- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01564368
DWI in Assessing Treatment Response in Patients With Breast Cancer Receiving Neoadjuvant Chemotherapy (ACRIN6698)
Diffusion Weighted MR Imaging Biomarkers for Assessment of Breast Cancer Response to Neoadjuvant Treatment: A Sub-study of the I-SPY 2 TRIAL (Investigation of Serial Studies to Predict Your Therapeutic Response With Imaging And MoLecular Analysis)
RATIONALE: Imaging procedures, such as diffusion-weighted magnetic resonance imaging (DWI) and dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI), may help in evaluating how well patients with breast cancer respond to treatment.
PURPOSE: This research trial studies DWI and DCE-MRI in assessing treatment response in patients with breast cancer undergoing neoadjuvant chemotherapy.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
OBJECTIVES:
Primary
- To determine if the change in tumor apparent diffusion coefficient (ADC) value measured from each treatment timepoint to baseline is predictive of pathologic complete response (pCR).
Secondary
- To determine if the combined measurement of change in tumor ADC value, change in tumor volume, and change in peak signal-enhancement ratio (SER) is predictive of pCR.
- To investigate the relative effectiveness of the individual measurements, change in tumor ADC value, change in tumor volume, and change in peak SER for predicting pCR in experimental treatment arms.
- To assess the test-retest reproducibility of ADC metrics applied to breast tumors.
OUTLINE: This is a multicenter study.
Patients undergo diffusion-weighted magnetic resonance imaging (DWI) at baseline, after week 3 of neoadjuvant paclitaxel regimen, and prior to and after completion of 4 courses of neoadjuvant chemotherapy. Patients then undergo surgery. Patients undergo DWI prior to contrast administration for dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI).
After completion of treatment procedure, patients are followed up for 5 years on the I-SPY 2 TRIAL.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Alabama
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Birmingham, Alabama, United States, 35294
- University of Alabama at Birmingham
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California
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San Francisco, California, United States, 94143
- University of California, San Francisco
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Minnesota
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Minneapolis, Minnesota, United States, 55455
- University of Minnesota
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Oregon
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Portland, Oregon, United States, 97239
- Oregon Health and Science University
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Pennsylvania
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Philadelphia, Pennsylvania, United States, 19104
- University of Pennsylvania
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Texas
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Houston, Texas, United States, 77030
- University of Texas M.D. Anderson Cancer Center
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Washington
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Seattle, Washington, United States, 98195
- University of Washington/SCCA
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
DISEASE CHARACTERISTICS:
Meets I-SPY 2 TRIAL inclusion criteria
- High-risk for recurrent disease
PATIENT CHARACTERISTICS:
- Able to tolerate imaging required by protocol
PRIOR CONCURRENT THERAPY:
- Not specified
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Diffusion Weighted-MRI
Participants on all arms of the I-SPY II trial will undergo diffusion-weighted magnetic resonance imaging as described in the ACRIN 6698 protocol.
The experimental component/intervention is whether DW-MRI can predict therapeutic response in neoadjuvant treatment for breast cancer.
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diffusion-weighted magnetic resonance imaging examination and subsequent radiologist interpretation
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Pathologic Complete Response (pCR)
Time Frame: Surgery
|
Pathologic complete response (pCR) is defined as the lack of all signs of cancer in tissue samples removed during surgery after Neoadjuvant treatment for Breast cancer. ie., no residual invasive disease in either breast or axillary lymph nodes after neoadjuvant therapy (ypT0/is, ypN0) Histopathologic analysis was performed using the Residual Cancer Burden system |
Surgery
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Functional Tumor Volume (FTV) as a Predictor of Pathologic Complete Response (pCR)
Time Frame: Surgery
|
Pathologic complete response (pCR) is defined as the lack of all signs of cancer in tissue samples removed during surgery after Neoadjuvant treatment for Breast cancer. ie., no residual invasive disease in either breast or axillary lymph nodes after neoadjuvant therapy (ypT0/is, ypN0) Histopathologic analysis was performed using the Residual Cancer Burden system Functional tumor volume (FTV) (units cm3) was computed by summing all tumor voxels meeting specific enhancement criteria, with customized thresholds for each site to account for variability in MR imaging systems |
Surgery
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Determine the Accuracy of Predictive Models Including Covariates for Combined Measurement of Change in Tumor ADC Value, Change in Tumor Volume, and Other Variables
Time Frame: baseline and mid-treatment
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Accuracy will be measured as the Area under the Receiver Operating Characteristic Curve (AUC) Predictive logistic regression modeling was performed in 207 patients with complete mid-treatment ΔADC and ΔFTV data. To build prediction models with ADC and other variables, a data-splitting approach was used where a randomly selected 60% of participants (124 patients), stratified according to pCR status and tumor subtype, were selected as the training data set and the rest (86 patients) as the test set. Logistic regression with backward variable selection was used to construct the prediction models, which were then applied to the remaining 40% of the data to obtain predictive scores for each participant. |
