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Santucci NR, Corsiglia J, EI-Chammas K, Shumeiko O, Liu C, Kaul A. Liquid and solid gastric emptying and correlation with clinical characteristics in pediatric patients with dyspepsia. Neurogastroenterol Motil 2024; 36:e14701. [PMID: 37926966 PMCID: PMC10843701 DOI: 10.1111/nmo.14701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 09/21/2023] [Accepted: 10/24/2023] [Indexed: 11/07/2023]
Abstract
BACKGROUND There is limited data on gastric emptying in dyspeptic children. We aimed to determine solid and liquid emptying rates in dyspeptic children and correlate with clinical characteristics. METHODS Charts of dyspeptic children undergoing 4-hour dual-phase gastric scintigraphy were reviewed for demographics, symptoms, and comorbidities. KEY RESULTS In 1078 dyspeptic patients (65% females, median age 13 years) vomiting (55%), nausea (53%), and abdominal pain (52%) were the most common symptoms. The most common comorbidities were mental health (32%), neurologic (27%), and hypermobility spectrum disorders (20%). Solid and liquid emptying rates were aligned in 61.23%. Delayed solid with normal liquid emptying were noted in 2.5%, compared to delayed liquid with normal solid emptying in 26.16%. Abdominal pain had a trend for association with delayed or normal solid emptying (p = 0.06). Nausea was mostly reported with normal solid emptying (p < 0.0001) and underreported in patients <12 years with vomiting (29%). Abnormal solid emptying (rapid and delayed) was noted more frequently in children with mental health disorders (p = 0.027). Rapid liquid emptying was more common in children with genetic disorders (p = 0.032). CONCLUSION AND INFERENCES Over half of children with dyspepsia had delayed liquid gastric emptying, and one quarter had delayed liquid with normal solid emptying. Dual-phase gastric emptying studies may help target therapy in dyspeptic children. Nausea is not a reliable symptom for dyspepsia in younger children. Given the significant association of abnormal gastric emptying in children with mental health disorders, we recommend screening and treating children with dyspepsia.
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Affiliation(s)
- Neha R. Santucci
- Gastroenterology, Hepatology and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Joshua Corsiglia
- Gastroenterology, Hepatology and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
| | - Khalil EI-Chammas
- Gastroenterology, Hepatology and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | | | - Chunyan Liu
- Division of Biostatistics and Epidemiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
| | - Ajay Kaul
- Gastroenterology, Hepatology and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
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2
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Sanger GJ, Andrews PLR. Review article: An analysis of the pharmacological rationale for selecting drugs to inhibit vomiting or increase gastric emptying during treatment of gastroparesis. Aliment Pharmacol Ther 2023; 57:962-978. [PMID: 36919196 DOI: 10.1111/apt.17466] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 02/28/2023] [Accepted: 03/01/2023] [Indexed: 03/16/2023]
Abstract
BACKGROUND Drugs which can inhibit nausea/vomiting and/or increase gastric emptying are used to treat gastroparesis, mostly 'off-label'. Within each category, they act at different targets and modulate different physiological mechanisms. AIMS Address the questions: In gastroparesis, why should blocking one pathway causing vomiting, be more appropriate than another? Why might increasing gastric emptying via one mechanism be more appropriate than another? METHODS Drugs used clinically were identified via consensus opinions and reviews, excluding the poorly characterised. Their pharmacology was defined, mapped to mechanisms influencing vomiting and gastric emptying, and rationale developed for therapeutic use. RESULTS Vomiting: Rationale for 5-HT3 , D2 , H1 or muscarinic antagonists, and mirtazapine, amitriptyline, nortriptyline, are poor. Arguments for inhibiting central consequences of vagal afferent transmission by NK1 antagonism are complicated by doubts over effects on nausea. Gastric emptying: Confusion emerges because of side-effects of drugs increasing gastric emptying: Metoclopramide (5-HT4 agonist, D2 and 5-HT3 antagonist; also blocks some emetic stimuli and causes tardive dyskinesia) and Erythromycin (high-efficacy motilin agonist, requiring low doses to minimise side-effects). Limited trials with selective 5-HT4 agonists indicate variable efficacy. CONCLUSIONS Several drug classes inhibiting vomiting have no scientific rationale. NK1 antagonism has rationale but complicated by limited efficacy against nausea. Studies must resolve variable efficacy of selective 5-HT4 agonists and apparent superiority over motilin agonists. Overall, lack of robust activity indicates a need for novel approaches targeting nausea (e.g., modulating gastric pacemaker or vagal activity, use of receptor agonists or new targets such as GDF15) and objective assessments of nausea.
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Affiliation(s)
- Gareth J Sanger
- Faculty of Medicine and Dentistry, Blizard Institute, Queen Mary University of London, London, UK
| | - Paul L R Andrews
- Division of Biomedical Sciences, St George's University of London, London, UK
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3
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McMahan ZH, Kulkarni S, Chen J, Chen JZ, Xavier RJ, Pasricha PJ, Khanna D. Systemic sclerosis gastrointestinal dysmotility: risk factors, pathophysiology, diagnosis and management. Nat Rev Rheumatol 2023; 19:166-181. [PMID: 36747090 DOI: 10.1038/s41584-022-00900-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/20/2022] [Indexed: 02/08/2023]
Abstract
Nearly all patients with systemic sclerosis (SSc) are negatively affected by dysfunction in the gastrointestinal tract, and the severity of gastrointestinal disease in SSc correlates with high mortality. The clinical complications of this dysfunction are heterogeneous and include gastro-oesophageal reflux disease, gastroparesis, small intestinal bacterial overgrowth, intestinal pseudo-obstruction, malabsorption and the requirement for total parenteral nutrition. The abnormal gastrointestinal physiology that promotes the clinical manifestations of SSc gastrointestinal disease throughout the gastrointestinal tract are diverse and present a range of therapeutic targets. Furthermore, the armamentarium of medications and non-pharmacological interventions that can benefit affected patients has substantially expanded in the past 10 years, and research is increasingly focused in this area. Here, we review the details of the gastrointestinal complications in SSc, tie physiological abnormalities to clinical manifestations, detail the roles of standard and novel therapies and lay a foundation for future investigative work.
