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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT01637311
Other study ID # ZSNJ-POEM
Secondary ID
Status Recruiting
Phase N/A
First received July 3, 2012
Last updated July 6, 2012
Start date January 2010
Est. completion date December 2014

Study information

Verified date May 2012
Source Shanghai Zhongshan Hospital
Contact Ping-Hong Zhou, MD,PhD
Phone (+86)-21-64041990
Email zhou1968@yahoo.cn
Is FDA regulated No
Health authority China: Ethics Committee
Study type Interventional

Clinical Trial Summary

Achalasia is a rare esophageal motility disorder, which is characterized clinically by symptoms of dysphagia, regurgitation, weight loss and chest pain. With respect to long-term efficacy, Heller myotomy (HM) using an open or a laparoscopic approach has gained wide acceptance as the procedure of choice for the management of patients with primary achalasia in recent years. Although good or excellent long-term symptomatic response rates can be achieved in more than 90% of patients undergoing HM, recurrence or persistence of symptoms occurs in approximately 20%. Controversy exists regarding the therapy of patients with failed success after HM. Peroral endoscopic myotomy (POEM) has recently been described as a new minimally invasive endoscopic myotomy technique intending a permanent cure from primary achalasia. Our purpose was to evaluate the efficacy and the feasibility of POEM for patients with failed HM.


Description:

1. Patients were eligible for enrollment in the study if they were age greater than 18 years and had recurrence/persistence of symptoms after primary HM with an Eckardt symptom score ≥ 4. The diagnosis of achalasia was made on the basis of the absence of peristalsis and on impaired relaxation of the LES on established methods (barium swallow, manometry, esophagogastroduodenoscopy (EGD)). Exclusion criteria were severe cardiopulmonary disease or other serious disease leading to unacceptable surgical risk, pseudoachalasia, and megaesophagus (diameter of > 7 cm).

2. All patients were scheduled for a follow-up visit at 1 month after POEM for EGD and manometry. Symptoms were assessed 1 month after treatment in the clinic and every 3 months thereafter via telephone questionnaires.

3. The primary outcome of the study was therapeutic success (a reduction in the Eckardt score to ≤3) at the follow-up assessment. The secondary outcomes included procedure-related adverse events, LES pressure on manometry pre- and post POEM, reflux symptoms and medication use before and after POEM, and procedure-related parameters such as procedure time, hospital stay, and myotomy length.


Recruitment information / eligibility

Status Recruiting
Enrollment 20
Est. completion date December 2014
Est. primary completion date December 2012
Accepts healthy volunteers No
Gender Both
Age group 18 Years to 80 Years
Eligibility Inclusion Criteria:

- Age greater than 18 years

- Recurrence/persistence of symptoms after primary HM with an Eckardt symptom score = 4

- The diagnosis of achalasia was made on the basis of the absence of peristalsis and on impaired relaxation of the LES on established methods (barium swallow, manometry, esophagogastroduodenoscopy)

Exclusion Criteria:

- Severe cardiopulmonary disease or other serious disease leading to unacceptable surgical risk

- Pseudoachalasia

- megaesophagus (diameter of > 7 cm)

Study Design

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


Intervention

Procedure:
POEM
Peroral endoscopic myotomy (POEM) has recently been described as a new minimally invasive endoscopic myotomy technique intending a permanent cure from primary achalasia.

Locations

Country Name City State
China Endoscopy Center and Endoscopy Research Institute, Zhongshan Hospital, Fudan University Shanghai

Sponsors (1)

Lead Sponsor Collaborator
Shanghai Zhongshan Hospital

Country where clinical trial is conducted

China, 

References & Publications (9)

Duffy PE, Awad ZT, Filipi CJ. The laparoscopic reoperation of failed Heller myotomy. Surg Endosc. 2003 Jul;17(7):1046-9. Epub 2003 May 7. — View Citation

Eckardt AJ, Eckardt VF. Treatment and surveillance strategies in achalasia: an update. Nat Rev Gastroenterol Hepatol. 2011 Jun;8(6):311-9. doi: 10.1038/nrgastro.2011.68. Epub 2011 Apr 26. Review. — View Citation

Gockel I, Junginger T, Eckardt VF. Persistent and recurrent achalasia after Heller myotomy: analysis of different patterns and long-term results of reoperation. Arch Surg. 2007 Nov;142(11):1093-7. — View Citation

Inoue H, Minami H, Kobayashi Y, Sato Y, Kaga M, Suzuki M, Satodate H, Odaka N, Itoh H, Kudo S. Peroral endoscopic myotomy (POEM) for esophageal achalasia. Endoscopy. 2010 Apr;42(4):265-71. doi: 10.1055/s-0029-1244080. Epub 2010 Mar 30. — View Citation

Iqbal A, Tierney B, Haider M, Salinas VK, Karu A, Turaga KK, Mittal SK, Filipi CJ. Laparoscopic re-operation for failed Heller myotomy. Dis Esophagus. 2006;19(3):193-9. — View Citation

Rakita S, Villadolid D, Kalipersad C, Thometz D, Rosemurgy A. Outcomes promote reoperative Heller myotomy for symptoms of achalasia. Surg Endosc. 2007 Oct;21(10):1709-14. Epub 2007 Apr 14. — View Citation

Ren Z, Zhong Y, Zhou P, Xu M, Cai M, Li L, Shi Q, Yao L. Perioperative management and treatment for complications during and after peroral endoscopic myotomy (POEM) for esophageal achalasia (EA) (data from 119 cases). Surg Endosc. 2012 Nov;26(11):3267-72. — View Citation

von Renteln D, Inoue H, Minami H, Werner YB, Pace A, Kersten JF, Much CC, Schachschal G, Mann O, Keller J, Fuchs KH, Rösch T. Peroral endoscopic myotomy for the treatment of achalasia: a prospective single center study. Am J Gastroenterol. 2012 Mar;107(3) — View Citation

Zaninotto G, Costantini M, Portale G, Battaglia G, Molena D, Carta A, Costantino M, Nicoletti L, Ancona E. Etiology, diagnosis, and treatment of failures after laparoscopic Heller myotomy for achalasia. Ann Surg. 2002 Feb;235(2):186-92. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Therapeutic success (a reduction in the Eckardt score to =3) Symptoms were assessed 1 month after treatment in the clinic and every 3 months thereafter via telephone questionnaires. Yes
Secondary Procedure-related adverse events All patients were scheduled for a follow-up visit at 1 month after POEM for EGD. Yes
Secondary Lower esophageal sphincter (LES) pressure on manometry All patients were scheduled for a follow-up visit at 1 month after POEM for EGD and manometry No
Secondary Reflux symptoms and medication use before and after POEM Symptoms were assessed 1 month after treatment in the clinic and every 3 months thereafter via telephone questionnaires. Yes
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