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  1. Kuan WC, Sim R, Wong WJ, Dujaili J, Kasim S, Lee KK, et al.
    Value Health, 2023 Oct;26(10):1558-1576.
    PMID: 37236395 DOI: 10.1016/j.jval.2023.05.011
    OBJECTIVES: Decision-analytic models (DAMs) with varying structures and assumptions have been applied in economic evaluations (EEs) to assist decision making for heart failure with reduced ejection fraction (HFrEF) therapeutics. This systematic review aimed to summarize and critically appraise the EEs of guideline-directed medical therapies (GDMTs) for HFrEF.

    METHODS: A systematic search of English articles and gray literature, published from January 2010, was performed on databases including MEDLINE, Embase, Scopus, NHSEED, health technology assessment, Cochrane Library, etc. The included studies were EEs with DAMs that compared the costs and outcomes of angiotensin-converting enzyme inhibitors, angiotensin-receptor blockers, angiotensin-receptor neprilysin inhibitors, beta-blockers, mineralocorticoid-receptor agonists, and sodium-glucose cotransporter-2 inhibitors. The study quality was evaluated using the Bias in Economic Evaluation (ECOBIAS) 2015 checklist and Consolidated Health Economic Evaluation Reporting Standards (CHEERS) 2022 checklists.

    RESULTS: A total of 59 EEs were included. Markov model, with a lifetime horizon and a monthly cycle length, was most commonly used in evaluating GDMTs for HFrEF. Most EEs conducted in the high-income countries demonstrated that novel GDMTs for HFrEF were cost-effective compared with the standard of care, with the standardized median incremental cost-effectiveness ratio (ICER) of $21 361/quality-adjusted life-year. The key factors influencing ICERs and study conclusions included model structures, input parameters, clinical heterogeneity, and country-specific willingness-to-pay threshold.

    CONCLUSIONS: Novel GDMTs were cost-effective compared with the standard of care. Given the heterogeneity of the DAMs and ICERs, alongside variations in willingness-to-pay thresholds across countries, there is a need to conduct country-specific EEs, particularly in low- and middle-income countries, using model structures that are coherent with the local decision context.

