Endoscopic Peroral Myotomy for Treatment of Achalasia

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

NA

Total Enrollment

70 participants

Study Classification

INTERVENTIONAL

Study Start Date

2011-04-30

Study Completion Date

2017-09-30

Brief Summary

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This study intends to investigate the feasibility, safety and efficacy of peroral endoscopic myotomy for the treatment of achalasia in a multi center setting.

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Detailed Description

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This study intends to investigate the feasibility, safety and efficacy of peroral endoscopic myotomy for the treatment of achalasia in a multi center s

70 patients will be enrolled to evaluate feasibility, safety and efficacy of peroral endoscopic myotomy. Main outcome measurement is the Eckardt symptom score at 3 month after peroral endoscopic myotomy.

Primary outcome:

-Eckhard symptom score 3 month after therapy.

Secondary outcomes:

Lower esophageal sphincter pressure at 3 month after therapy. Reflux symptoms at 3 month after therapy. For this prospective study, inclusion criteria are achalasia, as diagnosed by established methods (contrast fluoroscopy, manometry, esophago-gastro-duodenoscopy) and age greater than 18 years. Previous therapy, such as esophageal surgery or previous myotomy are exclusion criterion.

A forward-viewing upper endoscope is used with a transparent distal cap attachment. Carbon dioxide gas is necessary for insufflation during the procedures. An endoscopic knife is used to access the submucosa, dissect the submucosal tunnel and also to divide circular muscle bundles over a length of approximately 10cm, extending 2-3cm onto the cardia. A electrogenerator is used with spray coagulation mode. A coagulating forceps is used for hemostasis as needed. Closure of the mucosal entry site is performed using standard endoscopic clips.

Conditions

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Achalasia

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Peroral endoscopic myotomy

Patients with achalasia who are designed to either have balloon dilatation or botulinum toxine injection, or to have surgical intervention (Heller myotomy) for therapy.

Peroral endoscopic myotomy: A forward-viewing upper endoscope is used with a transparent distal cap attachment. Carbon dioxide gas is necessary for insufflation during the procedures. An endoscopic knife is used to access the submucosa, dissect the submucosal tunnel and also to divide circular muscle bundles over a length of approximately 10cm, extending 2-3cm onto the cardia. A electrogenerator is used with spray coagulation mode. A coagulating forceps is used for hemostasis as needed. Closure of the mucosal entry site is performed using standard endoscopic clips.

Group Type EXPERIMENTAL

Endoscopic Peroral Myotomy

Intervention Type PROCEDURE

Endoscopic peroral myotomy: A forward-viewing upper endoscope is used with a transparent distal cap attachment. Carbon dioxide gas is necessary for insufflation during the procedures. An endoscopic knife is used to access the submucosa, dissect the submucosal tunnel and also to divide circular muscle bundles over a length of approximately 10cm, extending 2-3cm onto the cardia. A electrogenerator is used with spray coagulation mode. A coagulating forceps is used for hemostasis as needed. Closure of the mucosal entry site is performed using standard endoscopic clips.

Interventions

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Endoscopic Peroral Myotomy

Endoscopic peroral myotomy: A forward-viewing upper endoscope is used with a transparent distal cap attachment. Carbon dioxide gas is necessary for insufflation during the procedures. An endoscopic knife is used to access the submucosa, dissect the submucosal tunnel and also to divide circular muscle bundles over a length of approximately 10cm, extending 2-3cm onto the cardia. A electrogenerator is used with spray coagulation mode. A coagulating forceps is used for hemostasis as needed. Closure of the mucosal entry site is performed using standard endoscopic clips.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Patient with symptomatic achalasia and pre-op barium swallow, manometry and esophagogastroduodenoscopy which are consistent with the diagnosis
* persons of age \> 18 years with medical indication for surgical myotomy or Endoscopic balloon dilatation
* Signed written informed consent.

Exclusion Criteria

* Patients with previous surgery of the stomach or esophagus
* Patients with known coagulopathy
* Previous achalasia-treatment with surgery
* Patients with liver cirrhosis and/or esophageal varices
* Active esophagitis
* Eosinophilic esophagitis
* Barrett's esophagus
* Pregnancy
* Stricture of the esophagus
* Malignant or premalignant esophageal lesion
* Candida esophagitis
* Hiatal hernia \> 2cm

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No