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Clinical Trial Details — Status: Enrolling by invitation

Administrative data

NCT number NCT03063463
Other study ID # 161769
Secondary ID
Status Enrolling by invitation
Phase
First received
Last updated
Start date February 15, 2017
Est. completion date June 2025

Study information

Verified date May 2024
Source Vanderbilt University Medical Center
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Currently there are no existing data to determine why some achalasia patients lose weight while others do not. The purpose of this study is to gather data from patients diagnosed with achalasia to determine if differences may be identified between those who lose weight and those who do not that would help us better understand the mechanism of weight loss in this population.


Description:

Patients either diagnosed with or being evaluated for achalasia and scheduled for standard clinic visits with the principal investigator as part of their routine care will be considered for participation in this study. Blood work, vital signs, and 24-hour dietary recall will be collected over a period of one year. These data will lay the foundation for future scientific endeavors to : a) assess requirements for dietary and/or nutritional supplements; b) formulate an achalasia diet; c) develop clinical practice standards; and d) design an intervention study.


Recruitment information / eligibility

Status Enrolling by invitation
Enrollment 50
Est. completion date June 2025
Est. primary completion date June 2025
Accepts healthy volunteers No
Gender All
Age group 18 Years to 75 Years
Eligibility Inclusion Criteria: 1. Subject is able to provide written informed consent to participate in the study before completing any study-related procedures 2. Subject is male or female aged 18-75 years, inclusive at time of consent. 3. Subject has a documented diagnosis of achalasia based on high resolution manometry and endoscopy report. 4. Subject has been or will be scheduled to undergo either EGD with pneumatic dilation or surgical myotomy as routine care for treatment of achalasia. 5. Subject is willing and has an understanding and ability to fully comply with study procedures and restrictions defined in this protocol. Exclusion Criteria: 1. Subject has any condition or abnormality, current or past that, in the opinion of the principal investigator, would compromise the safety of the subject or interfere with or complicate the assessment of signs or symptoms of achalasia. Such conditions may include psychiatric problems; neurologic deficits or disease; developmental delay; lung transplant; or previous gastroesophageal surgery. 2. Subject has had previous pneumatic dilation of treatment of achalasia. 3. Subject has had botulinum toxin (botox) injection for treatment of achalasia. 4. Subject has a history or high risk of noncompliance with treatment or regular clinic visits.

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
pneumatic dilation
Pneumatic dilation of the lower esophageal sphincter (LES) consists of inserting a guide wire under visual control into the stomach and to pass the balloon over the guide wire. The balloon is inflated, disrupting the muscle fibers of the sphincter.
surgical myotomy
This procedure destroys the muscles at the gastroesophageal junction, allowing the valve (LES) between the esophagus and stomach to remain open.

Locations

Country Name City State
United States Vanderbilt University Medical Center Nashville Tennessee

Sponsors (1)

Lead Sponsor Collaborator
Vanderbilt University Medical Center

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Body weight Currently there are no existing data to determine why some achalasia patients lose weight while others do not. The purpose of this study is to determine if differences may be identified between those who lose weight and those who do not. Body weight will be monitored at study visits throughout the study. One year
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