交沙霉素、甲硝唑、果胶铋三联疗法根除幽门螺杆菌的疗效观察

目的:观察交沙霉素、甲硝唑、果胶铋三联疗法对幽门螺杆菌(Hp)感染的根除效果及其副反应。方法:将63例有 Hp 感染的患者随机分成两组,A 组32例,口服交沙霉素600mg、甲硝唑0.2及果胶铋100mg,均每日3次,疗程2周:B 组31例,治疗同 A 组,只是将交沙霉素改为1000mg,每日2次,疗程1周。消化性溃疡患者同时给予法莫替丁20mg,每日2次,共2周。疗程结束后4周复查胃镜,并检测 Hp。结果:A 组 Hp 根除率90.6%、溃疡愈合率87.5%、副反应发生率9.38%:B 组分别为71.0%、80.7%、25.8%,两组相比,溃疡愈合率无显著性差异(P>0.05),但 Hp 根除率及副反应发生率均有非常显著性差异(P<0.01)。结论:低剂量新三联2周疗法对 Hp 感染的根除效果好,费用低,且副反应少,依从性好,为较理想的 Hp 根除方案。     

奥美拉唑或兰索拉唑、阿莫西林、呋喃唑酮短程三联疗法根除幽门螺杆菌

目的探索根除率较高、价廉、安全实用的HP根除方案.方法137例消化性溃疡或糜烂性胃窦炎患者,随机分为3组A组44例,以奥美拉唑20mg+克拉霉素250mg+替硝唑500mg每天2次,疗程7天,即Bazzoli方案;B组47例,以奥美拉唑20mg+阿莫西林1000mg+呋喃唑酮100mg,每天2次,疗程7天;C组46例,以兰索拉唑30mg每天1次,阿莫西林1000mg+呋喃唑酮100mg每天2次,疗程7天.活动期溃疡患者抗HP治疗后继服奥美拉唑20mg或兰索拉唑30mg,每天1次,3周.抗HP治疗结束1月后复查胃镜并检测HP.结果A、B、C3组的HP根除率分别为90.9%、87.2%和89.1%;活动期溃疡愈合率分别为100%、93.8%和100%;糜烂性胃窦炎愈合率分别为85.2%、79.2%和92.2%;副反应发生率分别为13.6%、6.4%和8.7%.各组间差异无显著性,P＞0.05.A、B、C3组每例抗HP所需费用分别为544.5元、309.0元和170.5元.结论方案B、C是2种新的、根除率较高、价廉、安全实用的HP根除方案.     

根除及补救方案治疗儿童幽门螺杆菌感染的临床研究

156例幽门螺杆菌(Hp)感染患儿随机分为两组,A组给予克拉霉素、奥美拉唑、阿莫西林三联1周疗法,B组给予甲硝唑、奥美拉唑、阿莫西林2周疗法进行Hp根除治疗.对耐药病例分别采用阿奇霉素、奥美拉唑、阿莫西林三联1周及克拉霉素增大剂量并延长奥美拉唑疗程的补救方案进行复治.发现A、B组根除率比较无统计学差异(87% vs 82%,P>0.05);23例耐药病例经补救方案复治后,A、B组根除率比较亦无统计学差异(84.6% vs 60%,P>0.05).认为以上两种治疗方法均安全有效、易接受;耐药病例选择阿奇霉素或增加克拉霉素剂量,延长奥美拉唑疗程作为补救治疗是目前儿童Hp感染复治的理想方案.     

2种根除幽门螺杆菌方案的比较研究

[目的]通过2种根除幽门螺杆菌(Hp)方案的比较,以期探讨根除方案的优劣及Hp耐药的机制。[方法]139例因各种上消化道症状行胃镜检查并快速尿素酶试验阳性的患者,随机分为2组(符合根除Hp的条件及排除条件),A组67例用奥美拉唑20mg,阿莫西林1g,克拉霉素0.5g;B组72例用奥美拉唑20mg,阿莫西林克拉维酸钾分散片(7∶1)4片,克拉霉素0.5g。均每日2次,共1周。根除结束1个月后,再行13碳-尿素呼气试验,判断Hp的根除效果。[结果]A组根除率为86.57%(58/67),B组为88.89%(64/72),2组比较差异无统计学意义(P>0.05)。[结论]2组Hp根除率无显著性差异,即加入β-内酰胺酶抑制剂并没有显著提高Hp根除率,故Hp可能不产生β-内酰胺酶,其耐药性可能与β-内酰胺酶无关。     

