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Comparison of Peroral Endoscopic Myotomy (POEM) With Laparoscopic Heller Myotomy (LHM) for Treatment of Achalasia (POEM3)

U

Universitätsklinikum Hamburg-Eppendorf

Status

Terminated

Conditions

Comparison of Long-term Success Rates of POEM With LHM
Comparison of Short- Term Success Rates of POEM With LHM

Study type

Observational

Funder types

Other

Identifiers

NCT02018705
PV4519
Ethics Committee, Hamburg (Registry Identifier)

Details and patient eligibility

About

For the treatment of Achalasia, LHM has been the only surgical therapy. Recently, an endoscopic approach for this therapy has been developed (peroral endoscopic Myotomy POEM). Studies show promising short and mid term results for POEM. At present, POEM is considered a promising new technique with the potential to become a standard achalasia treatment. For this to happen, long-term comparative data with LHM is required. Therefore,the intention for this study is to investigate the short and long-term efficacy of POEM for the treatment of achalasia as it was performed in international centers and compare outcomes with database assessment of LHM.

Full description

Achalasia is a neurodegenerative esophageal motility disorder characterized by incomplete lower esophageal sphincter (LES) relaxation, increased LES tone, and aperistalsis of the esophagus. The standard surgical treatment for achalasia is laparoscopic Heller Myotomy (LHM). A recent meta-analysis of 105 studies reporting on 7855 patients demonstrated that laparoscopic Heller myotomy is the most effective and long-lasting therapy for achalasia. Superior to Endoscopic balloon dilatation or Botulinumtoxin injection LHM has a one year therapeutic efficacy in approximately 90% of patients. Recently an endoscopic technique emulating the principles of LHM was developed. This technique of a purely endoscopic myotomy has been demonstrated by Pasricha et al. in animal experiments and Inoue et al. reported the first clinical study. Other pilot studies and a larger international multi-center trial have replicated promising results for POEM.

Uncontrolled studies show promising short and mid term results for POEM. At present, POEM is considered a promising new technique with the potential to become a standard achalasia treatment. For this to happen, however, comparative data with LHM is required. Our study group intends to investigate the short and long-term efficacy of POEM for the treatment of achalasia as it was performed in international centers and compare outcomes with database assessment of LHM.

Enrollment

47 patients

Sex

All

Ages

18+ years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Patients with symptomatic achalasia and pre-op barium swallow, manometry and oesophago-gastro-duodenoscopy which have been consistent with the diagnosis
  • Age > 18 years with medical indication for interventional achalasia treatment
  • Availability of Eckardt score at baseline and 12 months after initial treatment

Exclusion criteria

  • Patients with previous surgery of the stomach or esophagus
  • Patients with known coagulopathy
  • Previous surgical achalasia treatment
  • Patients with liver cirrhosis and/or esophageal varices
  • Active esophagitis
  • Eosinophilic esophagitis
  • Barrett's esophagus
  • Stricture of the esophagus
  • Malignant or premalignant esophageal lesion
  • Severe Candida esophagitis
  • Hiatal hernia > 1cm
  • Extensive, tortuous dilatation (>7cm luminal diameter, S shape) of the esophagus

Trial design

47 participants in 2 patient groups

POEM
Description:
group of Achalasia patients treated with POEM (peroral endoscopic myotomy)
LHM
Description:
group of Achalasia patients treated with LHM (laparoscopic Heller myotomy)(+ fundoplication)

Trial contacts and locations

5

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Data sourced from clinicaltrials.gov

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