Alzheimer's disease (AD) is the most common form of dementia affecting millions of individuals, including family members who often take on the role as caregiver. This debilitating disease reportedly consumes 8% of the total United States healthcare expenditure, with medical and nursing outlays accounting for an estimated $290 billion. Cholinesterase inhibitors and N-methyl-D-aspartate receptor antagonists have historically been the most widely used pharmacologic therapies for patients with AD, however, these drugs are not curative. This review discusses the epidemiology, pathophysiology, risk factors, presentation, and current treatment of AD followed by the role of the novel monoclonal antibody, aducanumab, in treatment of AD. Currently aducanumab is the only Food and Drug Administration (FDA) approved drug that acts to slow progression of this disease. Aducanumab is an anti-amyloid drug which functions by selectively binding amyloid aggregates in both the oligomeric and fibrillar states. Studies show aducanumab may help to restore neurological function in patients with AD by reducing beta-amyloid plaques and reestablishing neuronal calcium permeability. However, there is concern the magnitude of this drug's benefit may only be statistically significant and not clinically significant. Despite this skepticism, aducanumab has proven to significantly decrease amyloid in all cortical brain regions examined. In summary, aducanumab has provided hope for those working toward the goal of providing patients a safe and viable treatment option in the management of AD.
Alzheimer’s disease (AD) is the most common form of dementia affecting millions of individuals, including family members who often take on the role of caregivers. This debilitating disease reportedly consumes 8% of the total United States healthcare expenditure, with medical and nursing outlays accounting for an estimated $290 billion. Cholinesterase inhibitors and N-methyl-D-aspartate receptor antagonists have historically been the most widely used pharmacologic therapies for patients with AD; however, these drugs are not curative. The present investigation describes the epidemiology, pathophysiology, risk factors, presentation, and current treatment of AD followed by the role of the novel monoclonal antibody, Adulhelm, in the treatment of AD. Currently, Adulhelm is the only Food and Drug Administration (FDA) approved drug that acts to slow the progression of this disease. Adulhelm is an anti-amyloid drug that functions by selectively binding amyloid aggregates in both the oligomeric and fibrillar states. Studies show Adulhelm may help to restore neurological function in patients with AD by reducing beta-amyloid plaques and reestablishing neuronal calcium permeability. At present, there is concern the magnitude of this drug’s benefit may only be statistically significant, although not clinically significant. Despite skepticism, Adulhelm has proven to significantly decrease amyloid in all cortical brain regions examined. With such high stakes and potential, further research into Adulhelm’s clinical efficacy is warranted in the treatment of AD.
Introduction:The multifaceted clinical presentation of fibromyalgia (FM) supports the modern understanding of the disorder as a more global condition than one simply affecting pain sensation. The main pharmacologic therapies used clinically include anti-epileptics and antidepressants. Conservative treatment options include exercise, myofascial release, psychotherapy, and nutrient supplementation. Methods: Narrative review. Results: Nutrient supplementation is a broadly investigated treatment modality as numerous deficiencies have been linked to FM. Additionally, a proposed link between gut microbiome patterns and chronic pain syndromes has led to studies investigating probiotics as a possible treatment. Despite positive results, much of the current evidence regarding this topic is of poor quality, with variable study designs, limited sample sizes, and lack of control groups. Conclusions: The etiology of FM is complex, and has shown to be multi-factorial with genetics and environmental exposures lending influence into its development. Preliminary results are promising, however, much of the existing evidence regarding diet supplementation is of poor quality. Further, more robust studies are needed to fully elucidate the potential of this alternative therapeutic option.
Health Psychology Research ConclusionExisting studies provide promising results. However, additional high-quality data on vitamin D supplementation is needed before recommendations for pain management can be made. Vitamin D supplementation is inexpensive, has minimal side effects, and can benefit FM patients regardless of its efficacy in pain control. Additionally, high-quality studies are warranted to fully elucidate the potential of vitamin D to manage chronic pain in FM.
Schizophrenia is a debilitating psychotic disorder characterized by positive symptoms such as delusions, hallucinations, and disorganized thoughts, and negative symptoms like lack of effect or motivation. Bipolar 1 disorder (B1D) is a psychiatric illness characterized by recurrent manic episodes in alternation with depressive episodes and interspersed periods of euthymia, ultimately resulting in psychological distress and impairment of daily functioning. Effective treatments are needed for both schizophrenia and B1D to reach the treatment goals of reducing the debilitating symptomology, improving social functioning and quality of life, and increasing the chances of recovery and more favorable long-term outcomes. To date, olanzapine is one of the most efficacious atypical antipsychotics (AAPs) for the treatment of both schizophrenia and B1D and is associated with fewer extrapyramidal effects compared to other treatments. However, compared to other AAPs, olanzapine is associated with a greater chance of metabolic syndrome, limiting its clinical use and affecting treatment compliance. Samidorphan mitigates the weight gain side effects of olanzapine by antagonizing μ-, κ-, and δ-opioid receptors. The use of combination drugs to treat psychiatric conditions is an emerging field with the goal of increasing therapeutic efficacy and decreasing undesirable side effects. Clinical trials have demonstrated combination on olanzapine and samidorphan (OLZ/SAM) treatment resulted in significantly less weight gain than olanzapine monotherapy. Clinical trial patients reported improvements in symptoms of psychosis, reduced weight gain, and overall satisfaction with their treatment. OLZ/SAM has been as shown to be a safe and effective pharmaceutical option for the clinical management of schizophrenia and B1D.
Introduction: During routine cadaveric dissection, Simonds et al. in 2019 found a previously undocumented ligament, which they termed the midline interlaminar ligament (MIL), in 24 out of 36 (76.5%) lumbar spinal levels. The MIL is an unpaired ligament located between and distinctly separate from the right and left ligamenta flava (LF).The purpose of this study was to identify the presence or absence of the MIL in the cervical, thoracic, and lumbar spinal regions and obtain detailed measurements of the ligaments' toughness (R) and elastic modulus (E).Materials and Methods: Intact preserved cadaveric vertebrae from C2 to the upper sacral region were dissected. Presence or absence of the MIL was documented, and length and width of each MIL were measured in situ. The R and E of the LFs from corresponding spinal segments were found for comparison.Results: At least one MIL was observed in 90.3% (28) of specimens. Eighty-eight MIL's were observed out of 186 cervical intervertebral levels (0.5%), 371 thoracic intervertebral levels (5.9%), and 101 lumbar intervertebral levels (63.4%). The mean width and
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