Treatment Protocol for Newky Diagnosed Adult Ph Positive ALL

Lymphoblastic Leukemia Clinical Trial

— LALPh2022  

Official title:

Treatment Protocol for Newky Diagnosed Adult Ph-Chromosome Positive (BCR::ABL1) Acute Lymphoblastic Leukemia (LALPh2022)

Clinical Trial Details — Status: Not yet recruiting

Administrative data

• NCT number: NCT06175702
• Other study ID #: PETHEMA LALPh2022
• Status: Not yet recruiting
• Start date: December 25, 2023
• Est. completion date: December 25, 2030

Study information

• Verified date: November 2023
• Source: PETHEMA Foundation
• Contact: Josep M Ribera Santasusana, MD
• Phone: 0034934978387
• Email: jribera[@]iconcologia.net
• Is FDA regulated: No
• Study type: Observational

Clinical Trial Summary

The goal of this prospective, multicenter, open observational study is to assess the efficacy and safety of the treatment for acute lymphoblastic leukemia Ph' positive adult patients with approved combinations of chemotherapy and tyrosine kinase inhibitor (TKI).

Efficay refers to the rate of Complete Molecular Response (BCR::ABL1/ABL1 ratio 0.01%) in eah treatment arm. Safety refers to measurement of i) Adverse events (AEs) and serious adverse events (SAEs) according to standard clinical and laboratory tests (hematology and chemistry, physical examination, vital sign measurements, and diagnostic tests), ii) incidence and degree of cytopenias and iii) incidence and degree of infections.

Low-dose chemotherapy will be given together with the TKI imatinib to patients of all ages as induction to remission phase.

Consolidation treatment will continue with low-dose chemotherapy with imatinib if the patient fullfills both criteria: to show a measurable residual disease (MRD) value lower than 0,01% at 3 month of therapy, and not showing IKZF1plus genetics Those patients have any of these 2 conditions will be considered high-risk patients and will recieve consolidation treatment intensification with low-dose chemotherapy plus ponatinib as TKI and allogeneic stem cell transplantation (allo SCT). The remaining patients (standard-risk) will receive maintenance chemotherapy together with imatinib or ponatinib and will not be submitted to alloSCT.

Description:

The goal of this prospective, multicenter, open observational study is to assess the efficacy and safety of the treatment for acute lymphoblastic leukemia Ph' positive adult patients with approved combinations of chemotherapy and tyrosine kinase inhibitor (TKI).

Efficay refers to the rate of Complete Molecular Response (BCR::ABL1/ABL1 ratio 0.01%) in each treatment arm. Safety refers to measurement of i) Adverse events (AEs) and serious adverse events (SAEs) according to standard clinical and laboratory tests (hematology and chemistry, physical examination, vital sign measurements, and diagnostic tests), ii) incidence and degree of cytopenias and iii) incidence and degree of infections.

Low-dose chemotherapy induction phase with vincristine (dose 1.5 mg/m2 at days 1, 8, 15 and 22), dexamethasone (dose 40 mg days 1-2, 8-9,15-16 and 22-23) will be given together with the TKI imatinib (dose 600 mg from day to consolidation start) to all patients of all ages as induction to remission phase.

Consolidation treatment will continue with low-dose chemotherapy with methotrexate (dose 1000 mg/m2 on day 1 with 24h infusion) and arabinoside of cytarabine (dose 1000 mg/m2/ days 1, 3 and 5 with 2h infusion) with imatinib (dose 600 mg per day) if the patient fullfills both criteria: i) to show a measurable residual disease (MRD) value <0,01% at 3 month of therapy, and ii) not showing IKZF1plus genetics.

Those patients having any of these 2 conditions will be considered high-risk patients and will recieve consolidation treatment intensification with low-dose chemotherapy (same as described above) plus ponatinib (dose 30 mg per day) as TKI and allogeneic stem cell transplantation (alloSCT) followed by maintenance chemotherapy with mercaptopurine (dose 50 mg/m2 on days 1 to 28) and methotrexate (dose 20 mg/m2 on days 1, 8, 15 and 22) together with imatinib (dose 600 mg per day) or ponatinib (15 mg per day) up to 5 years. The remaining patients (standard-risk) will receive maintenance chemotherapy (as described above) together with imatinib (dose 600 mg per day) or ponatinib (15 mg per day) up to 5 years and will not be submitted to alloSCT.

Recruitment information / eligibility

• Status: Not yet recruiting
• Enrollment: 150
• Est. completion date: December 25, 2030
• Est. primary completion date: December 25, 2028
• Accepts healthy volunteers: No
• Gender: All
• Age group: 18 Years and older

Eligibility

Inclusion Criteria:

1. Patients with de novo avute lymphoblastic leukeima (ALL) Philadelphia chromosome-positive (BCR::ABL1) aged =18 years.

2. CML blast crisis will be included. These patients will always receive transplantation, regardless of the molecular response or the genetic risk, following the recommendations of the SEHH CML group (Chronic Myleoid Leukemia Group from the Spanish Society of Hematology).