    Matched MeSH terms: Angiotensin-Converting Enzyme Inhibitors/therapeutic use
  2. Kow CS, Ramachandram DS, Hasan SS
    Rev Port Cardiol, 2023 Sep;42(9):815-816.
    PMID: 37353197 DOI: 10.1016/j.repc.2023.04.008
    Matched MeSH terms: Angiotensin-Converting Enzyme Inhibitors/therapeutic use
  3. Ong HT
    J Am Board Fam Med, 2009 Nov-Dec;22(6):686-97.
    PMID: 19897698 DOI: 10.3122/jabfm.2009.06.090094
    PURPOSE: This article seeks to objectively review the clinical trial evidence to determine whether angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin-receptor blockers (ARBs) have special cardiovascular protective effects.
    METHODS: An objective review of the clinical trial evidence.
    RESULTS: Clinical trials in hypertensive patients comparing ACEI and ARB with other drugs generally showed no difference in the primary cardiovascular outcome (United Kingdom Prospective Diabetes Study Group, Captopril Prevention Project, Swedish Trial in Old Patients with Hypertension 2, Japan Multicenter Investigation for Cardiovascular Diseases-B Randomized Trial, Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial, Second Australian National Blood Pressure Study Group, Valsartan Antihypertensive Long-Term Use Evaluation). Where the primary, or major secondary, cardiovascular end-point favors one of the treatment arms, it was always the arm with the lower achieved blood pressure that saw the better clinical result as in Losartan Intervention For Endpoint Reduction in Hypertension Study, Captopril Prevention Project, Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial, and Valsartan Antihypertensive Long-Term Use Evaluation. Trials comparing ACEI or ARB against placebo in patients at high risk of cardiovascular events have not showed a consistent result; cardiovascular outcomes were reduced in Heart Outcomes Prevention Evaluation, European Trial on Reduction of Cardiac Events with Perindopril in Stable Coronary Artery Disease, and the Jikei Heart Study, but were not significantly reduced in Perindopril Protection Against Recurrent Stroke Study, Comparison of Arnlodipine vs Enalapril to Limit Occurrences of Thrombosis Trial, Prevention of Events with ACEIs Trial, Telmisartan Randomized Assessment Study in ACE-Intolerant Subjects with Cardiovascular Disease Trial, and Prevention Regimen for Effectively Avoiding Second Strokes Trial. In the Ongoing Telmisartan Alone and in Combination with Ramipril Global Endpoint Trial, combining ACEIs with ARBs in high-risk patients did not reduce cardiovascular or renal outcomes compared with ACEI monotherapy alone. This absence of a reduction in cardiovascular outcome from the ACEI and ARB combination arm is further evidence suggesting that these drugs do not have any special cardiovascular protective effect. This objective review thus shows that the rennin-angiotensin antagonists do not have special cardiovascular protective properties.
    CONCLUSION: The key to reducing cardiovascular outcome is to appropriately control blood pressure as well as to treat all other coronary risk factors.
    Matched MeSH terms: Angiotensin-Converting Enzyme Inhibitors/therapeutic use*
  4. Lean QY, Shamsuddin N, Wan Ahmad WA
    Med J Malaysia, 2008 Aug;63(3):216-21.
    PMID: 19248693 MyJurnal
    There are well-established guidelines regarding the use of Angiotensin converting enzyme inhibitors (ACEI) in the management of heart failure (HF). In-spite of that, many studies has documented underutilization of ACEI. Thus, this retrospective observational study aimed to evaluate the utilization of ACEI, to identify the pattern of ACEI use and the factors that might contribute to underutilization of ACEI. The target population was hospitalized HF patients in University Malaya Medical Centre (UMMC). Of 321 hospitalized HF patients, only 57% of them were treated with ACEI. 51.2% of the patients treated with ACEI received low dose (< or = 25% from target dose) at discharge. Factors that have significant association with the underutilization of ACEI included serum potassium and creatinine, chronic renal failure and other concurrent medications used (frusemide, aspirin, potassium chloride, calcium channel blockers and angiotensin receptor blockers). The findings indicated that the utilization of ACEI in the management of HF in UMMC is considerably low.
    Matched MeSH terms: Angiotensin-Converting Enzyme Inhibitors/therapeutic use*
  5. Yusoff K, Razak TA, Yusof N, Rafee NM
    Int J Clin Pract, 1999 Jun;53(4):277-80.
    PMID: 10563072
    ACE inhibitors are important therapeutic agents in controlling hypertension, correcting some of its pathophysiological derangement and improving its prognosis. While there are many such agents, there may be some important differences between them. This placebo run-in, double blind, crossover study, using 24-hour ambulatory blood pressure monitoring, compares the efficacy of perindopril 4-8 mg and enalapril 10-20 mg as once daily antihypertensive agents on 32 patients. For diastolic blood pressure (DBP), perindopril had a placebo-corrected peak (P) reduction of blood pressure (BP) of -6.4 +/- 1.3 mmHg vs its placebo-corrected trough (T) of -5.2 +/- 1.7 mmHg. Enalapril had a reduction in DBP of -8.5 +/- 1.3 mmHg (P) and -5.7 +/- 1.7 mmHg (T). For systolic blood pressure (SBP), perindopril had a reduction of -7.5 +/- 1.6 mmHg (P) vs -7.3 +/- 2.2 mmHg (T) compared to enalapril with -10.8 +/- 1.6 mmHg (P) vs -8.3 +/- 2.3 mmHg (T). Placebo-corrected trough-to-peak ratio (SBP/DBP) for perindopril was 0.97/0.81 vs 0.77/0.67 for enalapril. There was no difference noted in 24-hour mean BP, area under the curve or post-dose casual BP measurements. Both perindopril and enalapril were well tolerated and the two treatment groups had similar safety profiles. Perindopril thus had a predictable and sustained blood pressure effect giving a 24-hour cover for the patient without excessive peak effect or poor trough effect.
