Clinical trial NCT00983528 (phase 1/phase 2, status: terminated)
Conditions: acute lymphoblastic leukemia
ICD codes: C91.01, C91.02, C91.00
Drugs: clofarabine
SMILES: [H][C@@]12C[C@@H](C)[C@](O)(C(=O)CO)[C@@]1(C)C[C@H](O)[C@@]1(F)[C@@]2([H])CCC2=CC(=O)C=C[C@]12C
Reason stopped: 
    support withdrawn due to slow accrual
  
Eligibility criteria:

        Inclusion Criteria:

          1. Provide signed written informed consent. If a patient is under the 18 years of age the
             parent or the guardian will also need to provide written informed consent.

          2. Diagnosis of ALL (B or T lineage) who have received therapy with at least 1 but not
             more than 3 prior different induction regimens and have been deemed to have relapse or
             refractory disease. The phase II component of the study enrollment will be limited to
             2 different prior induction regimens if patients are older than 30 years.

          3. ALL lymphoblasts with CD52 expression on at least 10% on lymphoblasts.

          4. Age >= 16 years of age.

          5. ECOG PS 0-2.

          6. Have adequate renal and hepatic functions.

          7. Subject or their patient or guardian is capable of understanding the investigational
             nature, potential risks and benefits of the study, and able to provide valid informed
             consent.

          8. Female patients of childbearing potential must have a negative serum pregnancy test
             within 2 weeks prior to enrollment.

          9. Male and female patients must use an effective contraceptive method during the study
             and for a minimum of 6 months after study treatment. Subjects 16 and 17 years old must
             also adhere to effective contraception methods or abstinence during the study and for
             a minimum of 6 months after study and the nature of contraception or abstinence must
             be documented.

         10. CMV PCR negative prior to enrollment

        Exclusion Criteria:

          1. Current concomitant chemotherapy, radiation therapy, or immunotherapy other than as
             specified in the protocol.

          2. Use of investigational agents within 30 days or any anticancer therapy within 2 weeks
             before study entry with the exception of hydroxyurea, CNS treatment or prophylaxis, or
             tyrosine kinase inhibitors for individuals with Philadelphia chromosome positive ALL.
             The patient must have recovered from all acute toxicities from any previous therapy.

          3. Lack of bone marrow or blood involvement by leukemia such as a documented CNS or
             testicular only relapse.

          4. Have any other severe concurrent disease, or have a history of serious organ
             dysfunction or disease involving the heart, kidney, liver, or other organ system that
             may place the patient at undue risk to undergo treatment.

          5. Patients with any known or suspected Hepatitis B, C and HIV infections.

          6. Patients with a systemic fungal, bacterial, viral, or other infection not controlled
             (defined as exhibiting ongoing signs/symptoms related to the infection and without
             improvement, despite appropriate antibiotics or other treatment).

          7. Pregnant or lactating patients.

          8. Any significant concurrent disease, illness, or psychiatric disorder that would
             compromise patient safety or compliance, interfere with consent, study participation,
             follow up, or interpretation of study results.