奥美拉唑三联疗法根除幽门螺杆菌的疗效观察

目的探讨奥美拉唑三联疗法根除幽门螺杆菌(Hp)的疗效.方法Hp阳性的活动性十二指肠溃疡患者61例,男50例,女11例,年龄18岁～62岁.将患者随机分为三联疗法组30例,口服奥美拉唑20mg,1次/d,阿莫西林500mg,呋喃唑酮100mg,3次/d;二联疗法组31例,口服奥美拉唑20mg,1次/d,阿莫西林500mg,3次/d.疗程均为2wk,疗程结束1mo后内镜检查溃疡愈合情况及Hp检测.结果三联疗法Hp根除率及溃疡愈合率分别为93.3%(28/30)及90%(27/30),高于二联疗法组的77.4%(24/31)及80.6%(25/31),经x2检验,差异无显著性(P>0.05).结论奥美拉唑三联疗法有很理想的Hp根除率及溃疡愈合率,不良反应少     

雷贝拉唑与奥美拉唑三联疗法根除幽门螺杆菌感染疗效比较

目的 比较雷贝拉唑钠肠溶片与奥美拉唑镁片三联疗法根除幽门螺杆菌(Hp)感染的疗效,以指导临床用药.方法 经内镜组织病理学确诊为Hp阳性的病例,随机分为2组,A组:奥美拉唑镁片20 mg每日2次,加替沙星片0.2 g每日2次,呋喃唑酮片0.1 g每日2次;B组:雷贝拉唑钠肠溶片10 mg每日2次,加替沙星片0.2 g每日2次,呋喃唑酮片0.1 g每日2次,共1周.4周后复查14C呼气试验.结果 雷贝拉唑钠肠溶片三联疗法和奥美拉唑镁片三联疗法Hp根除率分别达到95.5%和92.6%(P>0.05).雷贝拉唑钠肠溶片三联疗法发生纳差1例;奥美拉唑镁片三联疗法2例发生轻度不良反应,其中纳差1例,恶心1例.均能耐受.结论 雷贝拉唑钠肠溶片及奥美拉唑镁片三联疗法均能有效根除Hp,且雷贝拉唑钠肠溶片三联疗法具有较好性价比,是理想的临床用药.     

左氧氟沙星四联疗法根除幽门螺杆菌感染疗效观察

目的观察左氧氟沙星短程四联疗法根除幽门螺杆菌（Hp）感染的疗效。方法 160例Hp阳性病人慢性胃炎和消化性溃疡患者,随机分为两组。治疗组采用雷贝拉唑10mg,阿莫西林1000mg,左氧氟沙星0.2g,呋喃唑酮0.2g,口服,均每日2次,疗程一周;对照组采用雷贝拉唑10mg,阿莫西林1000mg,克拉霉素0.5g,口服,均每日2次,疗程一周,停药1个月后,应用14C-UBT法检测Hp的根除率。结果治疗组根除率为95%明显高于对照组根除率75%,P〈0.05。结论雷贝拉唑、阿莫西林、左氧氟沙星、呋喃唑酮四联疗法的Hp根除率高,毒副作用小,是根除Hp的理想方案,值得推广。     

