In a phase III study of lansoprazole treatment, patients with healed or unhealed erosive esophagitis entered a titrated open-label treatment period and received lansoprazole for ≤6 years to assess long-term maintenance therapy. Doses were adjusted depending on symptom response. Endoscopy was performed yearly. One hundred ninety-five subjects received lansoprazole for <1 to 72 months; most received daily doses of ≤30 mg. Lansoprazole maintained erosive esophagitis remission in 75% of subjects receiving treatment for ≤72 months, with 39 subjects experiencing 50 recurrences. Most subjects (94–95%) had no or mild symptoms of day or night heartburn at study end, and 77% were asymptomatic at first erosive esophagitis recurrence. The most common treatment-related adverse events included diarrhea (10%), headache (8%), and abdominal pain (6%), and were mild or moderate in severity. Long-term lansoprazole is effective and well tolerated when used to maintain erosive esophagitis remission for ≤6 years.
Introduction
Gastroesophageal reflux disease (GERD) is a highly prevalent condition, affecting 10–30% of the adult population in Western countries [1] and utilizing significant health-care resources [2]. When left untreated, or when treated inadequately, GERD can produce a spectrum of potentially severe complications [3‐5]. One such complication is erosive esophagitis (EE), a chronic and relapsing condition associated with significant impairment in quality of life (QoL) [6]. Pharmacologic therapy is necessary for healing and effective control of symptoms in the majority of patients [7].
Proton pump inhibitors (PPIs) have emerged as highly effective treatment not only for rapid healing of EE and maintenance of remission [8], but also for symptomatic relief and improvement of QoL [9‐11]. Within 1 year of initial healing, however, the majority of patients experience both EE relapse and recurrence of symptoms [5, 12‐18]. These observations indicate that long-term maintenance therapy with a PPI is warranted to reduce the risk of relapse and provide continued symptomatic relief [14, 18]. However, there remains a paucity of data regarding the long-term (>12 months) use of PPIs in patients with EE, particularly in the United States.
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Lansoprazole has been studied extensively in a number of acid-related diseases [5], and a growing number of studies support its safety and clinical efficacy when used as long-term maintenance therapy to prevent EE relapse [15, 16, 19‐23]. In this article, we report the results of the titrated open-label treatment period of a multicenter study conducted to evaluate the safety and efficacy of lansoprazole in the maintenance treatment of EE. The specific purposes of this long-term (up to 6 years) clinical trial were to assess the efficacy of lansoprazole in the prevention of EE relapse in recently healed patients and to evaluate the effectiveness of symptom-based dose titration in the management of EE and its symptoms.
Methods
Study Design
The focus of this article is the titrated open-label treatment portion of the M94-140 study (sponsored by Takeda Global Research & Development Center, Inc., Deerfield, IL). This study was a randomized, parallel-group, multicenter, phase III study consisting of an 8-week open-label acute treatment period, a double-blind treatment period lasting up to 12 months, and a titrated open-label treatment period of up to 82 months (Fig. 1). Patients were enrolled at 19 sites within the US. The titrated open-label period began when the subject had a recurrence of EE or when they completed the double-blind treatment phase.
Fig. 1
Study design
×
Study Population
The study population included male and female subjects aged ≥18 years with endoscopically proven EE (≥ grade 2; Table 1) and without coexisting duodenal and/or gastric ulcer of ≥3 mm in diameter (within 7 days before initiating treatment). Subjects with Barrett’s esophagus (but without dysplastic changes) were eligible to enter the study. Subjects requiring continuous treatment with digoxin or theophylline-containing drugs were permitted to enroll.