    Matched MeSH terms: Angiotensin-Converting Enzyme Inhibitors/therapeutic use*
  6. Sharma JN
    Adv Exp Med Biol, 1989;247A:197-205.
    PMID: 2690588
    Matched MeSH terms: Angiotensin-Converting Enzyme Inhibitors/therapeutic use
  7. Chee KH, Amudha K, Hussain NA, Haizal HK, Choy AM, Lang CC
    PMID: 14608517
    Conventional diuretic agents are very effective agents in relieving volume overload and congestive symptoms in chronic heart failure (CHF). However, they are associated with activation of the renin-angiotensin system (RAS) and the sympathetic nervous system and a reduction in glomerular filtration rate, all of which have been associated with adverse outcomes in CHF. Therefore, there is an increasing interest in drugs that target the natriuretic system without neurohormonal activation and deterioration of renal function. In this review, we will discuss the underlying rationale and evidence behind currently pursued strategies that target the natriuretic system. This includes the administration of natriuretic peptides (NPs) and strategies that potentiate the NP system, such as neutral endopeptidase inhibition. We will also highlight some potentially important interactions of these strategies with drugs that target the RAS.
    Matched MeSH terms: Angiotensin-Converting Enzyme Inhibitors/therapeutic use*
  8. Bonsu KO, Arunmanakul P, Chaiyakunapruk N
    Heart Fail Rev, 2018 03;23(2):147-156.
    PMID: 29411216 DOI: 10.1007/s10741-018-9679-y
    Pharmacological interventions for heart failure with preserved ejection fraction (HFpEF) have failed to reduce mortality and hospitalization. Evidence for mineralocorticoid antagonists (MRAs), β-adrenoceptor blockers (β-blockers), and angiotensin-converting enzyme inhibitors/angiotensin receptor blockers (ACEIs/ARBs)-to reduce clinical outcomes in HFpEF remains unclear. We conducted a systematic search of MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, and Clinical Trials.gov for randomized controlled trials (RCTs) assessing pharmacological treatments in HFpEF diagnosed according the recommendations of the European Society of Cardiology (ESC) 2016 guidelines from inception to August, 2017. The study outcomes were mortality, hospitalization, changes in indexes of cardiac structure and function, biomarkers, and indexes of functional capacity-quality of life (QoL) assessment and 6-min walk distance test (6-MWD). The random-effects models were used to estimate pooled relative risks (RRs) for the binary outcomes and standardized mean differences for continuous outcomes, with 95% CI. A network meta-analysis using a random-effects model was employed to estimate the comparative efficacy of treatments. We included data from 15 RCTs comprising 5930 patients. There was no significant effect seen with all treatments compared with placebo and comparative efficacy of any two treatments on all outcomes assessed. However, mineralocorticoid antagonist spironolactone demonstrated a trend towards reducing mortality compared with placebo (RR 0.92; 95% CI 0.79-1.08), sildenafil (0.14; 0.01-2.78), perindopril (0.87; 0.59-1.28), and eplerenone (0.91; 0.25-3.33). Similar trends in treatment effect were observed with spironolactone on surrogate outcomes while eplerenone demonstrated a trend of superior effect in reduction of hospitalizations compared with all other drug treatment. No drug treatment demonstrated statistically significant improvement in clinical and surrogate outcomes in HFpEF diagnosed according to the ESC 2016 guideline. Spironolactone and eplerenone showed clinically relevant reduction in mortality and hospitalization respectively compared with other drug treatments. Further trials with MRAs are warranted to confirm treatment effects in HFpEF.
    Matched MeSH terms: Angiotensin-Converting Enzyme Inhibitors/therapeutic use*
  9. Jan RK, Alsheikh-Ali A, Mulla AA, Sulaiman K, Panduranga P, Al-Mahmeed W, et al.
    Medicine (Baltimore), 2022 Jun 10;101(23):e29452.
    PMID: 35687781 DOI: 10.1097/MD.0000000000029452
    This study aimed to report on the use, predictors and outcomes of guideline-based medical therapy (GBMT) in patients with acute heart failure (HF) with reduced ejection fraction of <40% (HFrEF), from seven countries in the Arabian Gulf.Patients with acute HFrEF (N = 2680), aged 18 years or older, and hospitalized February-November 2012 were recruited and data were collected post discharge at 3 months (n = 2477) and 1 year (n = 2418). The use and doses of GBMT were evaluated as per European, American and Canadian HF guidelines. Analyses were performed using multivariate logistic regression. This study was registered at clinicaltrials.gov (NCT01467973).The majority of patients were on dual (39%) and triple (39%) GBMT modalities, 14% received one GBMT medication, while 7.2% were not on any GBMT medications. On admission, 80% of patients were on renin-angiotensin system (RAS) blockers, 75% on b-blockers and 56% on mineralocorticoid receptor antagonists (MRAs), with a small proportion of these patients were taking target doses (RAS blockers 13%, b-blockers 7.3%, MRAs 14%). Patients taking triple GBMT were younger (P 
    Matched MeSH terms: Angiotensin-Converting Enzyme Inhibitors/therapeutic use
  10. Hasan SS, Kow CS, Hadi MA, Zaidi STR, Merchant HA
    Am J Cardiovasc Drugs, 2020 Dec;20(6):571-590.
    PMID: 32918209 DOI: 10.1007/s40256-020-00439-5
    INTRODUCTION: The use of renin-angiotensin system (RAS) inhibitors, including angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin receptor blockers (ARBs), was alleged to cause a more severe course of novel coronavirus disease 2019 (COVID-19).