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Affiliation(s)
| | - Subhash Kulkarni
- Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Joan Chen
- Division of Gastroenterology, University of Michigan, Ann Arbor, MI, USA
| | - Jiande Z Chen
- Division of Gastroenterology, University of Michigan, Ann Arbor, MI, USA
| | - Ramnik J Xavier
- Division of Gastroenterology, Massachusetts General Hospital, Boston, MA, USA.,Center for Microbiome Informatics and Therapeutics, Massachusetts Institute of Technology, Cambridge, MA, USA.,Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - P Jay Pasricha
- Division of Gastroenterology, Johns Hopkins University, Baltimore, MD, USA.,Department of Medicine, Mayo Clinic, Scottsdale, AZ, USA
| | - Dinesh Khanna
- Division of Rheumatology, University of Michigan, Ann Arbor, MI, USA. .,University of Michigan Scleroderma Program, Ann Arbor, MI, USA.
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Iglesias-Escabi IM, Kleesattel D, McDaniel LS, Reuther E, LeBlanc C, Hyman PE, Santucci NR. Effect of Mirtazapine on Nausea in Children with Functional Nausea and Functional Dyspepsia Postprandial Distress Syndrome. Paediatr Drugs 2022; 24:155-161. [PMID: 35188625 DOI: 10.1007/s40272-022-00494-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/24/2022] [Indexed: 11/28/2022]
Abstract
OBJECTIVE The objective of this study was to assess the clinical response and safety of mirtazapine in the pediatric population with a diagnosis of functional nausea and nausea associated with functional dyspepsia postprandial distress syndrome. METHODS This was a retrospective chart review to evaluate the safety and efficacy of mirtazapine for pediatric nausea and nausea associated with functional dyspepsia postprandial distress syndrome. Clinical response was classified as complete response, partial response, and no response. We also identified the prescribed doses, side effects, and weight changes during mirtazapine therapy. RESULTS Among the 57 total patients, 67% were females and ages ranged from 7 to 19 years with a mean of 14 ± 3 years. Clinical (complete and partial) response was reported in 82% of patients. Nausea resolved in 82% and insomnia in 77% of the patients. Eighty-four percent gained weight with a mean of 4 ± 7 kg. Sixty-five percent did not report adverse effects. The most common adverse effects were undesired weight gain (16%) and dysphoria (9%). Two patients discontinued the medicine after the first dose because of adverse effects. There was a significant correlation between the initial dose and weight (rs = 0.478; p = 0.0002). The median initial and final doses were 15 mg, respectively. CONCLUSIONS Mirtazapine is an option for treating children and adolescents with functional nausea and nausea associated with functional dyspepsia post-prandial distress syndrome, especially for a select group of patients with concurrent weight loss, anxiety, and insomnia.
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Affiliation(s)
- Ivonne M Iglesias-Escabi
- Department of Pediatric Gastroenterology, Hepatology, and Nutrition of LSU Health Sciences Center New Orleans, New Orleans, LA, USA.,Children's Hospital of New Orleans, New Orleans, LA, USA
| | - David Kleesattel
- Division of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Lee S McDaniel
- Department of LSU School of Public Health of New Orleans, New Orleans, LA, USA
| | - Erin Reuther
- Children's Hospital of New Orleans, New Orleans, LA, USA
| | - Colleen LeBlanc
- Department of Pediatric Gastroenterology, Hepatology, and Nutrition of LSU Health Sciences Center New Orleans, New Orleans, LA, USA.,Children's Hospital of New Orleans, New Orleans, LA, USA
| | - Paul E Hyman
- Department of Pediatric Gastroenterology, Hepatology, and Nutrition of LSU Health Sciences Center New Orleans, New Orleans, LA, USA.,Children's Hospital of New Orleans, New Orleans, LA, USA
| | - Neha R Santucci
- Division of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA. .,Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Cincinnati Children's Hospital Center, Suite T8.382, 3333 Burnet Ave, Cincinnati, OH, 45229, USA.
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5
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Carbone F, Vanuytsel T, Tack J. The effect of prucalopride on gastric sensorimotor function and satiation in healthy volunteers. Neurogastroenterol Motil 2021; 33:e14083. [PMID: 33615630 DOI: 10.1111/nmo.14083] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 12/07/2020] [Accepted: 12/16/2020] [Indexed: 12/20/2022]
Abstract
BACKGROUND Gastric motor function alterations have been implicated in the pathogenesis of functional dyspepsia with postprandial distress syndrome (PDS). Prucalopride, a 5-TH4 agonist, is known to stimulate gastrointestinal motility. We aimed to evaluate the effect of prucalopride on gastric sensorimotor function in healthy subjects (HV). METHODS Barostat and intragastric pressure (IGP) measurements were performed in 17 HV (59% females, age 29.4 ± 2.7 y) after treatment with placebo or prucalopride (2 mg) (single-blind cross-over). Isobaric stepwise distensions and gastric sensations were assessed to determine gastric compliance and sensitivity. Gastric accommodation (GA) with the barostat was quantified before and after ingestion of 200 ml of a nutrient drink (ND). GA measured by IGP was quantified as the drop of IGP from baseline during the intragastric infusion of ND until maximal satiation (60 ml/min). KEY RESULTS Prucalopride did not affect barostat assessed gastric compliance or sensitivity. No differences were observed in GA after prucalopride. During the barostat study, 10 min after the meal, 7 HVs reported significantly higher ratings for nausea after prucalopride (p < 0.001), and vomiting was induced in 4 of the HVs. A positive correlation was observed between the delta mean perception of nausea with the delta mean increase of intra-balloon volume before and after meal ingestion (r = 0.37, p = 0.03). During IGP measurements, no effect on nutrient tolerance was observed and increased cramp severity scores were observed which were associated with a significant increase of distal IGP (r = 0.78, p < 0.0001). CONCLUSIONS & INFERENCES Prucalopride does not enhances gastric accommodation but it might increase sensitivity to gastric distention. Furthermore, the increase in sensitivity seems to be related to an increase in nausea with distension. Clinicaltrials.gov: NCT04429802.
