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Gene therapy and imaging in preclinical and clinical oncology: recent developments in therapy and theranostics
Sebastian Gehrig1, Haider Sami, Manfred Ogris
1Department for Pharmaceutical Chemistry, Faculty Center for Pharmacy, University of Vienna, Althanstraße 14, A-1090 Wien, Austria.
Abstract:
In the case of disseminated cancer, current treatment options reach their limit. Gene theranostics emerge as an innovative route in the treatment and diagnosis of cancer and might pave the way towards development of an efficacious treatment of currently incurable cancer. Various gene vectors have been developed to realize tumor-specific nucleic acid delivery and are considered crucial for the successful application of cancer gene therapy. By adding reporter genes and imaging agents, these systems gain an additional diagnostic function, thereby advancing the theranostic paradigm into cancer gene therapy. Numerous preclinical studies have demonstrated the feasibility of combined tumor gene therapy and diagnostic imaging, and clinical trials in human and veterinary oncology have been executed with partly encouraging results.
Insights
Gene theranostics offer a promising new approach for treating and diagnosing disseminated cancer. This innovative strategy combines gene therapy with diagnostic imaging, potentially leading to effective treatments for currently incurable cancers.
Area of Science:
- Oncology
- Molecular Biology
- Biotechnology
Background:
- Current treatments for disseminated cancer are limited in efficacy.
- Gene therapy offers a potential new avenue for cancer treatment.
- The theranostic paradigm integrates diagnosis and therapy.
Purpose of the Study:
- To explore gene theranostics as an innovative approach for cancer treatment and diagnosis.
- To highlight the role of gene vectors in tumor-specific nucleic acid delivery.
- To advance the development of effective treatments for incurable cancers.
Main Methods:
- Development of gene vectors for tumor-specific nucleic acid delivery.
- Incorporation of reporter genes and imaging agents into gene delivery systems.
- Preclinical studies and clinical trials in human and veterinary oncology.
Main Results:
- Gene vectors are crucial for successful cancer gene therapy.
- Functionalized gene vectors enable combined diagnostic and therapeutic functions.
- Preclinical data demonstrate feasibility; clinical trials show encouraging preliminary results.
Conclusions:
- Gene theranostics represent a significant advancement in cancer care.
- This approach holds promise for treating currently incurable cancers.
- Further clinical investigation is warranted to optimize gene theranostic strategies.
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