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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01469286
Other study ID # TEA-Gastroparesis
Secondary ID R43AT004489
Status Completed
Phase Phase 1
First received November 8, 2011
Last updated April 27, 2017
Start date March 2010
Est. completion date July 2012

Study information

Verified date April 2017
Source Transtimulation Research, Inc
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Gastroparesis is a common disease defined as delayed emptying of the stomach. It is present in at least 20% of about 150 million patients with diabetes worldwide and in more than 20% of patients with functional dyspepsia that affects about 10%-25% of the general population. Gastroparesis is a refractory disease with a lack of therapeutic options. Common symptoms of gastroparesis include nausea, vomiting, early satiety and abdominal bloating.

Electroacupuncture (EA) is a combined procedure with acupuncture and electrical current stimulation instead of manual manipulations of the needles. Recent studies in our lab with EA or transcutaneous EA (TEA) have suggested a therapeutic role of EA or TEA for gastric motility disorders. Improvement has been observed with EA or TEA in gastric emptying as well as dyspeptic symptoms. In this project, a micro-stimulator is designed and developed for the TEA therapy. The micro-stimulator is small enough so that it can be attached to the skin next to the stimulation electrodes and therefore the patient can resume normal daily activity while being treated by TEA. This is not only attractive but also more effective since TEA can be performed more often and for longer durations.

This exploratory project is designed to study the feasibility, efficacy and certain mechanisms of the proposed method of "wireless" TEA in patients with gastroparesis. Firstly the feasibility of the chronic use the proposed micro-stimulator will be studied. Secondly, the efficacy of the TEA in improving delayed gastric emptying and symptoms of gastroparesis will be investigated in a double-blinded crossover design in patients with diabetic or idiopathic gastroparesis. Thirdly, possible mechanisms involving pathogeneses of gastroparesis with TEA will be investigated.


Recruitment information / eligibility

Status Completed
Enrollment 26
Est. completion date July 2012
Est. primary completion date July 2012
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 65 Years
Eligibility Inclusion Criteria:

- At least one severe gastroparetic symptom or two moderate gastroparetic symptoms (see assessment of gastroparetic symptoms);

- Abnormal gastric emptying defined as more than 10% of gastric retention at 4 hrs after a standard solid meal (see below) during the past 3 months;

- Males and females between ages 18-65 yrs;

- Subjects with high probability for compliance and completion of the study.

- Upper endoscopy or upper GI within last 2 years showing no evidence of gastric bezoar, stricture, or peptic ulcer.

- Diabetes.

Exclusion Criteria:

1) History of gastric bezoar or diverticulitis. 2) Severe daily abdominal pain requiring medications for relief. 3) Severe weight loss, greater than 10 lbs over the preceding 2 months. 4) Uncontrolled diabetes with a hemoglobin A1C greater than 10. 5) Excessively delayed gastric emptying time: more than 90% of a standard meal retained after 2 hours. 6) Previous gastro-esophageal surgery including vagotomy, fundoplication, gastric bypass, ulcer surgery. 7) Prior GI surgery except for uncomplicated appendectomy and laparoscopic cholecystectomy; 8) Surgery within the past 3 months. 9) Female of childbearing age who is not practicing birth control and/or is pregnant or lactating. (Confirm with urine pregnancy test). 10) Those who have been treated with acupuncture or those who are familiar with acupuncture points. 11). Allergic to Ensure, strawberry jam and eggs.

Study Design


Related Conditions & MeSH terms


Intervention

Device:
TEA
Electroacupuncture at ST36
Sham-TEA
Electroacupuncture at sham-points

Locations

Country Name City State
United States Texas tech university health science center El Paso Texas
United States University of Mississippi Jackson Mississippi

Sponsors (4)

Lead Sponsor Collaborator
Transtimulation Research, Inc National Center for Complementary and Integrative Health (NCCIH), Texas Tech University Health Sciences Center, University of Mississippi Medical Center

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary gastroparesis symptoms Gastroparetic symptom questionnaire will use the previously validated gastroparesis cardinal symptom index (GCSI), including 9 symptoms: nausea (feeling sick to your stomach as if you were going to vomit or throw up), retching (heaving as if to vomit, but nothing comes up), vomiting, stomach fullness, not able to finish a normal sized meal, feeling excessively full after meals, loss of appetite, bloating (feeling like you need to loose your clothes) and stomach or belly visibly larger. Each symptom will be graded from 0 to 5 (none, very mild, mild, moderate, severe and very severe). 4 weeks
Secondary Gastric emptying Gastric emptying of a solid meal. 4 weeks
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