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Evaluating clinical impact of a shortened infusion duration for ramucirumab: a model-based approach
Ling Gao1, Yiu-Keung Lau1, Ran Wei1
1Eli Lilly and Company, Lilly Corporate Center, Indianapolis, IN, 46285, USA.
Purpose:
We investigated the impact of infusion duration (30 and 60 min) on the pharmacokinetic profile of ramucirumab using a population pharmacokinetic (PopPK) modeling approach. We also assessed the relationship between infusion rate and incidence of immediate infusion-related reactions (IRRs; occurring on the day of administration) using ramucirumab phase II/III study data.
Methods:
The impact of different infusion durations (30 vs. 60 min) on the time-course of ramucirumab concentration profiles were evaluated using a PopPK model, established using ramucirumab pharmacokinetic data from 2522 patients. Logistic regression was used to evaluate the association between ramucirumab infusion rate and incidence of immediate IRRs in clinical trials.
Results:
Ramucirumab time-course concentration profiles were equivalent following a 30- or 60-min infusion. In the pooled clinical study dataset, 254 of 3216 (7.9%) patients receiving ramucirumab experienced at least one immediate IRR (any grade). When grouped according to infusion rate quartile, the incidence of immediate IRRs (any grade or grade ≥ 3) was similar across quartiles; findings were confirmed in sensitivity analyses. The risk of immediate IRRs was not found to be associated with infusion rate based on multivariate logistic analysis.
Conclusion:
Shortening the infusion duration of ramucirumab from 60 to 30 min has no impact on ramucirumab exposure. Analysis of trial data found no relationship between an increased risk of immediate IRRs and a faster infusion rate. Such a change in infusion duration is unlikely to affect the clinical efficacy or overall safety profile of ramucirumab.
Insights
Shortening ramucirumab infusion time to 30 minutes does not affect drug exposure or increase infusion-related reactions. This change is unlikely to impact ramucirumab efficacy or safety.
Area of Science:
- Pharmacokinetics and Pharmacodynamics
- Oncology Drug Administration
- Clinical Trial Analysis
Background:
- Ramucirumab is an angiogenesis inhibitor used in cancer treatment.
- Optimizing drug administration, including infusion duration, is crucial for patient safety and treatment efficacy.
- Understanding infusion-related reactions (IRRs) is important for managing cancer therapies.
Purpose of the Study:
- To evaluate the impact of shortening ramucirumab infusion duration from 60 to 30 minutes on its pharmacokinetic profile.
- To assess the relationship between ramucirumab infusion rate and the incidence of immediate infusion-related reactions (IRRs).
Main Methods:
- Population pharmacokinetic (PopPK) modeling was used to analyze ramucirumab concentration profiles with different infusion durations.
- Logistic regression analysis was applied to clinical trial data to correlate infusion rates with IRR incidence.
- Data from 2522 patients were used for PopPK modeling, and pooled data from clinical studies were used for IRR analysis.
Main Results:
- Ramucirumab concentration-time profiles were equivalent for both 30-minute and 60-minute infusion durations.
- The incidence of immediate IRRs (any grade or grade ≥3) was similar across different infusion rate quartiles.
- Multivariate logistic analysis did not reveal an association between faster ramucirumab infusion rates and an increased risk of immediate IRRs.
Conclusions:
- Shortening ramucirumab infusion duration to 30 minutes does not alter ramucirumab exposure.
- There is no evidence of increased risk for immediate IRRs with faster infusion rates.
- Changing the infusion duration is unlikely to affect the overall clinical efficacy or safety of ramucirumab.
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