幽门螺杆菌培养及药敏试验的临床应用

[目的]分析山西省吕梁地区幽门螺杆菌(Hp)对该地区5种常用抗生素的耐药率,探讨不同治疗方案对Hp相关性消化性溃疡(PU)治疗的经济效果.[方法]将284例胃黏膜标本进行Hp临床菌株分离培养成功104例,对该地区常用的5种抗生素进行纸片法药敏实验.根据药敏试验结果选取135例Hp阳性的PU患者,随机分成3组.A组45例(奥美拉唑胶囊加阿莫西林胶囊加呋喃唑酮片);B组45例(埃索美拉唑片加阿莫西林胶囊加克拉霉素片);C组45例(枸椽酸铋钾胶囊加阿莫西林胶囊加甲硝唑片).3组疗程均为4周.观察Hp根除率及溃疡愈合率,运用药物经济学的成本-效果分析(C/E)法对Hp相关性PU的3种治疗方案进行分析评价,比较3种治疗方案对Hp相关性PU治疗的经济效果.[结果]Hp培养阳性率为36.6%,耐药率分别为:甲硝唑片75.3%、克拉霉素片7.4%、阿莫西林胶囊7.4%、左氧氟沙星胶囊12.4%、呋喃唑酮片8.6%.Hp根除率:A、B、C组分别为91.12%、93.33%、51.12%;溃疡愈合率:A、B、C组分别为93.34%、95.56%、42.23%.C/E、增长的成本-效果比分析(△C/△E)及1年内溃疡的复发率调查表明,治疗Hp相关性PU,B组方案最佳.[结论]细菌培养、药敏试验、药物经济学在优化治疗方案、指导合理用药、提高经济效益方面具有重要作用.     

预先使用雷贝拉唑对幽门螺杆菌根除率影响的研究

背景:预先使用质子泵抑制剂(PPI)对幽门螺杆菌(Hp)根除率的影响尚存争议。目的:评价三联疗法实施前使用PPI对Hp根除率的影响。方法:纳入功能性消化不良伴Hp感染患者120例,随机分为A、B组。A组预先给予雷贝拉唑10 mg bid,疗程14 d,继而给予雷贝拉唑10 mg bid+克拉霉素500 mg bid+甲硝唑400 mg bid(RCM方案),疗程14 d;B组给予RCM方案,疗程14 d。治疗结束后4周行13C-尿素呼气试验评估Hp根除疗效。结果:实际完成方案者113例(94.2%)。A组按意向治疗(ITT)和按方案(PP)根除率分别为81.7%、89.1%,B组分别为86.7%、89.7%,两组间差异无统计学意义(P>0.05)。A、B组患者治疗期间不良反应的发生率差异无统计学意义(P=0.60),未见严重不良反应发生。结论:Hp根除治疗前预先使用雷贝拉唑对根除率无影响。     

以复方铋剂为主的四联疗法根除幽门螺杆菌全国多中心临床研究

目的　观察以复方铋剂 (丽珠胃三联 ,含胶体枸橼酸铋 2 2 0mg、克拉霉素 2 5 0mg和替硝唑5 0 0mg)为中心的三联和四联疗法治疗幽门螺杆菌 (Hp)相关性胃炎及消化性溃疡的疗效 ,并比较丽珠胃三联、丽珠胃三联与H2 受体拮抗剂 (H2 RA)或质子泵抑制剂 (PPI)组成的四联疗法 1周与 2周方案的治疗效果。方法　胃镜和组织学证实Hp阳性的 734例患者中 ,除胃溃疡 12 6例随机入选A2、B2和C2组外 ,十二指肠溃疡 2 0 4例和慢性活动性胃炎 4 0 4例随机分成A1、A2、B1、B2及C1、C2组。A1组 :奥美拉唑 2 0mg +丽珠胃三联 4片 ,均每日 2次× 1周 ;A2组 :组方同前× 2周。B1组 :泰胃美 4 0 0mg +丽珠胃三联 4片 ,均每日 2次× 1周 ;B2组 :组方同前× 2周。C1组 :丽珠胃三联 4片 ,每日 2次× 1周 ;C2组 :组方同前× 2周。治疗结束 4周后 ,溃疡病患者复查胃镜 ,观察溃疡愈合和Hp感染状态 ,胃炎患者作13 C UBT ,观察Hp根除率 ,并采用PP和ITT分析。 结果　按PP分析 ,A2组 (95 .74 % )的Hp根除率显著高于A1(86 .2 7% )、B1(90 .10 % )、C1(84 .0 0 % )和C2组 (88.4 9% ) ;按ITT分析 ,C1组 (5 2 .17% )的溃疡愈合率显著低于A2 (76 .92 % )和B2组 (81.5 8% )。结论　丽珠胃三联是目前根除Hp和愈合消化性溃疡的一种有效且价廉的方     

Effects of killing Helicobacter pyloriquadruple therapy on peptic ulcer： A randomized double-blind clinical trial