    METHODS: We systematically reviewed the published studies to assess the association of RAS inhibitors with mortality as well as disease severity in COVID-19 patients. A systematic literature search was performed to retrieve relevant original studies investigating mortality and severity (severe/critical disease) in COVID-19 patients with and without exposure to RAS inhibitors.

    RESULTS: A total of 59 original studies were included for qualitative synthesis. Twenty-four studies that reported adjusted effect sizes (24 studies reported mortality outcomes and 16 studies reported disease severity outcomes), conducted in RAS inhibitor-exposed and unexposed groups, were pooled in random-effects models to estimate overall risk. Quality assessment of studies revealed that most of the studies included were of fair quality. The use of an ACEI/ARB in COVID-19 patients was significantly associated with lower odds (odds ratio [OR] = 0.73, 95% confidence interval [CI] 0.56-0.95; n = 18,749) or hazard (hazard ratio [HR] = 0.75, 95% CI 0.60-0.95; n = 26,598) of mortality compared with non-use of ACEI/ARB. However, the use of an ACEI/ARB was non-significantly associated with lower odds (OR = 0.91, 95% CI 0.75-1.10; n = 7446) or hazard (HR = 0.73, 95% CI 0.33-1.66; n = 6325) of developing severe/critical disease compared with non-use of an ACEI/ARB.

    DISCUSSION: Since there was no increased risk of harm, the use of RAS inhibitors for hypertension and other established clinical indications can be maintained in COVID-19 patients.

