Abstract
Background
Regulatory agencies as well as private organizations pursue programs that advocate patient centricity and emphasize the importance of dialog with patients. Various methods are applied to elicit the preferences of patients regarding the aspects of treatment they lend more importance to. Decisions on treatment choices are critical to patients with lung cancer because of their poor prognosis and the serious trade-off between safety and efficacy in traditional cytotoxic chemotherapy.
Methods
We conducted a systematic literature review of quantitative patient preference studies of patients with lung cancer. Our exhaustive search of MEDLINE, CINAHL, EMBASE, PLOS, and SpringerLink identified 15 relevant studies published from January 2000 to April 2020 that enabled us to assess the relative importance of treatment attributes according to lung cancer patients’ perspective.
Results
The literature review revealed that patients with lung cancer tend to place a higher weight on efficacy and quality of life (QoL) attributes than on other attributes. Overall survival was found to be the most important among the efficacy attributes. The consequences of adverse events seemed less important than the possible efficacy from therapies. The clinical utility of treatment, such as the route of administration, was generally not considered important. It remains inconclusive whether sociodemographic factors and/or medical history affect the relative importance of a patient’s preference.
Conclusion
Our systematic review clarified that patients generally prefer a better efficacy profile to a better safety profile, which underscores the importance of improved benefits in anti-lung cancer drug development.
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Availability of Data and Material
All data generated or analyzed during this systematic review study are included in this published article.
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Authors and Affiliations
Contributions
YS and SO contributed to the study conception and design. Material preparation, data collection, and analysis were performed by YS. The independent systematic review was performed by NS. The first draft of the manuscript was written by YS, and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Conflict of interest
YS and NS are full-time employees at Chugai Pharmaceutical Co., Ltd. All authors have no other relevant conflicts of interest to disclose.
Funding
This work was conducted as part of the authors'employment with their organisations.
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Appendix
Appendix
The literature search strategies for the databases are detailed below. All searches were conducted on June 3, 2020.
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a.
MEDLINE
(“conjoint analysis”[All Fields] OR “conjoint analyses”[All Fields] OR “choice behavior”[All Fields] OR “stated preference”[All Fields] OR “discrete choice”[All Fields] OR “latent class analysis”[All Fields] OR “latent class analyses”[All Fields]) AND “Lung Neoplasms”[MeSH] AND (“2000/01/01”[PDAT]: “2020/04/30”[PDAT])
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b.
CINAHL
Published date ranged from 20000101 to 20200430 and (“conjoint analysis” OR “conjoint analyses” OR “choice behavior” OR “stated preference” OR “discrete choice” OR “latent class analysis” OR “latent class analyses”) AND (“lung neoplasms” OR “lung tumor” OR “lung cancer” OR “lung tumour”)
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c.
EMBASE
(“conjoint analysis” OR “conjoint analyses” OR “choice behavior” OR “stated preference” OR “discrete choice” OR “latent class analysis” OR “latent class analyses”) AND (“lung tumor”/exp OR “lung tumor”) AND [2000-2020]/py
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d.
PLOS
Published date ranged from 2000-01-01 to 2020-04-30 and (everything:”conjoint analysis” OR everything:”conjoint analyses” OR everything:”choice behavior” OR everything:”stated preference” OR everything:”discrete choice” OR everything:”latent class analysis” OR everything:”latent class analyses”) AND (everything:”lung neoplasms” OR everything:”lung tumor” OR everything:”lung cancer” OR everything:”lung tumour”)
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e.
SpringerLink
Published date ranged from 2000 to 2020 and (“conjoint analysis” OR “choice behavior” OR “stated preference” OR “discrete choice” OR “latent class analysis”) AND (“lung neoplasms” OR “lung tumor” OR “lung cancer” OR “lung tumour”).
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Sugitani, Y., Sugitani, N. & Ono, S. Quantitative Preferences for Lung Cancer Treatment from the Patients’ Perspective: A Systematic Review. Patient 13, 521–536 (2020). https://doi.org/10.1007/s40271-020-00434-7
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DOI: https://doi.org/10.1007/s40271-020-00434-7