Scolaris Content Display Scolaris Content Display

Study flow diagram.
Figuras y tablas -
Figure 1

Study flow diagram.

Risk of bias graph: review authors' judgements about each risk of bias item presented as percentages across all included studies.
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Figure 2

Risk of bias graph: review authors' judgements about each risk of bias item presented as percentages across all included studies.

Risk of bias summary: review authors' judgements about each risk of bias item for each included study.
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Figure 3

Risk of bias summary: review authors' judgements about each risk of bias item for each included study.

Comparison 1 ACEi versus placebo/no treatment, Outcome 1 Normo‐ to micro‐ or macroalbuminuria.
Figuras y tablas -
Analysis 1.1

Comparison 1 ACEi versus placebo/no treatment, Outcome 1 Normo‐ to micro‐ or macroalbuminuria.

Comparison 1 ACEi versus placebo/no treatment, Outcome 2 All‐cause mortality.
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Analysis 1.2

Comparison 1 ACEi versus placebo/no treatment, Outcome 2 All‐cause mortality.

Comparison 1 ACEi versus placebo/no treatment, Outcome 3 Doubling of SCr.
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Analysis 1.3

Comparison 1 ACEi versus placebo/no treatment, Outcome 3 Doubling of SCr.

Comparison 1 ACEi versus placebo/no treatment, Outcome 4 ESKD.
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Analysis 1.4

Comparison 1 ACEi versus placebo/no treatment, Outcome 4 ESKD.

Comparison 1 ACEi versus placebo/no treatment, Outcome 5 Adverse events.
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Analysis 1.5

Comparison 1 ACEi versus placebo/no treatment, Outcome 5 Adverse events.

Comparison 1 ACEi versus placebo/no treatment, Outcome 6 Blood pressure.
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Analysis 1.6

Comparison 1 ACEi versus placebo/no treatment, Outcome 6 Blood pressure.

Comparison 2 ARB versus placebo/no treatment, Outcome 1 Normo‐ to micro‐ or macroalbuminuria.
Figuras y tablas -
Analysis 2.1

Comparison 2 ARB versus placebo/no treatment, Outcome 1 Normo‐ to micro‐ or macroalbuminuria.

Comparison 2 ARB versus placebo/no treatment, Outcome 2 All‐cause mortality.
Figuras y tablas -
Analysis 2.2

Comparison 2 ARB versus placebo/no treatment, Outcome 2 All‐cause mortality.

Comparison 2 ARB versus placebo/no treatment, Outcome 3 Doubling of SCr.
Figuras y tablas -
Analysis 2.3

Comparison 2 ARB versus placebo/no treatment, Outcome 3 Doubling of SCr.

Comparison 2 ARB versus placebo/no treatment, Outcome 4 ESKD.
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Analysis 2.4

Comparison 2 ARB versus placebo/no treatment, Outcome 4 ESKD.

Comparison 2 ARB versus placebo/no treatment, Outcome 5 Adverse events.
Figuras y tablas -
Analysis 2.5

Comparison 2 ARB versus placebo/no treatment, Outcome 5 Adverse events.

Comparison 2 ARB versus placebo/no treatment, Outcome 6 Blood pressure.
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Analysis 2.6

Comparison 2 ARB versus placebo/no treatment, Outcome 6 Blood pressure.

Comparison 3 ACEi versus ARB, Outcome 1 Normo‐ to micro‐ or macroalbuminuria.
Figuras y tablas -
Analysis 3.1

Comparison 3 ACEi versus ARB, Outcome 1 Normo‐ to micro‐ or macroalbuminuria.

Comparison 3 ACEi versus ARB, Outcome 2 All‐cause mortality.
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Analysis 3.2

Comparison 3 ACEi versus ARB, Outcome 2 All‐cause mortality.

Comparison 4 ACEi versus CCB, Outcome 1 Normo to micro or macroalbuminuria.
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Analysis 4.1

Comparison 4 ACEi versus CCB, Outcome 1 Normo to micro or macroalbuminuria.

Comparison 4 ACEi versus CCB, Outcome 2 All‐cause mortality.
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Analysis 4.2

Comparison 4 ACEi versus CCB, Outcome 2 All‐cause mortality.

Comparison 4 ACEi versus CCB, Outcome 3 Doubling of SCr.
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Analysis 4.3

Comparison 4 ACEi versus CCB, Outcome 3 Doubling of SCr.

Comparison 4 ACEi versus CCB, Outcome 4 ESKD.
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Analysis 4.4

Comparison 4 ACEi versus CCB, Outcome 4 ESKD.