Mucosal edema, hyperemia, and/or friability of mucosa
2
One or more erosion(s)/ulceration(s) involving <10% of the distal 5 cm of the esophagus
3
Erosions/ulcerations involving 10–50% of the distal 5 cm of the esophagus, or an ulcer measuring 3–5 mm in diameter
4
Multiple erosions/ulcerations involving >50% of the distal 5 cm of the esophagus, or a single large ulcer measuring >5 mm in diameter
Subjects were excluded from enrollment for any of the following reasons: evidence of active comorbid illnesses; laboratory results outside normal limits; receipt of other investigational drug(s) within 12 weeks before initiating study medication; treatment with a PPI within 4 weeks before initiating study treatment; or requirement for more than occasional use (≤10 days per month) of nonsteroidal anti-inflammatory drugs (NSAIDs) or corticosteroids equivalent to >10 mg/day prednisone.
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After completing the acute treatment period, subjects with healed EE were eligible to participate in the double-blind treatment period. Subjects who completed the double-blind treatment period without relapse, and those who experienced a recurrence of EE during this phase of the study, were eligible for inclusion in the titrated open-label treatment period.
Treatment
Subjects entering the titrated open-label treatment period without recurrence of EE after completing the double-blind treatment phase were given lansoprazole 15 mg QD. Subjects who entered the titrated open-label treatment period due to recurrence of EE began treatment with lansoprazole 30 mg QD for 8 weeks, at which point subjects returned to the study center for the evaluation of healing visit. Subjects not healed after 8 weeks had their dose increased until endoscopic evidence of healing was documented. Once healing occurred, subjects continued treatment with lansoprazole 15 mg QD. During the remainder of the titrated open-label treatment period, lansoprazole doses could be titrated upward (based on recurrence of EE and/or symptoms) or downward as required. The dose of lansoprazole was titrated so that subjects received the minimum dose required to control their symptoms. Subjects received lansoprazole 30 mg QD for recurrence of EE, regardless of whether or not the subject had symptoms. Lansoprazole doses could be divided; however, the total daily dose could not exceed 120 mg without permission from the Sponsor. Each dose was to be taken in the morning before breakfast (unless directed otherwise by the investigator). Protocol-required visits were scheduled and conducted every 12 months, and a final visit was conducted when a subject ceased participation in the study.
All anti-ulcer and anti-reflux agents (except antacids) must have been discontinued at least 7 days before the screening gastrin test, and anticholinergic medications must have been discontinued before the first dose of acute-treatment lansoprazole. Aspirin ≤325 mg/day for cardiovascular indications was acceptable, and Gelusil® (Pfizer, NJ, USA) use was permitted for relief of symptoms.
To evaluate treatment compliance, subjects were required to return all unused study drug at each scheduled visit. All unused study drug was to be accounted for and reconciled between the label attachment form and the drug accountability form.
Assessments
Efficacy
The primary efficacy outcome was the time to recurrence of EE, as evaluated by endoscopy. Each study visit included an upper endoscopy using a modified Hetzel-Dent grading scale (Table 1) to document the presence or absence of EE.
Secondary efficacy outcomes included changes in the severity of primary (daytime and/or night-time heartburn) and secondary (gastroesophageal regurgitation, dysphagia, painful swallowing, nausea and vomiting, day and night abdominal pain, belching, fullness/bloating/early satiety, abdominal distension, anorexia, flatulence/abdominal rumbling) symptoms, and the number of Gelusil® tablets used. Time to recurrence of primary symptoms was also assessed. The investigator conducted an interview at each scheduled 12-month visit to determine the severity of symptoms experienced in the 2 weeks prior to the visit, assess symptom relief, and establish the number of Gelusil® tablets taken since the previous visit.
Safety
Safety monitoring throughout the study entailed assessment of adverse events, vital signs, concurrent medications, and (if applicable) digoxin and/or theophylline levels at each scheduled visit. Physical examinations, laboratory assessments (including gastrin), gastric biopsies, and serum pregnancy tests for female subjects were also conducted at each 12-month visit.
