News
Media
Conferences
Publications
Events
CME/CE
Resources
Career Center
Subscribe

Your AI-Trained Oncology Knowledge Connection!

Opinion|Videos|February 15, 2024

Testing for MRD With ctDNA in Colorectal Cancer (CRC)

Author(s)John Strickler, MD, Aparna Raj Parikh, MD, MS , Stacey A. Cohen, MD

A panel of medical oncologists introduce themselves and provide an overview of circulating tumor DNA (ctDNA) and how it relates to MRD (minimal residual disease) testing in colorectal cancer (CRC).

Episodes in this series

A panel of 5 experts on colorectal cancer

EP. 1 Testing for MRD With ctDNA in Colorectal Cancer (CRC)

Arvind N. Dasari, MD, MS, an expert on colorectal cancer

EP. 2 Platforms for Testing MRD in CRC

A panel of 5 experts on colorectal cancer

EP. 3 MRD Testing Practices in Colorectal Cancer

Michael Foote, MD, an expert on colorectal cancer

EP. 4 Patient Profile 1: A 50-Year-Old With Stage III Colorectal Cancer

A panel of 5 experts on colorectal cancer

EP. 5 Prospective Trial Data on MRD Testing in Early-Stage CRC

A panel of 5 experts on colorectal cancer

EP. 6 COSMOS-CRC-03: ctDNA and Recurrence in Colorectal Cancer

Stacey Cohen, MD, an expert on colorectal cancer

EP. 7 Patient Profile 2: A 39-Year-Old Woman with High-Risk Stage II CRC

Aparna Parikh, MD, an expert on colorectal cancer

EP. 8 DYNAMIC Trial: ctDNA Analysis Guiding Adjuvant Therapy in Early-Stage CRC

A panel of 5 experts on colorectal cancer

EP. 9 Colorectal Cancer: Key Updates from GALAXY At ASCO GI 2024

Arvind N. Dasari, MD, MS, an expert on colorectal cancer

EP. 10 Rationale and Study Design of CIRCULATE-NORTH AMERICA in CRC

Stacey Cohen, MD, an expert on colorectal cancer

EP. 11 Initial Results from Phase 2 COBRA Study in Colorectal Cancer

Arvind N. Dasari, MD, MS, an expert on colorectal cancer

EP. 12 Patient Profile 3: A 62-Year-Old Woman with Colon Cancer

A panel of 5 experts on colorectal cancer

EP. 13 The Study Design and Early Findings from the INTERCEPT Study in CRC

A panel of 5 experts on colorectal cancer

EP. 14 BESPOKE CRC: The Impact of ctDNA-Guided Therapy in CRC

A panel of 5 experts on colorectal cancer

EP. 15 Future Perspectives on MRD Testing in Colorectal Cancer

Newsletter

Stay up to date on recent advances in the multidisciplinary approach to cancer.

Related Content

Marc Lehrer Greenwald, MD, spoke with CancerNetwork® about how North Shore University Hospital treats young patients with colorectal cancer.

Treating Young Patients With Colorectal Cancer: Talking With a Surgeon

March 9th 2026

Marc Lehrer Greenwald, MD, discussed a recent patient case he had with a 22-year-old woman who was diagnosed with colorectal cancer. Marc Lehrer Greenwald, MD, discussed a recent patient case he had with a 22-year-old woman who was diagnosed with colorectal cancer.

A 22-Year-Old Patient With Colorectal Cancer: The Nuances of Care

ByMarc Lehrer Greenwald, MD

March 7th 2026

The rising incidence of colorectal cancer among younger populations may be due to environmental factors, according to Marc Greenwald, MD.

Why Is the Incidence of Colorectal Cancer Rising in Young Patients?

ByMarc Lehrer Greenwald, MD

March 6th 2026

According to Marwan G. Fakih, MD, neutropenia may be a biomarker of benefit for patients with metastatic colorectal cancer receiving trifluridine/tipiracil and bevacizumab.

