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Updated: Sep 18, 2025

Author Spotlight: Advancements in Molecular Biomarker Testing for Non-Squamous Non-Small Cell Lung Cancer
Published on: September 8, 2023
Molecular Diagnosis, Clinical Trial Representation, and Precision Medicine in Minority Patients with Oncogene-Driven
Ahan Bhatt1,2, Nang Yone2, Mumtu Lalla2,3,4
1Department of Internal Medicine, NYC Health + Hospitals/Jacobi Medical Center, Bronx, New York, NY 10461, USA.
Abstract:
Lung cancer remains the leading cause of cancer-related death in the US and worldwide. Recent advances in molecular profiling and targeted therapies have revolutionized the management of non-small cell lung cancer (NSCLC), particularly in oncogene-driven subtypes. These therapies selectively target key molecular alterations in EGFR, ALK, KRAS, ROS1, MET, RET, ERBB2 (HER2), BRAF V600E, and NTRK, resulting in substantial improvements in survival rates and quality of life for lung cancer patients. However, disparities in molecular diagnostics and precision treatments persist, disproportionately affecting minority patients. These inequities include underrepresentation in clinical trials, disparities in molecular testing, and barriers to treatment access. The limited participation of racial and ethnic minorities in landmark clinical trials raises concerns about the generalizability of findings and their applicability to diverse populations. In this review, we examine the current landscape of molecular diagnosis and precision medicine in minority patients with oncogene-driven lung cancer, highlighting challenges, opportunities, and future directions for achieving equity in precision oncology. Additionally, we discuss differences in the prevalence of oncologic driver mutations across populations and emphasize the urgent need for greater diversity in clinical research. Addressing these gaps is critical to improving survival outcomes and ensuring equitable access to personalized lung cancer care for all patients.
Insights
Precision medicine has improved lung cancer survival, but minority patients face disparities in testing and treatment access. Greater diversity in clinical research is crucial for equitable, personalized lung cancer care.
Area of Science:
- Oncology
- Genetics
- Public Health
Background:
- Lung cancer is a leading cause of cancer death globally.
- Advances in molecular profiling have led to targeted therapies for oncogene-driven non-small cell lung cancer (NSCLC).
- Existing disparities disproportionately affect minority patients in diagnostics and treatment access.
Purpose of the Study:
- To review the current state of molecular diagnostics and precision medicine for minority patients with oncogene-driven lung cancer.
- To highlight challenges and opportunities in achieving equity in precision oncology.
- To discuss population-specific differences in oncogenic driver mutations and the need for diverse clinical research.
Main Methods:
- Literature review of molecular diagnostics and targeted therapies in NSCLC.
- Analysis of disparities in clinical trial participation and treatment access for minority populations.
- Examination of oncogenic driver mutation prevalence across diverse patient groups.
Main Results:
- Targeted therapies for specific mutations (EGFR, ALK, KRAS, etc.) have improved outcomes in NSCLC.
- Minority patients experience underrepresentation in clinical trials and face barriers to molecular testing and treatment.
- Prevalence of oncologic driver mutations varies across different populations.
Conclusions:
- Achieving equity in precision oncology requires addressing disparities in molecular testing and treatment access.
- Increased diversity in clinical research is essential to ensure findings are generalizable to all populations.
- Equitable access to personalized lung cancer care is critical for improving survival outcomes for all patients.
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