Ethical Approval and Informed Consent
All subjects were required to understand and sign the informed consent prior to screening and to understand and cooperate with study procedures. Prior to initiating any study procedures, each investigator site was granted approval by an Institutional Review Board. The study adhered to the ethical principles stated in the Declaration of Helsinki (1996 revision) and was conducted in accordance with Food and Drug Administration guidelines, Guidelines for Good Clinical Practice governing clinical study conduct, and all applicable local regulations.
Statistical Methods
All subjects who took at least one dose of lansoprazole and had efficacy measurements available were included in the efficacy analyses. The primary efficacy endpoint was time to recurrence of EE, which was summarized using life-table methods. Five subjects who entered the titrated open-label treatment period unhealed and subsequently had no documented healing were excluded from the analysis of recurrence. Confidence intervals (CIs) of 95% for the rates were obtained using the estimated standard error and assuming asymptomatic normality. The relationship between EE recurrence and various factors [age, body mass index (BMI; >30 or ≤30), gender, race (white or non-white), tobacco use, alcohol use, EE grade at enrollment into the acute phase, as well as healing status, Helicobacter pylori (H. pylori) status, and symptom status at entry into the open-label treatment period] was explored using logistic regression.
Results of primary and secondary symptom assessments were presented as the number of subjects at each severity level for the symptom. The percentage of subjects remaining asymptomatic (no or mild day/night heartburn) during therapy was estimated using life-table methods for subjects who were asymptomatic at open-label baseline. All subjects who took at least one dose of lansoprazole were included in the safety analyses. Adverse events, laboratory variables, and gastric biopsies were summarized.
SAS version 6.12 on the UNIX system (version 10.2 operating system) was used to perform the statistical analyses. All tests were two-sided, and P values ≤0.05 were considered significant.
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Results
Subjects
A total of 195 subjects with a mean age of 50.8 years entered the titrated open-label treatment phase. The majority of subjects were male (131/195; 67%) and white (176/195; 90%), and approximately half were experiencing recurrence of EE upon entry (102/195; 52%) (Table 2). Enrollment of subjects into this treatment period began in February 1996 and ended in December 1997. While some subjects received lansoprazole for >72 months (Table 3), the data for this period are sparse; therefore, cumulative survival analysis rates are presented only through 72 months. Safety evaluations, however, are presented for the entire follow-up period and include those patients treated for >72 months.
Table 2
Subject demographics and baselinea characteristics (N = 195)
Parameter
Number of subjects
Gender n (%)
Male
131 (67)
Race n (%)
White
176 (90)
Black
13 (7)
Hispanic
6 (3)
Age (years)
Mean (±SD)
50.8 (±13.8)
Minimum–Maximum
20–82
Weight (males)
Mean (±SD)
199.6 (± 33.0)
Minimum–maximum
131–299
Weight (females)
Mean (± SD)
175.5 (30.4)
Minimum–maximum
116–248
Body mass index
Mean (± SD)
29.0 (4.6)
Minimum–maximum
19–45
Erosive reflux esophagitis grade at entry into acute phase n (%)
Grade 2
110 (56)
Grade 3
68 (35)
Grade 4
17 (9)
Erosive reflux esophagitis grade at entry into open-label phase n (%)
Healed
93 (48)
Grade 0
74 (38)
Grade 1
19 (10)
Unhealed
102 (52)
Grade 2
82 (42)
Grade 3
16 (8)
Grade 4
4 (2)
H. pylori status N (%)
Negative
155 (80)
aAt open-label baseline unless otherwise noted
N Number of subjects evaluated; n number of subjects in category; H. pyloriHelicobacter pylori; SD: standard deviation
Table 3
Duration of lansoprazole exposure for all subjects during the titrated open-label treatment period
Duration of exposure
All subjects (N = 195)
n (%)
12 months or less
16 (8.2)
>12–24 months
15 (7.7)
>24–36 months
13 (6.7)
>36–48 months
10 (5.1)
>48–60 months
21 (10.8)
>60–72 months
57 (29.2)
>72 months
63 (32.3)
Duration of the study ranged from <1 month to 72 months
N Number of subjects evaluated; n Number of subjects exposed during interval
Primary reasons for premature discontinuation in 105/195 (54%) patients included adverse events (18/195; 9%), personal issues (13/195; 7%), poor compliance (9/195; 5%), treatment with another drug that would interfere with evaluation of study drug (7/195; 4%), pregnancy (2/195; 1%), and therapeutic failure (1/195; 1%). Fifty-five (28%) patients prematurely discontinued because of other reasons, including closure of study site or patient lost to follow-up. Two patients discontinued because they required fundoplication.