Trifluridine/Tipiracil-Associated Neutropenia Associated With Improved Outcomes in mCRC

ByMarwan G. Fakih, MD

March 5th 2026

Patients with metastatic colorectal cancer who desire better disease control are best served with trifluridine/tipiracil plus bevacizumab, according to Marwan G. Fakih, MD.

What Should Patients With mCRC Consider When Deciding Treatment Options?

ByMarwan G. Fakih, MD

March 4th 2026

Latest CME

Spotting the Signal: Recognizing and Treating Paraneoplastic LEMS in Small Cell Lung Cancer

Spotting the Signal: Recognizing and Treating Paraneoplastic LEMS in Small Cell Lung Cancer

Charles Rudin, MD, PhD; Ruham Nasany, MD; Zofia Piotrowska, MD, MHS

Community Oncology Connections™: Beyond Primary End Points – Digging Into Randomized and Real-World Data to Guide Challenging Treatment Decisions in HR+/HER2− Metastatic Breast Cancer | Iowa Oncology Society

Community Oncology Connections™: Beyond Primary End Points – Digging Into Randomized and Real-World Data to Guide Challenging Treatment Decisions in HR+/HER2− Metastatic Breast Cancer | Iowa Oncology Society

Marla D. Lipsyc-Sharf, MD; Sheila Donnelly, MD

Show Me the Data™: Post-TKI Sequencing in EGFR-Mutated NSCLC—Optimizing Current Strategies and Preparing for New Treatment Modalities

Show Me the Data™: Post-TKI Sequencing in EGFR-Mutated NSCLC—Optimizing Current Strategies and Preparing for New Treatment Modalities

Christine M. Lovly, MD, PhD, FASCO; Xiuning Le, MD, PhD; Hossein Borghaei, DO, MS; Lyudmila Bazhenova, MD

(CME Track) Live Tumor Board: Squamous Cell Carcinoma of the Head & Neck - Post-CRT Decisions in the Locally Advanced Setting

(CME Track) Live Tumor Board: Squamous Cell Carcinoma of the Head & Neck - Post-CRT Decisions in the Locally Advanced Setting

Quynh-Thu Le, MD, FACR, FASTRO; Vlad C. Sandulache, MD, PhD

Community Oncology Connections™: Beyond Primary End Points – Digging Into Randomized and Real-World Data to Guide Challenging Treatment Decisions in HR+/HER2− Metastatic Breast Cancer | Texas Society of Clinical Oncology

Community Oncology Connections™: Beyond Primary End Points – Digging Into Randomized and Real-World Data to Guide Challenging Treatment Decisions in HR+/HER2− Metastatic Breast Cancer | Texas Society of Clinical Oncology

Marla D. Lipsyc-Sharf, MD; Parth Khade, MD

22nd Annual International Symposium on Melanoma and Other Cutaneous Malignancies®

22nd Annual International Symposium on Melanoma and Other Cutaneous Malignancies®

Omid Hamid, MD; Sapna Patel, MD

Community Oncology Connections™: Beyond Primary End Points – Digging Into Randomized and Real-World Data to Guide Challenging Treatment Decisions in HR+/HER2− Metastatic Breast Cancer | North Carolina Oncology Association

Community Oncology Connections™: Beyond Primary End Points – Digging Into Randomized and Real-World Data to Guide Challenging Treatment Decisions in HR+/HER2− Metastatic Breast Cancer | North Carolina Oncology Association

Marla D. Lipsyc-Sharf, MD; Yan Ji, MD

Medical Crossfire®: Harnessing the Power of Modern Therapies in Newly Diagnosed Multiple Myeloma

Medical Crossfire®: Harnessing the Power of Modern Therapies in Newly Diagnosed Multiple Myeloma

C. Ola Landgren, MD, PhD; Mohamad Mohty, MD, PhD; Surbhi Sidana, MD

GI Tumor Board—Applying Recent Advances in Biomarker Testing and Treatment in Metastatic Colorectal Cancer

GI Tumor Board—Applying Recent Advances in Biomarker Testing and Treatment in Metastatic Colorectal Cancer

