CryoSpray Ablation(TM)to Determine Safety and Feasibility in Radiation Induced Proctitis

NCT ID: NCT00756197

Last Updated: 2015-08-07

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

WITHDRAWN

Clinical Phase

PHASE4

Study Classification

INTERVENTIONAL

Study Start Date

2008-10-31

Study Completion Date

2009-09-30

Brief Summary

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The purpose of this study is to evaluate the safety, feasibility, tissue response, and subject side effects of liquid nitrogen sprayed through a catheter (CryoSpray AblationTM, "CSA" or "cryospray therapy") via endoscope in subjects with radiation induced proctitis.

Detailed Description

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The proposed study is a single center, ten patient pilot study to evaluate the safety and feasibility of sprayed liquid nitrogen through a catheter via endoscope in subjects with radiation proctitis. There will be two groups. Subjects in Group 1 will receive a cryospray applied to healthy tissue for 10 seconds. The cryospray will be repeated four (4) times in sequential fashion for a total of 40 seconds of cryospray therapy. Subjects in Group 2 will receive a cryospray applied to healthy tissue for 20 seconds. The cryospray will be repeated two (2) times in sequential fashion for a total of 40 seconds of cryospray therapy.

Conditions

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Radiation Proctitis Radiation Induced Proctitis

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Cryo Spray Ablation Group 1

4 cycles of 10 seconds each

Group Type EXPERIMENTAL

Cryo Spray Ablation Group 1

Intervention Type DEVICE

Cryo Spray Ablation

Cryo Spray Ablation Group 2

2 cycles of 20 seconds each

Group Type EXPERIMENTAL

Cryo Spray Ablation Group 2

Intervention Type DEVICE

cryo spray ablation

Interventions

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Cryo Spray Ablation Group 1

Cryo Spray Ablation

Intervention Type DEVICE

Cryo Spray Ablation Group 2

cryo spray ablation

Intervention Type DEVICE

Other Intervention Names

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CryoSpray Ablation Cryospray Cryotherapy Cryo Spray Ablation

Eligibility Criteria

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Inclusion Criteria

* Age 18 years of age
* Have radiation induced proctitis

Exclusion Criteria

* Pregnant or nursing
* Planning to become pregnant during the course of the study
* Planning to sire a child while enrolled in the study
* Known history of unresolved drug or alcohol dependency that would limit ability to comprehend or follow instructions related to informed consent, post-treatment instructions, or follow-up guidelines.

Subject has prior or concurrent ablation therapy including, but not limited to, photodynamic therapy, multipolar electro coagulation, argon plasma coagulation, laser treatment, radio frequency, etc

* Refusal or inability to give consent.
* Concurrent chemotherapy.
* Medical contraindication or potential problem that would preclude study participation
* Concurrent participation in other experimental studies
* Uncontrolled coagulopathy or bleeding diathesis
* Portal hypertension due to cirrhosis manifest by esophageal, gastric or rectal varices
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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CSA Medical, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Mary Lee Krinsky, D.O.

Role: PRINCIPAL_INVESTIGATOR

VA San Diego Medical Center

References

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Johnston MH, Eastone JA, Horwhat JD, Cartledge J, Mathews JS, Foggy JR. Cryoablation of Barrett's esophagus: a pilot study. Gastrointest Endosc. 2005 Dec;62(6):842-8. doi: 10.1016/j.gie.2005.05.008.

Reference Type BACKGROUND
PMID: 16301023 (View on PubMed)

Johnston CM, Schoenfeld LP, Mysore JV, Dubois A. Endoscopic spray cryotherapy: a new technique for mucosal ablation in the esophagus. Gastrointest Endosc. 1999 Jul;50(1):86-92. doi: 10.1016/s0016-5107(99)70352-4.

Reference Type BACKGROUND
PMID: 10385730 (View on PubMed)

Ell C, May A, Gossner L, Pech O, Gunter E, Mayer G, Henrich R, Vieth M, Muller H, Seitz G, Stolte M. Endoscopic mucosal resection of early cancer and high-grade dysplasia in Barrett's esophagus. Gastroenterology. 2000 Apr;118(4):670-7. doi: 10.1016/s0016-5085(00)70136-3.

