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Antidepressants for functional dyspepsia

Functional, a.k.a. “nonulcer,” dyspepsia is a challenging diagnosis and likely afflicts many more patients than we have identified in our practices. Functional dyspepsia (FD) is defined by the presence of postprandial fullness, early satiety, epigastric pain or burning, and no evidence of structural disease. These are the patients who do not get better with proton pump inhibitors or feel better after a bowel movement.

After a negative upper endoscopy and Helicobacter pylori stool antigen test, the task turns to symptom control. But what’s the best treatment?

Dr. Nicholas J. Talley of the University of Newcastle in Callaghan, Australia, and colleagues conducted a multicenter, randomized trial evaluating the comparative efficacy of amitriptyline or escitalopram for symptom control, gastric emptying, and meal-induced satiety in patients with FD (Gastroenterology. 2015;149(2):340-9.e2).

Participants were enrolled if they met Rome II criteria for FD requiring that folks in the preceding 12 months have at least 12 weeks of dyspepsia, absence of organic disease, and no relationship to defecation. Patients were randomized to placebo, amitriptyline 50 mg (titrated), or escitalopram 10 mg. Medication was given for 10 weeks. The primary endpoint was adequate relief of symptoms for at least 5 weeks.

A total of 292 patients (most of whom [75%] were female) with an average age of 44 years were randomized. Seventy percent had dysmotility-like FD and 30% had ulcer-like FD.

Patients with ulcer-like FD receiving amitriptyline were more likely to report adequate relief (odds ratio, 3.1; 95% confidence interval, 1.1-9.0). Neither medication affected gastric emptying or meal-induced satiety. Both medications improved overall quality of life.

The data support the use of amitriptyline for ulcer-like FD. Some of these patients may have comorbid psychiatric illness that may be improved with escitalopram. Perhaps this is what is impacting the quality-of-life metric that taps into dimensions above and beyond relief of symptoms (such as sleep disturbance or work/study).

Proton pump inhibitors tend to be overused, and many of our patients take them indefinitely without trying to see how they do off of them. Some patients for whom we have not considered a diagnosis of FD may be on PPIs because we have had nothing else to offer them. Maybe they felt better because of a PPI placebo effect and we have continued them.

If we can, we should review the diagnosis of dyspepsia, consider FD as a possibility etiology for gastrointestinal distress, stop the PPIs, and try amitriptyline.

Dr. Ebbert is professor of medicine, a general internist at the Mayo Clinic in Rochester, Minn., and a diplomate of the American Board of Addiction Medicine. The opinions expressed are those of the author and do not necessarily represent the views and opinions of the Mayo Clinic. The opinions expressed in this article should not be used to diagnose or treat any medical condition nor should they be used as a substitute for medical advice from a qualified, board-certified practicing clinician. Dr. Ebbert has no relevant financial disclosures about this article. Follow him on Twitter @jonebbert.

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Functional, a.k.a. “nonulcer,” dyspepsia is a challenging diagnosis and likely afflicts many more patients than we have identified in our practices. Functional dyspepsia (FD) is defined by the presence of postprandial fullness, early satiety, epigastric pain or burning, and no evidence of structural disease. These are the patients who do not get better with proton pump inhibitors or feel better after a bowel movement.

After a negative upper endoscopy and Helicobacter pylori stool antigen test, the task turns to symptom control. But what’s the best treatment?

Dr. Nicholas J. Talley of the University of Newcastle in Callaghan, Australia, and colleagues conducted a multicenter, randomized trial evaluating the comparative efficacy of amitriptyline or escitalopram for symptom control, gastric emptying, and meal-induced satiety in patients with FD (Gastroenterology. 2015;149(2):340-9.e2).

Participants were enrolled if they met Rome II criteria for FD requiring that folks in the preceding 12 months have at least 12 weeks of dyspepsia, absence of organic disease, and no relationship to defecation. Patients were randomized to placebo, amitriptyline 50 mg (titrated), or escitalopram 10 mg. Medication was given for 10 weeks. The primary endpoint was adequate relief of symptoms for at least 5 weeks.

A total of 292 patients (most of whom [75%] were female) with an average age of 44 years were randomized. Seventy percent had dysmotility-like FD and 30% had ulcer-like FD.

