Table 1 Studies on RAS blockade and the benefit or risk of cardiovascular and renal outcomes in patients with advanced CKD

From: Role of renin-angiotensin system blockade in advanced CKD: to use or not to use?

Authors

Design

Patient’s number included

Follow-up

Comparison

CKD stage

Outcome

Cardiovascular outcome

Renal outcome

Hou et al. [7]

Prospective observation

Group 1: 141

3.4 years

Before vs. after initiating RASi

sCr 1.5–3.0

NA

Composite of 2xsCr, RRT, or death

22% primary end point (better than Group 2 RASi)

RCT

Group 2: 281

3.4 years

Initiating RASi vs. placebo

sCr 3.1–5.0

NA

Composite of 2xsCr, RRT, or death

Favors initiating RASi (41% RASi and 60% placebo)

Fu et al. [8]

Retrospective cohort

4803

4.1 years

Initiating RASi vs. CCB

G4-5

MACE

NS

RRT

Favors initiating RASi

Ahmed et al. [9]

Prospective observation

52

>12 months

Before vs. after stopping RASi

G4-5

NA

eGFR slope (mL/min/year)

−0.39 vs. +4.38

Qiao et al. [10]

Retrospective cohort

3909

2.9 years

Continuing vs. stopping RASi

G4-5

5-year all-cause death

MACE

Favors continuing RASi

Favors continuing RASi

RRT

NS

Walther et al. [11]

Retrospective cohort

141,252

4.87 years

Continuing vs. stopping RASi

G3-4

All-cause death

Favors continuing RASi

RRT

Favors continuing RASi

Fu et al. [12]

Retrospective cohort

10,254

>5 years

Continuing vs. stopping RASi

G4-5

5-year all-cause death

MACE

Favors continuing RASi

Favors continuing RASi

RRT

Favors stopping RASi

Nakayama et al. [13]

Retrospective cohort

334

>6 months

With RASi vs. without RASi

G5D

NA

Unplanned RRT

Favors using RASi

Bhandari et al. [14] (STOP-ACEi trial)

RCT

410

3 years

Continuing vs. stopping RASi

G4-5

Hospitalization from any cause

Cardiovascular events or death

Ongoing

eGFR

RRT or eGFR decline >50%

Time to RRT

Ongoing

  1. RCT randomized controlled trial, RASi renin-angiotensin system inhibitor, CCB calcium channel blocker, sCr serum creatinine level, NA not applicable, MACE major adverse cardiovascular event, NS not significant, 2xsCr doubling of the serum creatinine level, RRT renal replacement therapy, eGFR estimated glomerular filtration rate