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Active, not recruiting Not applicable Interventional

Liquid Biopsy in Ewing Sarcoma and Osteosarcoma as a Prognostic And Response Diagnostic: LEOPARD

ClinicalTrials.gov ID: NCT06068075

Public ClinicalTrials.gov record NCT06068075. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 16, 2026, 7:46 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Liquid Biopsy in Ewing Sarcoma and Osteosarcoma as a Prognostic And Response Diagnostic: The LEOPARD Study

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a prospective multicenter biomarker study evaluating the prognostic impact of ctDNA detection at diagnosis in patients with Ewing sarcoma or osteosarcoma.

Study identification

NCT ID
NCT06068075
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Not applicable
Enrollment
340 participants

Conditions and interventions

Eligibility (public fields only)

Age range
12 Months to 50 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
May 8, 2018 (Actual)
Primary completion
Jan 1, 2027 (Estimated)
Completion
Jan 1, 2027 (Estimated)
Last update posted
May 5, 2026

2018 – 2027

United States locations

U.S. sites
15
U.S. states
11
U.S. cities
12
Facility City State ZIP Site status
Childrens Hospital Los Angeles Los Angeles California 90027-0700 —
Children's Healthcare of Atlanta Atlanta Georgia 30322 —
Massachusetts General Hospital Cancer Center Boston Massachusetts 02114 —
Boston Children's Hospital Boston Massachusetts 02115 —
Brigham and Women's Hospital Boston Massachusetts 02115 —
Dana Farber Cancer Institute Boston Massachusetts 02115 —
Children's Hospital's and Clinics of Minnesota Minneapolis Minnesota 55404 —
Cincinnati Children's Hospital Medical Center Cincinnati Ohio 45229-3039 —
Nationwide Children's Hospital Columbus Ohio 43205 —
Children's Hospital of Philadelphia Philadelphia Pennsylvania 19104 —
Lifespan / Rhode Island Hospital Providence Rhode Island 02903 —
St. Jude Children's Research Hospital Memphis Tennessee 38105 —
UT Southwestern Medical Center Dallas Texas 75390 —
University of Utah Childrens Medical Center Salt Lake City Utah 84113 —
Seattle Children's Hospital Seattle Washington 98105 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT06068075, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted May 5, 2026 · Synced Oct 16, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT06068075 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →