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Biological response modifiers (BRMs) are substances that modify immune responses. They can be both endogenous (produced naturally within the body) and exogenous (as pharmaceutical drugs), and they can either enhance an immune response or suppress it. Some of these substances arouse the body's response to an infection, and others can keep the response from becoming excessive. Thus they serve as immunomodulators in immunotherapy (therapy that makes use of immune responses), which can be helpful in treating cancer (where targeted therapy often relies on the immune system being used to attack cancer cells) and in treating autoimmune diseases (in which the immune system attacks the self), such as some kinds of arthritis and dermatitis. Most BRMs are biopharmaceuticals (biologics), including monoclonal antibodies, interleukin 2, interferons, and various types of colony-stimulating factors (e.g., CSF, GM-CSF, G-CSF). "Immunotherapy makes use of BRMs to enhance the activity of the immune system to increase the body's natural defense mechanisms against cancer", whereas BRMs for rheumatoid arthritis aim to reduce inflammation.
BIOLOGICAL RESPONSE MODIFIERS FOR THE TREATMENT OF SUBJECTS WITH DEFICIENT IMMUNE SYSTEMS AND THEIR COMPOSITIONS
In the present invention, cyclic dinucleotides or their compositions are used as biological response modifiers to enhance the immune response of subjects with deficient immune systems, with a low or absent response to vaccine antigens, or with a deficient immune response to pathogens. The formulations of the present invention are capable of modifying the biological response in such a way as to eliminate the lack of response, resulting in the development of a high-avid immune response that prevents disease caused by infectious agents, particularly viruses with the ability to evade immune surveillance mechanisms and, consequently, suppress the induction of an effective, high-avid adaptive response.The present invention also comprises cyclic dinucleotide formulations, which can be administered alone, in combination with other biological response modifiers, or in vaccine formulations with antigens. The proposed invention further includes a method for preventing or treating acute respiratory infections, preventing disease severity, and blocking transmission by inducing an immune response at the point of entry (nasopharyngeal mucosa), preventing or reducing person-to-person transmission of pathogens / viruses in preventive vaccine formulations, as well as in formulations used for prophylaxis before and after exposure to acute respiratory infections.
Owner:CENT DE ING GENETICA & BIOTECNOLOGIA +1