๐Ÿ›๏ธ Verified NIH Record โ€ข Updated 2026-01-22

ctDNA-guided Therapy Optimization in Newly Diagnosed DLBCL (NCT06693830)

Sequencing-guided cHemotherapy Optimization Using Real-Time Evaluation in Newly Diagnosed DLBCL With Circulating Tumor DNA: SHORTEN-ctDNA

๐ŸŸข Recruiting Observational / Diagnostic โš™๏ธ Medical Device Protocol Sponsor: Hua-Jay J Cherng, MD

๐Ÿฉบ Plain-English Summary (8th-Grade Level)

The purpose of this study is to 1) determine whether it is feasible to measure circulating tumor DNA (ctDNA) in real-time during standard treatment for newly diagnosed diffuse large B-cell lymphoma (DLBCL), and 2) evaluate the outcomes of participants with undetectable ctDNA in the middle of treatment who receive a shortened course of chemotherapy. There are no investigational drug agents to be administered in this study. The investigational assay, phased variant enrichment and detection sequencing (PhasED-seq) will be used to guide de-escalation of standard-of-care therapy for newly diagnosed DLBCL. The PhasED-seq assay has not yet been approved by the Food and Drug Administration (FDA).

Who can join: Review the eligibility criteria below.

Location: Columbia University โ€” New York, New York

Age range: 18 Years

๐Ÿ“‹ "Do I Qualify?" โ€” 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria โ†—

๐Ÿ“ All Participating Trial Locations (1 Sites)

  • Columbia University โ€” New York, New York

๐Ÿ“ž Contact the Study Coordinator

Phone: (212) 342-5162

Email: cancerclinicaltrials@cumc.columbia.edu

Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.

๐Ÿ’ฐ Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA ยง 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

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๐Ÿ’ก How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Contact the study coordinator using the phone/email above.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
๐Ÿ›๏ธ View Official NIH Record โ†—