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Affiliation(s)
- Florencia Carbone
- Translational Research Center for Gastrointestinal Disorders (TARGID, KULeuven, Leuven, Belgium
| | - Tim Vanuytsel
- Translational Research Center for Gastrointestinal Disorders (TARGID, KULeuven, Leuven, Belgium
| | - Jan Tack
- Translational Research Center for Gastrointestinal Disorders (TARGID, KULeuven, Leuven, Belgium
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6
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Carbone F, Goelen N, Fikree A, Aziz Q, Tack J. Impact of joint hypermobility syndrome on gastric accommodation and nutrient tolerance in functional dyspepsia. Neurogastroenterol Motil 2021; 33:e14086. [PMID: 33528850 DOI: 10.1111/nmo.14086] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 11/25/2020] [Accepted: 01/06/2021] [Indexed: 01/07/2023]
Abstract
UNLABELLED Functional dyspepsia (FD) is defined as the presence of gastroduodenal symptoms in the absence of organic disease that is likely to explain the symptoms. Joint hypermobility (JH) refers to the increased passive or active movement of a joint beyond its normal range and is characteristically present in patients with joint hypermobility syndrome (JHS), which is a hypermobile subtype of Ehlers-Danlos syndrome (EDS). Recent reports have highlighted the co-existence of FD with Ehlers-Danlos syndrome. Our aim was to study the prevalence of JHS in FD compared with healthy subjects and to study the impact of co-existing JHS on gastric motility, nutrient tolerance, and dyspeptic symptoms in FD. METHODS FD patients filled out a dyspepsia symptom severity score. Intragastric pressure (IGP) was measured with high-resolution manometry (HRM) during the intragastric infusion of nutrition drink (ND, 1.5 Kcal/ml, 60 ml/min) until maximal satiation in healthy subjects and FD. We compared IGP profiles and nutrient tolerance in HS and FD with or without JHS. RESULTS JHS was present in 54% of FD patients (n = 39, 41.2 ± 2.2 years old) and 7% of healthy subjects (n = 15, 27.3 ± 2.3 years old). IGP drop and nutrient tolerance were lower in non-JHS-FD compared with JHS-FD and HS (AUC JHS-FD: -17.9 ± 2.5 vs. non-JHS-FD: -13.0 ± 3.3 mmHg min, p = 0.2, HS:-19.6 ± 2.9 mmHg min; ND tolerance non-JHS-FD: 671.0 ± 96.0 vs. JHS-FD: 842.7 ± 105.7 Kcal, p = 0.25, HS: 980.0 ± 108.1 Kcal). CONCLUSION JHS often co-exists with FD. Non-JHS-FD was characterized by decreased accommodation and lower nutrient tolerance characterized compared with JHS-FD. Clinicaltrials.gov, reference number NCT04279990.
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Affiliation(s)
- Florencia Carbone
- Translational Research Center for Gastrointestinal Disorders, KU Leuven, Leuven, Belgium
| | - Nick Goelen
- Translational Research Center for Gastrointestinal Disorders, KU Leuven, Leuven, Belgium
| | - Asma Fikree
- Wingate Institute of Neurogastroenterology, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Qasim Aziz
- Wingate Institute of Neurogastroenterology, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Jan Tack
- Translational Research Center for Gastrointestinal Disorders, KU Leuven, Leuven, Belgium
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7
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Nutrient Drinking Test as Biomarker in Functional Dyspepsia. Am J Gastroenterol 2021; 116:1387-1395. [PMID: 33941747 DOI: 10.14309/ajg.0000000000001242] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Accepted: 02/23/2021] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Functional dyspepsia (FD) is a prevalent condition with multifactorial pathophysiology, including impaired gastric accommodation (GA), hypersensitivity to gastric distention, and delayed gastric emptying. Drink tests (DT) have been proposed as a potential biomarker for the presence and severity of gastric sensorimotor dysfunction. Thus, we aimed to summarize the state of knowledge on different DT and their potential as a biomarker for FD. METHODS A PubMed and MEDLINE search was conducted for English language articles, reviews, meta-analyses, case series, and randomized controlled trials, including also published meeting abstracts. RESULTS Several DT have been described in literature (e.g., different type of liquid, number of calories used, pace of drinking, and subject's awareness of the amount of liquid drunk). FD patients ingest significantly less volume in the different variants of the tests. The slow nutrient ("satiety drinking") test (SDT) studies show the most consistent separation between health and FD and correlation with GA. However, sensitivity to distention may be correlated with rapid DT. SDTs were used to evaluate the effect of several pharmacological agents, often showing concordance between their effects on GA and tolerated nutrient volume. This correlation was not found mainly for agents with central actions. DISCUSSION An SDT is a potential diagnostic biomarker in FD, reflecting GA. Additional studies are required to confirm its role as a predictive biomarker for treatment outcome in FD.
