Biomarkers and Genomic Testing
Tools You Can Use
Liquid Biopsy/ctDNA Testing: Signatera
Liquid Biopsy/ctDNA (for MRD) Testing: Guardant Reveal
Liquid Biopsy/ctDNA Testing: Guardant360®
Tissue Testing: Immunoscore®
Questions? Feedback?

Current CRC studies using Signatera


Prospective study with patients who have undergone surgery for stage II or III CRC and who receive Signatera testing. Treating clinicians may recommend adjuvant chemotherapy or observation based on test results. BESPOKE CRC is expected to be active at more than 50 sites around the US and is still open to initiate new sites.

See more information at

  • Current sites recruiting:
    • United States, California
      Stockton Hematology Oncology Medical Group, Stockton, California, United States, 95204
      Contact: Ajithkumar Puthillath, MD, (209) 466-2626          
    • United States, Florida
      Oncology & Hematology Associates of West Broward, Tamarac, Florida, United States, 33321
      Contact: Sumit Sawhney, MD, (954) 726-0035           
    • United States, Indiana
      Fort Wayne Medical Oncology and Hematology, Fort Wayne, Indiana, United States, 46804
      Contact: Ahad Sadiq, MD, (260) 436-0800          
    • United States, Louisiana
      Pontchartrain Cancer Center, Covington, Louisiana, United States, 70433
      Contact: David Oubre, MD, (985) 875-1202          
    • United States, New Jersey
      New Jersey Cancer Care, Belleville, New Jersey, United States, 07109
      Contact: James Orsini, MD, (973) 751-8880        
    • United States, Ohio
      The Toledo Clinic, Toledo, Ohio, United States, 43623
      Contact: Rex Mowat, MD, (419) 473-3561          
    • United States, Oklahoma
      Oklahoma Cancer Specialists and Research Institute, Tulsa, Oklahoma, United States, 74146
      Contact: Byron Jennings, MD         
    • United States, Oregon
      Oregon Oncology Specialists, Salem, Oregon, United States, 97301
      Contact: Janelle Meyer, MD, (918) 505-3200          
    • United States, South Carolina
      Carolina Blood and Cancer Care Associates, Rock Hill, South Carolina, United States, 29732
      Contact: Niyati Nathwani, MD, (803) 329-7772         
    • United States, Virginia
      Virginia Cancer Institute, Richmond, Virginia, United States, 23226
      Contact: Nathan Langer, MD, (804) 673-0134          
    • United States, Washington
      Summit Cancer Centers, Spokane, Washington, United States, 99208
      Contact: Arvind Chaudhry, MD, (855) 786-6482          
      Northwest Medical, Tacoma, Washington, United States, 98405
      Contact: Jorge Chaves, MD, (253) 428-8700