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解説

海外の報告では,酸分泌抑制薬を含まないH. pyloriの除菌治療単独と

PPI

単独投与とでは,

開放性(活動性)胃潰瘍の 8 週治癒率は同等である1〜9).しかし,日本の報告では,15

mm

以上の 開放性(活動性)胃潰瘍の場合には,H. pyloriの除菌治療単独は

PPI

単独投与より 8 週治癒率が 劣る(図 1)10).また,開放性(活動性)胃潰瘍に対して,H. pyloriの除菌治療後に酸分泌抑制薬以 外の抗潰瘍薬の追加投与によって,潰瘍治癒率は向上する11, 12).さらに,開放性(活動性)胃潰瘍 に対して,酸分泌抑制薬以外の抗潰瘍薬と酸分泌抑制薬との比較試験では,同様な潰瘍治癒率

開放性(活動期)胃潰瘍に対して H. pylori 除菌治療後の潰瘍

33

①初期治療【胃潰瘍】

が得られる13〜15).以上のことから,H. pylori除菌治療後に酸分泌抑制薬やその他の抗潰瘍薬によ る潰瘍治療を追加することで潰瘍治癒促進が期待できる.

文献

1)Sung JJ, Chung SC, Ling TK, et al. Antibacterial treatment of gastric ulcers associated withHelicobacter pylori. N Engl J Med1995; 332: 139-142(ランダム)

2)Axon AT, O’Moráin CA, Bardhan KD, et al. Randomised double blind controlled study of recurrence of gastric ulcer after treatment for eradication ofHelicobacter pyloriinfection. BMJ1997; 314: 565-568(ランダ ム)

3)Seppälä K, Pikkarainen P, Sipponen P, et al. Cure of peptic gastric ulcer associated with eradication of Helicobacter pylori: Finnish Gastric Ulcer Study Group. Gut1995; 36: 834-837(ランダム)

4)Bayerdörffer E, Miehlke S, Lehn N, et al. Cure of gastric ulcer disease after cure ofHelicobacter pylori infec-tion: German Gastric Ulcer Study. Eur J Gastroenterol Hepatol1996; 8: 343-349(ランダム)

5)Lazzaroni M, Perego M, Bargiggia S, et al. Helicobacter pylorieradication in the healing and recurrence of benign gastric ulcer: a two-year, double-blind, placebo controlled study. Ital J Gastroenterol Hepatol1997;

29: 220-227(ランダム)

6)Meining A, Hochter W, Weingart J, et al. Double-blind trial of omeprazole and amoxicillin in the cure of Helicobacter pyloriinfection in gastric ulcer patients: The Ulcer Study Group, Germany. Scand J Gastroen-terol1998; 33: 49-54(ランダム)

7)Malfertheiner P, Bayerdörffer E, Diete U, et al. The GU-MACH study: the effect of1-week omeprazole triple therapy onHelicobacter pyloriinfection in patients with gastric ulcer. Aliment Pharmacol Ther1999;

13: 703-712(ランダム)

8)Malfertheiner P, Kirchner T, Kist M, et al; BYK Advanced Gastric Ulcer Study Group. Helicobacter pylori eradication and gastric ulcer healing: comparison of three pantoprazole-based triple therapies. Aliment Pharmacol Ther2003; 17: 1125-1135(ランダム)

9)Tulassay Z, Stolte M, Sjölund M, et al. Effect of esomeprazole triple therapy on eradication rates of Heli-cobacter pylori, gastric ulcer healing and prevention of relapse in gastric ulcer patients. Eur J Gastroenterol Hepatol2008; 20: 526-536(ランダム)

10) Higuchi K, Fujiwara Y, Tominaga K, et al. Is eradication sufficient to heal gastric ulcers in patients infected withHelicobacter pylori? a randomized, controlled, prospective study. Aliment Pharmacol Ther2003; 17:

111-117(ランダム)

11) Terano A, Arakawa T, Sugiyama T, et al. Rebamipide, a gastro-protective and anti-inflammatory drug, promotes gastric ulcer healing following eradication therapy forHelicobacter pyloriin a Japanese popula-tion: a randomized, double-blind, placebo-controlled trial. J Gastroenterol2007; 42: 690-693(ランダム)

12) Hiraishi H, Haruma K, Miwa H, et al. Clinical trial: irsogladine maleate, a mucosal protective drug, accel-erates gastric ulcer healing after treatment for eradication ofHelicobacter pyloriinfection: the results of a multicentre, double-blind, randomized clinical trial (IMPACT study). Aliment Pharmacol Ther2010; 31:

824-833(ランダム)

13) Higuchi K, Watanabe T, Tanigawa T, et al. Sofalcone, a gastroprotective drug, promotes gastric ulcer heal-ing followheal-ing eradication therapy forHelicobacter pylori: a randomized controlled comparative trial with cimetidine, an H2-receptor antagonist. J Gastroenterol Hepatol2010; 25(Suppl1): S155-S160(ランダム)

14) Song KH, Lee YC, Fan DM, et al. Healing effects of rebamipide and omeprazole inHelicobacter pylori -posi-tive gastric ulcer patients after eradication therapy: a randomized double-blind, multinational, multi-insti-tutional comparative study. Digestion2011; 84: 221-229(ランダム)

15) Murakami K, Okimoto T, Kodama M, et al. Comparison of the efficacy of irsogladine maleate and famoti-dine for the healing of gastric ulcers afterHelicobacter pylorieradication therapy: a randomized, controlled, prospective study. Scand J Gastroenterol2011; 46: 287-292(ランダム)

© The Japanese Society of Gastroenterology, 2015

解説

開放性(活動期)十二指腸潰瘍では,H. pylori除菌例は非除菌例や除菌失敗例に比較して,有意 に潰瘍治癒が促進される(図 1)1, 2).海外の報告では,酸分泌抑制薬を含まないH. pyloriの除菌単 独で,有意な潰瘍の治癒促進作用がある3).また,H. pyloriの除菌単独と

PPI

単独投与の十二指 腸潰瘍の治癒率は同等である4〜9)

H. pylori 除菌は十二指腸潰瘍の治癒を促進するか?

CQ 2-4 H. pylori

除菌は十二指腸潰瘍の治癒を促進するか?

ステートメント 推奨の強さ

(合意率) エビデンス レベル

H. pylori

除菌は十二指腸潰瘍の治癒を促進するので,行うよう推

奨する. 1

(100%) A

図 1 十二指腸潰瘍治癒におけるH. pylori除菌と非除菌(メタアナリシス)

(文献 1 より)

Study

Avsar 1996 Bardhan 1997 Bayerdörffer 1995 Carpintero 1997 Chen 1995 Figueroa 1996 Graham 1992 Hentschel 1993 Kato 1996 Kim 2002 Lin 1994 Logan 1995 Mantzaris 1993 Miehlke 1995 O'Morain 1996 Pinero 1995 Porro 1996 Pounder 1997 Rauws 1990 Schwartz 1998 Shirotani 1996 Spinzi 1994 Sung 1994 Tomita 2002 Unge 1993 van Zanten 1999 Wang 1993

3/17 10/133 15/132 31/72 10/31 3/536/47 4/503/27 2/36 1/183/51 2/126/26 8/783/10 8/71 0/561/17 19/124

2/18 3/222/61 11/55 48/157

10/98 1/20 1501

6/10 25/63 51/116

34/39 27/29 34/39 34/36 42/40 12/18 5/17 11/18 47/62 19/256/8 41/82 13/20 52/66 16/214/22 11/16 9/14 15/26 22/45 20/20 50/76 25/45 18/26 1008

3.1 4.85.4 6.25.4 3.24.4 3.7 3.22.1 1.53.2 2.64.5 4.7 3.24.8 0.81.6 5.42.5 3.2 2.45.4 6.34.0 1.5 100.0

0.20[0.09,0.92]

0.10[0.10,0.37]

0.26[0.15,0.43]

0.40[0.37,0.66]

0.35[0.21,0.58]

0.06[0.02,0.20]

0.14[0.06,0.29]

0.09[0.04,0.24]

0.17[0.05,0.51]

0.19[0.04,0.38]

0.09[0.01,0.03]

0.08[0.03,0.23]

0.22[0.06,0.84]

0.30[0.15,0.63]

0.21[0.10,0.41]

0.24[0.08,0.72]

0.14[0.07,0.28]

0.04[0.00,0.80]

0.08[0.01,0.52]

0.22[0.13,0.38]

0.17[0.04,0.68]

0.24[0.08,0.71]

0.07[0.02,0.27]

0.20[0.12,0.34]

0.46[0.35,0.62]

0.18[0.10,0.35]

0.07[0.01,0.50]

0.20[0.15,0.26]

Relative Risk(Random)

95%CI

Weight

(%)