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8
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Abstract
Functional dyspepsia is a common functional gastrointestinal (GI) disorder of gastroduodenal origin, diagnosed clinically in the presence of prototypical symptoms of epigastric pain and meal-related symptoms, and without structural explanation. The most recent diagnostic criteria provide for two functional dyspepsia subtypes, epigastric pain syndrome (EPS) and post-prandial distress syndrome (PDS) based on the predominant symptom pattern. The evaluation of dyspepsia should keep laboratory, imaging, and invasive testing to a minimum, as extensive or repetitive investigations are of rather low diagnostic yield in the absence of localizing symptoms or alarm features. Factors with etiopathologic relationships to functional dyspepsia include micro-inflammation, GI infections, abnormalities of gastroduodenal motility, visceral hypersensitivity, disturbances along the brain-gut axis, and psychological factors; all of these causative mechanisms have potential to partially explain symptoms in some functional dyspepsia patients, thus providing a rationale for the efficacy of a diversity of therapeutic approaches to functional dyspepsia. Management of dyspepsia symptoms relies upon both pharmacologic treatments and non-pharmacologic approaches, including psychological and complementary interventions. The evidence in support of established functional dyspepsia therapies is reviewed, and forms the basis for an effective functional dyspepsia treatment strategy emphasizing the patient's current symptom severity, pattern, and impact on the function and quality of life of the individual.
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9
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Essa H, Hamdy S, Green D, Lal S, McLaughlin J, Hoffmann S, Leitao E, Paine P. Hydrogen and methane breath test results are negatively associated with IBS and may reflect transit time in post-surgical patients. Neurogastroenterol Motil 2021; 33:e14033. [PMID: 33184950 DOI: 10.1111/nmo.14033] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 10/22/2020] [Accepted: 10/27/2020] [Indexed: 02/08/2023]
Abstract
BACKGROUND Contention surrounds hydrogen and methane breath tests as putative measures of small intestinal bacterial overgrowth. We aimed to explore the clinical characteristics associated with positive and negative results to help clarify their role. METHODS 525 glucose hydrogen/methane breath tests completed over 3 years were analyzed to look for positively and negatively associated predictive factors. Characteristics such as height and weight and underlying medical conditions, medications, and surgical history were collated. KEY RESULTS There were 85 and 42 positive hydrogen and methane tests, respectively. Patients with irritable bowel syndrome (IBS) (HR = 0.17, p = 0.004) and those with a higher body mass index (HR = 0.93, p = 0.004) were significantly less likely to have a positive test. Patients who underwent the test post-surgically were significantly more likely to have a positive test (HR = 2.76, p = 0.001). A sub-analysis of post-surgical patients by type and region of surgical resection demonstrated that none were statistically more likely than the next to have a positive test. However, for the surgical group as a whole the number of motility-depressing drugs taken (such as opioids) was associated with a significantly decreased likelihood of a positive test (HR = 0.752, p = 0.045). CONCLUSION Our data suggest that patients with a diagnosis of IBS are statistically less likely to have a positive test and it is of limited utility in this group. Post-surgical patients are more likely to have a positive test, possibly secondary to fast transit rather than bacterial overgrowth, as suggested by a significantly negative association with motility-suppressing drugs in this sub-group.
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Affiliation(s)
- Hani Essa
- Department of Gastroenterology, Salford Royal Hospital, Salford, UK
| | - Shaheen Hamdy
- Department of Gastroenterology, Salford Royal Hospital, Salford, UK.,Division of Diabetes, Endocrinology and Gastroenterology, Centre for GI Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - Darren Green
- Department of Renal Medicine, Salford Royal Hospital, Salford, UK
| | - Simon Lal
- Department of Gastroenterology, Salford Royal Hospital, Salford, UK.,Division of Diabetes, Endocrinology and Gastroenterology, Centre for GI Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - John McLaughlin
- Department of Gastroenterology, Salford Royal Hospital, Salford, UK.,Division of Diabetes, Endocrinology and Gastroenterology, Centre for GI Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - Sandra Hoffmann
- Department of Nuclear Medicine, Salford Royal Hospital, Salford, UK
| | - Eugena Leitao
- Department of Nuclear Medicine, Salford Royal Hospital, Salford, UK
| | - Peter Paine
- Department of Gastroenterology, Salford Royal Hospital, Salford, UK.,Division of Diabetes, Endocrinology and Gastroenterology, Centre for GI Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
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10
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Manini ML, Barazi A, Khemani D, Abd-Rabu R, Absah I, Fischer PR, Mara K, Stephens M, Camilleri M. Gastrointestinal motility evaluation in children with orthostatic intolerance: Mayo Clinic experience. Neurogastroenterol Motil 2020; 32:e13863. [PMID: 32483845 DOI: 10.1111/nmo.13863] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 03/02/2020] [Accepted: 04/02/2020] [Indexed: 02/08/2023]
Abstract
OBJECTIVE Orthostatic intolerance (OI) and autonomic dysfunction (AD) are common in adolescents and young adults. Patients experience multisystem symptoms including gastrointestinal (GI), postural orthostatic tachycardia syndrome (POTS), orthostatic hypotension (OH), or only symptoms of OI (SOI) without significant findings on 70-degree head-up tilt testing (HUT). We hypothesize that patients with POTS, OH, and SOI show differences in GI symptoms and motility test and that heart rate (HR) changes on HUT predict severity of GI dysmotility. STUDY DESIGN From medical records of patients (<18 years) with OI, we collected demographics, presenting symptoms, GI manifestations, and GI motility testing. Data were compared between the 3 groups (POTS, OH, and SOI). We assessed changes in HR on HUT with changes on GI motility evaluation. RESULTS Two hundred twenty-nine patients were included (73% females). Abdominal pain (65%), nausea (49%), vomiting (18%), and constipation (24%) were the most common GI symptoms. In patients who had motility evaluation, there were 27% (53/193) with delayed gastric emptying (GE) at 4 hours, 35% (32/92) with delayed colonic transit (CT), 55% (17/31) with reduced gastric accommodation (GA), and 75% (21/28) with dyssynergic defecation (DD). Among 100 POTS, 34 OH, and 95 SOI patients, no significant differences in GI symptoms or motility tests were identified and HR changes on HUT were not associated with changes on motility tests. CONCLUSION GI symptoms are frequent in adolescents with OI and are associated with delayed GE, reduced GA, delayed CT, and presence of DD.