John H. Strickler, MD; Stacey A. Cohen, MD; Aparna Parikh, MD; Kanwal P.S. Raghav, MBBS, MD

Medical Crossfire®: Expert Perspectives on Targeting c-Met Overexpression and 𝘔𝘌𝘛 Genomic Alterations in NSCLC – Unveiling the Complexities of 𝘔𝘌𝘛 Dysregulation

Medical Crossfire®: Expert Perspectives on Targeting c-Met Overexpression and 𝘔𝘌𝘛 Genomic Alterations in NSCLC – Unveiling the Complexities of 𝘔𝘌𝘛 Dysregulation

Rebecca Heist, MD, MPH; Alex A. Adjei, MD, PhD, FACP; Sandip Patel, MD, FASCO; Jeremy Segal, MD, PhD

Evaluating the Latest Data and Ongoing Trials for Novel ADC Approaches in TNBC

Evaluating the Latest Data and Ongoing Trials for Novel ADC Approaches in TNBC

Aditya Bardia, MD, MPH, FASCO; Erika P. Hamilton, MD

Establishing the Rationale for ADC and ICI Combinations in TNBC

Establishing the Rationale for ADC and ICI Combinations in TNBC

Virginia Kaklamani, MD, DSc; Tiffany A. Traina, MD, FASCO

Expert Guidance on Frequently Asked Questions Regarding the Use of ADCs in TNBC

Expert Guidance on Frequently Asked Questions Regarding the Use of ADCs in TNBC

Aditya Bardia, MD, MPH, FASCO; Erika P. Hamilton, MD; Virginia Kaklamani, MD, DSc

Breaking Down the Rationale for Targeting TROP2 in TNBC

Breaking Down the Rationale for Targeting TROP2 in TNBC

Filipa Lynce, MD; Rita Nanda, MD

Dissecting Clinical Trial and Real-World Data for ADCs in TNBC

Dissecting Clinical Trial and Real-World Data for ADCs in TNBC

Filipa Lynce, MD; Rita Nanda, MD

Breaking Down the Latest Clinical Data for First-line Maintenance and R/R SCLC

Breaking Down the Latest Clinical Data for First-line Maintenance and R/R SCLC

Rahul Gosain, MD, MBA; Rohit Gosain, MD; Hossein Borghaei, DO, MS

Optimizing Treatment for Biliary Tract Cancers

Optimizing Treatment for Biliary Tract Cancers

Ghassan Abou-Alfa, MD, MBA; Laura Williams Goff, MD, MSCI, MMHC, FASCO; Arndt Vogel, MD, PhD

Cross-Disease Integration of Immunotherapy Innovations

Cross-Disease Integration of Immunotherapy Innovations

Ghassan Abou-Alfa, MD, MBA; Laura Williams Goff, MD, MSCI, MMHC, FASCO; Arndt Vogel, MD, PhD

Broadening the Frontline—Studies Informing the Use of Immunotherapy in Hepatocellular Carcinoma

Broadening the Frontline—Studies Informing the Use of Immunotherapy in Hepatocellular Carcinoma

Ghassan Abou-Alfa, MD, MBA; Laura Williams Goff, MD, MSCI, MMHC, FASCO; Arndt Vogel, MD, PhD

PER Resource Center: Integrating Novel Approaches in TNBC – New Avenues for TROP2-Targeting ADCs and Beyond – Nursing

PER Resource Center: Integrating Novel Approaches in TNBC – New Avenues for TROP2-Targeting ADCs and Beyond – Nursing

Aditya Bardia, MD, MPH, FASCO; Erika P. Hamilton, MD; Virginia Kaklamani, MD, DSc; Filipa Lynce, MD; Rita Nanda, MD; Tiffany A. Traina, MD, FASCO

Show Me the Data®: New and Emerging Roles for Oral SERD Therapy in the Treatment of ER+/HER2– Breast Cancer

Show Me the Data®: New and Emerging Roles for Oral SERD Therapy in the Treatment of ER+/HER2– Breast Cancer

