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Table 5 Characteristics of systematic reviews comparing PPI and H2 receptor antagonists (H2RAs) (n = 3)

From: Pharmacological regimens for eradication of Helicobacter pylori: an overview of systematic reviews and network meta-analysis

Author, year, country

Last search date

Disease

H2RAs

PPI

No. of studies in MA

No. of patients in MA

Eradication rates by ITT

Eradication rates odds ratio (95 % CI) by ITT

Quality assessmenta

Gisbert et al. 2003 Spain [40]

Jan 2002

HP infection; naïve to treatment; PUD/NUD

H2RAs (ranitidine/famotidine/nizatidine)+

PPI (ome/lanso)+

20

2374

69 % vs. 74 %

Triple vs. H 2 RAs 1.31 (1.09-1.58)

+

+ two same antibiotics (amoxicillin/clarithromycin/metronidazole/tinidazole) +/− bismuth-

Graham et al. 2003 US [53]

1990–2001 (Published date)

HP infection; either naïve or with previous treatment failures

H2RAs(nizatidine/famotidine/ranitidine) +

PPI (lanso/ome) +

12

1441

78 % vs. 81 %

0.83 (0.63–1.09)

0

+ two same antibiotics (clarithromycin/amoxicillin/metronidazole/tinidazole)

H2RAs(not specified)+

Clarithromycin-containing triple : Clarithromycin + PPI(not specified)+

6

Not reported

79 % vs. 69 %

1.14 (0.76–1.71)

+ one same antibiotics (not specified)

H2RAs(not specified)+

Clarithromycin NOT-containing triple: PPI(not specified)+

6

Not reported

78 % vs. 85 %

0.64 (0.45–0.92)

+two same antibiotics (not specified)

Ren et al. 2010 China [41]

Apr 2010

HP infection; naïve to treatment

Lafutidine-containing: H2RAs(lafutidine)+

Lanso-containing triple: PPI(lanso) +

3

238

78 % vs. 77.5 %

1.03 (0.64–1.66)

++

+ two same antibiotics (clarithromycin + amoxicillin)

  1. HP H.pylori, H2RAs H2 receptor antagonists, PPI proton pump inhibitor, esome esomeprazole, lanso lansoprazole, ome omeprazole, panto pantoprazole, rabe rabeprazole, PUD peptic ulcer disease, NUD non-ulcer dyspepsia, MA meta-analysis, ITT intention to treat, CI confidence interval, RCT randomized controlled trials
  2. a Quality assessment: high quality (++): majority of criteria met, little or no risk of bias and results unlikely to be changed by further research. Acceptable (+): most criteria met, some flaws in the study with an associated risk of bias and conclusions may change in the light of further studies. Low quality (0): either most criteria not met or significant flaws relating to key aspects of study design, and conclusions likely to change in the light of further studies