- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04278274
Post-Neoadjuvant Treatment MRI Based AI System to Predict pCR for Rectal Cancer (MR-AI-pCR)
A Post-Neoadjuvant Treatment MRI Based AI System to Predict Pathologic Complete Response for Patients With Rectal Cancer: A Multicenter, Prospective Clinical Study
In this study, investigators seek for a better way to identify the potential pathologic complete response (pCR) patients form non-pCR patients with locally advanced rectal cancer (LARC), based on their post-neoadjuvant treatment Magnetic Resonance Imaging (MRI) data.
Previously, a post neoadjuvant treatment MRI based radiomics AI model had been constructed and trained. Here, the predictive power of this artificial intelligence system and expert radiologist to identify pCR patients from non-pCR LARC patients will be compared in this prospective, multicenter, back-to-back clinical study
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Xinjuan Fan, MD, PhD
- Phone Number: 020-38254037
- Email: fanxjuan@mail.sysu.edu.cn
Study Locations
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Guangdong
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Guangzhou, Guangdong, China, 510655
- Recruiting
- The Sixth Affiliated Hospital of Sun Yat-sen University
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Yunnan
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Kunming, Yunnan, China, 650000
- Recruiting
- The Third Affiliated Hospital of Kunming Medical College
-
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Zhejiang
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Hangzhou, Zhejiang, China, 310000
- Recruiting
- Sir Run Run Shaw Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- pathologically diagnosed as rectal adenocarcinoma
- defined as clinical II-III staging (≥T3, and/or positive nodal status) without distant metastasis
- receive neoadjuvant chemoradiotherapy or chemotherapy
- pre- and post-neoadjuvant treatment MRI data obtained
- receive total mesorectum excision (TME) surgery after neoadjuvant therapy and get the pathologic assessment of tumor response
Exclusion Criteria:
- with history of other cancer
- insufficient imaging quality of MRI to delineate tumor volume or obtain measurements (e.g., lack of sequence, motion artifacts)
- not completing neoadjuvant chemotherapy or chemoradiotherapy
- tumor recurrence or distant metastasis during neoadjuvant treatment
- not undergoing surgery resulting in lack of pathologic assessment of tumor response
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
patients will be evaluated by artificial intelligence system and expert radiologist
the patients with locally advanced rectal cancer (LARC) finished the neoadjuvant treatment, and not yet receive total mesorectum excision (TME) surgery will be enrolled.
The post-neoadjuvant treatment MRI images features of each enrolled patients will be captured by the artificial intelligence system, and evaluated by experienced radiologists as well.
Blind to the pathologic report of TME specimen, both approaches further respectively yield a predicted pathologic response to neoadjuvant treatment for each enrolled patient, shown as pCR or non-pCR.
|
The tumor ROI in the post- neoadjuvant treatment MRI images will be manually delineated, and further subjected to the AI prediction system arm to verify the predictive accuracy of this AI prediction system in identifying the pCR individuals from non-pCR patients with LARC.
The enrolled patients will be assigned to the trained experienced radiologists to evaluate their predictive accuracy in identifying the pCR individuals from non-pCR patients
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The area under curve (AUC) of Receiver Operating Characteristic (ROC) curves of AI prediction system and expert radiologists in prediction tumor response
Time Frame: baseline
|
The area under curve (AUC) of Receiver Operating Characteristic (ROC) curves of AI prediction system and expert radiologists in identifying the pCR candidates from non-pCR individuals among neoadjuvant chemotherapy or chemoradiotherapy treated LARC patients will be calculated respectively.
|
baseline
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The specificity of AI prediction system and expert radiologists in prediction tumor response
Time Frame: baseline
|
The specificity of AI prediction system and expert radiologists in identifying the pCR candidates from non-pCR individuals among neoadjuvant chemotherapy or chemoradiotherapy treated LARC patients will be calculated respectively.
|
baseline
|
The sensitivity of AI prediction system and expert radiologists in prediction tumor response
Time Frame: baseline
|
The sensitivity of AI prediction system and expert radiologists in identifying the pCR candidates from non-pCR individuals among neoadjuvant chemotherapy or chemoradiotherapy treated LARC patients will be calculated respectively.
|
baseline
|
Collaborators and Investigators
Investigators
- Study Chair: Xiangbo Wan, MD, PhD, Sixth Affiliated Hospital, Sun Yat-sen University
- Principal Investigator: Weidong Han, MD, PhD, Sir Run Run Shaw Hospital
- Principal Investigator: Zhenhui Li, MD, The Third Affiliated Hospital of Kunming Medical College.
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ANTICIPATED)
Study Completion (ANTICIPATED)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- MR-AI-pCR 2020
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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