Ana C. Garrido-Castro, MD; Pedram Razavi, MD, PhD

Expert Roundtable and Panel Discussions: Current and Future Landscape of TNBC

Expert Roundtable and Panel Discussions: Current and Future Landscape of TNBC

Aditya Bardia, MD, MPH, FASCO; Erika P. Hamilton, MD; Tiffany A. Traina, MD, FASCO

Practical Considerations and Future Directions for New Treatment Strategies in SCLC

Practical Considerations and Future Directions for New Treatment Strategies in SCLC

Rahul Gosain, MD, MBA; Rohit Gosain, MD; Misty D. Shields, MD, PhD

Ready for Radioligand Therapy? Patient Selection and Sequencing Simplified

Ready for Radioligand Therapy? Patient Selection and Sequencing Simplified

Jeremie Calais, MD, PhD; Tanya B. Dorff, MD; Scott T. Tagawa, MD, MS, FACP, FASCO

Working Together: Overcoming Barriers to Optimize Outcomes in Patients Treated With Radioligand Therapy Through Multidisciplinary Care

Working Together: Overcoming Barriers to Optimize Outcomes in Patients Treated With Radioligand Therapy Through Multidisciplinary Care

Jeremie Calais, MD, PhD; Tanya B. Dorff, MD; Nerina McDonald, MSPAS, PA-C; Scott T. Tagawa, MD, MS, FACP, FASCO

BURST CME™ Resource Center: Integrating Novel PSMA-Directed Radioligand Approaches for Diagnosis and Management of Prostate Cancer

BURST CME™ Resource Center: Integrating Novel PSMA-Directed Radioligand Approaches for Diagnosis and Management of Prostate Cancer

Jeremie Calais, MD, PhD; Tanya B. Dorff, MD; Nerina McDonald, MSPAS, PA-C; Scott T. Tagawa, MD, MS, FACP, FASCO

Medical Crossfire®: Expert Interpretations of the Latest Data in CLL Management – Understanding the Impact of Optimal Treatment Selection on Patient Outcomes

Medical Crossfire®: Expert Interpretations of the Latest Data in CLL Management – Understanding the Impact of Optimal Treatment Selection on Patient Outcomes

Jennifer R. Brown, MD, PhD; Alexey V. Danilov, MD, PhD; Matthew S. Davids, MD, MMSc

Virtual Testing Board: Digging Deeper on Your Testing Reports to Elevate Patient Outcomes in Advanced Non–Small Cell Lung Cancer

Virtual Testing Board: Digging Deeper on Your Testing Reports to Elevate Patient Outcomes in Advanced Non–Small Cell Lung Cancer

Stephen V. Liu, MD; Michelle Afkhami, MD; Ignacio I. Wistuba, MD; Helena Yu, MD

Medical Crossfire® – From Diagnostic Dilemmas to Potential Treatment Breakthroughs: Exploring Novel Targets for Extrapulmonary Neuroendocrine Carcinomas

In-Person + Virtual Event

Medical Crossfire® – From Diagnostic Dilemmas to Potential Treatment Breakthroughs: Exploring Novel Targets for Extrapulmonary Neuroendocrine Carcinomas

March 24, 2026

Community Oncology Connections™: Beyond Primary End Points – Digging Into Randomized and Real-World Data to Guide Challenging Treatment Decisions in HR+/HER2− Metastatic Breast Cancer | Rocky Mountain Oncology Society

Community Oncology Connections™: Beyond Primary End Points – Digging Into Randomized and Real-World Data to Guide Challenging Treatment Decisions in HR+/HER2− Metastatic Breast Cancer | Rocky Mountain Oncology Society

Seth A. Wander, MD, PhD; Kara M. Schenk, MD

Oncology Town Hall - Translating the Latest Updates Into the Care of Patients With AML in Community Practices

Oncology Town Hall - Translating the Latest Updates Into the Care of Patients With AML in Community Practices

April 9, 2026

11th Annual School of Gastrointestinal Oncology® (SOGO®)

