody domain) comprising blocking domains for VEGF and Ang2 and an additional portion for extending the half-life.1 By binding to VEGF and Ang2, BI 836880 inhibits tumour angiogenesis and vascularisation, and enhances the tumour microenvironment to support T-cell trafficking and function in the tumour,1 making it a potential candidate for use in combination with PD-1 inhibitors (e.g. BI 754091).
Immunopermissive mechanism of action of dual VEGF/Ang2 inhibition1,6-8
Ang2, angiopoietin-2; CD, cluster of differentiation; PD-1, programmed cell death protein-1; VEGF, vascular endothelial growth factor; VEGFR, vascular endothelial growth factor receptor.
Preclinical data have shown that BI 836880 can potently and selectively neutralise VEGF and Ang2 in models of pancreatic, lung, renal, ovarian and colon cancer.1 Furthermore, BI 836880 showed superior inhibition of tumour growth and angiogenesis in vivo than either the VEGF inhibitor bevacizumab, or the Ang1/2 inhibitor AMG 368 alone.1
BI 836880 is currently being investigated as monotherapy in two Phase I clinical trials involving patients with solid tumours.2,3
BI 836880 is currently being investigated as a monotherapy in patients with solid tumours,2-4 and in combination with the PD-1 inhibitor BI 754091 in patients with advanced non-squamous NSCLC and PD-L1 expression >1% as well as in patients with other solid tumours.4,5
NSCLC and solid tumours
AE, adverse event; Ang2, angiopoietin-2; DCR, disease control rate; DLT, dose-limiting toxicity; DoR, duration of response; MTD, maximum tolerated dose; OR, objective response; PD, pharmacodynamics; PD-1, programmed cell death protein-1; PFS, progression free survival; PK, pharmacokinetics; VEGF, vascular endothelial growth factor
Hofmann I, et al. Poster presentation at the 8th Euro Global Summit on Cancer Therapy 2015.
ClinicalTrials.gov. NCT02674152. http://clinicaltrials.gov/ct2/show/NCT02674152 (Accessed: November 2019).
ClinicalTrials.gov. NCT02689505. http://clinicaltrials.gov/ct2/show/NCT02689505 (Accessed: November 2019).
ClinicalTrials.gov. NCT03972150. http://clinicaltrials.gov/ct2/show/NCT03972150 (Accessed: November 2019).
ClinicalTrials.gov. NCT03468426. https://clinicaltrials.gov/ct2/show/NCT03468426 (Accesssed: November 2019).
Fukumura D, et al. Nat Rev Clin Oncol 2018;15(5):325–40.
Gerald D, et al. Cancer Res 2013;73(6):1649–57.
Huang H, et al. Nat Rev Cancer 2010;10(8):575–85.
*This is an investigational compound and has not been approved. Its safety and efficacy have not been established.
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Page last updated: November 2019
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