Treatment
During the titrated open-label treatment period, lansoprazole exposure ranged from <1 to >72 months, with 120/195 (62%) patients receiving treatment for >60 months (Table 3). Total daily doses of lansoprazole ranged from ≤15 mg to 120 mg, but most subjects received daily doses of ≤30 mg. Forty-five subjects received 60 mg or more of lansoprazole per day at some time during the open-label period. During the open-label treatment period, 65% (126/195) of subjects increased their dosage from the maintenance dose (15 mg daily) at least once, either due to an endoscopically documented relapse of EE or to alleviate symptoms. At the final titration, the total daily dose was >30 mg of lansoprazole in 19% (37/195) of subjects. The percentage of patients within each dose category at the end of each treatment year is presented in Fig. 2.
Fig. 2
Distribution of lansoprazole doses at the end of each treatment year
×
Efficacy
Maintenance of Healing
Lansoprazole was effective in maintaining remission of EE in 75% of subjects receiving long-term open-label therapy (up to 72 months) (Table 4); during the entire titrated open-label treatment period (up to 82 months), 39 subjects experienced a total of 50 recurrences of EE. All recurrences of EE were grade 2. Logistic regression analysis suggested that healing status (healed vs. unhealed) at open-label baseline was predictive of EE relapse (odds ratio = 0.46; 95% CI = 0.22, 0.97), with subjects healed at open-label baseline less likely to relapse during the titrated open-label treatment period. No other demographic or baseline factors were found to be predictive of EE recurrence.
Table 4
Proportion of subjects remaining healeda during the titrated open-label (OL) treatment period
Months
0–12
12–24
24–36
36–48
48–60
60–72
All treated subjects (N = 190)b
n = 178
n = 154
n = 126
n = 114
n = 99
n = 64
Remaining healed (%)
93
85
81
80
77
75
95% CI
–
80.1, 90.7
75.4, 87.3
73.7, 86.1
70.9, 84.0
67.9, 82.2
H. pylori-positive subjects (n = 39)
n = 39
n = 32
n = 27
n = 23
n = 20
n = 14
Remaining healed (%)
97
91
85
85
85
85
95% CI
–
81.9, 100.0
72.0, 97.1
72.0, 97.1
72.0, 97.1
72.0, 97.1
H. pylori-negative subjects (n = 151)
n = 139
n = 122
n = 99
n = 91
n = 79
n = 50
Remaining healed (%)
92
84
80
79
76
73
95% CI
–
77.6, 90.0
73.6, 87.2
71.6, 85.7
68.1, 83.2
64.3, 81.0
aCounted from the first day of OL treatment for subjects entering the OL period healed and from the day of healing in the titrated OL treatment period for subjects who entered unhealed. The subject was considered as remaining healed within the interval if esophagitis remained at grade 0–1; cumulative interval rates were calculated based on life-table methods, which calculate the rates based on exposure during successive intervals
bNumber of subjects considered exposed during the first interval (0–12 months) differs from the number of subjects who entered OL treatment because of patient withdrawal prior to the midpoint of the interval
H. pyloriHelicobacter pylori; CI confidence interval
When H. pylori status at open-label baseline was considered, life-table analysis suggested that H. pylori-positive subjects were more likely to remain healed through 72 months of therapy (85%) than H. pylori-negative counterparts (73%) (Table 4). However, H. pylori status was not found to be predictive of EE recurrence in the logistic regression analysis.
