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November 11, 2008Journal of Clinical Pharmacy and Therapeutics

A population pharmacokinetic model for high-dose methotrexate identified creatinine clearance and dose as the most significant factors affecting renal and non-renal clearance, respectively.

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Why the study?

What are the population pharmacokinetic parameters of high-dose methotrexate in Japanese adult patients with malignancies?

Population

51 Japanese adult patients with malignancies (contributing 348 serum samples and 416 urine samples)

Design

Other

Key result

A population pharmacokinetic model for high-dose methotrexate identified creatinine clearance and dose as the most significant factors affecting renal and non-renal clearance, respectively.

Authors

KFKazuhide FukuharaKIKazuro IkawaNMN. Morikawa

Discussion

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Overview

May support MTX dosing via CCR and dose; leaves open prospective validation before clinical use.

Study Design

Type

Observational (n=60)

Structured PICO

What are the population pharmacokinetic parameters of high-dose methotrexate in Japanese adult patients with malignancies?

P
Population
60 Japanese adult patients with malignancies whose serum and urine samples were used to develop and validate a population pharmacokinetic model for high-dose methotrexate.
E
Exposure
High-dose methotrexate (MTX)
O
Outcome
Population pharmacokinetic model parameters (renal and non-renal clearance, volume of distribution)surrogate

A newly developed population pharmacokinetic model for high-dose methotrexate incorporating serum and urine data improves the prediction of serum concentrations to help control toxic events in Japanese adult patients.

Cite This Study

Fukuhara et al. (2008) conducted an observational in Malignancies (n=60). High-dose methotrexate was evaluated on Population pharmacokinetic model parameters (renal and non-renal clearance). A population pharmacokinetic model for high-dose methotrexate identified creatinine clearance and dose as the most significant factors affecting renal and non-renal clearance, respectively.

synapsesocial.com/papers/6a6dd46d2163a0a01bc2fdbfhttps://doi.org/10.1111/j.1365-2710.2008.00966.x
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Development and validation of high-dose methotrexate population pharmacokinetic models to inform clinical decisions on dosing2026 · 1 citations
  2. 2A unified physiologically based pharmacokinetic model for low-to-high oral, subcutaneous, and intravenous dose of methotrexate in humans2026 · 1 citations
  3. 3B-280 Nmr-based biomaker measurement determines high-dose methotrexate elimination rates in lymphoma and leukemia treatment2024
  4. 4Population pharmacokinetic analysis of factors affecting the clearance of methotrexate polyglutamates in red blood cells in Japanese patients with rheumatoid arthritis2026
  5. 5Pharmacokinetics and Monitoring of Methotrexate in Adults with Acute Lymphoblastic Leukaemia: A 10-Year Follow-Up at an Italian Centre2025 · 2 citations