PUBLISHER: DelveInsight | PRODUCT CODE: 1854963
PUBLISHER: DelveInsight | PRODUCT CODE: 1854963
DelveInsight's "ALK NSCLC - Epidemiology Forecast - 2034" report delivers an in-depth understanding of ALK NSCLC, historical and forecasted epidemiology trends in the United States, EU4 (Germany, France, Italy, Spain), the United Kingdom, and Japan.
Study Period: 2020-2034
Disease Understanding
ALK NSCLC Overview
ALK NSCLC is a distinct molecular subtype of lung cancer characterized by chromosomal rearrangements involving the ALK gene. This alteration drives oncogenic signaling pathways that promote tumor cell proliferation, survival, and metastasis. ALK NSCLC typically occurs in younger patients, non-smokers, or light smokers, and accounts for approximately 3-7% of all NSCLC cases.
The causes of ALK NSCLC are rooted in genetic alterations rather than environmental exposures. The most common abnormality is the EML4-ALK fusion, though multiple other fusion partners (e.g., KIF5B, TFG, and STRN) have been identified. These fusions result from chromosomal translocations that lead to constitutive activation of ALK tyrosine kinase signaling. Unlike smoking-associated NSCLC, where carcinogen exposure plays a central role, ALK-positive disease arises predominantly from these molecular changes, with additional modifying influences from host genetic susceptibility and tumor microenvironment interactions.
Clinically, ALK NSCLC often presents with non-specific pulmonary symptoms such as persistent cough, dyspnea, chest pain, or hemoptysis. Extra pulmonary symptoms like weight loss and fatigue are also common. Patients may develop advanced disease at diagnosis due to the aggressive nature of this subtype, with frequent metastases to the brain, liver, and bones. Compared to EGFR-mutated or KRAS-driven NSCLC, ALK-positive tumors are more likely to cause CNS involvement early in the disease course. Radiologically, these tumors often appear as peripheral or central lung masses, sometimes with associated lymphadenopathy.
ALK NSCLC Diagnosis
Diagnosis of ALK NSCLC relies on a combination of histopathologic evaluation, molecular testing, and imaging. Tissue biopsy establishes the NSCLC diagnosis, after which molecular assays confirm ALK rearrangements. Immunohistochemistry (IHC) detects ALK protein overexpression, Fluorescence in Situ Hybridization (FISH) visualizes ALK gene translocations, and Next-Generation Sequencing (NGS) provides comprehensive genomic characterization, identifying fusion variants. Reverse Transcription Polymerase Chain Reaction (RT-PCR) can detect ALK fusion transcripts with high sensitivity, while liquid biopsy through circulating tumor DNA (ctDNA) analysis offers a non-invasive alternative when tissue is limited. Imaging with Computed Tomography (CT), Positron Emission Tomography (PET), and Magnetic Resonance Imaging (MRI) helps assess tumor distribution and metastatic spread, particularly to the CNS.
Several other molecularly defined subtypes can mimic ALK NSCLC, making differential diagnosis essential. EGFR-mutated NSCLC commonly arises in non-smokers with adenocarcinoma histology but involves EGFR exon alterations instead of ALK fusions. ROS1-rearranged tumors share clinicopathologic features with ALK NSCLC yet are driven by distinct fusion events. RET and NTRK fusions present with similar morphologic and radiologic patterns, requiring molecular profiling for confirmation. KRAS, MET exon 14 skipping, HER2, and BRAF alterations also define alternative oncogenic subsets that may overlap in presentation. Broad molecular testing ensures accurate classification of ALK-driven tumors among these differentials.
The ALK NSCLC epidemiology chapter in the report provides historical as well as forecasted epidemiology segmented by total incident cases of NSCLC, total eligible patient pool for ALK NSCLC, total incident cases of NSCLC by ALK biomarker positive, and total treated cases of ALK NSCLC in the 7MM covering, the United States, EU4 countries (Germany, France, Italy, and Spain), the United Kingdom, and Japan from 2020 to 2034.
KOL Views
DelveInsight's analysts collaborated with over 50 key opinion leaders (KOLs), conducting in-depth interviews with more than 30 experts across the 7MM. To keep pace with evolving epidemiology trends, the team gathered first-hand insights from KOLs and subject matter experts (SMEs) through primary research, addressing data limitations and reinforcing findings from secondary research. These professionals offered valuable input on the ALK NSCLC landscape, highlighting patient behavior trends, and challenges in access to care. Contributors included experts from renowned institutions such as the Dana-Farber Cancer Institute, US; American Lung Association, US; University Hospital Heidelberg, Germany; Comprehensive Cancer Center, France; University of Parma, Italy; La Paz University Hospital, Spain; Royal Marsden Hospital, UK; Showa University, Japan; and Tokyo Medical University, Japan; among others.
According to US KOLs, "ALK NSCLC represents a small yet clinically critical subset of lung cancer, where limited awareness and variability in molecular testing practices contribute to delayed detection of ALK rearrangements, ultimately impacting patient outcomes and highlighting the need for consistent biomarker-driven diagnosis."
According to European KOLs, "ALK NSCLC demonstrates aggressive disease biology, often presenting with early CNS involvement and rapid progression, underscoring its serious clinical nature and the necessity of precise molecular profiling to distinguish it from other oncogenic drivers."
According to Japanese KOLs, "The growing burden of ALK NSCLC, particularly within younger non-smoking populations, reflects its unique epidemiologic pattern, while the heterogeneity of fusion variants poses significant challenges for accurate identification and comprehensive disease monitoring."
Epidemiology Insights
ALK NSCLC to Buy
The ALK NSCLC epidemiology report for the 7MM covers the forecast period from 2025 to 2034, providing a projection of epidemiology dynamics and trends during this timeframe.
The highest cases of ALK NSCLC were found in Germany among EU4 and the UK in 2024.
Epidemiological data is collected through surveys, health records, and other sources. It is then analyzed to calculate incidence rates, identify trends, and project future disease burdens using mathematical models.
The highest cases of ALK NSCLC were found in the US among the 7MM in 2024.