baseline and mid-treatment
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Repeatability Coefficient (RC)Test-retest Metric for Reproducibility of ADC as Applied to Breast Tumors
Time Frame: baseline (pre-treatment) or after 3 weeks of taxane-based treatment (early-treatment)
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within-subject standard deviation (wSD) Repeatability coefficient (RC): [RC = 2.77*wSD] (units: 10E-3 mm/sec^2) Smaller values of RC, bounded [0, ...), represent agreement |
baseline (pre-treatment) or after 3 weeks of taxane-based treatment (early-treatment)
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Within-subject Coefficient of Variation (wCV) Test-retest Metric for Reproducibility of ADC as Applied to Breast Tumors
Time Frame: baseline (pre-treatment) or after 3 weeks of taxane-based treatment (early-treatment)
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within-subject standard deviation (wSD) Within-subject coefficient of variation (wCV): [wCV = 100%*wSD/mean] Smaller values of wCV bounded for [0,...) represent better agreement |
baseline (pre-treatment) or after 3 weeks of taxane-based treatment (early-treatment)
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ICC Test-retest Metric for Reproducibility of ADC as Applied to Breast Tumors
Time Frame: baseline (pre-treatment) or after 3 weeks of taxane-based treatment (early-treatment)
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Test and retest DWI measurements for a given patient were performed on the same day in a single imaging session. Intraclass correlation coefficient (ICC) is derived from the analysis of variance (ANOVA) model estimates (Barnhart,Haber, Lin 2007), Larger values of ICC (bounded [-1,1]) represent agreement |
baseline (pre-treatment) or after 3 weeks of taxane-based treatment (early-treatment)
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Agreement Index (AI) Test-retest Metric for Reproducibility of ADC as Applied to Breast Tumors
Time Frame: baseline (pre-treatment) or after 3 weeks of taxane-based treatment (early-treatment)
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Test and retest DWI measurements for a given patient were performed on the same day in a single imaging session. Agreement index (AI): (Zhang, Wang, Duan - 2014) is based on the data's overall ranking. AI confidence intervals were obtained via bootstrap method Larger values AI (bounded [0.5,1]) represent agreement |
baseline (pre-treatment) or after 3 weeks of taxane-based treatment (early-treatment)
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Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Nola M. Hylton, PhD, University of California, San Francisco
Publications and helpful links
General Publications
- DeLong ER, DeLong DM, Clarke-Pearson DL. Comparing the areas under two or more correlated receiver operating characteristic curves: a nonparametric approach. Biometrics. 1988 Sep;44(3):837-45.
- Li W, Partridge SC, Newitt DC, Steingrimsson J, Marques HS, Bolan PJ, Hirano M, Bearce BA, Kalpathy-Cramer J, Boss MA, Teng X, Zhang J, Cai J, Kontos D, Cohen EA, Mankowski WC, Liu M, Ha R, Pellicer-Valero OJ, Maier-Hein K, Rabinovici-Cohen S, Tlusty T, Ozery-Flato M, Parekh VS, Jacobs MA, Yan R, Sung K, Kazerouni AS, DiCarlo JC, Yankeelov TE, Chenevert TL, Hylton NM. Breast Multiparametric MRI for Prediction of Neoadjuvant Chemotherapy Response in Breast Cancer: The BMMR2 Challenge. Radiol Imaging Cancer. 2024 Jan;6(1):e230033. doi: 10.1148/rycan.230033.
- Partridge SC, Zhang Z, Newitt DC, Gibbs JE, Chenevert TL, Rosen MA, Bolan PJ, Marques HS, Romanoff J, Cimino L, Joe BN, Umphrey HR, Ojeda-Fournier H, Dogan B, Oh K, Abe H, Drukteinis JS, Esserman LJ, Hylton NM; ACRIN 6698 Trial Team and I-SPY 2 Trial Investigators. Diffusion-weighted MRI Findings Predict Pathologic Response in Neoadjuvant Treatment of Breast Cancer: The ACRIN 6698 Multicenter Trial. Radiology. 2018 Dec;289(3):618-627. doi: 10.1148/radiol.2018180273. Epub 2018 Sep 4.
- Newitt DC, Amouzandeh G, Partridge SC, Marques HS, Herman BA, Ross BD, Hylton NM, Chenevert TL, Malyarenko DI. Repeatability and Reproducibility of ADC Histogram Metrics from the ACRIN 6698 Breast Cancer Therapy Response Trial. Tomography. 2020 Jun;6(2):177-185. doi: 10.18383/j.tom.2020.00008.
- Newitt DC, Zhang Z, Gibbs JE, Partridge SC, Chenevert TL, Rosen MA, Bolan PJ, Marques HS, Aliu S, Li W, Cimino L, Joe BN, Umphrey H, Ojeda-Fournier H, Dogan B, Oh K, Abe H, Drukteinis J, Esserman LJ, Hylton NM; ACRIN Trial Team and I-SPY 2 TRIAL Investigators. Test-retest repeatability and reproducibility of ADC measures by breast DWI: Results from the ACRIN 6698 trial. J Magn Reson Imaging. 2019 Jun;49(6):1617-1628. doi: 10.1002/jmri.26539. Epub 2018 Oct 22.
- Partridge SC, Steingrimsson J, Newitt DC, Gibbs JE, Marques HS, Bolan PJ, Boss MA, Chenevert TL, Rosen MA, Hylton NM. Impact of Alternate b-Value Combinations and Metrics on the Predictive Performance and Repeatability of Diffusion-Weighted MRI in Breast Cancer Treatment: Results from the ECOG-ACRIN A6698 Trial. Tomography. 2022 Mar 4;8(2):701-717. doi: 10.3390/tomography8020058.
- Newitt DC, Tan ET, Wilmes LJ, Chenevert TL, Kornak J, Marinelli L, Hylton N. Gradient nonlinearity correction to improve apparent diffusion coefficient accuracy and standardization in the american college of radiology imaging network 6698 breast cancer trial. J Magn Reson Imaging. 2015 Oct;42(4):908-19. doi: 10.1002/jmri.24883. Epub 2015 Mar 11.
Helpful Links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimated)
Study Record Updates
Last Update Posted (Estimated)
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
- CDR0000729174
- U01CA080098 (U.S. NIH Grant/Contract)
- U01CA079778 (U.S. NIH Grant/Contract)
- ACRIN-6698 (Other Identifier: NCI CIP)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Time Frame
IPD Sharing Access Criteria
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- SAP
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