Skip to content

Expanded Access Use of L-MTP-PE for the Treatment of Osteosarcoma

Expanded Access Use of L-MTP-PE for the Treatment of Osteosarcoma

Status
AVAILABLE
Phases
Unknown
Study type
Expanded Access
Source
ClinicalTrials.gov
Registry ID
NCT04571229
Enrollment
Unknown
Registered
2020-09-30
Start date
Unknown
Completion date
Unknown
Last updated
2026-05-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Osteosarcoma

Keywords

L-MTP-PE, Expanded Access, 20-324

Brief summary

This expanded access protocol will allow access to treatment with L-MTP-PE for people with osteosarcoma. L-MTP-PE is an investigational drug that has not been approved by the FDA to treat any condition, including osteosarcoma. L-MTP-PE works by activating certain types of white blood cells, and these active white blood cells help the immune system kill cancer cells.

Interventions

DRUGL-MTP-PE

L-MTP-PE will be administered at a dose of 2mg/m2 (maximum dose 4 mg), twice weekly for 12 weeks and weekly for an additional 24 weeks, for a total of 48 doses in 36 weeks.

Sponsors

Memorial Sloan Kettering Cancer Center
Lead SponsorOTHER

Eligibility

Sex/Gender
ALL

Inclusion criteria

* Confirmed diagnosis of osteosarcoma of any age Note: Patients with either newly diagnosed or relapsed osteosarcoma are eligible. * Surgical resection or other definitive local control therapy of all clinically detectable sites of osteosarcoma * L-MTP-PE is deemed to be of potential benefit by the treating investigator * Willing and able to understand and sign informed consent and assent as appropriate * Life expectancy \> 6 weeks * Adequate organ function as follows: * Adequate bone marrow function defined as: * absolute neutrophil count (ANC) ≥ 750/mm\^3 * platelet count ≥ 30,000/ mm\^3 * hemoglobin ≥ 8 g/dl * Adequate renal function defined as: * Creatinine clearance or radioisotope glomerular filtration rate ≥ 70 mL/min/1.73m\^2 OR * Serum creatinine ≤ 2x the upper limit of normal based on age/gender * Adequate liver function defined as: * Bilirubin (sum of conjugated + unconjugated) ≤ 2x upper limit of normal for age or ≤ 4x upper limit of normal if thought to have Gilbert's disease * AST or ALT ≤ 3x upper limit of normal or ≤ 5x upper limit of normal for patients with liver metastases * Willing to use a barrier method of contraception throughout the course of the study and for 1 year after participation if relevant

Exclusion criteria

* Use of chronic steroids of other immunosuppressive agents * Pregnant or breast feeding

Countries

United States

Contacts

CONTACTEmily Slotkin, MD
slotkine@mskcc.org212-639-8856
CONTACTPaul Meyers, MD
212-639-5952
PRINCIPAL_INVESTIGATOREmily Slotkin, MD

Memorial Sloan Kettering Cancer Center

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: May 12, 2026