Relative Risk(Random)

95%CI Treatment

n/N

Control n/N

35

①初期治療【十二指腸潰瘍】

文献

1)Ford AC, Delaney BC, Forman D, et al. Eradication therapy inHelicobacter pyloripositive peptic ulcer dis-ease: systematic review and economic analysis. Am J Gastroenterol2004; 99: 1833-1855(メタ)

2)Treiber G, Lambert JR. The impact ofHelicobacter pylorieradication on peptic ulcer healing. Am J Gastroen-terol1998; 93: 1080-1084(メタ)

3)Lam SK, Ching CK, Lai KC, et al. Does treatment ofHelicobacter pyloriwith antibiotics alone heal duodenal ulcer? a randomised double blind placebo controlled study. Gut1997; 41: 43-48(ランダム)

4)Gisbert JP, Pajares JM. Systematic review and meta-analysis: is1-week proton pump inhibitor-based triple therapy sufficient to heal peptic ulcer? Aliment Pharmacol Ther2005; 21: 795-804(メタ)

5)Ge ZZ, Zhang DZ, Xiao SD, et al. Does eradication ofHelicobacter pylorialone heal duodenal ulcers? Ali-ment Pharmacol Ther2000; 14: 53-58(ランダム)

6)Wong BC, Lam SK, Lai KC, et al. Triple therapy forHelicobacter pylorieradication is more effective than long-term maintenance antisecretory treatment in the prevention of recurrence of duodenal ulcer: a prospective long-term follow-up study. Aliment Pharmacol Ther1999; 13: 303-309(ランダム)

7)Colin R. Duodenal ulcer healing with1-week eradication triple therapy followed, or not, by anti-secretory treatment: a multicentre double-blind placebo-controlled trial. Aliment Pharmacol Ther2002; 16: 1157-1162(ランダム)

8)Hsu CC, Lu SN, Changchien CS. One-week low-dose triple therapy without anti-acid treatment has suffi-cient efficacy onHelicobacter pylorieradication and ulcer healing. Hepatogastroenterology2003; 50: 1731-1734(ランダム)

9)Tulassay Z, Kryszewski A, Dite P, et al. One week of treatment with esomeprazole-based triple therapy eradicatesHelicobacter pyloriand heals patients with duodenal ulcer disease. Eur J Gastroenterol Hepatol 2001; 13: 1457-1465(ランダム)

© The Japanese Society of Gastroenterology, 2015

解説

十二指腸潰瘍に対して標準的な 3 剤併用の除菌治療を実施する場合に,PPIの前投与は除菌 治療を低下させない1〜3).日本での報告においても同様な結果である4).酸分泌抑制薬と抗菌薬 による 2 剤併用の除菌治療では

PPI

の前投与は除菌率を低下させる2, 5)

文献

1) Axon AT, O’Moráin CA, Bardhan KD, et al. Randomised double blind controlled study of recurrence of gastric ulcer after treatment for eradication ofHelicobacter pyloriinfection. BMJ1997; 314: 565-568(ランダ ム)

2) Ford AC, Delaney BC, Forman D, et al. Eradication therapy inHelicobacter pyloripositive peptic ulcer dis-ease: systematic review and economic analysis. Am J Gastroenterol2004; 99: 1833-1855(メタ)

3) Janssen MJ, Laheij RJ, de Boer WA, et al. Meta-analysis: the influence of pre-treatment with a proton pump inhibitor onHelicobacter pylorieradication. Aliment Pharmacol Ther2005; 21: 341-345(メタ)

4) Inoue M, Okada H, Hori S, et al. Does pretreatment with lansoprazole influenceHelicobacter pylori eradica-tion rate and quality of life? Digeseradica-tion2010; 81: 218-222(ランダム)

5) Ford A, Delaney B, Forman D, et al. Eradication therapy for peptic ulcer disease inHelicobacter pylori posi-tive patients. Cochrane Database Syst Rev2004: CD003840(メタ)

H. pylori 除菌前の PPI 投与は十二指腸潰瘍の除菌率に影響 を与えるか?

CQ 2-5 H. pylori

除菌前の PPI 投与は十二指腸潰瘍の除菌率に影響を与える か?

ステートメント 推奨の強さ

(合意率) エビデンス レベル

H. pylori

除菌前の PPI 投与は 3 剤併用療法の除菌率を低下させな

いので,PPI 投与直後に除菌治療を行うことを推奨する. 1

(100%) A

37