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Purpose

Lung cancer remains one of the leading causes of cancer-related mortality worldwide. It is the third cause of death among patients with cancer in Puerto Rico (PR) and non–small cell lung cancer (NSCLC) is the most prevalent. This study aims to describe the first-line treatment (1LT) and health care resource utilization (HCRU) among patients with NSCLC in PR.

Methods

A retrospective cohort study was conducted using the PR Central Cancer Registry Health Insurance Linkage Database to describe patients with NSCLC from 2012 to 2016. It describes sociodemographic and clinical characteristics on the basis of stage and histology and includes 1LT patterns and HCRU.

Results

A total of 1,011 patients met the inclusion criteria. Most were male (57.1%), married (54.1%), and had no comorbidities (55.8%). A significant proportion of patients (71.1%) were diagnosed at stages III and IV, with nonsquamous cell carcinoma being the most prevalent histology group (75.9%). About 61.7% received systemic therapy, 36.7% received radiotherapy, and 21.9% underwent surgery. Platinum (Pt)-based combinations were the most common 1LT (82.9%). On average, patients had 4.7 emergency room visits, nearly six hospitalizations, and 22.4 outpatient visits annually. The mean frequencies of positron emission tomography, ultrasounds, computerized tomography scans, and magnetic resonance imaging were 0.95, 0.11, 4.88, and 0.91, respectively.

Conclusion

To our knowledge, this study provides the first description of 1LT patterns, HCRU, and sociodemographic information among patients with NSCLC in PR. A significant number of patients were diagnosed at stage III or higher and received Pt-based systemic therapy as their 1LT. More research is required to investigate treatment patterns beyond the 1LT and to gain a comprehensive understanding of optimal care interventions and factors associated with early NSCLC diagnosis.

Read a Q&A related to the study here.