AIM: To study the therapeutic efficacy of a Chinese and Western integrated regimen, killing Helicobacter pylori quadruple therapy on H pylori-associated peptic ulcers (PU). METHODS: With prospective and double-blind controlled method, seventy-five active PU patients with H pylori infection were randomized to receive one of the following three regimens: (1) new triple therapy (group A: lansoprazole 30 mg qd, plus clarithromycin 250 mg bid, plus amoxycillin 500 mg tid, each for 10 d); (2) killing Hp quadruple therapy(group B: the three above drugs plus killing H pylori capsule 6 capsules bid for 4 wk) and (3) placebo(group C: gastropine 3 tablets bid for 4 wk). H pylori eradication and ulcer healing quality were evaluated under an endoscope 4 wk after treatment. The patients were followed up for 5 years. RESULTS: Both the healing rate of PU and H pylori eradication rate in group B were significantly higher than those in group C (100% and 96.4% vs20% and 0%, respectively,P<0.005), but there was no significant difference compared to those in group A (88% and 92%, P>0.05). The healing quality of ulcer in group B was superior to that in groups C and A (P<0.05). The recurrence rate of PU in group B (4%) was lower than that in group A (10%) and group C (100%,P<0.01). CONCLUSION: Killing Helicobacter pylori quadruple therapy can not only promote the eradication of H pylori and healing quality of ulcer but also reduce recurrence rate of ulcer.     

胶体果胶铋联合泮托拉唑三联治疗H.pylori阳性胃溃疡的疗效分析

目的观察胶体果胶铋联合泮托拉唑三联对H.pylori阳性胃溃疡的溃疡愈合质量的影响以及根除H.pylori的疗效。方法将经胃镜检查及14C呼气试验确诊的90例H.pylori阳性胃溃疡患者随机分为两组:对照组45例,口服泮托拉唑40 mg bid+左氧氟沙星200 mg bid+阿莫西林1 000 mg bid,连续口服10 d后,停服阿莫西林及左氧氟沙星,继续口服泮托拉唑40 mg qd维持3周;试验组45例,在对照组的基础上加用胶体果胶铋干混悬剂150 mg qid。停药4周后复查14C呼气试验,观察H.pylori根除情况;疗程结束后,胃镜复查评估溃疡愈合情况。结果试验组和对照组H.pylori根除率分别为88.89%、71.11%,两组相比,差异有统计学意义(P0.05);溃疡愈合率分别为86.67%、68.89%,两组相比,差异有统计学意义(P0.05)。试验组溃疡愈合S2期获得率57.78%,显著高于对照组的33.33%(P0.05)。结论胶体果胶铋联合泮托拉唑三联治疗H.pylori阳性胃溃疡是一种高效、简便、安全的临床方案,胶体果胶铋在抗H.pylori、提高溃疡愈合质量上起着重要作用。     

根除幽门螺杆菌对出血性十二指肠溃疡自然病程影响的3年随访研究

目的：探讨根除幽门螺杆菌（Ｈｐ）对出血性十二指肠溃疡自然病程的影响。方法：选择胃镜证实的出血性十二指肠溃疡病人１３６例，均有Ｈｐ感染（胃粘膜Ｇｉｅｍｓａ染色和１４Ｃ尿素呼吸试验二项均阳性）。予奥米拉唑２０ｍｇ，每日２次；羟氨苄青霉素７５０ｍｇ，每日２次；甲硝唑４００ｍｇ，每日３次，疗程２周。疗程结束后４周复查胃镜和Ｈｐ，溃疡愈合者分Ａ组（Ｈｐ根除）和Ｂ组（Ｈｐ未根除）进入随访阶段，随访观察３年。结果：溃疡愈合１２４例（９１２％），Ｈｐ根除１１１例（８１６％）；Ｈｐ根除的溃疡愈合率为９９１％（１１０／１１１），显著高于Ｈｐ未根除的５６％（１４／２５，Ｐ＜０００５）；Ｂ组１年内溃疡复发率达１００％，显著高于Ａ组８３％（Ｐ＜００５）；Ｂ组３年累积再出血率１００％，显著高于同期Ａ组的９０％（Ｐ＜００５）。结论：根除Ｈｐ可提高十二指肠溃疡愈合率和减少溃疡复发率，尤可显著减少溃疡再出血率，提示根除Ｈｐ很可能改变出血性十二指肠溃疡的自然病程。     

