The utility of H2 receptor antagonists in preventing infusion‐related reactions to paclitaxel chemotherapy

Author:

Tsang Corey12ORCID,Robinson Jessica1,Wheatley‐Price Paul F.3,Brule Stephanie Y.3,Moore Sara M.3

Affiliation:

1. Pharmacy Department The Ottawa Hospital Ottawa Ontario Canada

2. School of Pharmaceutical Sciences University of Ottawa Ottawa Ontario Canada

3. Ottawa Hospital Research Institute Ottawa Ontario Canada

Abstract

AbstractBackgroundPaclitaxel has a risk of infusion‐related reactions (IRRs) and despite no prospective evidence, is often given with premedication including a corticosteroid, H1 antagonist, and H2 antagonist (H2RA). Backorders impacted the supply of intravenous H2RAs at our center, and it was removed as routine premedication. The authors compared the incidence of IRR in patients treated without H2RA to patients receiving standard H2RA premedication.MethodsThe authors reviewed outpatients starting paclitaxel at the Ottawa Hospital from December 2019 to October 2021. Two cohorts were created: patients treated without H2RA premedication (intervention), and those receiving standard H2RA (control). Demographics, treatment, and IRR information were collected retrospectively. Primary end point was rate of grade ≥2 IRRs during first two doses of paclitaxel.ResultsA total of 182 patients were treated without H2RA premedication, compared to 184 control patients treated during non‐backorder periods. Baseline characteristics included: median age, 63 years; 86% female; and primary tumor 52% breast/24% gynecologic/10% gastric/esophageal/8% lung/6% other. There were no significant differences between cohorts in baseline characteristics. There was no difference in the rate of grade ≥2 IRR between cohorts; 12.1% (22 of 182; 95% confidence interval [CI], 7.7%–17.7%) for patients treated without H2RA, and 15.1% (28 of 185; 95% CI, 10.3%–21.1%) for control patients. The rate of grade ≥3 IRRs were also similar, 4.4% in intervention cohort versus 3.8% in control cohort.ConclusionsThe removal of H2RAs from premedication for paclitaxel did not result in an increased incidence of IRRs. The use of H2RAs in preventing IRRs to paclitaxel should be re‐evaluated.

Publisher

Wiley

Subject

Cancer Research,Oncology

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