Actively Recruiting

Phase 1
Phase 2
Age: 0 - 39Years
All Genders
NCT06892678

DFMO Maintenance for Patients With Relapsed/Refractory Ewing Sarcoma or Osteosarcoma

Led by Montefiore Medical Center · Updated on 2026-05-14

15

Participants Needed

1

Research Sites

260 weeks

Total Duration

On this page

Sponsors

M

Montefiore Medical Center

Lead Sponsor

J

Johns Hopkins University

Collaborating Sponsor

AI-Summary

What this Trial Is About

The purpose of this study is to determine the feasibility of administering DL-alpha-difluoromethylornithine (DFMO) to patients with relapsed Ewing sarcoma and osteosarcoma who have completed all planned therapy and have no evidence of disease.

CONDITIONS

Official Title

DFMO Maintenance for Patients With Relapsed/Refractory Ewing Sarcoma or Osteosarcoma

Who Can Participate

Age: 0 - 39Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Patients under 40 years of age at enrollment
  • Diagnosis of relapsed osteosarcoma or relapsed Ewing sarcoma who have completed all planned therapy for their relapse and have no evidence of disease
  • Performance status of 0, 1, or 2 on the Eastern Cooperative Oncology Group (ECOG) scale
  • At least 14 days since completion of myelosuppressive chemotherapy
  • At least 21 days since last monoclonal antibody infusion, with recovery from related toxicity to less than Grade 2
  • At least 7 days since last dose of biologic therapy (non-myelosuppressive anti-cancer agents)
  • At least 14 days since local external beam radiation therapy, 90 days since total body irradiation or craniospinal radiation, or 42 days since other substantial bone marrow radiation
  • Adequate bone marrow function: absolute neutrophil count ≥ 750/microliter and platelet count ≥ 75,000/microliter (transfusion independent)
  • Adequate renal function based on serum creatinine adjusted for age and gender
  • Adequate liver function: total bilirubin ≤ 1.5 times upper limit of normal (ULN) for age and ALT ≤ 5.0 times ULN (ULN is 45 U/L)
Not Eligible

You will not qualify if you...

  • Pregnant or breastfeeding females
  • Men and women of childbearing potential and their partners who do not agree to use adequate contraception during the study
  • Females of childbearing potential without a negative pregnancy test
  • Patients with uncontrolled infection
  • Patients with significant ongoing medical illnesses unrelated to cancer or its treatment that could interfere with study agents or increase treatment toxicity

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

Montefiore Medical Center

The Bronx, New York, United States, 10467

Actively Recruiting

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Research Team

R

Rebecca Zylber, MSN

CONTACT

L

Lara Fabish, MSN

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

1

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