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OncoMatch/Clinical Trials/NCT05968768

To Evaluate the Efficacy and Safety of Naxitamab in Patients With Refractory Ewing's Sarcoma (Butterfly)

Is NCT05968768 recruiting? Yes, currently enrolling (Jun 2026). This Phase 2 trial studies Naxitamab for ewing sarcoma.

Phase 2RecruitingAnna RaciborskaNCT05968768Data as of Jun 2026Location: Poland

Treatment: NaxitamabProspective, interventional, open, randomized, national, multicenter, non-commercial trial

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Extracted eligibility criteria

Treatments studied

Other

Naxitamab

Cancer type

Sarcoma

Biomarker criteria

Required: GD2 positive expression (positive)

GD2 positive tumor assessed by IHC

Demographics

Ages 2–21

Prior therapy

Min 1 prior line

Must have received: systemic anticancer treatment

Documented disease progression (during or after completion of at least one line treatment) or any subsequent recurrence.

Cannot have received: anti-GD2 antibody

Previous treatment with an anti-GD2 antibody.

Lab requirements

Cardiac function

Significant cardiac conduction abnormalities, including known familial prolonged QT syndrome, or screening corrected QT interval (QTc) >480 msec. Symptoms of congestive heart failure or left ventricular ejection fraction <50%.

Significant cardiac conduction abnormalities, including known familial prolonged QT syndrome, or screening corrected QT interval (QTc) >480 msec. Symptoms of congestive heart failure or left ventricular ejection fraction <50%.

Structured fields extracted by AI. May contain errors — verify against the official protocol.

Frequently asked questions

Is NCT05968768 currently recruiting?

Yes, this trial is currently recruiting patients.

Are there prior therapy exclusions?

Yes. Prior anti-GD2 antibody disqualifies patients from enrollment.

Does this trial require GD2?

Yes, GD2 positive expression is a required biomarker for enrollment.

Is there an age limit?

Yes. Patients must be 21 years or younger and at least 2 years old.

Could you qualify for this trial?

Enter your biomarker results to see how this trial's eligibility criteria match your specific cancer profile.

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Related pages

Sarcoma trials