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Table 1 Drug repurposing for cancer therapy

From: Repurposing approved non-oncology drugs for cancer therapy: a comprehensive review of mechanisms, efficacy, and clinical prospects

Class of drug

Name of drug

Chemical structure of drug

Type of cancer cells tested

Mechanism/results

Refs.

Anthelmintic Antiprotozoal

Flubendazole

breast cancer, leukemia,

multiple myeloma, neuroblastoma colorectal cancer melanoma cells

↑Microtubule damage

↑ROS,

↑Cell cycle arrest in G2/M phase

↑Caspases 3, 7

↑Apoptosis

↑Cytotoxicity

↓Cancer cells growth

↓Metastasis

↓Resistance to anticancer drug trastuzumab

[57,58,59]

Mebendazole

breast cancer, prostate cancer

colon cancer

ovarian cancer

thyroid cancer

Synergistic effects with docetaxel

↓Polymerization of tubulin

↑ Cell cycle arrest in G2/M phase

↑Caspase-3

↑Apoptosis

↑Cytotoxicity

↓ Cancer cells multiplication

↓ Tumor growth

↓Metastases

[63, 65, 68, 144]

Niclosamide

colorectal, breast, prostate and ovarian cancer

↑Cytotoxicity

↓Anaerobic metabolism, ↓glucose uptake in cancer cells

↓Signaling pathways associated with metastasis,

↓NF-κB,

↓Wnt/β-catenin, ↓STAT3

[145, 146]

Praziquantel

colorectal

adenocarcinoma,

gastrointestinal cancers

↓XIAP

↓Anti-apoptotic proteins

↓Caspases

↑Apoptosis

Synergic effects with paclitaxel

[53]

Eprinomectin

prostate cancer

↑Apoptosis

↑Caspases 3, 9

↓ROS

↑Mitotic cell arrest in G1 phase

↑Translocation of β-catenin

[87]

Ivermectin

colon, prostate, breast and gastric cancer

↓Cancer cells growth

↓AKT–mTOR

↓Wnt/β-catenin

↓PAK1

↓cyclin D

↓β-catenin

↓AKT/ERK//NF-kB

↓YAP1

↓CTGF

↓EGFR

[90, 147]

Nitazoxanide

epithelial cancer cells

↑Apoptosis

↓c-MYC

↓mTOR

↑DNA fragmentation and damage

[148]

Clioquinol

leukemic and myeloma malignant cells

↑Apoptosis

↓HDACs

↑Cell cycle arrest

↓p53, ↓p21

[95]

Chloroquine

pancreatic, liver cancer, cancer stem cells

breast cancer

↑Autophagy,

↓Janus kinase 2

↓DNA methylase 1

Synergistic effect in the combination with paclitaxel

↓Growth of cancer,

↓Signaling cascade of CXCL12/CXCR4

[149]

Antiviral

Ritonavir

breast, pancreatic, ovarian and lymphocytic leukemia

↓Akt phosphorylation

↑Apoptosis

↓Progression of cancer cells

[150]

Nelfinavir

ovarian, breast, lung cancer and liposarcoma

↑Apoptosis

↓Phosphorylation of Akt

↓STAT-3

↓Erk 1/2

[151]

Acyclovir

breast cancer

↓Cell proliferation

↑Apoptosis

↑Caspase-3

↓ALDH

↑Proteins expression of E-cadherin,

↓Proliferation rate,

↓Tumor growth

[125]

Ribavirin

human lymphocytes and human squamous cell carcinoma

↓Cyclin D1

↓Proteins cells,

↓elF4E and competing for guanylyl transferase

↓Translation of VEGF

↓mRNA, inhibit 5'-mRNA

[152]

Cidofovir

glioblastoma and epithelial cells cancer

↑Apoptosis

↑PARP

↑Caspases

↑Cell cycle arrest in S-phase ↓DNA synthesis

[153]

  1. Symbols: ↑increase, ↓decrease
  2. Abbreviations: Akt protein kinase B, ERK extracellular signal-regulated kinase, NF-Kb Nuclear factor kappa B, mTor mammalian target of rapamycin, ALDH aldehyde dehydrogenase, MMP-9 MATZRIX metalloproteinase-9, Atg7 Autophagy-related E1 ligase 7, Bax Bcl-2-associated X protein, Bcl2 B-cell leukemia/lymphoma 2 protein, Bcl-XL B-cell lymphoma-extralarge, CAFs cancer-associated fibroblasts, CDC–CDK cyclin-dependent kinase 1, CK2 protein kinase CK2(casein kinase 2), c-MYC cellular myelocytomatosis oncogene, CTGF connective tissue growth factor, CXCL12/CXCR4 stromal cell-derived factor-1 (CXCL12) and chemokine (C–X–C motif) receptor 4 (CXCR4) cyclin D, DAPK death-associated protein kinase, DNA deoxyribonucleic acid, DR4/5 death receptor 4, EGFR epidermal growth factor receptor, elF4E eukaryotic translation initiation factor 4E