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High Dose Methotrexate With Leucovorin Rescue With or Without Glucarpidase in Osteosarcoma

Randomized, Blinded, Placebo-Controlled Trial of High Dose Methotrexate With Leucovorin Rescue (HDMTX-LV) With or Without Glucarpidase in Osteosarcoma

Status
Terminated
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00634322
Enrollment
7
Registered
2008-03-13
Start date
2008-10-31
Completion date
2009-04-30
Last updated
2014-09-15

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

Conditions

Osteosarcoma

Keywords

osteosarcoma, high dose methotrexate, leucovorin

Brief summary

The purpose of this study is to demonstrate whether use of glucarpidase facilitates administration of the next cycle of chemotherapy as scheduled and improves safety and tolerability of HDMTX given with LV

Interventions

IV dose based on weight, two doses given for 5 minutes, 24 hours apart

DRUGleucovorin

IV or po given every 6 hours

Sponsors

M.D. Anderson Cancer Center
CollaboratorOTHER
BTG International Inc.
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Caregiver)

Eligibility

Sex/Gender
ALL
Age
8 Years to 50 Years
Healthy volunteers
No

Inclusion criteria

* osteosarcoma * eligible to receive 2 sequential cycles of HDMTX-LV

Exclusion criteria

* prior administration of glucarpidase * progression of disease while on previous MTX treatment

Design outcomes

Primary

MeasureTime frame
Patients Progressing to Next Chemotherapy Cycle1 week after intervention

Participant flow

Participants by arm

ArmCount
High-dose Methotrexate Plus Glucarpidase Then Placebo
First cycle: High-dose methotrexate with leucovorin, plus 2 doses of glucarpidase 24 hours apart Second cycle: High-dose methotrexate with leucovorin, plus 2 doses of placebo 24 hours apart
1
High-dose Methotrexate Plus Placebo Then Glucarpidase
First cycle: High-dose methotrexate with leucovorin, plus 2 doses of placebo 24 hours apart Second cycle: High-dose methotrexate with leucovorin, plus 2 doses of glucarpidase 24 hours apart
1
Arm C, Compassionate Use of Glucarpidase
Compassionate use group to treat or prevent life threatening toxicity in the event of delayed elimination of MTX and/or renal impairment. Patients received glucarpidase 50 U/kg
5
Total7

Baseline characteristics

CharacteristicHigh-dose Methotrexate Plus Glucarpidase Then PlaceboHigh-dose Methotrexate Plus Placebo Then GlucarpidaseArm C, Compassionate Use of GlucarpidaseTotal
Age, Categorical
<=18 years
1 Participants1 Participants3 Participants5 Participants
Age, Categorical
>=65 years
0 Participants0 Participants0 Participants0 Participants
Age, Categorical
Between 18 and 65 years
0 Participants0 Participants2 Participants2 Participants
Sex: Female, Male
Female
1 Participants1 Participants3 Participants5 Participants
Sex: Female, Male
Male
0 Participants0 Participants2 Participants2 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
— / —— / —— / —
other
Total, other adverse events
0 / 10 / 10 / 5
serious
Total, serious adverse events
0 / 11 / 11 / 5

Outcome results

Primary

Patients Progressing to Next Chemotherapy Cycle

Time frame: 1 week after intervention

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026