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Affiliation(s)
- Mhd Louai Manini
- Division of Pediatric Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Adnan Barazi
- Division of Pediatric Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Disha Khemani
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Rami Abd-Rabu
- Division of Pediatric Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Imad Absah
- Division of Pediatric Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Philip R Fischer
- Division of General Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, Minnesota
| | - Kristin Mara
- Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, Minnesota
| | - Michael Stephens
- Division of Pediatric Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Michael Camilleri
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
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11
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Mosso E, Bonetto S, Longobardi G, Abenavoli L, Ribaldone DG, Saracco GM, Pellicano R. Management of functional dyspepsia in 2020: a clinical point of view. MINERVA GASTROENTERO 2020; 66:331-342. [PMID: 32623872 DOI: 10.23736/s1121-421x.20.02732-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Dyspepsia is a disorder that refers mainly to central upper abdominal pain or discomfort. When a cause of this symptom is not identified the condition is termed functional dyspepsia (FD), that affects a large part of the general population. The relevance of FD is due to its high prevalence, but also to its chronic or intermittent course. This induces a significant burden for each national healthcare system. The pathogenesis of FD is complex and multifactorial, depending on cultural, environmental, and biological factors. Although considered of main importance in the pathophysiology of several gastroduodenal diseases, in the context of FD Helicobacter pylori (H. pylori) infection plays a limited role. The diagnosis of FD requires the exclusion of organic gastroduodenal diseases as well as H. pylori infection. Thus, the diagnostic workup includes a complete anamnesis, biochemical tests, and endoscopy with biopsy (when requested), and the satisfaction of clinic criteria recommended by the Rome IV consensus. The treatment of FD is also challenging, in fact more and more studies focused on a wide range of different therapies, with a multitude of results. The aim of this literature review is to provide an update of the new evidences useful for diagnosis and management of FD.
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Affiliation(s)
- Elena Mosso
- Department of Medical Sciences, University of Turin, Turin, Italy
| | - Silvia Bonetto
- Department of Medical Sciences, University of Turin, Turin, Italy
| | | | - Ludovico Abenavoli
- Department of Health Sciences, Magna Graecia University, Catanzaro, Italy
| | | | - Giorgio M Saracco
- Department of Medical Sciences, University of Turin, Turin, Italy.,Unit of Gastroenterology, Molinette Hospital, Turin, Italy
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12
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Vandenberghe A, Schol J, Van den Houte K, Masuy I, Carbone F, Tack J. Current and emerging therapeutic options for the management of functional dyspepsia. Expert Opin Pharmacother 2020; 21:365-376. [PMID: 31899982 DOI: 10.1080/14656566.2019.1707805] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Introduction: Functional Dyspepsia (FD), defined as chronic symptoms originating from the gastroduodenal region in absence of readily identifiable organic disease, is one of the most common gastrointestinal disorders. FD is divided into two subgroups: Post-Prandial Distress Syndrome (PDS) or meal-related FD, characterized by postprandial fullness and early satiation, and Epigastric Pain Syndrome (EPS) or meal-unrelated FD, characterized by epigastric pain and burning.Areas covered: This review summarizes the existing and off-label therapeutic options for FD.Expert opinion: The identification of mechanisms, the Rome IV classification, the reduction of PDS/EPS overlap and pictograms for symptom identification allow a better diagnosis and a more targeted treatment choice. Acotiamide, a first-in-class prokinetic agent available only in Japan and India, is the only agent of proven efficacy for FD, but clinicians use acid-suppressive therapy, prokinetics, neuromodulators and herbal therapies for treating FD symptoms. New emerging targets are duodenal low-grade inflammation with eosinophils and duodenal or other modified luminal microbiota.
