Osteosarcoma Recurrent
Conditions
Brief summary
A multicentre, observational, retrospective study to analyse the efficacy of high dose isofosfamide thorugh elastomer in patients with relapsed/ refractory osteosarcoma
Interventions
none, Observational study
Sponsors
Study design
Eligibility
Inclusion criteria
* Diagnosis of high risk relapsed/ refractory osteosarcoma * Aged \<= 40 years at the beginning of treatment * at least one completed cycle of HD IFO through elastomer (14g/mq) in 14 days * disease evaluation according to RECIST criteria v.1.1
Exclusion criteria
* none
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Progression Free Survival | Evaluated during the first 4 months at the end of treatment | Disease remission or disease progression |
| growth modulation index - GMI | Evaluation to be recorded at each disease assessment through imaging (PET/CT/MRI) | ratio of time to progression (TTP) with nth line of therapy (TTPn) to the most recent prior line of therapy (TTPn-1) |
| toxicity according to CTCAE v.5.0 | Evaluation to be recorded at each disease assessment through imaging (PET/CT/MRI) | Disease evaluation |
Countries
Italy