(2023) Available at: (Accessed Dec 29 2023)
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Using the following methods, individual studies were categorized as having low, high or unclear risk of bias: i) Low risk of bias (plausible bias unlikely to markedly alter the findings) if the risk of bias was low in all domains
Regulatory Framework: Key FDA Guidance Documents for Nasal Sprays The foundation of nasal spray testing requirements in the United States is established by two primary FDA guidance documents, both from the Center for Drug Evaluation and Research (CDER): FDA CDER 2002 Nasal Spray and Inhalation Solution, Suspension and Spray Drug Products Chemistry, Manufacturing and Controls Documentation (CMC Guidance): Defines the CMC documentation requirements for new drug applications (NDAs) and abbreviated new drug applications (ANDAs) involving nasal spray and inhalation drug products
A single molecule of BL can neutralize the neurotoxic effect induced by hydrogen peroxide (H 2 O 2 ) at concentrations 1,5003,000 times higher, thereby mitigating oxidative stress ( + T cell activity and promotes regulatory T (Treg) cell proliferation, contributing to the suppression of inflammatory responses (Wagner et al., 2015)