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Affiliation(s)
- A Vandenberghe
- Translational Research Centre for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
| | - J Schol
- Translational Research Centre for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
| | - K Van den Houte
- Translational Research Centre for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
| | - I Masuy
- Translational Research Centre for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
| | - F Carbone
- Translational Research Centre for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
| | - J Tack
- Translational Research Centre for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
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Carbone F, Verschueren S, Rotondo A, Tack J. Duodenal nutrient exposure contributes to enhancing gastric accommodation. Neurogastroenterol Motil 2019; 31:e13697. [PMID: 31448521 DOI: 10.1111/nmo.13697] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2018] [Revised: 07/01/2019] [Accepted: 07/29/2019] [Indexed: 12/13/2022]
Abstract
BACKGROUND The gastric accommodation reflex consists of a relaxation which creates a reservoir for the ingested food before emptying to the duodenum occurs. The mechanisms that control gastric accommodation are not fully understood. This study aims to use intragastric pressure (IGP) measurement and pyloric balloon obstruction to determine the contribution of duodenal nutrient exposure to gastric accommodation and meal-induced satiation. METHODS Two conditions were tested in 11 healthy subjects (28.3 ± 3.2 years; 23.6 ± 0.7 kg/m2 ; four females). IGP was measured during an intragastric nutrient drink (ND) infusion at a constant rate (60 mL/min) in the presence of a deflated (control) or inflated (pyloric obstruction) balloon placed into the pylorus. During the study, subjects filled out Likert scales for satiation scores and visual analogue scale for 9 epigastric symptoms (hunger, expected amount to eat, satiation, bloating, fullness, nausea, belching, gastric cramps, and pain) before and during ND infusion until maximal satiation. KEY RESULTS During pyloric obstruction, the IGP drop and the area above the IGP curve (AAC) were significantly smaller compared with the control condition (6.7 ± 1.0 mm Hg vs3.6 ± 0.8 mm Hg, P = .03 and 69.7 ± 13.5 mm Hg × min vs 20.1 ± 9.0 mm Hg × min, P = .001, respectively). Pyloric obstruction decreased nutrient tolerance compared with the control condition (787.9 ± 73.1 mL vs 970.9 ± 79.2 mL, respectively, P < .05). Pyloric obstruction increased symptoms of bloating (1.3 ± 0.4 vs 2.6 ± 0.6; P = .04), fullness (2.3 ± 0.5 vs 3.6 ± 0.3; P = .03), and nausea (0.4 ± 0.2 vs 1.3 ± 0.4; P = .04) compared to control. CONCLUSION & INFERENCES Duodenal nutrient exposure contributes to enhancing gastric accommodation. Preventing the passage of nutrients from the stomach to the duodenum inhibits gastric accommodation and increases meal-induced satiation, bloating, nausea, and fullness.
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Affiliation(s)
- Florencia Carbone
- Translational Research Centre for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
| | - Sofie Verschueren
- Translational Research Centre for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
| | - Alessandra Rotondo
- Translational Research Centre for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
| | - Jan Tack
- Translational Research Centre for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
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14
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Tack J, Masuy I, Van Den Houte K, Wauters L, Schol J, Vanuytsel T, Vandenberghe A, Carbone F. Drugs under development for the treatment of functional dyspepsia and related disorders. Expert Opin Investig Drugs 2019; 28:871-889. [DOI: 10.1080/13543784.2019.1673365] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Jan Tack
- Translational Research Centre for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
| | - Imke Masuy
- Translational Research Centre for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
| | - Karen Van Den Houte
- Translational Research Centre for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
| | - Lucas Wauters
- Translational Research Centre for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
| | - Jolien Schol
- Translational Research Centre for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
| | - Tim Vanuytsel
- Translational Research Centre for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
| | - Alain Vandenberghe
- Translational Research Centre for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
| | - Florencia Carbone
- Translational Research Centre for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
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15
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Masuy I, Van Oudenhove L, Tack J. Review article: treatment options for functional dyspepsia. Aliment Pharmacol Ther 2019; 49:1134-1172. [PMID: 30924176 DOI: 10.1111/apt.15191] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 12/03/2018] [Accepted: 01/23/2019] [Indexed: 01/10/2023]
Abstract
BACKGROUND Functional dyspepsia, consisting of epigastric pain syndrome and postprandial distress syndrome, is a prevalent functional gastrointestinal disorder. To date, only limited treatment options are available and conflicting results in terms of efficacy have been reported. Consequently, nonpharmacological treatment options are increasingly being explored for functional dyspepsia. AIM To provide an overview of current pharmacological and nonpharmacological treatment options for functional dyspepsia. METHODS A literature search was conducted on Pubmed and other sources to identify relevant studies. RESULTS Acid suppressive therapy reduced symptoms in 30%-70% of the patients, with higher benefit in epigastric pain syndrome and superior effectiveness for proton pump inhibitors compared to H2 -antagonists. Prokinetic agents, primarily used to treat postprandial distress syndrome, showed variable efficiency: 59%-81% responder rate for dopamine receptor antagonists, 32%-91% for serotonin-4-receptor agonists and 31%-80% for muscarinic receptor antagonists. H Pylori eradication, recommended in infected patients, was effective in 24%-82%. Refractory symptoms are addressed with neuromodulators. However, their efficacy in functional dyspepsia remains incompletely elucidated, available data showing symptom reduction in 27%-71% of the patients. Regarding herbal agents, peppermint oil reduced symptoms in 66%-91%, rikkunshito in 29%-34% and iberogast in 20%-95%. Lastly, acupuncture, cognitive behavioural therapy and hypnotherapy may help to provide symptom control, but research on their efficacy remains sparse. CONCLUSIONS None of the available therapies is effective in the majority of patients without being associated with major side effects. Developing new treatment options is challenging due to the heterogeneity of functional dyspepsia, the lack of readily identified target mechanisms and the poor association between pathophysiological disturbances and symptoms.
