Total Body Irradiation and Cladribine Before Allogeneic Hematopoietic Cell Transplantation in Patients With AML (Acute Myeloid Leukemia) and Myelodysplastic Syndromes (CLARA)

Assessment of Tolerance and Effectiveness of Total Body Irradiation and Cladribine Before Allogeneic Hematopoietic Cell Transplantation in Patients With Acute Myeloid Leukemia and Myelodysplastic Syndromes

A single center, prospective, one arm clinical study to assess the tolerance and effectiveness of total body irradiation and cladribine in adult patients diagnosed with AML( acute myeloid leukemia) and myelodysplastic syndromes.

Study Overview

• Status: Active, not recruiting
• Conditions: Acute Myeloid Leukemia Myelodysplastic Syndromes
• Intervention / Treatment: Drug: Cladribine

• Study Type: Interventional
• Enrollment (Estimated): 40
• Phase: Phase 2

Contacts and Locations

Study Locations

• Poland
  • Gliwice, Poland, 44-101
    • Klinika Transplantacji Szpiku i Onkohematologii Narodowy Instytut Onkologii im. Marii Skłodowskiej-Curie Państwowy Instytut Badawczy, Oddział w Gliwicach

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 18 years to 60 years (Adult)
• Accepts Healthy Volunteers: No

Description

Inclusion Criteria:

1. Age between 18 and 60 years.
2. Patient is a candidate for allogeneic hematopoietic cell transplantation due to acute myeloid leukemia(intermediate or high risk acute myeloid leukemia in complete remission, low risk with positive Minimal residual disease) or high risk myelodysplastic syndrome.
3. Demonstration of chemosensitivity in the case of treatment regimens with cladribine in induction therapy.
4. Patient signed informed consent form prior to any study related screening procedures are performed.
5. Patient has Eastern Cooperative Oncology Group performance status score of 0 or 1.
6. Patient is a candidate for allogeneic hematopoietic cell transplantation from sibling or unrelated donor (full matched or 9/10 mismatched) or from haploidentical donor.

Exclusion Criteria:

1. Has received more than 1 allogeneic hematopoietic cell transplantation.
2. Presence of active uncontrolled infection (i.e. sepsis, new symptoms, worsening physical signs or radiographic findings attributable to infection).
3. Known active human immunodeficiency virus, hepatitis B virus or hepatitis C virus infection (positive polymerase chain reaction test) or risk of hepatitis B virus reactivation (Hepatitis B surface antigen positive).
4. Presence of active disease in acute myeloid leukemia patients.
5. History or current diagnosis for uncontrolled or significant cardiac or pulmonary disease.
6. Presence of severe renal or liver dysfunction (creatinine, alanine aminotransferase,aspartate aminotransferase or bilirubin concentration > 3.0 upper limit of normal
7. Currently pregnancy or breast feeding.
8. Treatment of any other investigational agent in the same time as this study.
9. Known allergies, hypersensitivity, or intolerance to cladribine or similar compounds.
10. Women of childbearing potential who do not agree to use two effective methods of contraception.

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Treatment
• Allocation: N/A
• Interventional Model: Single Group Assignment
• Masking: None (Open Label)

Number of Arms

1

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Experimental: Cladribine	Drug: Cladribine; The conditioning regimen used will be cladribine-based at a dose of 5 mg / m2 for 5 days (iv.) and total body irradiation at a total dose of 12 Gy in three fractions.

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Time Frame
The probability of progression-free survival in 24 month follow up	24 month follow up

Secondary Outcome Measures

Outcome Measure	Time Frame
Frequency of adverse events	24 month follow up
24-month overall survival probability	24 month follow up
Disease recurrence probability.	24 month follow up
Mortality unrelated with disease recurrence	24 month follow up
Likelihood of acute and chronic graft-versus-host disease	24 month follow up
Time of neutrophil and platelet implantation	24 month follow up

Collaborators and Investigators

• Sponsor: Maria Sklodowska-Curie National Research Institute of Oncology
• Collaborators: KCRI

Study record dates

Study Major Dates

• Study Start (Actual): October 7, 2021
• Primary Completion (Estimated): December 31, 2027
• Study Completion (Estimated): December 31, 2027

Study Registration Dates

• First Submitted: April 25, 2021
• First Submitted That Met QC Criteria: April 26, 2021
• First Posted (Actual): April 27, 2021

Study Record Updates

• Last Update Posted (Actual): April 24, 2025
• Last Update Submitted That Met QC Criteria: April 21, 2025
• Last Verified: April 1, 2025

More Information

Terms related to this study

• Additional Relevant MeSH Terms: Pathologic Processes; Neoplasms; Neoplasms by Histologic Type; Disease; Hematologic Diseases; Precancerous Conditions; Bone Marrow Diseases; Syndrome; Leukemia; Leukemia, Myeloid; Leukemia, Myeloid, Acute; Preleukemia; Myelodysplastic Syndromes; Antineoplastic Agents; Immunosuppressive Agents; Immunologic Factors; Physiological Effects of Drugs; Cladribine
• Other Study ID Numbers: 20-NIO-0001

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: No
• Studies a U.S. FDA-regulated device product: No
• product manufactured in and exported from the U.S.: No