Symptom Assessment
At open-label baseline, 125/194 (64%) and 110/194 (57%) subjects experienced primary symptoms of daytime or night-time heartburn, respectively. At the final visit, however, the majority of subjects assessed had no or only mild symptoms of daytime (175/185; 95%) or night-time heartburn (174/185; 94%) (Table 5). Most subjects (30/39; 77%) were also asymptomatic at the time of their first recurrence of EE. Life-table analysis showed that 68% of patients who had no primary symptoms at open-label baseline would remain asymptomatic through 72 months of lansoprazole treatment. The percentage of subjects remaining asymptomatic was similar between the H. pylori-positive and H. pylori-negative subjects. Through 72 months of treatment, 72% of H. pylori-positive subjects were asymptomatic compared to 67% of H. pylori-negative subjects.
Table 5
Changes in primary and secondary symptom severity from open-label baseline to the final visit of the titrated open-label treatment period
Symptom severity at open-label baseline n
Symptom severity at the final visit of titrated open-label treatment period n
None
Mild
Moderate
Severe
Missing
Primary symptoms
Daytime heartburn N = 194
None
69
53
10
2
0
4
Mild
47
28
14
2
0
3
Moderate
51
29
16
5
0
1
Severe
27
18
7
0
1
1
Total
194
128
47
9
1
9
Night-time heartburn N = 194
None
84
70
8
2
1
3
Mild
27
15
9
1
0
2
Moderate
54
33
14
4
0
3
Severe
29
12
13
3
0
1
Total
194
130
44
10
1
9
Secondary symptoms
Overall signs and symptoms N = 193
None
24
13
8
2
0
1
Mild
82
35
38
4
0
5
Moderate
73
23
42
6
0
2
Severe
14
4
6
1
1
2
Total
193
75
94
13
1
10
N Number of subjects evaluated; n number of subjects at severity level
Although not statistically significant, a higher proportion of subjects who were asymptomatic at open-label baseline remained relapse-free (78/142; 55%) throughout the open-label period compared with subjects who were symptomatic at baseline (64/142; 45%).
Improvements in secondary symptoms (gastroesophageal regurgitation; dysphagia; painful swallowing; nausea and vomiting; day and night abdominal pain; belching; fullness/bloating/early satiety; abdominal distension; anorexia; flatulence/abdominal rumbling) were also noted. In total, 111/169 (66%) subjects reported overall symptom improvement compared with open-label baseline, with 169/183 (92%) subjects experiencing no or mild secondary symptoms at the final visit (Table 5).
Gelusil® Use
The majority of subjects (179/195; 92%) used Gelusil® during the titrated open-label treatment period. The median number of Gelusil® tablets taken per week was 0.5.
Safety
Overall, 69/195 (35%) patients experienced an adverse event that was considered to be at least possibly related to the study drug. Most treatment-related adverse events were self-limiting and did not result in early discontinuation of treatment. The most common treatment-related adverse events (i.e., those experienced by at least 5% of subjects) were mild or moderate in severity and included diarrhea (19/195; 10%), headache (16/195; 8%), and abdominal pain (12/195; 6%). One subject died during open-label treatment (accidental injury), and two subjects died during the follow-up period (one subject died 432 days after discontinuing treatment due to complications of amyotrophic lateral sclerosis and one subject died approximately 10 months after discontinuing treatment due to cardiogenic shock secondary to an acute myocardial infarction). All deaths were considered by the investigator to be unrelated to the study drug.