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Affiliation(s)
- Imke Masuy
- Translational Research Centre for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
| | - Lukas Van Oudenhove
- Translational Research Centre for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
| | - Jan Tack
- Translational Research Centre for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
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Wang XJ, Camilleri M. Personalized medicine in functional gastrointestinal disorders: Understanding pathogenesis to increase diagnostic and treatment efficacy. World J Gastroenterol 2019; 25:1185-1196. [PMID: 30886502 PMCID: PMC6421234 DOI: 10.3748/wjg.v25.i10.1185] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 02/04/2019] [Accepted: 02/23/2019] [Indexed: 02/06/2023] Open
Abstract
There is overwhelming evidence that functional gastrointestinal disorders (FGIDs) are associated with specific mechanisms that constitute important targets for personalized treatment. There are specific mechanisms in patients presenting with functional upper gastrointestinal symptoms (UGI Sx). Among patients with UGI Sx, approximately equal proportions (25%) of patients have delayed gastric emptying (GE), reduced gastric accommodation (GA), both impaired GE and GA, or neither, presumably due to increased gastric or duodenal sensitivity. Treatments targeted to the underlying pathophysiology utilize prokinetics, gastric relaxants, or central neuromodulators. Similarly, specific mechanisms in patients presenting with functional lower gastrointestinal symptoms, especially with diarrhea or constipation, are recognized, including at least 30% of patients with functional constipation pelvic floor dyssynergia and 5% has colonic inertia (with neural or interstitial cells of Cajal loss in myenteric plexus); 25% of patients with diarrhea-predominant irritable bowel syndrome (IBSD) has evidence of bile acid diarrhea; and, depending on ethnicity, a varying proportion of patients has disaccharidase deficiency, and less often sucrose-isomaltase deficiency. Among patients with predominant pain or bloating, the role of fermentable oligosaccharides, disaccharides, monosaccharides and polyols should be considered. Personalization is applied through pharmacogenomics related to drug pharmacokinetics, specifically the role of CYP2D6, 2C19 and 3A4 in the use of drugs for treatment of patients with FGIDs. Single mutations or multiple genetic variants are relatively rare, with limited impact to date on the understanding or treatment of FGIDs. The role of mucosal gene expression in FGIDs, particularly in IBS-D, is the subject of ongoing research. In summary, the time for personalization of FGIDs, based on deep phenotyping, is here; pharmacogenomics is relevant in the use of central neuromodulators. There is still unclear impact of the role of genetics in the management of FGIDs.
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Affiliation(s)
- Xiao Jing Wang
- Division of Gastroenterology and Hepatology, Clinical Enteric Neuroscience Translational and Epidemiological Research, Mayo Clinic, Rochester, MN 55905, United States
| | - Michael Camilleri
- Division of Gastroenterology and Hepatology, Clinical Enteric Neuroscience Translational and Epidemiological Research, Mayo Clinic, Rochester, MN 55905, United States
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Abstract
Nausea and vomiting result from complex interactions between afferent and efferent pathways of the gastrointestinal tract, central nervous system, and autonomic nervous system. Afferent pathways from the vagus nerve, vestibular system, and chemoreceptor trigger zone project to nucleus tractus solitarius, which in turn relays signals to the central pattern generator to initiate multiple downstream pathways resulting in symptoms of nausea and vomiting. There is increasing evidence that the central pathway of chronic nausea is different from that of acute nausea and vomiting-and closely resembles that of neuropathic pain. This improved understanding of chronic nausea has resulted in a paradigm shift with regard to management strategy. Although conventional therapies such as antiemetics and prokinetics are commonly used to manage acute nausea and vomiting, they are historically not as effective in treating chronic nausea. Recently, neuromodulator agents, such as tricyclic antidepressants, gabapentin, olanzapine, mirtazapine, and benzodiazepines, and cannabinoids have been shown to be efficacious in the treatment of nausea and vomiting, and may be useful in the treatment of chronic symptoms. There is a need to study these agents, especially in the management of chronic functional nausea. Improved understanding of the central and peripheral circuitry of nausea and vomiting symptoms will allow for enhanced utilization of the currently available medications, and the development of novel therapeutic options.
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Van Den Houte K, Carbone F, Tack J. Postprandial distress syndrome: stratification and management. Expert Rev Gastroenterol Hepatol 2019; 13:37-46. [PMID: 30791841 DOI: 10.1080/17474124.2019.1543586] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Functional dyspepsia (FD), defined by the Rome consensus as the presence of functional symptoms originating from the gastroduodenum, is one of the most common functional gastrointestinal disorders. FD is subdivided into postprandial distress syndrome (PDS), with meal-related symptoms such as postprandial fullness and early satiation, and epigastric pain syndrome (EPS), with meal-unrelated symptoms such as epigastric pain or burning. We used a literature search for a narrative review on the current state of knowledge regarding PDS. Areas covered: Epidemiological studies support PDS as a separate entity and the biggest FD subgroup. The pathophysiology of PDS is heterogeneous, and disorders of gastric sensorimotor function as well as low grade duodenal inflammation have been implicated. Although prokinetic agents may provide the most pathophysiology-oriented treatment option, there is a paucity of suitable agents, and proton pump inhibitors are the traditional first-line therapy. Other options include agents that enhance gastric accommodation, such as acotiamide and 5-HT1A agonists, neuromodulators such as mirtazapine, and traditional medicine approaches. Expert commentary: PDS is highly prevalent, with probably heterogeneous underlying pathophysiology. Motility modifying agents and neuromodulators are the cornerstone of PDS therapy, but there is a need for high quality studies of new therapeutic approaches.
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Affiliation(s)
- Karen Van Den Houte
- a Translational Research Center for Gastrointestinal Diseases (TARGID) , University of Leuven , Leuven , Belgium
| | - Florencia Carbone
- a Translational Research Center for Gastrointestinal Diseases (TARGID) , University of Leuven , Leuven , Belgium
| | - Jan Tack
- a Translational Research Center for Gastrointestinal Diseases (TARGID) , University of Leuven , Leuven , Belgium
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Abstract
PURPOSE OF REVIEW The purpose of this article is to review the recent literature and discuss the new approaches to the diagnosis and treatment of functional dyspepsia (FD). RECENT FINDINGS According to the recent American College of Gastroenterology (ACG) and Canadian Association of Gastroenterology (CAG) guideline for dyspepsia, Helicobacter pylori (H. pylori) eradication is recommended as a first treatment option, and proton pump inhibitors (PPIs), tricyclic antidepressants, and prokinetics are listed as second-line therapy. On the other hand, in the Japanese guideline for FD, PPIs and prokinetics are recommended as the first-line treatment. In Japan, acotiamide, a recently launched prokinetic, showed significant efficacy in several clinical trials performed either in Japan or Europe. Regarding non-pharmacological treatment, recent topics include acupuncture, electrical stimulation, gastric peroral endoscopic myotomy, and meal and lifestyle modification. These treatments have provided significant efficacy, which provides some insights into the main pathophysiology of this disease. Although FD is common among functional gastrointestinal disorders, it is not easy to relieve the dyspeptic symptoms of FD patients. Combinations of pharmacological and non-pharmacological treatment options are expected.
