Comparison of Efficacy & Tolerability Of PEG 4000 Versus PEG 3350+ Electrolytes for Pediatric Fecal Disimpaction
NCT ID: NCT06349031
Last Updated: 2024-04-12
Study Results
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Basic Information
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NOT_YET_RECRUITING
PHASE4
100 participants
INTERVENTIONAL
2024-04-15
2024-09-15
Brief Summary
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Polyethylene glycol (PEG) based laxatives have been recommended as the first-line therapeutic agents. The commonly used formulations are PEG 3350 with a molecular weight between 3200- 3700 g/mol and PEG 4000 with molecular weight of 4000 g/mol. Both are shown to be effective in pediatric constipation management in placebo-controlled trials. PEG 3350 + Electrolyte (E) is more widely used than PEG 4000 for the management of constipation. This might be because of the perception that PEG 3350 + E is safer in terms of preventing electrolyte imbalance. However, because of the inclusion of electrolytes, PEG 3350+ E solution taste saltier than PEG 4000. Many patients struggle to tolerate the unpleasant taste resulting in the high incidence of non-compliance. To date, no pediatric trials have compared PEG 4000 versus PEG 3350+E for management of Fecal disimpaction.
Present study has been planned to evaluate the efficacy \& tolerability of PEG 4000 versus PEG 3350+ E for fecal disimpaction in pediatric functional constipation. Patients between age 1-16 years having functional constipation (as per ROME IV criteria) with fecal impaction will be included. Subjects will be randomly assigned to either PEG 4000 or PEG 3350+E at a ratio of 1:1. They will be stratified into 3 different age groups: 1-5 years, 6-11 years, and 12-16 years. They will receive either of the PEG solutions (as per allocation) at a dose of 1.5 gm/kg/day for 6 consecutive days or till the resolution of fecal impaction whichever is earlier. The resolution of fecal impaction is defined as the passage of clear liquid stool and the disappearance of palpable abdominal fecolith.
Primary outcome is defined as the proportion of subjects achieving fecal disimpaction in each arm.
Secondary outcomes are defined as follows:
1. Total no of Days required to achieve fecal disimpaction in each arm
2. Cumulative dose of PEG required for fecal disimpaction in each arm
3. Proportion of subjects (\> 5 years age) reporting palatability issues in each arm
4. Proportion of subjects discontinuing the treatment due to palatability issues in each arm
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Detailed Description
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Thirty to seventy-five percent of children with functional constipation also have fecal impaction. It typically begins after several bouts of painful bowel movements, which triggers a vicious cycle of fear-induced stool-withholding behavior leading to more stool retention. Consequently, a significant amount of feces accumulates in the rectum forming a big fecal mass or fecaloma, causing a variety of complaints, including gastrointestinal discomfort, excessive flatulence, nausea or vomiting, poor appetite, mood swings \& irritability. European Society for Pediatric Gastroenterology, Hepatology, and Nutrition (ESPGHAN) \& the North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition (NASPGHAN) position paper on pediatric constipation defines fecal impaction as any one of the following: i) palpation of a hard mass in the lower abdomen on physical examination, ii) a dilated rectum filled with a large amount of stool on rectal examination, iii) abdominal radiography showing excessive stool in the distal colon.
The treatment strategy for functional constipation includes fecal disimpaction and maintenance therapy to ensure regular bowel movements. ESPGHAN \& NASPGHAN guidelines emphasize that maintenance therapy remains ineffective until disimpaction has been achieved. If initial disimpaction is skipped, oral laxative therapy may paradoxically worsen fecal incontinence/encopresis attributable to overflow diarrhea.
Polyethylene glycol (PEG) based laxatives have been recommended as the first-line therapeutic agents for both disimpaction as well as maintenance therapy in childhood functional constipation. PEG, a biologically inert polymer of the formula H(OCH2CH2)nOH in which n is 68-84. These are non-absorbable polymers, that create an osmotic gradient in the intestinal lumen leading to fluid retention which in turn softens and loosens the stool. Hence, they act as osmotic laxatives. As it does not carry any electrical charge, it does not influence the movement of any other solutes. The commonly used formulations are PEG 3350 with a molecular weight between 3200 and 3700 g/mol and PEG 4000 with an approximate molecular weight of 4000 g/mol. Both are shown to be effective in pediatric constipation management in placebo-controlled trials. However, there is scanty literature available comparing other aspects of various PEG formulations, such as tolerability, palatability, \& convenience of administration, which may affect treatment adherence and thus the ultimate treatment outcome. PEG + Electrolyte (E) is more widely used than PEG for the management of constipation. This might be because of the perception that PEG + E is safer in terms of preventing electrolyte imbalance.
