A Randomized, Double-Blind, Placebo-Controlled Phase II Study of Vandetanib Plus Docetaxel/Prednisolone in Patients with Hormone-Refractory Prostate Cancer

Horti, J.; Widmark, Anders; Stenzl, Arnulf; Federico, Miriam Hatsue Honda; Abratt, Raymond P.; Sanders, Nick; Pover, G.; Bodrogi, I.

doi:10.1089/cbr.2008.0588

Cited by 43 publications

(18 citation statements)

References 24 publications

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“…The highest occurrence (30.8%; 95% CI, 26.7-35.0%) was seen in a Phase III trial for ovarian cancer [69], whereas the lowest overall incidence was detected in ten trials that reported no sign of high-grade hypertensive events [27, 33, 36, 46, 56, 62, 63, 75, 78, 85]. A random-effects model (c 2 -based Q-statistic test: q = 1065.86; P < 0.001; I 2 = 93.4%) revealed that the total occurrence of all-grade hypertensive occasions in cancer patients treated with VEGFR-TKIs was 4.4% (3.7-5.0%, 95% CI, Supplementary Table 4 and Figure S2).…”

Section: Resultsmentioning

confidence: 99%

Incidence and risk of hypertension associated with vascular endothelial growth factor receptor tyrosine kinase inhibitors in cancer patients: a comprehensive network meta-analysis of 72 randomized controlled trials involving 30013 patients

et al. 2016

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BackgroundTyrosine kinase inhibitors (TKIs) have been developed during the last decade that target the vascular endothelial growth factor receptor (VEGFR) are currently being evaluated as treatments for malignant tumors. The increased application of VEGFR-TKIs means that the probability of hypertension is a serious concern. However, the reported incidence varies markedly between clinical trials. Here, we undertook an up-to-date, comprehensive meta-analysis on clinical works to build the incidence of hypertension along with VEGFR-TKIs. The goal was to understand better of the overall venture of cancer patients’ hypertension treated with these drugs.MethodsDatabases (EMBASE, PubMed, and Cochrane library) and the abstracts of the American Society of Clinical Oncology annual meeting and European Society of Medical Oncology were searched to identify related studies. 95% confidence intervals (CIs), summary incidences, and relative risk (RR) were calculated utilizing either fixed-effects models on the basis of the heterogeneity of the included studies or random-effects.ResultsSeventy-two randomized controlled trials (including 30013 patients) were involved. The total incidence of high-grade and all-grade hypertensive events along with VEGFR-TKIs was 23.0% (95% CI, 20.1–26.0%) and 4.4% (95% CI, 3.7–5.0%), respectively. The use of VEGFR-TKIs remarkably enhanced the venture of developing high-grade (RR, 4.60; 95% CI, 3.92–5.40; P < 0.001) and all-grade (RR, 3.85; 95% CI, 3.37–4.40; P < 0.001) hypertensive events. Subgroup analyses revealed that the risk of a hypertensive event varied significantly in accordance with tumor type, VEGFR-TKI, trial phase, VEGFR-TKIs-based regimen, control therapy, and chemotherapy regimen.ConclusionsPatients with cancer that receive VEGFR-TKIs are at a remarkable venture of developing hypertension. Therefore, suitable treatment and monitoring should be introduced to avoid cardiovascular complications.

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Section: Resultsmentioning

confidence: 99%

Incidence and risk of hypertension associated with vascular endothelial growth factor receptor tyrosine kinase inhibitors in cancer patients: a comprehensive network meta-analysis of 72 randomized controlled trials involving 30013 patients

et al. 2016

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“…Figure 1 outlined the selection process in detail. These trials represented three studies with sorafenib, 21,31,32 three with sunitinib, 20,33,34 three with vandetanib [35][36][37] and five with pazopanib. 2,[38][39][40][41] The characteristics of each included trial were presented in Table 2.…”

