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Based on vector type, the gene therapy market is segmented as viral vectors and non-viral vectors. The viral vectors segment further divided into retro viral vectors, adeno-associated virus vectors, lentiviral vectors, and other viral vectors. In 2022, the non-viral vector segment accounts for the majority of the market size and is expected to grow at the fastest rate throughout the forecast period.
Owing to lower risk of pre-existing immunity and broad range of delivery methods, as many individuals have pre-existing immunity to certain viral vectors due to prior exposure to the viruses. This can limit the effectiveness of viral vector-based gene therapies. Non-viral vectors, on the other hand, are not subject to pre-existing immunity issues, making them more widely applicable across patient populations.
Moreover, non-viral vectors are generally considered safer compared to viral vectors. They do not carry the risk of viral replication or integration into the host genome, which can cause unintended effects. Non-viral vectors are less likely to trigger immune responses and are associated with lower toxicity, making them attractive for clinical use.
Based on delivery method, the gene therapy market is segmented as in vivo gene therapy, and ex vivo gene therapy. The in vivo gene therapy held a dominant market share of around 71.2% in 2022 and is expected to grow at a significant pace during the analysis period. In vivo gene therapy enables systemic treatment, meaning it can reach multiple sites or organs throughout the body. This is particularly beneficial for diseases that affect multiple areas or have systemic manifestations, allowing for a comprehensive therapeutic approach.
In addition, the development of advanced delivery systems, such as viral vectors, nanoparticles, or lipid-based carriers, has improved the efficiency and specificity of in vivo gene therapy. These advancements enhance the targeted delivery of genetic material and improve the safety and efficacy of the therapy.
Based on gene type, the market is segmented as antigen, cytokine, tumor suppressor, suicide, deficiency, growth factors, receptor, and other gene types. The antigen segment is expected to grow at a significant pace of 18.3% by 2032. Antigen-based gene therapies can be employed as immunotherapeutic strategies. By introducing genes encoding specific antigens into the patient's cells, the immune system can be activated or enhanced to recognize and attack tumor cells or pathogens.
This approach has shown promise in cancer gene therapy and cancer immunotherapy, where antigens derived from cancer cells can be targeted to elicit an immune response against tumors. Also, antigens can serve as specific targets for gene therapy interventions. By identifying antigens associated with particular diseases or conditions, gene therapies can be designed to specifically target and modulate the expression of these antigens, leading to targeted therapeutic effects.
Based on indication, the gene therapy market is segmented as cancer, neurological diseases, DMD (Duchenne Muscular Dystrophy), hepatological diseases, inherited retinal disease, peripheral arterial disease, and other indications. The cancer segment is expected to grow at a significant pace by 2032. Gene therapy allows for targeted and precise delivery of therapeutic genes to cancer cells. By selectively modifying or killing cancer cells while sparing healthy cells, gene therapy minimizes off-target effects and reduces the toxicity associated with traditional treatments.
North America gene therapy market is anticipated to grow at 19.2% by 2032. Factors responsible for largest market share in North America such as, favorable regulatory environment, strong financial and investment support, advanced healthcare infrastructure, and robust research and development ecosystem.
North America, particularly the United States, has a strong and well-established research and development ecosystem in the field of gene therapy. It is home to leading academic institutions, research centers, and biotechnology companies that actively contribute to advancements in gene therapy research. This ecosystem fosters innovation, attracts investments, and drives the development of novel gene therapies.
Furthermore, the prevalence of genetic disorders and complex diseases, such as cancer, in North America has created a significant market demand for innovative treatment options like gene therapy. Also, the willingness of payers to support these therapies through reimbursement programs further fuels market gains.