Patients with ulcer-like FD receiving amitriptyline were more likely to report adequate relief (odds ratio, 3.1; 95% confidence interval, 1.1-9.0). Neither medication affected gastric emptying or meal-induced satiety. Both medications improved overall quality of life.

The data support the use of amitriptyline for ulcer-like FD. Some of these patients may have comorbid psychiatric illness that may be improved with escitalopram. Perhaps this is what is impacting the quality-of-life metric that taps into dimensions above and beyond relief of symptoms (such as sleep disturbance or work/study).

Proton pump inhibitors tend to be overused, and many of our patients take them indefinitely without trying to see how they do off of them. Some patients for whom we have not considered a diagnosis of FD may be on PPIs because we have had nothing else to offer them. Maybe they felt better because of a PPI placebo effect and we have continued them.

If we can, we should review the diagnosis of dyspepsia, consider FD as a possibility etiology for gastrointestinal distress, stop the PPIs, and try amitriptyline.

Dr. Ebbert is professor of medicine, a general internist at the Mayo Clinic in Rochester, Minn., and a diplomate of the American Board of Addiction Medicine. The opinions expressed are those of the author and do not necessarily represent the views and opinions of the Mayo Clinic. The opinions expressed in this article should not be used to diagnose or treat any medical condition nor should they be used as a substitute for medical advice from a qualified, board-certified practicing clinician. Dr. Ebbert has no relevant financial disclosures about this article. Follow him on Twitter @jonebbert.

Functional, a.k.a. “nonulcer,” dyspepsia is a challenging diagnosis and likely afflicts many more patients than we have identified in our practices. Functional dyspepsia (FD) is defined by the presence of postprandial fullness, early satiety, epigastric pain or burning, and no evidence of structural disease. These are the patients who do not get better with proton pump inhibitors or feel better after a bowel movement.

After a negative upper endoscopy and Helicobacter pylori stool antigen test, the task turns to symptom control. But what’s the best treatment?

Dr. Nicholas J. Talley of the University of Newcastle in Callaghan, Australia, and colleagues conducted a multicenter, randomized trial evaluating the comparative efficacy of amitriptyline or escitalopram for symptom control, gastric emptying, and meal-induced satiety in patients with FD (Gastroenterology. 2015;149(2):340-9.e2).

Participants were enrolled if they met Rome II criteria for FD requiring that folks in the preceding 12 months have at least 12 weeks of dyspepsia, absence of organic disease, and no relationship to defecation. Patients were randomized to placebo, amitriptyline 50 mg (titrated), or escitalopram 10 mg. Medication was given for 10 weeks. The primary endpoint was adequate relief of symptoms for at least 5 weeks.

A total of 292 patients (most of whom [75%] were female) with an average age of 44 years were randomized. Seventy percent had dysmotility-like FD and 30% had ulcer-like FD.

Patients with ulcer-like FD receiving amitriptyline were more likely to report adequate relief (odds ratio, 3.1; 95% confidence interval, 1.1-9.0). Neither medication affected gastric emptying or meal-induced satiety. Both medications improved overall quality of life.

The data support the use of amitriptyline for ulcer-like FD. Some of these patients may have comorbid psychiatric illness that may be improved with escitalopram. Perhaps this is what is impacting the quality-of-life metric that taps into dimensions above and beyond relief of symptoms (such as sleep disturbance or work/study).

Proton pump inhibitors tend to be overused, and many of our patients take them indefinitely without trying to see how they do off of them. Some patients for whom we have not considered a diagnosis of FD may be on PPIs because we have had nothing else to offer them. Maybe they felt better because of a PPI placebo effect and we have continued them.

If we can, we should review the diagnosis of dyspepsia, consider FD as a possibility etiology for gastrointestinal distress, stop the PPIs, and try amitriptyline.

Dr. Ebbert is professor of medicine, a general internist at the Mayo Clinic in Rochester, Minn., and a diplomate of the American Board of Addiction Medicine. The opinions expressed are those of the author and do not necessarily represent the views and opinions of the Mayo Clinic. The opinions expressed in this article should not be used to diagnose or treat any medical condition nor should they be used as a substitute for medical advice from a qualified, board-certified practicing clinician. Dr. Ebbert has no relevant financial disclosures about this article. Follow him on Twitter @jonebbert.

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