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Consistent with findings from other studies investigating PPIs, gastric body and antral biopsies demonstrated neither increased severity of chronic gastritis nor progression to intestinal metaplasia and/or atrophy. At open-label baseline, 153/179 (85%) of subjects had evidence of chronic inflammation in gastric body biopsies; at the final visit, 54% (82/153) of subjects with evidence of chronic inflammation at baseline showed improvement [18% (27/153) of which completely resolved], 55/153 (36%) were unchanged, and 16/153 (10%) were worsened. A total of 152/179 (85%) subjects had evidence of chronic inflammation in antral biopsies at open-label baseline, with 83/152 (55%) subjects showing improvement [of which 13/152 (9%) showed complete resolution], 60/152 (39%) were unchanged, and 9/152 (6%) were worsened at the final visit.
Among H. pylori-positive subjects with active gastric body inflammation at open-label baseline, 18/34 (53%) improved at the final visit; 21/32 (66%) with active gastric antrum inflammation improved. In the H. pylori-negative group, 6/6 (100%) subjects with active gastric body inflammation improved compared to 11/12 (92%) with active gastric antrum inflammation. For H. pylori-positive subjects with chronic inflammation at baseline, improvement was found in 15/38 (39%) of subjects with gastric body inflammation compared with 18/39 (46%) with gastric antrum inflammation. In the H. pylori-negative group, 67/115 (58%) with chronic gastric body inflammation improved compared with 65/113 (58%) with gastric antrum inflammation.
Intestinal metaplasia in the gastric body and antrum was present in 3% and 22% of subjects, respectively, at one or more visits during the titrated open-label treatment period. Atrophy in the antrum and gastric body was seen in a minority of subjects [5.6% (11/195) and 1.5% [3/195], respectively] and showed no significant increase during the course of the study. There were no subjects with endocrine cell dysplasia or neoplasia; however, as expected, endocrine hyperplasia (four simple, two linear or micronodular) associated with PPI-induced hypergastrinemia was observed in six subjects at the final visit.
Discussion
The results of this study demonstrate the long-term efficacy and safety of lansoprazole treatment for maintenance of EE remission. Symptom-based lansoprazole dose titration provided sustained remission of EE in 75% of subjects for up to 72 months; healing status (healed or unhealed) at open-label baseline was identified by multiple logistic modeling as an important predictive factor for EE recurrence. No other demographic or baseline factors were found to be significant predictors of EE relapse. Most subjects also experienced substantial improvements in primary and secondary symptoms, and analyses using life-table methodology suggested that 68% of subjects who had no primary symptoms at open-label baseline remained asymptomatic through 72 months of lansoprazole treatment. However, subjects with symptoms present at open-label baseline were more likely to relapse throughout the maintenance period–an observation that may have important clinical implications, as a lack of symptoms might predict a lack of EE recurrence.
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Lansoprazole was generally well tolerated. As can be expected in a study of up to 6 years’ duration, a relatively high proportion of patients (35%) experienced treatment-related adverse events; however, most such events were mild or moderate in severity, and the most commonly experienced events were consistent with those previously reported in trials assessing lansoprazole use.
Numerous studies have assessed the efficacy of maintenance PPI therapy (esomeprazole, lansoprazole, omeprazole, pantoprazole, and rabeprazole) in patients with EE. One meta-analysis included 22 randomized controlled trials (RCTs) in which healing and maintenance PPI doses were compared for efficacy in maintaining EE remission; a total of 5,964 patients were analyzed, 1,527 (30%) of whom presented with initially severe EE. Healing doses were generally defined as the standard dose recommended by the manufacturer, while maintenance doses were defined as half the standard dose. At the end of follow-up, which ranged from 24 to 52 weeks, the frequency of EE relapse was significantly lower among patients treated with a healing dose of a PPI [relative risk (RR) = 0.63; 95% CI 0.55–0.73] [8].