Section: Resultsmentioning

confidence: 99%

Risk of venous thromboembolic events associated with VEGFR‐TKIs: A systematic review and meta‐analysis

Min

Shen

et al. 2012

Intl Journal of Cancer

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Vascular endothelial growth factor receptor (VEGFR) tyrosine kinase inhibitors (TKIs) have been widely used in advanced cancers. Concerns have arisen regarding the risk of venous thromboembolism with the use of these drugs. Currently, the contribution of VEGFR-TKIs to venous thromboembolism is still unknown. We performed a meta-analysis to determine the incidence and relative risk (RR) of venous thromboembolism events (VTEs) associated with these agents. Eligible studies included phase II and III prospective trials evaluating US Food and Drug Administration approved VEGFR-TKIs (pazopanib, sunitinib, sorafenib and vandetanib), and data on VTEs were available. Overall incidence rates, RR and 95% confidence intervals (CI) were calculated employing fixed-or random-effects models depending on the heterogeneity of included trials. A total of 14 studies (4,430 patients) were selected for this meta-analysis. The incidence of VTEs related to VEGFR-TKIs was 3% (95%CI: 1.7-5.1%), and there was no statistically significant increase in the risk of VTEs for VEGFR-TKIs versus controls in overall population (RR0.912, 95%CI: 0.617-1.348, p 5 0.643). On subgroup analysis, no significant increase in the risk of VTEs was found among different VEGFR-TKIs or tumor types. No evidence of publication bias was observed. The use of VEGFRTKIs does not significantly increase the risk of VTEs, the risk of VTEs in patients with cancer is driven predominantly by tumor types, host factors and concomitant usage of anticancer agents. These results would provide important information for clinicians who use VEGFR-TKIs to treat patients with solid cancer.

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“…Horti et al . [52] conducted a randomized, double-blind, phase II study, investigating vandetanib (100 mg/day) vs. placebo, in combination with docetaxel (75 mg/m² every three weeks) and prednisolone (10 mg/day). This study included 86 patients with metastatic HRPC.…”

Section: Results Of the Main Clinical Studies Of Therapies Targetimentioning

confidence: 99%

EGFR Targeting in Hormone-Refractory Prostate Cancer: Current Appraisal and Prospects for Treatment

et al. 2010

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The incidence of prostate cancer increases with age and because of its high prevalence this disease has become a major public health concern. Despite advances in our understanding of the biological mechanisms responsible for the development of this cancer, the transition to the hormone refractory stage (HRPC) and metastatic progression pose real problems of clinical management. Currently, docetaxel chemotherapy has been shown to have a slight but significant impact on survival, though the gain in median survival is still less than three months. Research is therefore continuing to improve treatment outcomes. The progression of prostate cancer is accompanied by the overexpression of EGFR (epidermal growth factor receptor) in a very large majority of cases, suggesting that this may play a mechanistic role. Unfortunately, although preclinical findings seem to be promising for therapies targeting the EGFR in HRPC, current clinical results are disappointing. These results should however encourage us to look for different ways of using anti-EGFR agents or combining them with other targeted therapies.

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A Randomized, Double-Blind, Placebo-Controlled Phase II Study of Vandetanib Plus Docetaxel/Prednisolone in Patients with Hormone-Refractory Prostate Cancer

Cited by 43 publications

References 24 publications

Incidence and risk of hypertension associated with vascular endothelial growth factor receptor tyrosine kinase inhibitors in cancer patients: a comprehensive network meta-analysis of 72 randomized controlled trials involving 30013 patients

Incidence and risk of hypertension associated with vascular endothelial growth factor receptor tyrosine kinase inhibitors in cancer patients: a comprehensive network meta-analysis of 72 randomized controlled trials involving 30013 patients

Risk of venous thromboembolic events associated with VEGFR‐TKIs: A systematic review and meta‐analysis

EGFR Targeting in Hormone-Refractory Prostate Cancer: Current Appraisal and Prospects for Treatment

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