Comparison 4 ACEi versus CCB, Outcome 5 Blood pressure.
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Analysis 4.5

Comparison 4 ACEi versus CCB, Outcome 5 Blood pressure.

Comparison 5 Prevention of kidney disease: other agents, Outcome 1 ACEi + ARB versus ACEi.
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Analysis 5.1

Comparison 5 Prevention of kidney disease: other agents, Outcome 1 ACEi + ARB versus ACEi.

Comparison 5 Prevention of kidney disease: other agents, Outcome 2 ACEi versus BB.
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Analysis 5.2

Comparison 5 Prevention of kidney disease: other agents, Outcome 2 ACEi versus BB.

Comparison 5 Prevention of kidney disease: other agents, Outcome 3 ACEi + CCB versus ACEi.
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Analysis 5.3

Comparison 5 Prevention of kidney disease: other agents, Outcome 3 ACEi + CCB versus ACEi.

Comparison 5 Prevention of kidney disease: other agents, Outcome 4 CCB versus placebo.
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Analysis 5.4

Comparison 5 Prevention of kidney disease: other agents, Outcome 4 CCB versus placebo.

Table 1. Guidelines on pharmacological management of hypertension in diabetic patients

Guideline

Indication

ACEi

ARB

BB

CCB

Diuretics

AB

Chobanian 2003a
USA

Hypertension

Yes

Yes

Yes

Yes

Yes

Yes

DKD (type 1 diabetes)

Yes

Yes

DKD (type 2 diabetes)

Yes

Yes

ADA 2010b

USA

Hypertension

Yes

Yes

DKD (type 1 diabetes)

Yes

Yes

DKD (type 2 diabetes)

Yes

Yes

KDOQI 2007c
USA

Hypertension

DKD (type 1 diabetes)

Yes

Yes

DKD (type 2 diabetes)

Yes

Yes

CDA 2008d
Canada

Hypertensionh

Yes

Yes

Yes

Yes

DKD (type 1 diabetes)

Yes

DKD (type 2 diabetes)

Yes

Yesj

ESH‐ESC 2007e
Europe

Hypertensioni

Yes

Yes

Yes

Yes

DKD (type 1 diabetes)

Yes

Yes

DKD (type 2 diabetes)

Yes

Yes

Williams 2004f
UK

Hypertension

Yesl

Yes

DKD (type 1 diabetes)

Yes

DKD (type 2 diabetes)

Yes

Chadban 2010g
Australia

Hypertension

DKD (type 1 diabetes)

Yes

DKD (type 2 diabetes)

Yes

Yes

a Joint National Committee on Prevention, Diagnosis and Management of Hypertension; b American Diabetes Association; c Kidney Disease Outcome Quality Initiative; d Canadian Diabetes Association; e European Society of Hypertension; f British Hypertension Society; g Caring for Australians with Renal Impairment; h With special consideration given to ACEi or ARB; i A blocker of the renin‐angiotensin system should be a regular component of combination treatment and the one preferred when monotherapy is sufficient; j Consensus for ARB use in type 1 diabetes; kUse calcium antagonists for hypertension when can be managed with monotherapy; use any agent for hypertension which requires combination treatment; lIf intolerant to other agents

AB ‐ alpha‐blocker; ACEi ‐ angiotensin‐converting enzyme inhibitors; ARB ‐ angiotensin receptor blockers; BB ‐ beta‐blockers; CCB ‐ calcium channel blockers; DKD ‐ diabetic kidney disease

Figuras y tablas -
Table 1. Guidelines on pharmacological management of hypertension in diabetic patients
Table 2. Subgroup analysis of ACEi and ARB for preventing diabetic kidney disease

Variables

ACEi versus placebo

ARB versus placebo

ACEi versus CCB

Subgroup

Studies

RR (95% CI)

Heterogeneity

(P)

Subgroup

Studies

RR (95% CI)

Heterogeneity

(P)

Subgroup

Studies

RR (95% CI)

Heterogeneity

(P)

Normoalbuminuria

≥ 500

4

0.84 (0.79,0.90)

0.023

≥ 1500

4

0.86 (0.76,0.97)

0.089

≥ 300

2

0.57 (0.34,0.96)

0.756

< 500

4

0.36 (0.17,0.79)

< 1500

3

1.30 (0.49,3.45)

< 300

3

0.63 (0.38,1.04)

Event rate/100 person‐years

≥ 5

4

0.76 (0.54,1.07)

0.059

≥ 2.8

4

0.83 (0.73,0.94)

0.035

≥ 2.0

3

0.57 (0.39,0.82)

0.378

< 5

4

0.59 (0.41,0.85)

