Treatment of High Risk Adult Acute Lymphoblastic Leukemia (LAL-AR/2003)

PETHEMA Foundation

Status and phase

Completed

Phase 4

Conditions

Acute Lymphoblastic Leukemia

Treatments

Drug: Mitoxantrone

Drug: Cytosine Arabinoside

Drug: Daunorubicin

Drug: Cytarabine

Drug: Methotrexate (MTX)

Drug: ASP

Drug: Prednisone

Drug: Teniposide

Drug: Dexamethasone

Drug: Mercaptopurine

Drug: Vincristine

Drug: Hydrocortisone

Study type

Interventional

Funder types

Other

Identifiers

NCT00853008

LAL-AR/2003

Details and patient eligibility

About

Current therapeutic protocols for adult ALL consider MRD together with the baseline risk factors (age, WBC count, immunophenotype, cytogenetics) and speed in response to therapy for treatment decisions. On the other hand, the systematic use of allogeneic SCT for all adult patients (pts) with Ph- HR-ALL is still a matter of debate. The aim of the prospective study ALL-AR-03 from the Spanish PETHEMA Group was to evaluate the response to a differentiated therapy (chemotherapy or allogeneic SCT) according to early bone marrow blast clearance and MRD levels (assessed by cytofluorometry at the end of induction and consolidation therapy) in HR Ph- adult ALL patients.

Full description

HR ALL included one or more of the following baseline parameters: age 30-60 yr, WBC count >25x109/L and 11q23 or MLL rearrangements. Induction therapy included vincristine, prednisone and daunorubicin for 4 weeks. In pts with slow cytologic response to therapy (≥10% blasts in bone marrow assessed on d14) intensified induction with high dose ARA-C and mitoxantrone was administered. Early consolidation therapy included 3 cycles with rotating cytotoxic drugs including high-dose methotrexate, high-dose ARA-C and high-dose asparaginase. Pts. with slow cytologic response on d14 or MRD level >0.05% after consolidation were assigned to allogeneic SCT (related or unrelated) and those with standard cytologic response on d14 and MRD level <0.05% after consolidation received 3 additional cycles of delayed consolidation (identical to those of early consolidation) followed by maintenance therapy up to 2yr in CR.

Enrollment

100 estimated patients

Sex

All

Ages

16+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

High risk ALL adult patients (age> 15 years)no treated previously
High-risk ALL:
One or more of the following:
- Age 30-60 yr.
- WBC count >25x109/L
- 11q23 or ALL1/AF4
Very high-risk ALL:
HR ALL and one or the following:
- Slow cytologic response (>10% blasts in BM on d14 of induction therapy).
- MRD>0.05% (by flow cytometry) at the end of consolidation