The same meta-analysis evaluated 18 RCTs that compared maintenance with healing doses of PPIs in maintaining symptom relief. A total of 5,116 patients were assessed, with a follow-up period of 26–52 weeks. The percentage of patients experiencing symptom recurrence was significantly lower for those treated with a healing dose of a PPI than for those receiving maintenance doses (RR = 0.78; 95% CI 0.68–0.88) [8]. These results led to the suggestion that PPIs taken at a standard dose for a period of 6 months to 1 year may be more effective than lower maintenance doses in preventing EE relapse and recurrence of symptoms [24]. In contrast, the current study provides evidence that maintenance treatment with lansoprazole at doses lower than the standard dose of 30 mg may be highly effective at maintaining EE remission and preventing symptom recurrence for up to 6 years.
Throughout the course of the current study, 65% (126/195) of the subjects did increase their lansoprazole dose from the maintenance dose (15 mg daily) at least once, either due to an endoscopically documented relapse of EE or to alleviate symptoms. However, this is perhaps not surprising, as the study population included predominantly H. pylori-negative patients who had high BMIs and a high risk for recurrence of esophagitis and EE symptoms. Furthermore, the use of higher-than-maintenance doses for continuous maintenance treatment has been supported by a meta-analysis from Donnellan and colleagues, who found that healing doses of PPIs were significantly more effective at preventing EE relapse than maintenance doses [8].
Several published studies have investigated the efficacy of long-term lansoprazole in maintaining remission of EE and its symptoms [15, 16, 19‐23], yet only one study to date has assessed lansoprazole maintenance therapy for more than 12 months [21]. In this study, 73 subjects with EE were treated with lansoprazole 30 mg and followed for 5 years; 86% remained in remission at the end of the study [21]. The titrated open-label treatment phase of the current study has the advantage of a larger patient population (n = 195) and a longer follow-up period (up to 6 years), and is unique in its use of symptom-based dose titration.
Our results also suggest that H. pylori-positive subjects tended to have a greater likelihood of remaining healed throughout the study duration than their H. pylori-negative counterparts (85% and 73%, respectively). The higher rates of EE remaining healed in H. pylori-positive subjects may be attributable to the observation that H. pylori enhances the acid-suppressive effects of PPIs, thus raising intragastric pH to a higher level. The mechanism for this phenomenon remains to be elucidated, but may involve H. pylori-induced corpus gastritis, which impairs parietal cell function [25]. However, the percentage of subjects who were asymptomatic at the end of the study was similar in the H. pylori-positive and -negative groups.
One weakness of the current study is its open-label design with lack of a comparator. However, this study is unique in that symptom-based dose titration was used; it also had a longer duration than similar trials, and so provides a more accurate reflection of clinical practice in the context of a real-world setting. Similarly, though most subjects used Gelusil® for symptom relief, the median number of weekly tablets used was low (0.5). Given the high relapse rate associated with discontinuation of PPI therapy [5, 13, 14, 17, 18], our findings enhance and strengthen the literature supporting the tolerability and clinical effectiveness of long-term lansoprazole in maintaining healing and symptom control of patients with EE.
In conclusion, long-term lansoprazole treatment effectively maintains EE remission and controls symptoms. It is well-tolerated when used for up to 6 years.
Acknowledgments
This study (M94-140) was funded in full by Takeda Global Research & Development Center, Inc. (TAP Pharmaceutical Products Inc. is now a part of Takeda Global Research & Development Center, Inc.) Dr. Kovacs confirms that he has no conflicts of interest or disclosures. Dr. Freston has served as a consultant for Takeda Global Research & Development Center, Inc., Takeda Pharmaceuticals North America, Inc., GlaxoSmithKline, and EnteroMedics, Inc. Dr. Haber serves as a consultant for Takeda Global Research & Development Center, Inc. Dr. Peura serves as a consultant for Takeda Global Research & Development Center, Inc. and as a member of the speaker’s bureau for Takeda Pharmaceuticals North America, Inc. Ms. Hunt and Dr. Atkinson are employees of Takeda Global Research & Development Center, Inc.
Open Access
This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.
Open AccessThis is an open access article distributed under the terms of the Creative Commons Attribution Noncommercial License (https://creativecommons.org/licenses/by-nc/2.0), which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.
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