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Innovative Medicines & Omics                              Current approach in the management of kidney disease



            the effects of NO system activation within the central   possible to determine the renal benefit of combined
            sympathetic nervous system. 27                     ACEI/ARB treatment for patients with proteinuria. Due
                                                               to hypotensive symptoms, 784 participants (mostly those
            3. Current therapeutic approach of CKD             on combination therapy) permanently stopped receiving

            3.1. Combining ACEI and ARB therapy                randomized therapy throughout the research. Compared
                                                               to patients receiving monotherapy, the combination
            According to recent studies, since the RAS is clearly   treatment group had a considerably higher number of
            involved in the development of renal disease, more   patients reaching the primary renal outcome of dialysis,
            complete RAS blockade may be able to halt its progression.   doubling of serum creatinine, or death. Acute renal failure
            In contrast to ACEI/ARB monotherapy, short-term    was the primary cause of many dialysis episodes, and it was
            use of MRAs, such as spironolactone or eplerenone, in   more common in individuals with normotension. These
            combination with ACEIs/ARBs was not associated with a   unsatisfactory but not totally unexpected findings highlight
            lower risk of cardiovascular and renal outcomes in patients   the  safety  concerns  related  to  ACEI/ARB  treatment.
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            with diabetic KD and hypertension. Given the short   The abrupt transition to sodium-glucose cotransporter-2
            duration of combination therapy and the risk factor of   inhibitors and MRAs for reducing albuminuria, followed
            hyperkalemia,  MRA-integrated  ACEI/ARB  combination
            therapy  may  face  practical  therapeutic  challenges. 26,28   To   by a return to ACEIs and ARBs, resulted in greatly
            investigate this, several trials investigating the combination   reduced hyperkalemia and potassium levels, as well as a
            of an ACEIs and ARBs have been performed. Although   dramatically lowered the urinary albumin-to-creatinine
            they have distinct mechanisms of action, ACEIs and ARBs   ratio when dapagliflozin and eplerenone were taken as
            both disrupt the RAS. ACEIs inhibit Angiotensin-I from   adjuvants to ACEIs or ARBs. These recent trials imply that
                                                               dapagliflozin with eplerenone is a desirable combination
            converting to Angiotensin II, whereas ARBs prevent
            Angiotensin II from binding to Angiotensin II Type  1   to help individuals with CKD reduce the course of their
                                                                    34
            receptors. Analyses of ACEIs and other ARBs have   illness.  RAS blocker medications increased the risk of
            revealed that they are equally effective in reducing blood   hyperkalemia, hypotension, and cough, but they also
            pressure.  By maintaining peritubular capillary perfusion   improved the outcomes for patients with non-dialysis
                   29
            through efferent arteriolar vasodilation and boosting the   CKD. ACEIs were more likely than ARBs and other
            renal medullary plasma flow by decreasing the filtration   antihypertensive drugs to be the most effective therapy
            fraction, ACEIs/ARBs could mitigate tubular damage   for renal events, cardiovascular outcomes, and causes of
            following AKI insults. Angiotensin II blockade has been   mortality in patients with diabetic KD, and non-dialysis
            demonstrated to lessen the development of acute tubular   CKD. ARBs outperformed ACEIs in preventing the risk of
            necrosis or damage as well as tubular ischemia. In addition,   cardiovascular and renal events, but they were less effective
            ACEIs/ARBs are advised to slow the course of kidney   than ACEIs in lowering all-cause mortality. 35-37
            deterioration in diabetic nephropathy. In addition, ACEIs/  3.2. RAS and renin inhibition
            ARBs  lower CVD-related  mortality, such  as  myocardial
            infarction and congestive heart failure. The use of ACEIs/  ACEIs and ARBs are RAS inhibitors that slow the
            ARBs is generally supported by evidence, as they protect   progression of mild to severe CKD. According to some
            the kidneys and heart and lower all-cause mortality. Our   research, discontinuing RAS inhibitors in individuals with
            present meta-analysis findings support their timely use   severe chronic renal disease may result in an increase in
            following AKI and consistent with previous reports.   estimated glomerular filtration rate or a slowing of its
            Profibrotic pathways may directly damage essential organs   decline.  Evidence does not support the combination
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            if the RAAS is activated, and AKI has a major effect on   therapy of aliskiren and losartan among non-diabetic
            the  functioning of  injury/repair  pathways in  distant   CKD  patients  generally,  and  aliskiren  does  not  provide
            organs. Following AKI and CKD, we  hypothesize that   extra renoprotection over a 144-week period in individuals
            using ACEIs/ARBs may enhance organ function and avoid   with non-diabetic KD. However, KD responders could
            maladaptive repair. 30-32  The Ongoing Telmisartan Alone   potentially benefit from direct renin inhibition, making
            and in Combination with Ramipril Global Endpoint Trial   it a more targeted treatment option for specific subgroups
            (ONTARGET),  which  included  25,920  individuals  with   of  CKD  patients,  based  on  some  positive  short-term
                                                                       39
            vascular diseases and a higher risk of diabetes, evaluated   outcomes.  In particular, proinflammatory chemicals
            the  benefits  of  ACEI  ramipril,  ARB  telmisartan,  and   and stress hormones seem to increase the synthesis of
            their combination. The majority of patients included in   kynurenine and its downstream metabolites, which
            ONTARGET did not exhibit microalbuminuria and/     may affect insulin action and favor the onset of diabetes
            or macroalbuminuria at baseline. Therefore, it was not   mellitus and its complications, including nephropathy.


            Volume 2 Issue 1 (2025)                         40                               doi: 10.36922/imo.4969
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