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Gastric Cancer

, Volume 21, Issue 5, pp 831–844 | Cite as

Ramucirumab for the treatment of patients with gastric or gastroesophageal junction cancer in community oncology practices

  • A. Scott Paulson
  • Lisa M. Hess
  • Astra M. Liepa
  • Zhanglin Lin Cui
  • Kathleen M. Aguilar
  • Jamyia Clark
  • William Schelman
Original Article
  • 311 Downloads

Abstract

Background

Limited real-world research has investigated ramucirumab for the treatment of patients with gastric or gastroesophageal junction (GEJ) cancer. This study was designed to describe ramucirumab monotherapy or combination therapy use in a community oncology practice setting.

Methods

This was a retrospective observational cohort study to describe the treatment of adult patients with gastric or GEJ cancer who initiated ramucirumab treatment between 4/21/14 and 6/30/16 within the US Oncology Network. Kaplan–Meier method and Cox proportional hazards regression analyses were used to assess clinical outcomes. Multivariable logistic regression models were used to assess patient-level predictors of ramucirumab monotherapy or combination therapy.

Results

A total of 505 patients (mean age 64.4 years; 75.1% male) were included in the analysis; subgroups included: monotherapy (22.8%; n = 115), combination therapy (77.2%; n = 390). Monotherapy patients were significantly older (67.7 vs. 63.4 years; P = 0.0006), received ramucirumab approximately 3 months later after diagnosis (16.9 vs. 14.1 months; P = 0.0318) and more frequently initiated ramucirumab in the third or later lines of treatment (38.3 vs. 8.2%; P<0.0001) than patients receiving combination therapy. Median overall survival (OS) for monotherapy and combination therapy from the start of second-line therapy was 5.5 months (confidence interval [CI] 4.3, 7.8) and 7.4 months (CI 6.6, 8.8), respectively.

Conclusions

The results showed that patients who received ramucirumab monotherapy started ramucirumab therapy later after diagnosis and were older than those who received ramucirumab in combination. Additionally, survival data suggest that outcomes observed in community oncology practices are similar to data from phase 3 clinical trials.

Keywords

Gastric cancer Gastroesophageal junction cancer Ramucirumab Outcomes research Overall survival 

Notes

Compliance with ethical standards

Funding

This study was funded Eli Lilly and Company.

Conflict of Interest

Dr. Paulson has advisory board roles at Taiho, Merrimack, Bristol Myers Squibb, and Advanced Accelerator Application, as well as owns stock in Juno and Immunomedics. Dr. Hess is employed by Eli Lilly and Company. Dr. Liepa is employed by and owns stock in Eli Lilly and Company. Dr. Cui is employed by and owns stock in Eli Lilly and Company. Ms. Aguilar is employed by McKesson Specialty Health and provided research consulting services to Eli Lilly and Company. Ms. Clark is employed by McKesson Specialty Health, owns stock in McKesson and provided research consulting services to Eli Lilly and Company. Dr. Schelman is employed by and owns stock in Eli Lilly and Company.

Ethical standards

Institutional Review Board and Compliance/Privacy approval was gained prior to initiation of the retrospective research. Since this project involved the analysis of existing data and records, study information was analyzed in such a manner that research participants could not be directly identified. Patient informed consent was not required due to the nature of the study design. Thus, exemption status and a waiver of informed consent were approved by The US Oncology, Inc. Institutional Review. Data was handled in compliance with HIPAA and Health Information Technology for Economic and Clinical Health (HITECH).

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Copyright information

© The International Gastric Cancer Association and The Japanese Gastric Cancer Association 2018

Authors and Affiliations

  • A. Scott Paulson
    • 1
  • Lisa M. Hess
    • 2
  • Astra M. Liepa
    • 2
  • Zhanglin Lin Cui
    • 2
  • Kathleen M. Aguilar
    • 3
  • Jamyia Clark
    • 3
  • William Schelman
    • 2
  1. 1.Texas Oncology-Baylor Charles A. Sammons Cancer CenterDallasUSA
  2. 2.Eli Lilly and CompanyIndianapolisUSA
  3. 3.McKesson Specialty HealthThe WoodlandsUSA

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