    Matched MeSH terms: Angiotensin-Converting Enzyme Inhibitors/therapeutic use*
  11. Kow CS, Ramachandram DS, Hasan SS
    Crit Care Med, 2022 Nov 01;50(11):e796-e797.
    PMID: 36227048 DOI: 10.1097/CCM.0000000000005618
    Matched MeSH terms: Angiotensin-Converting Enzyme Inhibitors/therapeutic use
  12. Ong HT, Rozina G
    Med J Malaysia, 2009 Mar;64(1):3-11.
    PMID: 19852313 MyJurnal
    Since hypertension is generally asymptomatic, in treating hypertension we are actually seeking to prevent target organ damage and reduce adverse clinical outcome. There have been numerous large clinical trials addressing the question of whether any antihypertensive drug has special protective effects on the cardiovascular and renal systems in addition to the benefit from blood pressure (BP) reduction1-15. In seeking to correctly interpret the message from these trials, it is important to avoid the confusion that can occur when pharmaceutical companies seek to make the results suit their marketing needs 16-18. The aim of this article is thus to provide an unbiased review of the value of the different antihypertensive drugs for the clinician treating essential hypertension in Malaysia.
    Matched MeSH terms: Angiotensin-Converting Enzyme Inhibitors/therapeutic use
  13. Chin SP, Sapari S, How SH, Sim KH
    Med J Malaysia, 2006 Aug;61(3):278-83.
    PMID: 17240575 MyJurnal
    Evidence-based heart failure management now includes beta-blockers and spironolactone in addition to diuretics and angiotensin-converting enzyme inhibitors. We aim to determine if these recommendations had been applied in practice for acute and chronic stable heart failure, and what difficulties there might be. Data from 80 consecutive patients hospitalized for decompensated heart failure ('acute') between May and July 2003 were analyzed at admission, upon discharge and at 12 weeks follow-up; along with 74 cardiology clinic out-patients with stable congestive heart failure ('chronic'- no decompensation or admission in previous six months). Less than half of study patients with prior left ventricular dysfunction were on ACE-inhibitors (47%), diuretics (39%), ATII antagonists, spironolactone or digoxin (5% each). All 'acute' patients were commenced on diuretics and ACE-inhibitors in hospital. Six patients died or transferred to another center. Compliance with clinic appointment at 12 weeks was 85% despite telephone reminders. Drug prescription at 12 weeks was significantly lower for diuretics and ACE-inhibitors compared to prescription at discharge (all p < 0.05) but higher compared to patients with chronic HF. Diuretics and ACE inhibitors remain under-utilized for patients with recurrent heart failure. Use of spironolactone and beta-blocker is slow due to limited medical experience and funding. Clinic non-attendance is significant and due to patient factors.
    Matched MeSH terms: Angiotensin-Converting Enzyme Inhibitors/therapeutic use
  14. Navookarasu NT, Rahman AR, Abdullah I
    Int J Clin Pract, 1999 Jan-Feb;53(1):25-30.
    PMID: 10344062
    Despite their proven value in reducing morbidity and mortality in different grades of heart failure, angiotensin converting enzyme (ACE) inhibitors continue to be underused. One reason for this is clinicians' apprehension of first-dose hypotension. We conducted a double-blind, randomised, placebo-controlled parallel group study to investigate the effect of various ACE inhibitors on first-dose hypotension. Eighty unselected patients were randomised into five treatment groups: placebo, captopril 6.25 mg, enalapril 2.5 mg, perindopril 2 mg and lisinopril 2.5 mg. Blood pressure was measured at baseline, half hourly for two hours and hourly for three hours after drug treatment. The maximum drops in mean arterial pressure (in mmHg +/- SD) were placebo 5.89 +/- 2.65, perindopril 5.29 +/- 2.49, enalapril 13.28 +/- 3.31, lisinopril 15.04 +/- 5.74 and captopril 16.76 +/- 5.74 (all p < 0.05 vs placebo except for perindopril). Perindopril, unlike the other ACE inhibitors studied, did not produce first-dose hypotension following its initiation in patients with congestive heart failure.
    Matched MeSH terms: Angiotensin-Converting Enzyme Inhibitors/therapeutic use*
  15. Sharma JN, Uma K, Noor AR, Rahman AR
    Gen. Pharmacol., 1996 Jan;27(1):55-63.
    PMID: 8742494
    1. The kallikrein-kinin system has a significant role in regulating arterial blood pressure. 2. Reduced formation of the kinin compontents may cause hypertensive diseases. This is because of the fact that this system is responsible for vasodilatation, reduction in total peripheral resistance, natriuresis, diuresis, increasing renal blood flow and releasing various vasodilator agents. 3. Reduced kinin-kallikrein generation in hypertensive subjects may also be associated with genetic and environmental defects. 4. The kallikrein-kinin system when administered to hypertensive patients can lower their raised blood pressure to normotensive levels. 5. The mode of action of angiotensin-converting enzyme inhibitors principally may be dependent on the kinin system protection.
    Matched MeSH terms: Angiotensin-Converting Enzyme Inhibitors/therapeutic use
  16. Gupta G, Dahiya R, Singh Y, Mishra A, Verma A, Gothwal SK, et al.
    Chem Biol Interact, 2020 Feb 01;317:108975.
    PMID: 32032593 DOI: 10.1016/j.cbi.2020.108975
    In patients with acute kidney injury progressively converting into chronic kidney disease (CKD), proteinuria and high blood pressure predict progression to end-stage renal disease (ESRD). Although, Renin-angiotensin-aldosterone system (RAAS) regulates blood pressure and kidney disease through both direct and indirect mechanisms. RAAS blockers that act at the level of angiotensin or lower in the cascade can cause compensatory increases in the plasma renin and angiotensin II level. Here, in this review article, we are exploring the evidence-based on RAAS blockade action releases of aldosterone and hypothesizing the molecular mechanism for converting the acute kidney injury into chronic kidney disease to end-stage renal disease.
    Matched MeSH terms: Angiotensin-Converting Enzyme Inhibitors/therapeutic use
  17. Rahman MA, Rahman MS, Bashir NMB, Mia R, Hossain A, Saha SK, et al.
    Int J Med Mushrooms, 2021;23(5):1-11.
    PMID: 34347990 DOI: 10.1615/IntJMedMushrooms.2021038285
    Since December 2019, a de novo pattern of pneumonia, later named coronavirus disease 2019 (COVID-19), has caused grave upset throughout the global population. COVID-19 is associated with several comorbidities; thus, preventive and therapeutic strategies targeting those comorbidities along with the causative agent, severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), seem imperative. In this state-of-the-art review, edible and medicinal mushrooms are featured in the treatment of SARS-CoV-2, COVID-19 pathomanifestations, and comorbid issues. Because this is not an original research article, we admit our shortcomings in inferences. Yet we are hopeful that mushroom-based therapeutic approaches can be used to achieve a COVID-free world. Among various mushroom species, reishi or lingzhi (Ganoderma lucidum) seem most suitable as anti-COVID agents for the global population.
    Matched MeSH terms: Angiotensin-Converting Enzyme Inhibitors/therapeutic use
  18. Singh Y, Gupta G, Satija S, Negi P, Chellappan DK, Dua K
    Dermatol Ther, 2020 Jul;33(4):e13501.
    PMID: 32359088 DOI: 10.1111/dth.13501
    Matched MeSH terms: Angiotensin-Converting Enzyme Inhibitors/therapeutic use*
  19. Sasongko TH, Nagalla S, Ballas SK
    PMID: 26041152 DOI: 10.1002/14651858.CD009191.pub3
    BACKGROUND: Sickle cell disease is a group of disorders characterized by deformation of erythrocytes. Renal damage is a frequent complication in sickle cell disease as a result of long-standing anemia and disturbed circulation through the renal medullary capillaries. Due to the improvement in life expectancy of people with sickle cell disease, there has been a corresponding significant increase in the incidence of renal complications. Microalbuminuria and proteinuria are noted to be a strong predictor of subsequent renal failure. There is extensive experience and evidence with angiotensin-converting enzyme (ACE) inhibitors over many years in a variety of clinical situations for patients who do not have sickle cell disease, but their effect in people with this disease is unknown. It is common practice to administer ACE inhibitors for sickle nephropathy due to their renoprotective properties; however, little is known about their effectiveness and safety in this setting. This is an update of a Cochrane Review first published in 2013.