However, several head-to-head trials using different PEG formulations in adult constipation patients, showed comparable efficacy and safety. Because of the inclusion of electrolytes, PEG+E tastes saltier than PEG. Many patients struggle to tolerate the unpleasant taste resulting in the high incidence of non-compliance and treatment failure . Two studies from the adult population have demonstrated better acceptance of PEG in comparison to PEG+E . In fact, the latest meta-analysis concluded that the addition of electrolytes to PEG does not provide any clinical benefits over PEG alone.
In a recent double-blind RCT, PEG 4000 is found to be equally efficacious and safe as PEG 3350 + E as a long-term maintenance therapy in children with functional constipation . However, they have not described the tolerability or acceptability data of the cohort. There is only a single pediatric study that showed, PEG 4000 is equally effective and had a higher patient acceptance rate owing to significantly lesser nausea, vomiting episodes, and better palatability compared to PEG 3350. However, both these studies are majorly focused on the comparison between PEG 3350 + E versus PEG 4000 as a long-term maintenance therapy in pediatric functional constipation. There is only a single study that compared PEG 3350 versus PEG 3350 only laxative for fecal disimpaction. Both of them were found to almost equally effective in resolution of fecal impaction, however PEG 3350 + E group had significantly higher side effects as compared to PEG 3350 only laxative.
To date, no pediatric trials have compared PEG versus PEG+E on a head-to-head basis for the treatment of the initial but most important \& crucial step of pediatric function constipation management i.e. Fecal disimpaction. Since fecal disimpaction requires administration of a significantly larger volume of PEG administration, palatability becomes a major factor determining the success of disimpaction. On the other hand, there is also of higher possibility of side effects like electrolyte \& acid base imbalances because of higher purge rate during disimpaction. Comparison of both these parameters namely tolerability/palatability and safety/side effects profile of PEG versus PEG + E during fecal disimpaction in pediatric population has not been studied previously.
Therefore, the present study has been planned with an aim to evaluate the efficacy \& tolerability of PEG 4000 versus PEG 3350+ electrolytes for fecal disimpaction in paediatric functional constipation.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
QUADRUPLE
Study Groups
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Polyethylene glycol (PEG) 3350 +Electrolytes ARM
\[PEG 33500+Electrolyte\] will be administered at a dose of 1.5 gm/kg/day dissolved in water until resolution of fecal impaction or a maximum till 6 days whichever is earlier. Fecal impaction Resolution is defined as passage of clear liquid stool and no palpable abdominal fecolith
Administration of Polyethylene Glycol (PEG) 3350 + Electrolyte as per treatment allocation to participants
As per treatment allocation, PEG 3350 + Electrolytes will be administered to participants at a dose of 1.5 gm/kg/day dissolved in water until resolution of fecal impaction or a maximum till 6 days whichever is earlier. Fecal impaction Resolution is defined as : Passage of clear liquid stool and no palpable abdominal fecolith
Polyethylene glycol (PEG) 4000 ARM
PEG 4000 will be administered at a dose of 1.5 gm/kg/day dissolved in water until resolution of fecal impaction or a maximum till 6 days whichever is earlier. Fecal impaction Resolution is defined as : Passage of clear liquid stool and no palpable abdominal fecolith
Administration of Polyethylene Glycol (PEG) 4000 as per treatment allocation to participants
As per treatment allocation, PEG 4000 will be administered to participants at a dose of 1.5 gm/kg/day dissolved in water until resolution of fecal impaction or a maximum till 6 days whichever is earlier. Fecal impaction Resolution is defined as : Passage of clear liquid stool and no palpable abdominal fecolith
Interventions
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Administration of Polyethylene Glycol (PEG) 4000 as per treatment allocation to participants