< 2.8

3

1.27 (0.79,2.03)

< 2.0

2

1.01 (0.30,3.43)

Duration of follow‐up (years)

≥ 4

4

0.76 (0.58,1.00)

0.126

≥ 4.8

4

1.27 (0.52,3.11)

0.062

≥ 3

3

0.60 (0.38,0.94)

0.973

< 4

4

0.60 (0.36,1.00)

< 4.8

3

0.84 (0.74,0.94)

< 3

2

0.59 (0.34,1.04)

Diabetes mellitusa

Type 1

4

0.54 (0.24,1.20)

0.526

Type 1

5

1.16 (0.79,1.70)

0.048

Type 1

0

Not estimated

Type 2

3

0.67 (0.43,1.04)

Type 2

3

0.83 (0.73,0.94)

Type 2

5

0.60 (0.42, 0.85)

mixed

1

0.71 (0.39,1.29)

Mixed

0

Mixed

0

Hypertensionb

Yes

4

0.64 (0.43,0.96)

0.740

Yes

3

0.84 (0.75,0.95)

0.127

Yes

5

0.60 (0.42, 0.85)

Not estimated

No

5

0.82 (0.73,0.92)

No

5

1.06 (0.67,1.69)

No

0

Systolic BP (mm Hg)

(difference between treatment/control)

≤ ‐3

4

0.84 (0.79,0.90)

0.075

≤ ‐3.5

3

0.85 (0.61, 1.18)

0.259

> 0

3

0.68 (0.43,1.07)

0.420

> ‐3

3

0.41 (0.15,1.08)

> ‐3.5

3

1.21 (0.72, 2.05)

≤ 0

2

0.50 (0.29,0.87)

Diastolic BP (mm Hg)

(difference between treatment/control)

≤ ‐2

4

0.68 (0.50,0.92)

0.175

≤ ‐2

3

0.94 (0.75, 1.18)

0.828

> 0

2

0.65 (0.39,1.08)

0.651

< ‐2

4

0.61 (0.36,1.05)

< ‐2

3

1.07 (0.66, 1.73)

≤ 0

3

0.55 (0.34,0.90)

Allocation concealment

Yes

3

0.84 (0.79,0.90)

0.019

Yes

5

0.86 (0.77,0.96)

0.047

Yes

1

1.01 (0.30,3.43)

0.378

Unclear

5

0.48 (0.29,0.79)

Unclear

2

0.96 (0.07,12.80)

Unclear

4

0.57 (0.34,0.82)

Intention‐to‐treat analysis

Yes

3

0.84 (0.79,0.90)

0.019

Yes

5

0.88 (0.74,1.05)

0.741

Yes

1

0.59 (0.34,1.04)

0.973

Unclear/No

5

0.48 (0.29,0.79)

Unclear/No

2

1.37 (0.45,4.14)

Unclear/no

4

0.60 (0.38,0.94)

Lost to follow‐up

< 1%

4

0.71 (0.44,1.16)

0.075

< 1%

3

0.77 (0.63,0.93)

0.119

< 1%

2

0.63 (0.38,1.04)

0.580

≤ 1%

4

0.64 (0.48,0.86)

≤ 1%

4

0.99 (0.78,1.24)

≤ 1%

3

0.57 (0.34,0.96)

a TRANSCEND was split as type 1 and type 2 diabetes mellitus; b ADVANCE was split as hypertension and normotension

ACEi ‐ angiotensin‐converting enzyme inhibitors; ARB ‐ angiotensin receptor blockers; CCB ‐ calcium channel blockers

Figuras y tablas -
Table 2. Subgroup analysis of ACEi and ARB for preventing diabetic kidney disease
Comparison 1. ACEi versus placebo/no treatment

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Normo‐ to micro‐ or macroalbuminuria Show forest plot

8

11906

Risk Ratio (M‐H, Random, 95% CI)

0.71 [0.56, 0.89]

2 All‐cause mortality Show forest plot

6

11350

Risk Ratio (M‐H, Random, 95% CI)

0.84 [0.73, 0.97]

3 Doubling of SCr Show forest plot

5

10749

Risk Ratio (M‐H, Random, 95% CI)

0.77 [0.39, 1.49]

4 ESKD Show forest plot

3

10504

Risk Ratio (M‐H, Random, 95% CI)

1.94 [0.66, 5.70]

5 Adverse events Show forest plot

6

Risk Ratio (M‐H, Random, 95% CI)

Subtotals only

5.1 Cough

6

11791

Risk Ratio (M‐H, Random, 95% CI)

1.84 [1.24, 2.72]