Acid suppression therapy is not required after one-week anti-Helicobacter pylori triple therapy for duodenal ulcer healing

AIM: To compare healing of Helicobacter pylori-related non complicated duodenal ulcer after one-week eradication triple therapy alone and after triple therapy with further 3-weeks antisecretory treatment with ranitidine. METHODS: Three hundred and forty three patients with symptomatic H. pylori positive duodenal ulcer were included in this randomized double-blind placebo controlled study. H. pylori infection was established by rapid urease test and histopathology of antral biopsies. All patients were treated for one week with ranitidine 300 mg b.i.d., amoxicillin 1 g b.i.d., clarithromycin 500 mg b.i.d., and then randomly treated for the following 3 weeks either with ranitidine 300 mg once daily (triple therapy + ranitidine, n =180) or placebo (triple therapy alone, n =163). Ulcer healing was assessed by endoscopy 4 weeks after inclusion. H. pylori eradication was established by (13) C-urea breath testing 5 weeks after the end of triple therapy. RESULTS: In intention to treat, duodenal ulcer healed at 4 weeks in 86 % of patients treated with triple therapy + ranitidine and in 83 % of patients treated with triple therapy alone (equivalence: 90 % CI [-3. 8 %; 9.2 %]). The H. pylori eradication rates were 67 % and 69 % respectively. Ulcer healed in 88 % of patients in whom H. pylori eradication was achieved and in 77 % of patients in whom eradication failed. CONCLUSION: These results demonstrate that one-week triple therapy alone is highly effective in healing non complicated H. pylori associated duodenal ulcer without additional antisecretory treatment.     

Helicobacter pylori eradication versus one-year maintenance therapy: effect on relapse and gastritis outcome.

OBJECTIVE: The aim of this study was to determine ulcer healing and H. pylori eradication rates obtained with triple therapy (omeprazole, amoxicillin and clarithromycin). Ulcer relapsing rate one year after eradication was also assessed. Maintenance therapy with placebo was compared with ranitidine therapy and the effect of eradication on histological variables of the gastric mucosa was studied. METHODS: A prospective, double-blind parallel study was performed in 85 patients endoscopically diagnosed of duodenal ulcer H. pylori positive. Patients were randomized to a 7-days triple therapy (group A) or omeprazole plus antibiotic placebo (group B). All patients were treated only with omeprazole for the next three weeks. Patients with ulcer healing after treatment were entered in a one-year follow up phase with ranitidine placebo (group A) or ranitidine (group B). Endoscopy and biopsies were performed at baseline, after treatment (5 weeks) and after 12 months of follow-up or when relapsing symptoms appeared. RESULTS: Healing rate was 90.2% in group A and 85.7% in group B. Eradication rate was 78% in group A and 0% in group B. Out of 37 healed patients in group A, eradication was achieved in 29 and only one relapse was found (3.4%). Three out of eight patients with healing but without eradication relapsed at 12 months (35%) (p < 0.05). Histopathological results showed statistically significant differences (p < 0.05) between eradicated and non eradicated patients in terms of severity of inflammation and intestinal metaplasia, but not in terms of atrophy. CONCLUSIONS: H. pylori eradication is useful to prevent ulcer relapse and to improve gastric mucosa status.     

Triple, standard quadruple and ampicillin-sulbactam-based quadruple therapies for H pylori eradication： A comparative three-armed randomized clinical trial

