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Updated: May 9, 2025

Pre-clinical Evaluation of Tyrosine Kinase Inhibitors for Treatment of Acute Leukemia
Published on: September 18, 2013
Incidence Status and Factors Associated With Tyrosine Kinase Inhibitor-Induced Hypertension in Patients With Renal
Satoru Nakanishi1, Keisuke Ikegami1, Shungo Imai1
1Division of Drug Informatics, Keio University Faculty of Pharmacy, Tokyo, Japan.
Background:
Although hypertension is a common side effect of tyrosine kinase inhibitor (TKI) treatment for renal cell carcinoma (RCC), there is limited evidence regarding its occurrence and related risk factors. Preliminary studies suggest that proton pump inhibitors (PPIs) may mitigate the risk of TKI-induced hypertension; however, their clinical effectiveness remains unclear.
Aims:
In this study, we examined the prevalence of TKI-induced hypertension and the patterns of antihypertensive prescriptions among patients with RCC in Japan. Additionally, we investigated factors associated with TKI-induced hypertension to assess the potential impact of PPIs.
Methods And Results:
Data from patients diagnosed with RCC who were prescribed TKIs between April 2008 and July 2021 were retrospectively gathered from a Japanese administrative database. TKI-induced hypertension was detected following the diagnosis of hypertension and subsequently the prescription of an antihypertensive agent during TKI therapy. The prescription details for antihypertensive agents were organized in a tabular format. Cox proportional hazards regression analysis was conducted to examine factors contributing to TKI-induced hypertension. Among the 225 patients analyzed, 36.4% experienced hypertension, and calcium channel blockers were the most prescribed antihypertensive agents. Pre-existing hypertension was identified as a risk factor for TKI-induced hypertension, while the concurrent use of PPIs did not show a tendency to reduce the risk of TKI-induced hypertension.
Conclusions:
These findings indicate the importance of blood pressure management in patients with elevated baseline blood pressure.
Insights
Tyrosine kinase inhibitor (TKI) treatment for renal cell carcinoma (RCC) can cause hypertension. Pre-existing hypertension is a risk factor, but proton pump inhibitors (PPIs) did not reduce this risk in Japanese patients.
Area of Science:
- Oncology
- Pharmacology
- Nephrology
Background:
- Hypertension is a common side effect of tyrosine kinase inhibitor (TKI) therapy for renal cell carcinoma (RCC).
- Limited evidence exists on TKI-induced hypertension risk factors and the potential protective role of proton pump inhibitors (PPIs).
Purpose of the Study:
- To determine the prevalence of TKI-induced hypertension in Japanese RCC patients.
- To analyze antihypertensive prescription patterns.
- To investigate risk factors, including PPI use, for TKI-induced hypertension.
Main Methods:
- Retrospective analysis of a Japanese administrative database (April 2008 - July 2021).
- Inclusion of 225 RCC patients treated with TKIs.
- Cox proportional hazards regression to identify contributing factors.
Main Results:
- Hypertension occurred in 36.4% of patients.
- Calcium channel blockers were the most frequently prescribed antihypertensive agents.
- Pre-existing hypertension was a significant risk factor; PPI use did not reduce hypertension risk.
Conclusions:
- Blood pressure management is crucial for RCC patients, especially those with elevated baseline blood pressure.
- The findings highlight the need for vigilant monitoring and management of hypertension during TKI therapy.
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