Dataset Information

A randomised, double-blind study of polyethylene glycol 4000 and lactulose in the treatment of constipation in children.

ABSTRACT: Chronic constipation is frequent in children. The objective of this study is to compare the efficacy and safety of PEG 4000 and lactulose for the treatment of chronic constipation in young children.This randomised, double-blind study enrolled 88 young children aged 12 to 36 months, who were randomly assigned to receive lactulose (3.3 g per day) or PEG 4000 (8 g per day) for four weeks. The primary efficacy variable was stool frequency during the fourth week of treatment. Secondary outcomes were the number and frequency of subjective symptoms associated with defecation at each visit.Stool frequency was comparable in the two groups at baseline (lactulose: 0.7 ± 0.5; PEG 4000: 0.5 ± 0.55). Mean stool frequency increased from 0.70 ± 0.50 stools/day at baseline to 0.80 ± 0.41 at Week 4 in the lactulose group and from 0.50 ± 0.55 to 1.10 ± 0.55 stools/day in the PEG 4000 group. A significant difference was observed in the adjusted mean change from baseline, which was 0.15 stools/day in the lactulose group and 0.51 stools/day in the PEG 4000 group, with a least-squares mean difference of 0.36 stools/day [95% CI: 0.16 to 0.56]. With respect to secondary outcome variables, stool consistency and ease of stool passage improved more in the PEG 4000 group (p = 0.001). The incidence of adverse events was similar in both groups, the majority of which were mild.PEG 4000 has superior efficacy to lactulose for the treatment of chronic constipation in young children and is well tolerated.US National Institute of Health Clinical Trials database; study NCT00255372 first registered 17th November 2005.

SUBMITTER: Treepongkaruna S

PROVIDER: S-EPMC4075982 | biostudies-literature | 2014 Jun

REPOSITORIES: biostudies-literature

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A randomised, double-blind study of polyethylene glycol 4000 and lactulose in the treatment of constipation in children.

Treepongkaruna Suporn S Simakachorn Nipat N Pienvichit Paneeya P Varavithya Wandee W Tongpenyai Yothi Y Garnier Philippe P Mathiex-Fortunet Hélène H

BMC pediatrics 20140619

<h4>Background</h4>Chronic constipation is frequent in children. The objective of this study is to compare the efficacy and safety of PEG 4000 and lactulose for the treatment of chronic constipation in young children.<h4>Methods</h4>This randomised, double-blind study enrolled 88 young children aged 12 to 36 months, who were randomly assigned to receive lactulose (3.3 g per day) or PEG 4000 (8 g per day) for four weeks. The primary efficacy variable was stool frequency during the fourth week of ...[more]

PMID: 24943105

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Project description:IMPORTANCE:Hepatic encephalopathy (HE) is a common cause of hospitalization in patients with cirrhosis. Pharmacologic treatment for acute (overt) HE has remained the same for decades. OBJECTIVE:To compare polyethylene glycol 3350-electrolyte solution (PEG) and lactulose treatments in patients with cirrhosis admitted to the hospital for HE. We hypothesized that rapid catharsis of the gut using PEG may resolve HE more effectively than lactulose. DESIGN, SETTING, AND PARTICIPANTS:The HELP (Hepatic Encephalopathy: Lactulose vs Polyethylene Glycol 3350-Electrolyte Solution) study is a randomized clinical trial in an academic tertiary hospital of 50 patients with cirrhosis (of 186 screened) admitted for HE. INTERVENTIONS:Participants were block randomized to receive treatment with PEG, 4-L dose (n?=?25), or standard-of-care lactulose (n?=?25) during hospitalization. MAIN OUTCOMES AND MEASURES:The primary end point was an improvement of 1 or more in HE grade at 24 hours, determined using the hepatic encephalopathy scoring algorithm (HESA), ranging from 0 (normal clinical and neuropsychological assessments) to 4 (coma). Secondary outcomes included time to HE resolution and overall length of stay. RESULTS:A total of 25 patients were randomized to each treatment arm. Baseline clinical features at admission were similar in the groups. Thirteen of 25 patients in the standard therapy arm (52%) had an improvement of 1 or more in HESA score, thus meeting the primary outcome measure, compared with 21 of 23 evaluated patients receiving PEG (91%) (P?<?.01); 1 patient was discharged before final analysis and 1 refused participation. The mean (SD) HESA score at 24 hours for patients receiving standard therapy changed from 2.3 (0.9) to 1.6 (0.9) compared with a change from 2.3 (0.9) to 0.9 (1.0) for the PEG-treated groups (P?=?.002). The median time for HE resolution was 2 days for standard therapy and 1 day for PEG (P?=?.01). Adverse events were uncommon, and none was definitely study related. CONCLUSIONS AND RELEVANCE:PEG led to more rapid HE resolution than standard therapy, suggesting that PEG may be superior to standard lactulose therapy in patients with cirrhosis hospitalized for acute HE. TRIAL REGISTRATION:clinicaltrials.gov Identifier: NCT01283152.

Project description:Background: Polyethylene glycol (PEG) is recommended as first-line treatment of pediatric functional constipation. However, the oral route of administration is often poorly feasible in children mostly due to poor palatability. Promelaxin microenemas exert a topical evacuative action and may offer a valuable option in pediatric FC. Aim: To assess whether Promelaxin microenemas would be non-inferior to PEG 4000 in young children with FC. Methods: This is a randomized, open-label, multi-centric, non-inferiority trial enrolling infants and young children aged 6–48 months, with FC according to Rome III criteria. After 1 week of run in, children were randomized to 2 weeks of Promelaxin or PEG, followed by a 6-week on-demand treatment period. Primary endpoint was response rate to randomized treatment, with “response” defined as at least 3 evacuations per week and an average increase of at least one evacuation per week as compared to baseline. Safety, stool consistency and the analysis of fecal microbiota were secondary endpoints. Results: Out of the 158 patients who entered the trial, 153 patients were treated (77 and 76, PEG and Promelaxin arm, respectively). In the primary analysis, the 95% confidence interval (CI) for the treatment's effect lay entirely above the non-inferiority margin in both Full Set (FAS) and Per Protocol (PP) analyses, providing evidence of the non-inferiority of Promelaxin vs. PEG 4000 [response rate difference: 16.5% (CI 1.55–31.49%) and 11.03% (CI −5.58 to 27.64%), FAS and PP analyses, respectively]. Mean compliance to the randomized treatment was >80% in both arms. Secondary endpoints did not significantly differ between the two arms, except for the average number of total days of on-demand treatment that was significantly lower in the Promelaxin arm [14.6 (12.7) vs. 9.8 (9.1), mean (SD); primary endpoint responders in PEG and Promelaxin arm, respectively; p = 0.027]. Microbiota evenness significantly increased in the PEG 4000 arm at V4 as compared to the Promelaxin arm (p < 0.05). In addition, at V5, patients treated with PEG showed a significantly decreased microbiota density as compared to patients treated with Promelaxin (p = 0.036). Conclusions: Promelaxin microenemas are non-inferior to oral PEG in children with FC. Clinical Trial Registration:www.ClinicalTrials.gov, identifier: NCT02751411.

Dataset Information

A randomised, double-blind study of polyethylene glycol 4000 and lactulose in the treatment of constipation in children.

Publications

A randomised, double-blind study of polyethylene glycol 4000 and lactulose in the treatment of constipation in children.

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