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1.
Expert Opin Emerg Drugs ; 29(2): 155-164, 2024 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-38602142

RESUMEN

INTRODUCTION: Chronic lower back pain is a leading cause of disability and healthcare spending worldwide. Discogenic pain, pain originating from the intervertebral disk, is a common etiology of chronic lower back pain. Currently, accepted treatments for chronic discogenic pain focus only on the management of symptoms, such as pain. There are no approved treatments that stop or reverse degenerating intervertebral discs. Biologic therapies promoting disc regeneration have been developed to expand treatment options. VIADISC™ NP, is a viable disc allograft supplementation that, in a recent trial, demonstrated a significant reduction in pain and increased function in patients suffering from symptomatic degenerative disc disease. AREAS COVERED: This manuscript summarizes the epidemiology and etiology of low back pain, the pathophysiology of degenerative disc disease, current treatments, and a need for newer therapies. The rationale behind intradiscal biologics for the treatment of symptomatic degenerative disc disease is also discussed. EXPERT OPINION: Characterization of the biology leading to disc degeneration has allowed for the development of intradiscal biologics. They may soon be capable of preventing and reversing disc degeneration. Clinical trials have shown promise, but further research into efficacy and safety is needed before these therapies are widely employed.


Asunto(s)
Dolor Crónico , Degeneración del Disco Intervertebral , Dolor de la Región Lumbar , Humanos , Degeneración del Disco Intervertebral/fisiopatología , Dolor de la Región Lumbar/etiología , Dolor de la Región Lumbar/fisiopatología , Dolor de la Región Lumbar/tratamiento farmacológico , Dolor de la Región Lumbar/terapia , Dolor Crónico/tratamiento farmacológico , Dolor Crónico/fisiopatología , Dolor Crónico/etiología , Animales , Disco Intervertebral/fisiopatología , Disco Intervertebral/patología , Productos Biológicos/farmacología , Productos Biológicos/uso terapéutico , Productos Biológicos/administración & dosificación , Desarrollo de Medicamentos
2.
Cureus ; 15(6): e41116, 2023 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-37519510

RESUMEN

Acetaminophen is an extremely common drug with many implications for its analgesic and antipyretic properties. It has a unique mechanism of action and downstream effects that separate it categorically from non-steroidal anti-inflammatory drugs. These differences come with potential adverse effects that range from mild drug reactions to severe life-threatening emergencies. While acetaminophen's toxic liver effects are well known, a lesser-known adverse effect of this drug is its association with the development of Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN). These dermatological emergencies involve similar pathological processes, including apoptosis of the epidermis and sloughing of the dermis and mucosa from the underlying layers with a positive Nikolsky sign. Currently, SJS and TEN are considered immune-mediated type IV hypersensitivity reactions predominantly involving CD8+ T lymphocytes. Other immune mediators, including regulatory T cells, natural killer cells, interleukins, and drug metabolites are speculated to be involved, but their mechanisms have not been entirely determined. These conditions are differentially diagnosed by the percentage of body area affected with SJS and TENS, involving <10% and >30%, respectively. Genomic variations in human leukocyte antigens (HLA) genes have been implicated in the susceptibility and severity of acetaminophen-induced SJS/TENS, however, details of these interactions remain unclear. Acetaminophen's widespread use and the morbidity of its associated skin pathologies SJS and TENS warrant an in-depth examination of the causative processes involved in their pathogenesis. It is critical that both physicians and patients be made aware that while acetaminophen is widely tolerated by most individuals, severe and potentially fatal interactions do occur, and further investigation is necessary to reduce these adverse effects.

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