Study Stopped
The image-guidance system became commercially available
Clinical Application of Image-Guided Liver Surgery
1 other identifier
interventional
40
1 country
1
Brief Summary
Image-guided surgery is a new technology, which is used to create 3-D pictures that generate a map of the liver. This map will allow surgeons to know the exact anatomical location of their instruments, including instances when direct visualization is not possible. This study is designed to determine the safety and feasibility of using image-guided techniques for treatment of liver tumors. The overall goal of this study is to use image-guided surgery for the improvement of the surgeon's ability to remove liver tumors.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_2
Started Oct 2002
Longer than P75 for phase_2
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
October 24, 2002
CompletedFirst Submitted
Initial submission to the registry
April 7, 2009
CompletedFirst Posted
Study publicly available on registry
April 8, 2009
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 25, 2011
CompletedStudy Completion
Last participant's last visit for all outcomes
May 25, 2011
CompletedResults Posted
Study results publicly available
February 13, 2018
CompletedFebruary 13, 2018
January 1, 2018
8.6 years
April 7, 2009
October 7, 2015
January 16, 2018
Conditions
Keywords
Outcome Measures
Primary Outcomes (4)
Number of Participants Who Have a Successful Intraoperative Registrations (Phase 1 Portion of Study)
* 10 successful intraoperative registrations with no more than 30% failure rate over all the cases will be considered a successful endpoint * A successful registration is defined as one which yields an RMS surface residual of ≤ 10 mm and is determined to be success after qualitative evaluation.
Completion of surgery
Accuracy With Which Image-guided Surgery (IGS) Can be Used to Implant a Ceramic Bead Inside a Tumor as Measured by Successful Deliveries of the Bead to Within 8mm of the Pre-operatively Planned Target Point (Phase 2 Portion of Study)
* Calculation of bead delivery accuracy using the IGS system involves the acquisition of images of the resected specimen and then the co-registration of the post-resection images to the pre-operative image set. Given that the target location is marked in the pre-operative image set and the registration calculation allows an overlay of the two image sets a Euclidean distance error can be calculated between the true bead location and the pre-operatively determined target. Given that the error involved in computing the registration between the two image sets is included within the bead delivery target error calculation it is imperative that the impact of registration error is minimized. * Numbers represented are the distance between the planned target site and the true bead location
Completion of surgery
Target Accuracy of an Ablation Probe Using Image-guided Surgery Technology as Measured by the Number of Participants Who Had Ablation Burns Within a 5mm Radius of the Tumor Centroid (Phase 3 Portion of Study)
-A measurement of the ablation probe placement via the burn zone will be performed by pathology via specimen sectioning.
Completion of surgery
The Number of Participants Who Have Complete Ablation According to Early Post-ablative Imaging Studies as Well as no Recurrence of the Tumor Within 6 Months (Phase 4 Portion of the Study)
-A successful endpoint will be a 90% success rate of complete ablation according to early post-ablative imaging studies as well as no recurrence of the tumor within 6 months.
6 months post-ablation
Study Arms (4)
Phase 1:Localize Anatomical Points on Liver Surface
EXPERIMENTAL-The surgeon will use image-guided surgery equipment to create the mapping with 3-D pictures of the participants liver. Laser range scanning will also be used to take 3-D pictures of the liver surface. The participant will then have planned standard surgery.
Phase 2: Ceramic bead
EXPERIMENTAL-The surgeon will use image-guided surgery to create the mapping with 3-D pictures of the liver. During the surgery, a ceramic bead will be placed in a pre-operatively determined target location within the tumor using image-guided surgery. Standard surgical procedures will then be used to remove the tumors. Magnetic resonance (MR) images of the resected liver will confirm targeting accuracy.
Phase 3: Ablative therapy
EXPERIMENTAL-The surgeon will use image-guided surgery to create the mapping with 3-D pictures of the liver. The liver tumors will be ablated using image-guided surgery. Standard surgical procedures will then be used to remove the portion of the liver that has the ablated tumors. The accuracy of the ablation will be confirmed via pathology sectioning.
Phase 4: Ablative therapy (not liver resection candidates)
EXPERIMENTAL-This phase is for patients who otherwise do not qualify to have a portion of their liver to be surgically removed. The surgeon will use image-guidance to create the mapping with 3-D pictures of the liver. The tumors will be ablated using image-guided therapy.
Interventions
-Standard of care
-Standard of care
Eligibility Criteria
You may qualify if:
- Written informed consent must be obtained.
- Patient must be 18 years or older.