AIM: To compare the effectiveness of triple, standard quadruple and ampicillin-sulbactam-based quadruple therapies for H pylori eradication in a comparative threearmed randomized clinical trial. METHODS: A total of 360 H pylori-positive patients suffering from dyspepsia and aging 24-79 years with a median age of 42 years were enrolled in the study and randomly allocated into the following three groups: group A (n = 120) received a standard 1-wk triple therapy (20 mg omeprazole b.i.d., 1000 mg amoxicillin b.i.d., 500 mg clarithromycin b.i.d.); group B (n = 120) received a 10-d standard quadruple therapy (20 mg omeprazole b.i.d., 1000 mg amoxicillin b.i.d., 240 mg colloidal bismuth subcitrate b.i.d., and 500 mg metronidazole b.i.d.); group C (n = 120) received the new protocol, i.e. 375 mg sultamicillin (225 mg ampicillin plus 150 mg sulbactam) b.i.d. (before breakfast and dinner), instead of amoxicillin in the standard quadruple therapy for the same duration. Chi-square test with the consideration of P < 0.05 as significant was used to compare the eradication rates by intention-to-treat and per-protocol analyses in the three groups. RESULTS: The per-protocol eradication rate was 91.81% (101 patients from a total of 110) in group A, 85.84% (97 patients from a total of 113) in group B, and 92.85% (104 patients from a total of 112) in group C. The intentionto-treat eradication rate was 84.17% in group A, 80.83% in group B, and 86.67% in group C. The new protocol yielded the highest eradication rates by both per-protocol and intention-to-treat analyses followed by the standard triple and quadruple regimens, respectively. However, the differences were not statistically significant between the three groups. CONCLUSION: The results of this study provide further support for the equivalence of triple and quadruple therapies in terms of effectiveness, compliance and side-effect profile when administered as first-line treatment for H pylori infection. Moreover, the new protocol using ampicillin-sulbactam instead of amoxicillin in the quadruple regimen is a suitable first-line alternative to be used in regions with amoxicillin-resistant H pylori strains.     

Medium-or High-Dose Omeprazole Plus Amoxicillin Eradicates Helicobacter pylori in Gastric Ulcer Disease

Objective: To compare the efficacy of two omeprazole/amoxicillin regimens concerning Helicobacter pylori eradication, ulcer healing, pain relief, and safety in patients with gastric ulcer disease. Methods: In a prospective, single-blind, single-center study, 70 patients with active, H. Pylori -positive (histology and/or culture) gastric ulcers were randomly treated with either omeprazole 20 mg b.i.d . plus amoxicillin 1 g b.i.d . (group I; n = 35) or with omeprazole 40 mg b.i.d . plus amoxicillin 1 g b.i.d . over 2 wk, followed by full dose ranitidine for another 4 wk. Patients were investigated clinically and endoscopicaily prior to treatment and after 6 wk, including the assessment of H. pylori status by means of urease test, specific culture, and histology. Results: Patients of group I and II had similar demographic and clinical characteristics. Three patients were lost to follow-up. The overall proportion of H. pylori eradication was 88.1% (group I, 91.2%; group II, 84.8%, p = NS). The ulcer healing rate was 79.1% after 6 wk, 92.5% after 10 wk, and 100% after 6 months, without a statistically significant difference between the study groups. Complete pain relief occurred after a median of 2 days (group I) and 1.5 days (group II, p = NS), respectively. Six patients (9.0%) complained of side effects that led to discontinuation of amoxicillin treatment in three patients (4.5%). Conclusions: Omeprazole plus amoxicillin is a highly effective and well-tolerated therapy regimen to eradicate H. pylori from the gastric mucosa of patients with gastric ulcer disease. In addition, the results clearly suggest that medium- and highdose omeprazole schedules are equally effective with regard to bacterial eradication, ulcer healing, pain relief, and safety in gastric ulcers. Thus, medium- and not high-dose omeprazole plus amoxicillin should be the treatment regimen of first choice to eradicate H. pylori in gastric ulcer disease.     

Role of anti-secretory treatment in addition to Helicobacter pylori eradication triple therapy in the treatment of peptic ulcer]

