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NGS Testing for Lung Cancer

NGS Testing for Lung Cancer

NGS Testing for Lung Cancer

In recent years, the landscape of lung cancer diagnosis and treatment has undergone a profound transformation, largely propelled by advances in genomic technologies. Among these, Next-Generation Sequencing (NGS) has emerged as a powerful tool, revolutionizing the field of precision medicine. This article explores the pivotal role of NGS testing in the diagnosis and treatment of lung cancer, highlighting its impact on personalized therapeutic strategies and patient outcomes.

Understanding Lung Cancer

Lung cancer remains one of the leading causes of cancer-related mortality worldwide, with non-small cell lung cancer (NSCLC) comprising the majority of cases. Traditionally, treatment decisions in lung cancer relied on histological classification and staging. However, this approach fails to capture the molecular heterogeneity inherent in the disease, limiting treatment efficacy.

The Promise of Precision Medicine

Precision medicine aims to tailor therapeutic interventions based on the unique genetic makeup of individual patients. NGS enables comprehensive profiling of cancer genomes, uncovering actionable mutations and driving the development of targeted therapies. By elucidating the molecular drivers of tumorigenesis, NGS empowers clinicians to make informed treatment decisions, maximizing therapeutic efficacy while minimizing adverse effects.

NGS in Lung Cancer Diagnosis

NGS testing plays a pivotal role in lung cancer diagnosis by identifying key genomic alterations that influence disease progression and treatment response. Mutations in genes such as EGFR, ALK, ROS1, and BRAF have been identified as actionable targets, guiding the selection of targeted therapies. Moreover, NGS facilitates the detection of resistance mechanisms, enabling timely adjustments to treatment regimens.

Personalized Treatment Strategies

The advent of targeted therapies has revolutionized the treatment landscape for lung cancer patients. By matching patients with specific genetic alterations to corresponding targeted agents, precision medicine has significantly improved clinical outcomes. Furthermore, NGS-guided liquid biopsies offer a non-invasive means of monitoring treatment response and detecting emergent resistance mutations, facilitating adaptive treatment strategies.

Cost of NGS Testing for Lung Cancer

The cost of Next-Generation Sequencing (NGS) testing for lung cancer in India are generally –

NGS Panel: A basic NGS panel targeting common genetic mutations associated with lung cancer, such as mutations in genes like EGFR, ALK, ROS1, and BRAF, may range from ₹20,000 to ₹50,000 or more. The cost can vary based on the depth of sequencing and the number of genes included in the panel.

Comprehensive Genomic Profiling: Comprehensive genomic profiling covering a broader range of genetic alterations across multiple lung cancer-related genes may have a higher cost, typically ranging from ₹50,000 to ₹1,50,000 or more. This type of testing provides a more thorough analysis of the tumor’s genomic landscape and may be recommended for patients with advanced or metastatic lung cancer.

Liquid Biopsy Testing: Liquid biopsy tests, which analyze circulating tumor DNA (ctDNA) or other biomarkers from a blood sample, may also be available for lung cancer detection, monitoring, and treatment selection. The cost of liquid biopsy testing can vary depending on the specific technology used and the scope of analysis, but it may range from ₹30,000 to ₹70,000 or more.

Outlook and Challenges

Despite its transformative potential, the widespread implementation of NGS testing faces several challenges, including cost constraints, data interpretation complexities, and accessibility issues. Addressing these barriers will be crucial to realizing the full benefits of precision medicine in lung cancer care. Additionally, ongoing research efforts are focused on harnessing novel genomic technologies and expanding the repertoire of actionable targets, further advancing personalized treatment approaches.

Conclusion

NGS testing has revolutionized the diagnosis and treatment of lung cancer, ushering in an era of precision medicine. By unraveling the genomic landscape of tumors, NGS enables tailored therapeutic interventions that improve patient outcomes and quality of life. As we continue to unravel the complexities of cancer biology, NGS will remain indispensable in driving forward the paradigm of precision oncology, offering hope to patients and clinicians alike.

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