5.2 Headache

3

10504

Risk Ratio (M‐H, Random, 95% CI)

1.19 [0.47, 3.02]

5.3 Hyperkalaemia

3

2783

Risk Ratio (M‐H, Random, 95% CI)

2.98 [0.47, 18.78]

6 Blood pressure Show forest plot

2

Mean Difference (IV, Random, 95% CI)

Subtotals only

6.1 Systolic BP

2

7526

Mean Difference (IV, Random, 95% CI)

‐5.37 [‐7.12, ‐3.62]

6.2 Diastolic BP

2

7526

Mean Difference (IV, Random, 95% CI)

‐1.50 [‐1.50, ‐1.50]

Figuras y tablas -
Comparison 1. ACEi versus placebo/no treatment
Comparison 2. ARB versus placebo/no treatment

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Normo‐ to micro‐ or macroalbuminuria Show forest plot

5

7653

Risk Ratio (M‐H, Random, 95% CI)

0.90 [0.68, 1.19]

2 All‐cause mortality Show forest plot

5

7653

Risk Ratio (M‐H, Random, 95% CI)

1.12 [0.88, 1.41]

3 Doubling of SCr Show forest plot

3

6217

Risk Ratio (M‐H, Random, 95% CI)

1.36 [0.64, 2.88]

4 ESKD Show forest plot

3

6217

Risk Ratio (M‐H, Random, 95% CI)

0.50 [0.09, 2.71]

5 Adverse events Show forest plot

3

Risk Ratio (M‐H, Random, 95% CI)

Subtotals only

5.1 Cough

2

1770

Risk Ratio (M‐H, Random, 95% CI)

1.01 [0.42, 2.44]

5.2 Headache

3

3191

Risk Ratio (M‐H, Random, 95% CI)

0.73 [0.52, 1.01]

5.3 Hyperkalaemia

3

3191

Risk Ratio (M‐H, Random, 95% CI)

2.30 [0.69, 7.71]

6 Blood pressure Show forest plot

2

Mean Difference (IV, Random, 95% CI)

Subtotals only

6.1 Systolic BP

2

1770

Mean Difference (IV, Random, 95% CI)

‐3.28 [‐5.29, ‐1.27]

6.2 Diastolic BP

2

1770

Mean Difference (IV, Random, 95% CI)

‐2.0 [‐2.64, ‐1.36]

Figuras y tablas -
Comparison 2. ARB versus placebo/no treatment
Comparison 3. ACEi versus ARB

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Normo‐ to micro‐ or macroalbuminuria Show forest plot

2

4303

Risk Ratio (M‐H, Random, 95% CI)

0.57 [0.14, 2.23]

2 All‐cause mortality Show forest plot

2

4303

Risk Ratio (M‐H, Random, 95% CI)

1.02 [0.85, 1.22]

Figuras y tablas -
Comparison 3. ACEi versus ARB
Comparison 4. ACEi versus CCB

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Normo to micro or macroalbuminuria Show forest plot

5

1253

Risk Ratio (M‐H, Random, 95% CI)

0.60 [0.42, 0.85]

2 All‐cause mortality Show forest plot

5

1519

Risk Ratio (M‐H, Random, 95% CI)

0.84 [0.26, 2.73]

3 Doubling of SCr Show forest plot

3

607

Risk Ratio (M‐H, Random, 95% CI)

0.0 [0.0, 0.0]

4 ESKD Show forest plot

4

680

Risk Ratio (M‐H, Random, 95% CI)

0.0 [0.0, 0.0]

5 Blood pressure Show forest plot

2

Mean Difference (IV, Random, 95% CI)

Subtotals only

5.1 Systolic BP

2

430

Mean Difference (IV, Random, 95% CI)

4.0 [1.59, 6.41]

5.2 Diastolic BP

2

430

Mean Difference (IV, Random, 95% CI)

1.22 [‐0.42, 2.85]

Figuras y tablas -
Comparison 4. ACEi versus CCB
Comparison 5. Prevention of kidney disease: other agents

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 ACEi + ARB versus ACEi Show forest plot

2

4171

Risk Ratio (M‐H, Random, 95% CI)

0.88 [0.78, 1.00]

2 ACEi versus BB Show forest plot

1

Risk Ratio (M‐H, Random, 95% CI)

Totals not selected

3 ACEi + CCB versus ACEi Show forest plot

1

Risk Ratio (M‐H, Random, 95% CI)

Totals not selected

4 CCB versus placebo Show forest plot

1

Risk Ratio (M‐H, Random, 95% CI)

Totals not selected

Figuras y tablas -
Comparison 5. Prevention of kidney disease: other agents