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The dopaminergic system in patients with Functional Dyspepsia analyzed by an Alpha-Methyl-Para-Tyrosine (AMPT) challenge test and Single Photon Emission Computed Tomography (SPECT) imaging before and after treatment with amitriptyline.

Conditions
Functional Dyspepsia (FD)
Registration Number
NL-OMON20110
Lead Sponsor
Academic Medical Center (AMC) amsterdam, department of gastroenterology
Brief Summary

/A

Detailed Description

Not available

Recruitment & Eligibility

Status
Pending
Sex
Not specified
Target Recruitment
60
Inclusion Criteria

1. Age 18-65 years;
2. Functional dyspepsia (NDI>25);
3. Take part in the amitriptyline study;
4. No effect of PPI or 3 months constantly the same doses;
5. No depression (ZUNG<50);
6. No medications which influence the intestine.

Exclusion Criteria

1. Gastroduodenal surgery;
2. Reflux-like dyspepsia (Rome II criteria);
3. Use of antidepressivants;
4. Organic abnormalities;
5. Pregnancy;
6. Severe cardiac, renal, pulmonary, hepatic or systemic diseases. Hyperthyroidism, glaucoma and epilepsy;
7. Metal implantates.

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
To evaluate if patients with functional dyspepsia have a change in their dopaminergic system what leads to visceral hypersensitivity.
Secondary Outcome Measures
NameTimeMethod
Has amitriptyline a positive effect on those changes in the dopaminergic system through reducing the stress?
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