    OBJECTIVES: To determine the effectiveness of ACE inhibitor administration in people with sickle cell disease for decreasing intraglomerular pressure, microalbuminuria and proteinuria and to to assess the safety of ACE inhibitors as pertains to their adverse effects.

    SEARCH METHODS: The authors searched the Cochrane Cystic Fibrosis and Genetic Disorders Group's Hameoglobinopathies Trials Register comprising references identified from comprehensive electronic database searches and handsearches of relevant journals and abstract books of conference proceedings.Date of the most recent search: 03 June 2015.

    SELECTION CRITERIA: Randomized or quasi-randomized controlled trials of ACE inhibitors designed to reduce microalbuminuria and proteinuria in people with sickle cell disease compared to either placebo or standard treatment regimen.

    DATA COLLECTION AND ANALYSIS: Three authors independently applied the inclusion criteria in order to select studies for inclusion in the review. Two authors assessed the risk of bias of studies and extracted data and the third author verified these assessments.

    MAIN RESULTS: Five studies were identified through the searches, only one met our inclusion criteria. The included study randomized 22 participants (seven males and 15 females) having proteinuria or microalbuminuria with sickle cell disease and treated the participants for six months (median length of follow up of three months) with captopril or placebo. The overall quality of the outcomes reported was high, since most aspects that may contribute to bias were regarded to be of low risk, although allocation concealment was not reported. At six months, the study reported no significant difference in urinary albumin excretion between the captopril group and the placebo group, although the mean urinary albumin excretion in the captopril group was lower by a mean difference of -49.00 (95% confidence interval -124.10 to 26.10) compared to that of placebo. However, our analysis on the absolute change score showed significant changes between the two groups by a mean difference of -63.00 (95% confidence interval -93.78 to -32.22). At six months albumin excretion in the captopril group was noted to decrease from baseline by a mean of 45 ± 23 mg/day and the placebo group was noted to increase by 18 ± 45 mg/day. Serum creatinine and potassium levels were reported constant throughout the study. The potential for inducing hypotension should be highlighted; the study reported a decrease of 8 mmHg in systolic pressure and 5 mmHg in diastolic and mean blood pressure.

    AUTHORS' CONCLUSIONS: There is not enough evidence to show that the administration of ACE inhibitors is associated with a reduction of microalbuminuria and proteinuria in people with sickle cell disease, although a potential for this was seen. More long-term studies involving multiple centers and larger cohorts using a randomized-controlled design are warranted, especially among the pediatric age group. Detailed reporting of each outcome measure is necessary to allow a clear cut interpretation in a systematic review. One of the difficulties encountered in this review was the lack of detailed data reported in the included study.

    Matched MeSH terms: Angiotensin-Converting Enzyme Inhibitors/therapeutic use*
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