In-Person Event

11th Annual School of Gastrointestinal Oncology® (SOGO®)

April 11, 2026

Addressing Unmet Needs in HER2+ Metastatic BTC

Addressing Unmet Needs in HER2+ Metastatic BTC

Rahul Gosain, MD, MBA; Rohit Gosain, MD; Ghassan Abou-Alfa, MD, MBA

Community Practice Connections™: Tailored Treatment Approaches for Older Patients With Advanced HR+/HER2– Breast Cancer

Community Practice Connections™: Tailored Treatment Approaches for Older Patients With Advanced HR+/HER2– Breast Cancer

Hope S. Rugo, MD, FASCO; Neil M. Iyengar, MD; Komal Jhaveri, MD, FACP

Community Practice Connections™: Optimizing Treatment Outcomes and Preserving Fertility in Premenopausal HR+ Breast Cancer

Community Practice Connections™: Optimizing Treatment Outcomes and Preserving Fertility in Premenopausal HR+ Breast Cancer

Rebecca Shatsky, MD; Kelly McCann, MD, PhD; Michelle L. Taylor, ANP-BC

From Bench to Bedside: Paradigm Shifts in HER2+ Metastatic BTC Treatment

From Bench to Bedside: Paradigm Shifts in HER2+ Metastatic BTC Treatment

Rahul Gosain, MD, MBA; Rohit Gosain, MD; Shubham Pant, MD, MBBS

Proactive Adverse Event Management for HER2+ BTC Treatments

Proactive Adverse Event Management for HER2+ BTC Treatments

Rahul Gosain, MD, MBA; Rohit Gosain, MD; Rachna T. Shroff, MD, MS, FASCO

Community Practice Connections™: Empowering Interventional Radiologists in the Emerging Era of Oncolytic Immunotherapies for Melanoma

Community Practice Connections™: Empowering Interventional Radiologists in the Emerging Era of Oncolytic Immunotherapies for Melanoma

Yana G. Najjar, MD; Douglas B. Johnson, MD, MSCI; Rahul A. Sheth, MD, FSIR

A Case-Guided Discussion on Managing Immune Thrombocytopenic Purpura (ITP)

A Case-Guided Discussion on Managing Immune Thrombocytopenic Purpura (ITP)

Cindy Neunert, MD, MSCS; Hanny Al-Samkari, MD; Joseph Shatzel, MD, MCR

Evolving Treatment Strategies in Pancreatic Cancer: Current Standards, Emerging Targets, and the Role of Molecular Testing

Evolving Treatment Strategies in Pancreatic Cancer: Current Standards, Emerging Targets, and the Role of Molecular Testing

Eileen M. O’Reilly, MD; E. Gabriela Chiorean, MD, FASCO; Michael J. Pishvaian, MD, PhD; Brian Wolpin, MD, MPH

Cases & Conversations™: Transforming AML Care—Precision Strategies, Evolving Therapies, and Clinical Insights

Cases & Conversations™: Transforming AML Care—Precision Strategies, Evolving Therapies, and Clinical Insights

Gail J. Roboz, MD; Hagop Kantarjian, MD; Catherine Lai, MD, MPH; Amer Zeidan, MBBS, MHS

Medical Crossfire®: Integrating Next-Generation Endocrine Targeting Therapies to Improve Outcomes for Patients With HR+/HER2- Breast Cancer

Medical Crossfire®: Integrating Next-Generation Endocrine Targeting Therapies to Improve Outcomes for Patients With HR+/HER2- Breast Cancer

William J. Gradishar, MD, FASCO, FACP; Laura Huppert, MD; Yuan Yuan, MD, PhD

Tumor Board: Expert Insights on Managing Classical 𝘌𝘎𝘍𝘙 Mutations, 𝘌𝘎𝘍𝘙 Exon 20 Insertions, and Atypical 𝘌𝘎𝘍𝘙 Mutations in Metastatic NSCLC

