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Brain & Heart                                                       Pemafibrate in patients with dyslipidemia



            1. Introduction                                    help mitigate the deleterious side effects commonly
                                                               associated with traditional fibrates, such as hepatotoxicity,
            Dyslipidemia is a chronic pathological condition   myopathy,  and  renal  impairment.  Pemafibrate’s  unique
            characterized by abnormal lipid levels in the bloodstream.   pharmacological profile suggests distinct advantages
            This condition is widely acknowledged as a significant   over other fibrates in terms of safety and effectiveness,
            risk  factor  for  atherosclerotic  cardiovascular  disease   positioning it as a prospective treatment alternative
            (ASCVD)  and  mortality  on  a  global  scale,  due  to  its   for patients with dyslipidemia and other metabolic
            alarming prevalence [1,2] . Consequently, a comprehensive   diseases [15,16] .  Importantly,  pemafibrate  has  demonstrated
            evaluation of an individual’s cardiovascular risk requires   a favorable safety record for patients concurrently
            the consideration of multiple variables, including low-  using statins and for those with chronic kidney disease,
            density lipoprotein cholesterol (LDL-C) levels, a parameter   underscoring its potential as a significant treatment
            frequently employed in clinical settings. Statins and lifestyle   alternative .
                                                                       [17]
            changes to lower LDL-C levels are critical in managing
            these high-risk patients [3,4] . Nonetheless, statin therapy   Consequently, the objective of this systematic review
            alone has a 20% benefit in preventing the development   and meta-analysis is to furnish an updated investigation
            of cardiovascular diseases such as myocardial infarction   into the efficacy of pemafibrate, with a specific focus on
            or ischemic stroke, leaving patients with an estimated   evaluating the impact of this therapy on lipid profile and
            residual risk of 80% [5,6] . Hence, identifying additional   adverse events. This analysis holds particular significance
            pharmacologic methods that can minimize the overall risk   in light of the considerable attention that this drug has
            of cardiovascular disease has become increasingly relevant.  received as a potential game-changer in the management
                                                               of dyslipidemia due to its previously discussed unique
              High triglyceride (TG) levels and low high-density   pharmacological profile. Nevertheless, it  is critical  to
            lipoprotein cholesterol (HDL-C) levels in serum have   underscore recent findings from the PROMINENT
            consistently been demonstrated to have a strong and   trial, which failed to reveal a substantial reduction in
            independent connection with an elevated risk of developing   cardiovascular events despite the drug’s favorable effects
            ASCVD [6-9] . However, a definitive causal relationship has   on lipid markers. This contrast highlights the need
            yet to be established in the literature. Nonetheless, statins,   for  a  comprehensive  assessment  of  its  overall  clinical
            primarily targeting the HMG-CoA reductase pathway,   impact [18] .
            exhibit a restricted capacity to induce significant alterations
            in TG and HDL-C levels among individuals grappling with   2. Materials and methods
            severe dyslipidemia . In contrast, fibrates, also known
                            [10]
            as peroxisome proliferator-activated receptor α (PPARα)   2.1. Search strategy
            activators, are a well-established therapeutic option   The study design in this research adhered to the Preferred
            for managing dyslipidemia in patients with markedly   Reporting Items for Systematic Reviews and Meta-Analysis
            elevated TG that does not respond adequately to statin   Protocol (PRISMA) . To ensure transparency and
                                                                                [19]
            therapy. In these cases, fibrates are specifically indicated   adherence to best practices, we also utilized PROSPERO
            to minimize the risk of pancreatitis. They also effectively   (International prospective registration of systematic
            increase HDL-C levels, which is potentially beneficial [11,12] .   reviews) to register the pre-specified study procedure (ID:
            Few meta-analyses have reported certain benefits of   CRD42022374852).
            prescribing fibrates to prevent cardiovascular disease in   A comprehensive search was conducted across the
                               [13]
            this specific population . However, fibrates, especially   MEDLINE (through PubMed), EMBASE, and Cochrane
            when administered concurrently with statins, can lead to a   Library databases, encompassing data from their creation
            number of potentially serious side effects, including hepatic   up to March 11, 2023. The search strategy employed
            or kidney dysfunction, myopathy, and rhabdomyolysis,   a methodical approach to identify all relevant trials
            which can compromise drug administration and treatment   that reported the use of pemafibrate in patients with
            adherence .                                        dyslipidemia.  The  search  strategy  (employing  medical
                    [14]
              Accordingly, a novel drug, pemafibrate, a selective   subject heading terms) was as follows: (dyslipidemia
            PPARα modulator (SPPARMα), has garnered significant   OR dyslipidemias OR dyslipidemic OR dyslipidemia OR
            attention from the medical community. This heightened   cholesterol OR triglycerides [TG] OR HDL OR LDL OR
            interest is primarily attributed to its high selectivity   “high-density lipoprotein” OR “low-density protein”)
            for PPAR subtypes, including PPARα1 and PPARα2,    AND (pemafibrate OR K-877 OR SPPARMα OR
            while avoiding activation of other PPAR subtypes such   “selective  peroxisome  proliferator-activated  receptor”
            as PPARβ/δ and PPARγ. This selectivity is believed to   OR “selective modulator of peroxisome proliferator-


            Volume 1 Issue 2 (2023)                         2                         https://doi.org/10.36922/bh.1629
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