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Tack J, Camilleri M. New developments in the treatment of gastroparesis and functional dyspepsia. Curr Opin Pharmacol 2018; 43:111-117. [PMID: 30245474 DOI: 10.1016/j.coph.2018.08.015] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Revised: 08/26/2018] [Accepted: 08/28/2018] [Indexed: 12/12/2022]
Abstract
Functional dyspepsia (FD) and gastroparesis are frequent causes of upper gastrointestinal symptoms such as postprandial fullness, early satiation, epigastric pain or burning, upper abdominal bloating, bothersome belching, nausea and vomiting. The underlying pathophysiological mechanisms are heterogeneous and involved mechanisms such as abnormal gastric motility (accommodation, emptying), visceral hypersensitivity, low grade mucosal inflammation and cellular changes in enteric nerves, muscle or interstitial cells of Cajal. Patient-reported outcomes for evaluating treatment efficacy in these conditions were recently developed and validated. Prokinetic agents, which enhance gastric motility, are used for treating both gastroparesis and FD. In FD, besides acid suppressive therapy and Helicobacter pylori eradication, neuromodulators and drugs that enhance gastric accommodation can be applied. In gastroparesis, anti-emetics may also provide symptom relief. Novel approaches under evaluation in these conditions are the fundus relaxing agents acotiamide and buspirone and the antidepressant mirtazapine in FD. For gastroparesis, recently studied agents include the prokinetic ghrelin agonist relamorelin, the prokinetic serotonergic agents velusetrag and prucalopride, the anti-emetic aprepitant and per-endoscopic pyloric myotomy procedures.
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Affiliation(s)
- Jan Tack
- TARGID, University Hospital, Leuven, Belgium.
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Drossman DA, Tack J, Ford AC, Szigethy E, Törnblom H, Van Oudenhove L. Neuromodulators for Functional Gastrointestinal Disorders (Disorders of Gut-Brain Interaction): A Rome Foundation Working Team Report. Gastroenterology 2018; 154:1140-1171.e1. [PMID: 29274869 DOI: 10.1053/j.gastro.2017.11.279] [Citation(s) in RCA: 210] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 11/13/2017] [Accepted: 11/24/2017] [Indexed: 12/14/2022]
Abstract
BACKGROUND & AIMS Central neuromodulators (antidepressants, antipsychotics, and other central nervous system-targeted medications) are increasingly used for treatment of functional gastrointestinal disorders (FGIDs), now recognized as disorders of gut-brain interaction. However, the available evidence and guidance for the use of central neuromodulators in these conditions is scanty and incomplete. In this Rome Foundation Working Team report, a multidisciplinary team summarized available research evidence and clinical experience to provide guidance and treatment recommendations. METHODS The working team summarized the literature on the pharmacology of central neuromodulators and their effects on gastrointestinal sensorimotor function and conducted an evidence-based review on their use for treating FGID syndromes. Because of the paucity of data for FGIDs, we included data for non-gastrointestinal painful disorders and specific symptoms of pain, nausea, and vomiting. This information was combined into a final document comprising a synthesis of available evidence and recommendations for clinical use guided by the research and clinical experience of the experts on the committee. RESULTS The evidence-based review on neuromodulators in FGID, restricted by the limited available controlled trials, was integrated with open-label studies and case series, along with the experience of experts to create recommendations using a consensus (Delphi) approach. Due to the diversity of conditions and complexity of treatment options, specific recommendations were generated for different FGIDs. However, some general recommendations include: (1) low to modest dosages of tricyclic antidepressants provide the most convincing evidence of benefit for treating chronic gastrointestinal pain and painful FGIDs and serotonin noradrenergic reuptake inhibitors can also be recommended, though further studies are needed; (2) augmentation, that is, adding a second treatment (adding quetiapine, aripiprazole, buspirone α2δ ligand agents) is recommended when a single medication is unsuccessful or produces side effects at higher dosages; (3) treatment should be continued for 6-12 months to potentially prevent relapse; and (4) implementation of successful treatment requires effective communication skills to improve patient acceptance and adherence, and to optimize the patient-provider relationship. CONCLUSIONS Based on systematic and selectively focused review and the consensus of a multidisciplinary panel, we have provided summary information and guidelines for the use of central neuromodulators in the treatment of chronic gastrointestinal symptoms and FGIDs. Further studies are needed to confirm and refine these recommendations.
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Affiliation(s)
- Douglas A Drossman
- Center for Functional Gastrointestinal and Motility Disorders, University of North Carolina, Chapel Hill, North Carolina; Center for Education and Practice of Biopsychosocial Care and Drossman Gastroenterology, Chapel Hill, North Carolina.
| | - Jan Tack
- Translational Research Center for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
| | - Alexander C Ford
- Leeds Institute of Biomedical and Clinical Sciences, University of Leeds, Leeds, United Kingdom; Leeds Gastroenterology Institute, St James's University Hospital, Leeds, United Kingdom
| | - Eva Szigethy
- Departments of Psychiatry and Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Hans Törnblom
- Departments of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Lukas Van Oudenhove
- Laboratory for Brain-Gut Axis Studies, Translational Research Center for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
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