As per treatment allocation, PEG 4000 will be administered to participants at a dose of 1.5 gm/kg/day dissolved in water until resolution of fecal impaction or a maximum till 6 days whichever is earlier. Fecal impaction Resolution is defined as : Passage of clear liquid stool and no palpable abdominal fecolith
Administration of Polyethylene Glycol (PEG) 3350 + Electrolyte as per treatment allocation to participants
As per treatment allocation, PEG 3350 + Electrolytes will be administered to participants at a dose of 1.5 gm/kg/day dissolved in water until resolution of fecal impaction or a maximum till 6 days whichever is earlier. Fecal impaction Resolution is defined as : Passage of clear liquid stool and no palpable abdominal fecolith
Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
2. Organic constipation ie, I.Neurological disorders eg. Neural tube defects/cerebral/motor neuron diseases/neuro regression syndromes II.Hirschsprung disease, or anal anomalies III.Known metabolic or endocrine disorders
3. Patients with previous gastrointestinal surgery (except appendectomy)
4. Children with suspected gastrointestinal obstruction
5. Patients taking PEG (either at the time of enrolment or within 2 month before enrolment)
6. Patients receiving medication at enrolment or within 1 month before enrolment influencing gastrointestinal motility function (eg, lactulose, loperamide, cisapride)
7. Known history of Allergy to PEG formulations
8. Patients having comorbidity of any other system like CVS/Respiratory/CNS etc
9. Known case of Chronic kidney disease or history of acute kidney injury in past 3 monthes
1 Year
16 Years
ALL
No
Sponsors
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Institute of Medical Sciences and SUM Hospital
OTHER
Responsible Party
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Kalpana Panda
Associate Professor
Principal Investigators
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Kalpana Panda, MD, DM
Role: PRINCIPAL_INVESTIGATOR
Associate Professor
Locations
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Institute of Medical Sciences (IMS) and SUM Hospital
Bhubaneswar, Odisha, India
Countries
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Central Contacts
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Facility Contacts
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References
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Benninga MA, Voskuijl WP, Taminiau JA. Childhood constipation: is there new light in the tunnel? J Pediatr Gastroenterol Nutr. 2004 Nov;39(5):448-64. doi: 10.1097/00005176-200411000-00002. No abstract available.
Rubin G, Dale A. Chronic constipation in children. BMJ. 2006 Nov 18;333(7577):1051-5. doi: 10.1136/bmj.39007.760174.47. No abstract available.
van den Berg MM, Benninga MA, Di Lorenzo C. Epidemiology of childhood constipation: a systematic review. Am J Gastroenterol. 2006 Oct;101(10):2401-9. doi: 10.1111/j.1572-0241.2006.00771.x.
Tran DL, Sintusek P. Functional constipation in children: What physicians should know. World J Gastroenterol. 2023 Feb 28;29(8):1261-1288. doi: 10.3748/wjg.v29.i8.1261.
Rasquin A, Di Lorenzo C, Forbes D, Guiraldes E, Hyams JS, Staiano A, Walker LS. Childhood functional gastrointestinal disorders: child/adolescent. Gastroenterology. 2006 Apr;130(5):1527-37. doi: 10.1053/j.gastro.2005.08.063.
Shatnawi MS, Alrwalah MM, Ghanma AM, Alqura'an ML, Zreiqat EN, Alzu'bi MM. Lactulose versus polyethylene glycol for disimpaction therapy in constipated children, a randomized controlled study. Sudan J Paediatr. 2019;19(1):31-36. doi: 10.24911/SJP.106-1546805996.
Tabbers MM, DiLorenzo C, Berger MY, Faure C, Langendam MW, Nurko S, Staiano A, Vandenplas Y, Benninga MA; European Society for Pediatric Gastroenterology, Hepatology, and Nutrition; North American Society for Pediatric Gastroenterology. Evaluation and treatment of functional constipation in infants and children: evidence-based recommendations from ESPGHAN and NASPGHAN. J Pediatr Gastroenterol Nutr. 2014 Feb;58(2):258-74. doi: 10.1097/MPG.0000000000000266.
Alper A, Pashankar DS. Polyethylene glycol: a game-changer laxative for children. J Pediatr Gastroenterol Nutr. 2013 Aug;57(2):134-40. doi: 10.1097/MPG.0b013e318296404a.