Tumor Board: Expert Insights on Managing Classical 𝘌𝘎𝘍𝘙 Mutations, 𝘌𝘎𝘍𝘙 Exon 20 Insertions, and Atypical 𝘌𝘎𝘍𝘙 Mutations in Metastatic NSCLC

Balazs Halmos, MD, MS; Enriqueta Felip, MD, PhD; Julia Rotow, MD

Medical Crossfire®: Improving Patient Outcomes in Myeloproliferative Neoplasms With Novel Therapeutic Approaches

Medical Crossfire®: Improving Patient Outcomes in Myeloproliferative Neoplasms With Novel Therapeutic Approaches

Rami Komrokji, MD; Gabriela Hobbs, MD; John Mascarenhas, MD; Naveen Pemmaraju, MD

Medical Crossfire®: Precision Medicine in Glioma Treatment — Integration of Molecular Profiling to Inform Targeted Therapies

Medical Crossfire®: Precision Medicine in Glioma Treatment — Integration of Molecular Profiling to Inform Targeted Therapies

Vinay K. Puduvalli, MD; Manmeet Ahluwalia, MD, MBA; Stephen J. Bagley, MD, MSCE; Angela Waanders, MD, MPH, MS

PER Tumor Board®: Applying Recent Advances to Transform the Treatment Paradigm in SCLC—Expert Perspectives on New Approvals and Emerging Strategies

PER Tumor Board®: Applying Recent Advances to Transform the Treatment Paradigm in SCLC—Expert Perspectives on New Approvals and Emerging Strategies

Jonathan W. Goldman, MD; Percy Lee, MD, FASTRO; Erminia Massarelli, MD, PhD, MS; Misty D. Shields, MD, PhD

Breast Cancer Tumor Board: Targeting TROP2 – Innovations in Triple-Negative Breast Cancer Treatment

Breast Cancer Tumor Board: Targeting TROP2 – Innovations in Triple-Negative Breast Cancer Treatment

Joyce O’Shaughnessy, MD; Matthew P. Goetz, MD; Hope S. Rugo, MD, FASCO

Navigating Treatment Gaps in SCLC: Relapse, Resistance, and Need for New Options

Navigating Treatment Gaps in SCLC: Relapse, Resistance, and Need for New Options

Rahul Gosain, MD, MBA; Rohit Gosain, MD; Giannis Mountzios ΜD, PhD

Medical Crossfire® in Adjunctive Testing: Charting a New Course in Prostate Cancer Risk Assessment

Medical Crossfire® in Adjunctive Testing: Charting a New Course in Prostate Cancer Risk Assessment

Jason Hafron, MD; Aaron D. Berger, MD; Arpeet Shah, MD

Imaging Matters: Decoding PSMA PET for Better Decision-Making

Imaging Matters: Decoding PSMA PET for Better Decision-Making

Jeremie Calais, MD, PhD; Tanya B. Dorff, MD; Scott T. Tagawa, MD, MS, FACP, FASCO

Radioligand Therapy 101: The Science Behind the Strategy

Radioligand Therapy 101: The Science Behind the Strategy

Jeremie Calais, MD, PhD; Tanya B. Dorff, MD; Scott T. Tagawa, MD, MS, FACP, FASCO

$Cases and Conversations™: Sorting Through the Expanding Treatment Options for Patients with Relapsed/Refractory Multiple Myeloma$

Cases and Conversations™: Sorting Through the Expanding Treatment Options for Patients with Relapsed/Refractory Multiple Myeloma

C. Ola Landgren, MD, PhD; Mohamad Mohty, MD, PhD; Surbhi Sidana, MD

Trending on CancerNetwork

From Blunt Instruments to Molecular Precision: 40 Years of Oncology Evolution

Enolen Displays 84% Reduction in Tumor Volume of Localized Prostate Cancer

Investigators to Discontinue Trial of Eftilagimod Alfa in Frontline NSCLC

Could Targeting Supra-Carcinoids be the Future of Lung NET Research?

FDA Type B Meeting Appears Successful for Givastomig in Gastric Cancers