3. Performance status 0-2; patients with performance status>2 attributable to ALL can be included.

4. Patients without functional alteration of organs; liver function: total bilirubin, GOT, GPT, GGT and alkaline phosphatase less than 3 times the upper limit of the normal range of the laboratory; renal function: serum creatinine <2 mg/dl or creatinine clearance > 30 ml/min (except altered renal function attributable to ALL); normal heart function: EF ventricular > 50%; absence of severe chronic respiratory disease. In case that the alterations are secondary to the disease, it is at the discretion of the physician to determine if the patient can be included in the study.

Exclusion Criteria:

1. Any other subtype of ALL.

2. Patients with chronic liver disease.

3. Patients with chronic respiratory failure.

4. Renal failure not due to ALL.

5. Lipase and amylase>1.5× ULN.

6. Patients with positive HIV serology.

7. Serious neurological alterations not due to ALL.

8. Serious general condition condition (grades 3 or 4 on the WHO scale) not attributable to ALL.

9. Pregnant or breastfeeding women.

10. Impaired cardiac function (defined by an ejection fraction less than 50%), any clinically significant active or uncontrolled cardiovascular condition, uncontrolled hypertension, arrhythmias, ischemic cardiovascular or neurological events, deep vein thrombosis, pulmonary thromboembolism, history of acute pancreatitis in the year before diagnosis of ALL or history of chronic pancreatitis and triglycerides >450 mg/dL.

Related Conditions & MeSH terms

• Adult ALL
• Leukemia
• Leukemia, Lymphoid
• Lymphoblastic Leukemia
• Philadelphia-Positive ALL
• Precursor Cell Lymphoblastic Leukemia-Lymphoma

Intervention

Drug:
• Vincristine
dose 1.5 mg/m2 at days 1, 8, 15 and 22
• Dexamethasone
40 mg on days 1-2, 8-9,15-16 and 22-23
• Imatinib
600 mg per day from 1 to up to 5 years
• Cytarabine
1000 mg/m2/ on days 1, 3 and 5 of consolidation with 2h infusion
• Mercaptopurine
50 mg/m2 on days 1 to 28 of maintenance
• Methotrexate
1000 mg/m2 on day 1 of consolidation with 24h infusion; and 20 mg/m2 on days 1, 8, 15 and 22 of maintenance
• Ponatinib
15 mg per day from consolidation start up to 5 years

Procedure:
• allogeneic stem cell transplantation
Allogeneic stem cell transplantation from hematpoietic stem cells progenitors of familiar or not familiar origin. Cord blood transplantation can also be done.
• Total body irradiation
Fractionated dose with total dose of 12 Gy between days -4 and -1 of allogeneic stem cell transplantation (alloSCT)

Drug:
• Cyclophosphamide
60 mg/kg on days -6 and -5 before alloSCT
• Fludarabine
30 mg/m2 intravenous on days -7, -6, -5 y -4 before alloSCT (alternative to cyclophosphamide)

Locations

Country	Name	City	State
n/a

Sponsors (1)

Lead Sponsor	Collaborator
PETHEMA Foundation

References & Publications (33)

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Vignetti M, Fazi P, Cimino G, Martinelli G, Di Raimondo F, Ferrara F, Meloni G, Ambrosetti A, Quarta G, Pagano L, Rege-Cambrin G, Elia L, Bertieri R, Annino L, Foa R, Baccarani M, Mandelli F. Imatinib plus steroids induces complete remissions and prolonged survival in elderly Philadelphia chromosome-positive patients with acute lymphoblastic leukemia without additional chemotherapy: results of the Gruppo Italiano Malattie Ematologiche dell'Adulto (GIMEMA) LAL0201-B protocol. Blood. 2007 May 1;109(9):3676-8. doi: 10.1182/blood-2006-10-052746. Epub 2007 Jan 9. — View Citation

* Note: There are 33 references in all — Click here to view all references

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Overall survival	Improvement of OS compared to that observed in the previous protocols (PETHEMA LALPh08 and LALOPh07).	5 Years
Secondary	Change the complete molecular response (CMR) rate with Ponatinib	Change the CMR rate at the end of consolidation with the administration of ponatinib to those patients who do not achieve CMR at the end of induction or have high-risk genetics (IKZF1plus).	5 Years
Secondary	Limit the number of alloTPH compared to that observed in the previous protocols (PETHEMA LALPh08 and LALOPh07).	Limit the number of alloTPH to any of the following: Lack of CMR at the end of consolidation.; High-risk genetics (IKZF1plus).	5 Years
Secondary	Maintenance	To assess the number of non-transplanted participants who receive maintenance treatment.	5 Years
Secondary	Treatment with TKI after HSCT	To assess the number of transplanted patients who receive TKI maintenance treatment preemptively (upon of MRD>0.01%).	5 Years
Secondary	Assess the frequency and degree of Adverse Events	Assess the frequency of cytopenias and degree. Assess the frequency of infections and degree. Assess the frequency of vascuar events and degree. Assess the frequency of hepatic events and degree. Assess the frequency of pancreatic events and degree.	5 Years

External Links

•   Web page of the sponsor of the study