Treepongkaruna S, Simakachorn N, Pienvichit P, Varavithya W, Tongpenyai Y, Garnier P, Mathiex-Fortunet H. A randomised, double-blind study of polyethylene glycol 4000 and lactulose in the treatment of constipation in children. BMC Pediatr. 2014 Jun 19;14:153. doi: 10.1186/1471-2431-14-153.
Candy DC, Edwards D, Geraint M. Treatment of faecal impaction with polyethelene glycol plus electrolytes (PGE + E) followed by a double-blind comparison of PEG + E versus lactulose as maintenance therapy. J Pediatr Gastroenterol Nutr. 2006 Jul;43(1):65-70. doi: 10.1097/01.mpg.0000228097.58960.e6.
Youssef NN, Peters JM, Henderson W, Shultz-Peters S, Lockhart DK, Di Lorenzo C. Dose response of PEG 3350 for the treatment of childhood fecal impaction. J Pediatr. 2002 Sep;141(3):410-4. doi: 10.1067/mpd.2002.126603.
Bekkali NL, van den Berg MM, Dijkgraaf MG, van Wijk MP, Bongers ME, Liem O, Benninga MA. Rectal fecal impaction treatment in childhood constipation: enemas versus high doses oral PEG. Pediatrics. 2009 Dec;124(6):e1108-15. doi: 10.1542/peds.2009-0022.
Miller MK, Dowd MD, Friesen CA, Walsh-Kelly CM. A randomized trial of enema versus polyethylene glycol 3350 for fecal disimpaction in children presenting to an emergency department. Pediatr Emerg Care. 2012 Feb;28(2):115-9. doi: 10.1097/PEC.0b013e3182442c0a.
Seinela L, Sairanen U, Laine T, Kurl S, Pettersson T, Happonen P. Comparison of polyethylene glycol with and without electrolytes in the treatment of constipation in elderly institutionalized patients: a randomized, double-blind, parallel-group study. Drugs Aging. 2009;26(8):703-13. doi: 10.2165/11316470-000000000-00000.
Chaussade S, Minic M. Comparison of efficacy and safety of two doses of two different polyethylene glycol-based laxatives in the treatment of constipation. Aliment Pharmacol Ther. 2003 Jan;17(1):165-72. doi: 10.1046/j.1365-2036.2003.01390.x.
Szojda MM, Mulder CJ, Felt-Bersma RJ. Differences in taste between two polyethylene glycol preparations. J Gastrointestin Liver Dis. 2007 Dec;16(4):379-81.
Katelaris P, Naganathan V, Liu K, Krassas G, Gullotta J. Comparison of the effectiveness of polyethylene glycol with and without electrolytes in constipation: a systematic review and network meta-analysis. BMC Gastroenterol. 2016 Mar 31;16:42. doi: 10.1186/s12876-016-0457-9.
Bekkali NLH, Hoekman DR, Liem O, Bongers MEJ, van Wijk MP, Zegers B, Pelleboer RA, Verwijs W, Koot BGP, Voropaiev M, Benninga MA. Polyethylene Glycol 3350 With Electrolytes Versus Polyethylene Glycol 4000 for Constipation: A Randomized, Controlled Trial. J Pediatr Gastroenterol Nutr. 2018 Jan;66(1):10-15. doi: 10.1097/MPG.0000000000001726.
Savino F, Viola S, Erasmo M, Di Nardo G, Oliva S, Cucchiara S. Efficacy and tolerability of peg-only laxative on faecal impaction and chronic constipation in children. A controlled double blind randomized study vs a standard peg-electrolyte laxative. BMC Pediatr. 2012 Nov 15;12:178. doi: 10.1186/1471-2431-12-178.
Boles EE, Gaines CL, Tillman EM. Comparison of Polyethylene Glycol-Electrolyte Solution vs Polyethylene Glycol-3350 for the Treatment of Fecal Impaction in Pediatric Patients. J Pediatr Pharmacol Ther. 2015 May-Jun;20(3):210-6. doi: 10.5863/1551-6776-20.3.210.
Other Identifiers
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IEC/IMS.SH/SOA/2024/683
Identifier Type: -
Identifier Source: org_study_id
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