BACKGROUND/AIMS: It is not clear whether the anti-secretory therapy should be continued for symptomatic relief and ulcer healing before or after the eradication of H. pylori in patients with peptic ulcer disease. The aim of this study was to evaluate the effectiveness of additional anti-secretory therapy before or after H. pylori eradication in peptic ulcer disease. METHODS: Thirty eight patients with H. pylori-positive active peptic ulcer were included. Patients were randomly allocated into 3 groups; standard 1-week triple therapy followed by omeprazole (20 mg, qd) for 3 weeks (group A), standard 1-week triple therapy only (group B), and omeprazole (20 mg, qd) for 3 weeks followed by 1-week triple therapy (group C). Endoscopy with the rapid urease test and histology for H. pylori was performed 4-8 weeks after the completion of treatment. The symptom was scored by a visual analog scale. RESULTS: Of the 38 patients, 10 were excluded from the per-protocol analysis of this study. The H. pylori eradication rates were 87.5% (group A), 80.0% (group B) and 90.0% (group C) respectively. The peptic ulcer healing rates were 100% in group A, 70.0% in group B, and 90.0% in group C. There was no difference in H. pylori eradication rates and ulcer healing rates among three groups (p>0.05). Symptom score differences between pre-treatment and post-treatment group were not significantly different (p>0.05). CONCLUSIONS: The standard one week triple therapy with or without 3-weeks anti-secretory treatment with omeprazole before or after the therapy does not affect H. pylori eradication rates, peptic ulcer healing rates, and symptom score improvement.     

Ranitidine bismuth citrate-based triple therapy for seven days, with or without further anti-secretory therapy, is highly effective in patients with duodenal ulcer and Helicobacter pylori infection

OBJECTIVE: To compare the efficacy of two protocols for the eradication of Helicobacter pylori infection and the healing of active duodenal ulcer: (i) ranitidine bismuth citrate (RBC) plus two antibiotics for 7 days, and (ii) the same triple therapy followed by 3 weeks of anti-secretory drug treatment. METHODS: The study comprised 102 patients with active duodenal ulcer and H. pylori infection; the patients were randomized to open treatment with either RBC 400 mg b.d. plus amoxycillin 1 g b.d. and clarithromycin 500 mg b.d. for 7 days, or the same treatment followed by 3 weeks of RBC 400 mg b.d. alone. Ulcer healing was confirmed by endoscopy. H. pylori eradication was assessed by endoscopy, rapid urease test and histology. RESULTS: The ulcer healed in 48/50 patients on RBC-based triple therapy alone (96.0%) and in 51/52 patients on triple therapy plus further anti-secretory treatment (98.1%). On an intention-to-treat basis, H. pylori had been successfully eradicated in 42/50 patients on triple therapy (84.0%) and in 44/52 patients on triple therapy plus anti-secretory treatment (84.6%), while by per protocol analysis the H. pylori eradication rates were 91.3% (42/46) and 89.8% (44/49), respectively. CONCLUSIONS: One-week triple therapy with RBC, amoxycillin and clarithromycin is highly effective in eradicating H. pylori and healing duodenal ulcers, even if not followed by anti-secretory drug treatment.     

The efficacy of bismuth containing quadruple therapy as a first-line treatment option for Helicobacter pylori

BACKGROUND: Helicobacter pylori eradication rates have tended to decrease recently, mostly due to increasing antibiotic-resistance. The present study aimed to compare the efficacy of bismuth-based quadruple regimen with proton pump inhibitor-based triple regimen for eradication of H. pylori. METHODS: Consecutive H. pylori-positive patients with non-ulcer dyspepsia were randomized into one of two regimens: (i) bismuth subsalicylate 300 mg q.i.d., lansoprazole 30 mg b.i.d., tetracycline 500 mg q.i.d. and metronidazole 500 mg t.i.d. (BLTM group) for 14 days; (ii) lansoprazole 30 mg b.i.d., amoxicillin 1 g b.i.d and clarithromycin 500 mg b.i.d. (LAC) for 14 days. Gastroscopy and (14)C-Urea breath test (UBT) were performed before enrollment, and UBT only was repeated for 6 weeks after treatment. RESULTS: A total of 240 patients were randomized into groups and 212 of them completed the protocols. The 'intention-to-treat' (ITT) and 'per protocol' (PP) H. pylori eradication rates were 70% (95%CI 61-78) and 82.3% (95%CI 74-89) in the BLTM group, and 57.5% (95%CI 48-66) and 62.7% (95%CI 53-71) in the LAC group. The BLTM treatment achieved a significantly better eradication rate compared with LAC treatment in PP analysis (82.3% vs. 62.7%, P = 0.002). Mild to severe side-effects, which were more frequent in the BLTM group, were reported in 18.2% of the patients. CONCLUSION: The bismuth-based quadruple regimen achieved a better eradication rate compared with proton pump inhibitor-based triple regimens as a first-line eradication option for H. pylori in our population.