Table 2.
Cancer | Patients No. | Study type | Therapeutic regimen of ITZ | Reported pathway | Treatment effects | Adverse effects | References |
Basal cell carcinoma | 29 (19 treated, 10 controls) | Phase 2 | 200 mg twice daily for 1 month, or 100 mg twice daily for average 2.3 months | Hh pathway inhibition | Cell proliferation inhibited by 45%, and tumor area reduced by 24% | Fatigue (grade 2), and heart failure (grade 4) | 6 |
Metastatic basal cell carcinoma | 5 | Phase 2 | 400 mg daily on days 6–18, with arsenic trioxide on days 1–5 | Hh pathway inhibition | GLI1 mRNA reduced by 75% | Fatigue (grade 2), and heart failure (grade 4) | 107 |
Advanced basal cell carcinoma | 1 | Case report | 200 mg daily for 2 weeks with 200 mg daily of sonidegib after failure with vismodegib | Hh pathway inhibition | Tumor regressed | — | 7 |
Stage III unresectable pancreatic adenocarcinoma | 1 | Case report | 200 mg daily for 9 months | Hh pathway inhibition | Tumor size reduced and resected | — | 3 |
Metastatic pancreatic cancer | 38 | Retrospective analysis | 400 mg daily on days −2 to +2 in combination with other chemotherapy (docetaxel, gemcitabine and carboplatin) every 2 weeks for 3–11 cycles | Hh pathway inhibition, angiogenesis and P-gp inhibition | The mean overall survival was 11.4 months | — | 103 |
Biochemically recurrent prostate cancer | 1 | Case report | 600 mg daily for 5 months | — | PSA fell by >50% | Hypoaldosteronism, hyperbilirubinaemia | 98 |
Metastatic castration-resistant prostate cancer | 46 (17 in low dose group, 29 in high dose group) | Phase 2 | Low dose: 200 mg daily; High dose: 600 mg daily until disease progression or toxicity | Hh pathway inhibition | Disease progression in 15 (low dose) and 22 (high dose) | Fatigue, anorexia, rash, hypertension, and hypokalaemia (all in Grade 3) | 11 |
Progressive nonsquamous non-small -cell lung cancer | 23 (15 treated with ITZ, 8 controls) | Phase 2 | pemetrexed 500 mg/m2 on day 1, with or without ITZ 200 mg daily, on a 21-day cycle, for 3 months | — | Overall survival longer | — | 104 |
Recurrent clear cell ovarian carcinoma | 9 | Retrospective analysis | 400 mg daily on days −2 to +2 with chemotherapy (docetaxel and carboplatin) on day 1, repeated every 2 weeks | — | The overall survival was 1047 days, and progression free survival was 544 days | Deranged liver function (Grade 1), and anorexia (Grade 2) | 95 |
Recurrent triple-negative breast cancer | 13 | Retrospective analysis | 400 mg daily on days −2 to +2 with chemotherapy (docetaxel and carboplatin) on day 1, repeated every 2 weeks | — | The overall survival was longer for 20.4 months, and progression free survival was 10.8 months | Fatigue, insomnia, nausea, and vomiting | 102 |
Abbreviations: ITZ, itraconazole; Hh pathway, hedgehog pathway; GLI, glioma-associated oncogene homolog.