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The Value of Liquid Biopsies for Guiding Therapy Decisions in Non-small Cell Lung Cancer.

ABSTRACT: Targeted therapies have allowed for an individualized treatment approach in non-small-cell lung cancer (NSCLC). The initial therapeutic decisions and success of targeted therapy depend on genetic identification of personal tumor profiles. Tissue biopsy is the gold standard for molecular analysis, but non-invasive or minimally invasive liquid biopsy methods are also now used in clinical practice, allowing for later monitoring and optimization of the cancer treatment. The inclusion of liquid biopsy in the management of NSCLC provides strong evidence on early treatment response, which becomes a basis for determining disease progression and the need for changes in treatment. Liquid biopsies can drive the decision making for treatment strategies to achieve better patient outcomes. Cell-free DNA and circulating tumor cells obtained from the blood are promising markers for determining patient status. They may improve cancer treatments, allow for better treatment control, enable early interventions, and change decision making from reactive actions toward more predictive early interventions. This review aimed to present current knowledge on and the usefulness of liquid biopsy studies in NSCLC from the perspective of how it has allowed individualized treatments according to gene profiling and how the method may alter the treatment decisions in the future.

SUBMITTER: Saarenheimo J

PROVIDER: S-EPMC6411700 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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The Value of Liquid Biopsies for Guiding Therapy Decisions in Non-small Cell Lung Cancer.

Saarenheimo Jatta J Eigeliene Natalja N Andersen Heidi H Tiirola Marja M Jekunen Antti A

Frontiers in oncology 20190305

Targeted therapies have allowed for an individualized treatment approach in non-small-cell lung cancer (NSCLC). The initial therapeutic decisions and success of targeted therapy depend on genetic identification of personal tumor profiles. Tissue biopsy is the gold standard for molecular analysis, but non-invasive or minimally invasive liquid biopsy methods are also now used in clinical practice, allowing for later monitoring and optimization of the cancer treatment. The inclusion of liquid biops ...[more]

PMID: 30891428

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Project description:INTRODUCTION:Advanced non-small cell lung cancer (NSCLC) is a severe disease with burdensome symptoms and traditionally poor outcomes. The treatment of advance disease is based on chemotherapy, with the recent addition of immunotherapy. Patients who respond to initial treatment can opt to receive maintenance therapy (MT). It is important to understand why patients with advanced NSCLC choose to accept or refuse therapy, and how physician recommendations play into this decision-making process. This study characterized patient and physician decision-making regarding treatment for patients with advanced non-squamous NSCLC in the USA using the example of MT. METHODS AND MATERIALS:This study employed multiple approaches: patient interviews, a patient survey, and a physician survey. Qualitative interviews were conducted among patients who had been offered MT to identify factors influencing treatment decision-making. The patient survey explored the decision-making process and quantified challenges and motivators for receiving MT. The physician survey included a discrete choice experiment to understand the relationship between physician treatment recommendations and patient characteristics. RESULTS:Interviewed patients (n?=?10) were motivated to receive MT in the hope of extending their lives and being proactive against their cancer, and they anticipated reduced adverse effects compared with first-line therapy. Surveyed patients (n?=?77) described several deterrents to receiving therapy; the most prominent was severity of adverse effects, which was an influencing factor for 34% of patients. The major motivator for receiving therapy was the potential to extend life, which influenced 97% of patients. A total of 100 oncologists participated in the physician survey. Patients' lack of treatment motivation/inconvenience, disease progression, presence of severe renal co-morbidities, and older age decreased the likelihood of physicians recommending the use of MT. CONCLUSION:This study identified challenges and motivators influencing advanced NSCLC patients' decisions to accept or refuse therapy, as well as patient and disease characteristics associated with physician's treatment recommendations for MT.

Dataset Information

The Value of Liquid Biopsies for Guiding Therapy Decisions in Non-small Cell Lung Cancer.

Publications

The Value of Liquid Biopsies for Guiding Therapy Decisions in Non-small Cell Lung Cancer.

Similar Datasets

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