- Are male or non-pregnant, non-lactating females. Liver resection or ablation could be harmful to an unborn child therefore, is not recommended during pregnancy. After informed consent is obtained, women of childbearing potential will be required to have a blood or urine pregnancy test. All consented patients of childbearing potential will be advised to use adequate birth control (oral, implanted, or barrier methods) along with their sexual partners while being considered for liver tumor resection or ablation and at least up to a month following surgery.
- Patients enrolled in Phase I must be candidates for surgical liver resection per a treating surgeon's discretion. Patients enrolled in Phase 2-3 must be candidates for surgical liver resection of liver mass. Patients enrolled in Phase 4 must be candidates for surgical ablation, but not candidates for surgical resection.
- Patients are scheduled clinically for use of the Pathfinder Explorer Liver Image Guided System which is indicated for open liver surgical procedures where image-guidance may be appropriate and where the patient can tolerate long apneic periods under general anesthesia.
You may not qualify if:
- Any condition which, in the judgment of the investigator, might increase the risk to the subject or decrease the chance of obtaining satisfactory data to achieve the objectives of the study.
- Mental condition rendering the subject or his/her legal representative unable to understand informed consent to the nature, scope, and possible consequences of the study.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Washington University School of Medicine
St Louis, Missouri, 63110, United States
Related Publications (12)
Rosen CB. Management of Hepatic Metastases. Cancer Control. 1998 May;5(3 Suppl 1):30-31. doi: 10.1177/107327489800503S11. No abstract available.
PMID: 10762479BACKGROUNDSardi A, Akbarov A, Conaway G. Management of primary and metastatic tumors to the liver. Oncology (Williston Park). 1996 Jun;10(6):911-25; discussion 926, 929-30.
PMID: 8823803BACKGROUNDDick EA, Taylor-Robinson SD, Thomas HC, Gedroyc WM. Ablative therapy for liver tumours. Gut. 2002 May;50(5):733-9. doi: 10.1136/gut.50.5.733.
PMID: 11950826BACKGROUNDParikh AA, Curley SA, Fornage BD, Ellis LM. Radiofrequency ablation of hepatic metastases. Semin Oncol. 2002 Apr;29(2):168-82. doi: 10.1053/sonc.2002.31673.
PMID: 11951215BACKGROUNDArun KS, Huang TS, Blostein SD. Least-squares fitting of two 3-d point sets. IEEE Trans Pattern Anal Mach Intell. 1987 May;9(5):698-700. doi: 10.1109/tpami.1987.4767965.
PMID: 21869429BACKGROUNDHorn BKP.closed-form solution of absolute orientation using unit quaternions 4:629-642,1987
BACKGROUNDBesl PM,McKay ND.A method for registraion of 3-D shapes.IEEE Transaactions on Pattern Analysis and Machine Intelligence 14:239-256,1992
BACKGROUNDCash DM,Siha Tk,Chapman,WC.Fast, accurate surface acquistion using a laser range scanner for image-guided surgical system.SPIE Medical Imaging,2002
BACKGROUNDStefansic JD, Bass WA, Hartmann SL, Beasley RA, Sinha TK, Cash DM, Herline AJ, Galloway RL Jr. Design and implementation of a PC-based image-guided surgical system. Comput Methods Programs Biomed. 2002 Nov;69(3):211-24. doi: 10.1016/s0169-2607(01)00192-4.
PMID: 12204449BACKGROUNDHerline AJ, Stefansic JD, Debelak JP, Hartmann SL, Pinson CW, Galloway RL, Chapman WC. Image-guided surgery: preliminary feasibility studies of frameless stereotactic liver surgery. Arch Surg. 1999 Jun;134(6):644-9; discussion 649-50. doi: 10.1001/archsurg.134.6.644.
PMID: 10367875BACKGROUNDHerline AJ, Herring JL, Stefansic JD, Chapman WC, Galloway RL Jr, Dawant BM. Surface registration for use in interactive, image-guided liver surgery. Comput Aided Surg. 2000;5(1):11-7. doi: 10.1002/(SICI)1097-0150(2000)5:13.0.CO;2-G.
PMID: 10767091BACKGROUNDPan S,Dawant BM.Automatic 3-D segmentation of the liver from abdominal CT images: a level-set approach. Proceedings of SPIE 4322:128-138,2001.
BACKGROUND
Related Links
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- William C. Chapman, M.D.
- Organization
- Washington University School of Medicine
Study Officials
- PRINCIPAL INVESTIGATOR
William C Chapman, MD
Washington University School of Medicine
Publication Agreements
- PI is Sponsor Employee
- Yes
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 7, 2009
First Posted
April 8, 2009
Study Start
October 24, 2002
Primary Completion
May 25, 2011
Study Completion
May 25, 2011
Last Updated
February 13, 2018
Results First Posted
February 13, 2018
Record last verified: 2018-01
Data Sharing
- IPD Sharing
- Will not share