Table 1 Selected preclinical data for potential anti-metastatic therapies

From: A framework for the development of effective anti-metastatic agents

Agent

Target

Preclinical dataa

Antibodies

Anti-CCL2

CCL2 (chemokine)

Prevented mobilization of myeloid cells from the bone marrow to colorectal liver metastases and thereby reduced metastasis177

Anti-BMP6

BMP6 (TGFβ superfamily cytokine)

Reduced osteoblastic bone metastasis from prostate cancer178

Anti-PTHrP

PTHrP (hormone involved in bone vicious cycle)

Reduced liver and bone metastasis of melanoma179

Anti-N-cadherin

N-cadherin (mesenchymal cadherin)

Reduced prostate cancer muscle invasion and induced tumour cell apoptosis180

Anti-CD24

CD24 (GPI-linked sialo-glycoprotein)

Reduced lung metastasis of bladder cancer181

Anti-CDCP1

Protease cleavage site of CDCP1

Prevented lung metastasis by inducing poly(ADP-ribose) polymerase-mediated cell death182

Anti-TSPAN8

TSPAN8 (tumour-associated tetraspanin)

Reduced metastasis of epithelial ovarian cancer183

Anti-MT1-MMP

Membrane type 1 MMP

Reduced lung metastasis of melanoma184

Small-molecule inhibitors

BL5923

CCR1 (CCL9 and/or CCL15 chemokine signalling)

Inhibited liver metastasis of CRC by blocking recruitment of myeloid cells185

SD208

TGFβ receptor 1

Reduced melanoma and prostate bone metastasis and decreased progression of established lesions186,187

CCT129254

Multiple kinases (including ROCK, PI3K and AKT)

Inhibited melanoma lung metastasis188

Zibotentan

Endothelin 1

Prevented lung colonization by bladder cancer cells but had no effect on established metastases189

Debio 0719

Lysophosphatidic acid receptor 1 (fibrosis)

Decreased lung and liver metastasis in breast cancer and induced tumour cell dormancy11

β-Aminopropionitrile

Lysyl oxidases

Prevented breast cancer metastasis but had no effect on existing lesions190

CCT365623

Lysyl oxidases

Prevented metastasis of breast cancer191

CA-074

Cathepsin B inhibitor

Prevention of bone metastasis and shrinkage of existing bone metastases in a breast cancer model192

Napabucasin

Unclear (STAT3 and cancer stem cell pathways)

Reduced metastasis of pancreatic and colon cancers193

HO-3867

Unclear (STAT3 signalling and reversion of mutant p53 to a wild-type phenotype)

Reduced metastasis of ovarian cancer194

IRAK inhibitor and ginsenosides

IRAK1

Reversed paclitaxel resistance and reduced metastasis of TNBC195

Bafetinib

LYN and BCR–ABL1

Decreased liver metastasis in a breast cancer model196

KPT-6566

PIN1 (prolyl isomerase that regulates proline-directed kinase signalling)

Decreased lung metastasis of TNBC197

SF2523

Dual PI3K and BRD4 inhibitor (MYC-mediating factors)

Reduced regional colonic lymph node metastasis and shrank established metastases in pancreatic carcinoma model198

Nifuroxazide

Unclear (STAT3 signalling)

Inhibited lung and abdomen metastasis of CRC and shrank existing metastases199

AECHL-1 (triterpenoid)

Unclear (alters cytoskeletal dynamics and inhibits NF-κB-mediated MAPK activity)

Decreased lung metastasis of TNBC200

CCG-203971

Unclear (inhibits the RHO–MRTF–SRF pathway)

Decreased lung metastasis in melanoma model201

Regorafenib

Multiple kinases (including angiogenic receptor tyrosine kinases)

Decreased lung metastasis of CRC (via activation of the protein tyrosine phosphatase SHP1) and shrank existing metastases202

GW3965

Liver X receptors

Inhibited brain metastasis of melanoma and shrank existing lesions203

Low-dose paclitaxel

Tubulin

Decreased lung metastasis of cholangiocarcinoma (via reduced nuclear import of the calcium-binding protein S100A4)204

Selumetinib

MEK

Decreased lung metastasis of TNBC205

G2

Fascin (actin-bundling protein)

Decreased lung metastases of breast cancer206

Zileuton

Arachidonate 5-lipoxygenase

Reduced spontaneous metastasis of MMTV-PyMT cells168

Peptides

Bone metastasis-targeting peptide 78

Endoplasmic reticulum chaperone BiP

Reduced outgrowth of established lung and bone micrometastases in an advanced-stage breast cancer model207

T22

CXCR4 (SDF1 chemokine signalling)

Showed synergy with anti-CTLA-4 therapy in reducing the size of established melanoma metastases208

Ac-PhScN-NH2

α5β1 integrin (fibronectin receptor)

Inhibited bone metastasis, disease progression and lung colonization in a breast cancer model and shrank established lesions209

Immunotherapies

MTDH DNA vaccine

MTDH

Induced T cell responses and prevented lung metastasis in a breast cancer model210

LMP1 DNA vaccine

LMP1 viral antigen

Inhibited TC-1 lung metastasis in vivo via targeting of EBV LMPs211

Others

Retinoic acid

Retinoic acid receptor (inhibits cell adhesion)

Inhibited melanoma lung metastasis by inhibiting tumour cell adhesion to the vascular endothelium and subendothelium212

IGF trap

IGF1R

Promoted apoptosis of colon and lung cancer cells in nascent liver metastases213

Ad.dcn (decorin-expressing oncolytic adenovirus)

Various (results in downregulation of MET, β-catenin and VEGFA)

Systemic delivery shrank established bone metastases of prostate cancer214

Cellax-DTX polymer (docetaxel–acetylated carboxymethylcellulose–PEG conjugate nanoparticles)

Tubulin (results in selective depletion of activated, cancer-associated fibroblasts)

Decreased development of pancreatic metastases215

N-acetylcysteine

Reactive oxygen species (antioxidant)

Inhibited liver metastasis of pancreatic cancer216

NM-NP-CFZ (neutrophil-mimicking-nanoparticles containing carfilzomib)

Inflammatory neutrophils

Prevented early lung metastases and shrank established metastases in mammary carcinoma models217

  1. CDCP1, CUB domain-containing protein 1; CRC, colorectal cancer; CTLA-4, cytotoxic T lymphocyte antigen 4; EBV, Epstein–Barr virus; GPI, glycosylphosphatidylinositol; LMP, latent membrane protein; MMP, matrix metalloproteinase; MRTF, myocardin-related transcription factor; MTDH, metadherin (also known as LYRIC); PEG, polyethylene glycol; SRF, serum response factor; TNBC, triple-negative breast cancer. aUnless otherwise noted, the intervention was shown to prevent or delay the development of metastasis.