Colorectal Cancer

Circulating tumor DNA status at the time of postoperative minimal residual disease assessment was found to be a prognostic factor for disease-free survival in patients with radically resected stage II to IV colorectal cancer.

Michael Cecchini, MD, expands on key updates in gastrointestinal cancer from the 2023 ASCO Annual Meeting, including the clinical significance of findings from the PROSPECT and phase 3 PRODIGE 23 trials of perioperative chemotherapy vs selective standard chemoradiation.

HER2 amplification appears to be prognostic in patients with RAS wild-type metastatic colorectal cancer but may not be predictive of survival benefit as a first-line treatment option in combination with panitumumab vs standard-of-care bevacizumab.

Oncologists globally explore trends, challenges in diagnosis, and future directions in patients with colorectal cancer.

Patients with mismatch repair–deficient and/or microsatellite instability metastatic colorectal cancer experienced a progression-free survival benefit with longer disease control following treatment with avelumab compared with standard second-line chemotherapy.

The FDA has granted a breakthrough device designation to HLA-LOH as a companion diagnostic test, according to an announcement from Tempus.

The first patients have been dosed in the phase 2 portion of a phase 1/2 trial evaluating BDC-1001 monotherapy in patients with HER2-positive colorectal cancer, endometrial cancer, and gastroesophageal cancer.

John L. Hays, MD, PhD, discusses unmet needs for patients with colorectal cancer and future directions for research in this disease.

Amanda Bloomer, PhD, discusses the rationale for launching the ColoCare study, an investigation into the health-related quality of life outcomes of younger vs older adult patients with newly diagnosed colorectal cancer.

Delays in time to treatment initiation may be associated with demographic and socioeconomic disparities, with care coordination, clinical, and socioeconomic factors representing potential predictors of TTI, according to findings from a retrospective cohort study published in JCO Oncology Practice.

The FDA has approved trifluridine and tipiracil (Lonsurf) plus bevacizumab (Avastin) for patients with metastatic colorectal cancer who were previously treated with fluoropyrimidine-, oxaliplatin-, and irinotecan-based chemotherapy; a VEGF inhibitor; and an EGFR inhibitor, if they have RAS wild-type disease.

Isabelle Franklin, discusses the investigation of the correlation between self-reported social needs and colorectal cancer screening.

The safety and efficacy of adding total ablative therapy of all disease sites to standard systemic treatment is being investigated in patients with limited metastatic colorectal cancer as part of the ongoing phase 3 ERASur study.

Kathryn Hitchcock, MD, PhD, expands on potential clinical implications of the ongoing phase 3 ERAsur trial in metastatic colorectal cancer

Emerging strategies leveraging biomarker data for the treatment of patients with early-stage and metastatic colorectal cancer have made precision medicine a top-of-mind topic for gastrointestinal oncologists.

Isabelle Franklin discusses the effects of social determinants of health on rates of colorectal cancer screening, expands on how these social determinants of health could affect a patient’s likelihood of adhering to screening guidelines, and highlights ways to potentially address these barriers to screening.

Brian C. Grieb, MD, PhD, discusses unmet needs for patients with colorectal cancer, including the identification of novel pan-CRC biomarkers for drug development.

Marwan G. Fakih, MD, reviews data from the phase 3 randomized SUNLIGHT trial investigating trifluridine/tipiracil plus bevacizumab for third-line treatment of refractory metastatic colorectal cancer.

Thierry Andre, MD, discusses the efficacy of trifluridine/tipiracil plus bevacizumab in patients with metastatic colorectal cancer and the safety profiles of the 2 arms of the phase 3 SOLSTICE trial.

Jayesh Desai, MBBS, FRACP, discusses the evolution of divarasib, highlighting the rationale for combining the KRAS G12C inhibitor with cetuximab in patients with advanced colorectal cancer harboring KRAS G12C mutations in a phase 1b study.

In this sixth episode of OncChats: Examining the Promise of Multicancer Early Detection Tests, Toufic A. Kachaamy, MD, Madappa Kundranda, MD, PhD, and Niloy Jewel J. Samadder, MD, discuss important takeaways from the ECLIPSE study (NCT04136002), which evaluated a cell-free DNA blood-based test for colorectal cancer in an average-risk population.

Treatment with the combination of the tissue-specific therapeutic IMX-110 and the anti–PD-1 antibody tislelizumab led to tumor shrinkage in heavily pretreated patients with metastatic colorectal cancer.

Julien Taieb, MD, PhD, discusses the safety profile associated with trifluridine/tipiracil with bevacizumab in refractory metastatic colorectal cancer.

Laith Abushahin, MD, discusses the evolution of targeted therapy for patients with metastatic colorectal cancer and the importance of biomarker testing in this patient population.

Leap Therapeutics has launched the randomized, controlled part B of the phase 2 DeFianCe trial, which will evaluate DKN-01 in combination with bevacizumab and chemotherapy as second-line therapy in patients with advanced colorectal cancer.

The combination of botensilimab and balstilimab elicited durable responses and provided overall survival benefits in patients with microsatellite stable metastatic colorectal cancer that is resistant to chemotherapy and/or immunotherapy.

Julien Taieb, MD, discusses the importance of combining fluoropyrimidines with bevacizumab, key findings from the SUNLIGHT trial and the post-hoc analysis, and how these results may shake up the colorectal cancer treatment paradigm.

Deb Schrag, MD, MPH, discusses findings from the phase 2/3 PROSPECT trial in patients with rectal cancer.

Shared insight to the importance of tumor sidedness and its impact on the selection of EGFR-targeted therapy in metastatic colorectal cancer.