Reference Type BACKGROUND
PMID: 10734018 (View on PubMed)

Champion G, Richter JE, Vaezi MF, Singh S, Alexander R. Duodenogastroesophageal reflux: relationship to pH and importance in Barrett's esophagus. Gastroenterology. 1994 Sep;107(3):747-54. doi: 10.1016/0016-5085(94)90123-6.

Reference Type BACKGROUND
PMID: 8076761 (View on PubMed)

Eisen GM, Sandler RS, Murray S, Gottfried M. The relationship between gastroesophageal reflux disease and its complications with Barrett's esophagus. Am J Gastroenterol. 1997 Jan;92(1):27-31.

Reference Type BACKGROUND
PMID: 8995932 (View on PubMed)

Johnston MH. Cryotherapy and other newer techniques. Gastrointest Endosc Clin N Am. 2003 Jul;13(3):491-504. doi: 10.1016/s1052-5157(03)00044-8.

Reference Type BACKGROUND
PMID: 14629105 (View on PubMed)

Cash BD, Johnston LR, Johnston MH. Cryospray ablation (CSA) in the palliative treatment of squamous cell carcinoma of the esophagus. World J Surg Oncol. 2007 Mar 16;5:34. doi: 10.1186/1477-7819-5-34.

Reference Type BACKGROUND
PMID: 17367523 (View on PubMed)

Pinsonneault C, Fortier J, Donati F. Tracheal resection and reconstruction. Can J Anaesth. 1999 May;46(5 Pt 1):439-55. doi: 10.1007/BF03012943.

Reference Type BACKGROUND
PMID: 10349923 (View on PubMed)

Dumot JA. Cryotherapy Ablation for Esophageal HGD or IMCA in High Risk, Non-Surgical Patients. DDW2007 Abstract submission. Cleveland Clinic Foundation (pending publication)

Reference Type BACKGROUND

Greenwald BD. CryoSpray Ablation of Early Esophageal Cancer. DDW 2007 Abstract submission. University of Maryland Medical Center. (pending publication)

Reference Type BACKGROUND

Johnston M, Horwhat J, Dubois A, Schoenfeld P. Endoscopic cryotherapy in the swine esophagus: A follow-up study (Abstract). Gastrointestinal Endoscopy 49:AB126, 1999.

Reference Type BACKGROUND

Johnston MH, Horwhat JD, Haluska, Moses FM. Depth of injury following endoscopic spray cryotherapy: EUS assisted evaluation of mucosal ablation and subsequent healing in the swine model (Abstract). Gastrointestinal Endoscopy 51: AB98, 3462, 2000.

Reference Type BACKGROUND

Johnston MH. Endoscopic cryotherapy: A new ice age in gastroenterology? Medscape Gastroenterology 2: 187, 2000.

Reference Type BACKGROUND

Eastone JA, Horwhat D, Haluska O, Mathews J, Johnston M. Cryoablation of swine esophageal mucosa: A direct comparison to argon plasma coagulation (APC) and multipolar electrocoagulation (MPEC) [Abstract] Gastrointestinal Endoscopy 53: A3448, 2001.

Reference Type BACKGROUND

Johnston MH, Eastone JA, Horwhat JD. Reversal of Barrett's esophagus with cryotherapy [Abstract]. American Journal of Gastroenterology 98(9 Suppl): A30, S11, 2003.

Reference Type BACKGROUND

Johnston MH, Cash BD, Horwhat JD, Johnston LR, Dykes CA, Mays HS. Cryoablation of Barrett's Esophagus (BE) [Abstract]. Gastroenterology 130 (4, Suppl.2): A640, 2006.

Reference Type BACKGROUND

Johnston MH, Cash BD, Dykes CA, Mays HS, Johnston LR. Cryoablation of dysplasia in Barrett's Esophagus (BE) and early stage esophageal cancer [Abstract]. Gastrointestinal Endoscopy 63 (5): April, 2006.

Reference Type BACKGROUND

Other Identifiers

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17-00016-00

Identifier Type: -

Identifier Source: org_study_id

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