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An open label phase II study to evaluate the efficacy and safety of Inotuzumab Ozogamicin for Induction Therapy followed by a conventional chemotherapy based consolidation and maintenance therapy In patients aged 56 years and older with Acute Lymphoblastic leukemia (ALL).

Phase 1
Conditions
Acute lymphoblastic leukemia, Philadelphia-chromosome and BCR-ABL negative disease, patient aged 56 years or older
MedDRA version: 21.0Level: LLTClassification code 10000845Term: Acute lymphoblastic leukemiaSystem Organ Class: 100000004864
Therapeutic area: Diseases [C] - Cancer [C04]
Registration Number
EUCTR2016-004836-39-DE
Lead Sponsor
Goethe Universität
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Authorised-recruitment may be ongoing or finished
Sex
All
Target Recruitment
45
Inclusion Criteria

1. Male or female patients, >56 years of age and fit for therapy
2. Newly diagnosed acute lymphoblastic leukemia (>25% marrow blasts, assessed by morphology; i.e., M2 or M3 marrow)
3. Leukemic blasts must have CD22 surface expression of a least 20%, assessed by local/institutional flow cytometry of a bone marrow aspirate sample (assessment of CD22 via the reference lab for immungenetics is strongly recommended). In the case of an inadequate aspirate sample (dry tap), flow cytometry of peripheral blood specimen may be substituted if the patient has circulating blasts; alternatively, CD22 expression may be documented by immunohistochemistry of a bone marrow biopsy specimen
4. No previous ALL-specific treatment with the exception of corticosteroids and/or single dose vincristine and/or a maximum of three doses of cyclophosphamide (cumulative dose of 600mg/m2) and the standard prephase treatment
5. With or without documented CNS involvement
6. Adequate liver function, including total serum bilirubin <2.0 x ULN unless the patient has documented Gilbert syndrome, and aspartate and alanine aminotransferase (AST and ALT) <2.5 x ULN
If organ function abnormalities are considered due to leukemic infiltration of the liver, total serum bilirubin must be < 2.5 x ULN and AST/ALT <5 x ULN
7. Serum creatinine <1.5 x upper limit of normal (ULN) or any serum creatinine level associated with a measured or calculated creatinine clearance of >40 mL/min
8. WHO performance status <2
9. Signed written inform consent
10. Inclusion in GMALL registry

Are the trial subjects under 18? no
Number of subjects for this age range:
F.1.2 Adults (18-64 years) yes
F.1.2.1 Number of subjects for this age range 20
F.1.3 Elderly (>=65 years) yes
F.1.3.1 Number of subjects for this age range 25

Exclusion Criteria

1. Philadelphia-chromosome or BCR-ABL positive ALL
2. Burkitt’s or mixed phenotype acute leukemia based on the WHO 2008 criteria
3. Peripheral absolute lymphoblast count >10,000/µL after pre-phase treatment and before start of study medication
4. Known systemic vasculitis (e.g., Wegener’s granulomatosis, polyarteritis nodosa, systemic lupus erythematosus), primary or secondary immunodeficiency (such as HIV infection or severe inflammatory disease)
5. Current or chronic hepatitis B or C infection as evidenced by hepatitis B surface antigen and anti-hepatitis C antibody positivity, respectively, or known seropositivity for human immunodeficiency virus (HIV)
6. Major surgery within <4 weeks before entry on study
7. Unstable or severe uncontrolled medical condition (e.g., unstable cardiac function or unstable pulmonary condition)
8. Concurrent active malignancy other than non-melanoma skin cancer, carcinoma in situ of the cervix, or localized prostate cancer that has been definitely treated with radiation or surgery; patients with previous malignancies are eligible provided that they have been disease free for >2 years
9. Cardiac function, as measured by left ventricular ejection fraction (LVEF) that is less than 45%, or the presence of New York Heart Association (NYHA) stage III or IV congestive heart failure
10. Myocardial infarction <6 months before entry on study
11. History of clinically significant ventricular arrhythmia, or unexplained syncope not believed to be vasovagal in nature, or chronic bradycardic states such as sinoatrial block or higher degrees of AV block unless a permanent pacemaker has been implanted
12. Uncontrolled electrolyte disorders that can confound the effects of a QTc prolonging drug (e.g., hypokalemia, hypocalcemia, hypomagnesemia)
13. History of chronic liver disease (e.g., cirrhosis) or suspected alcohol abuse
14. History of hepatic veno-occlusive disease (VOD) or sinusoidal obstruction syndrome (SOS)
15. Administration of live vaccine <6 weeks before entry on study
16. Evidence of uncontrolled current serious active infection (including sepsis, bacteremia, fungemia) or patients with a recent history (within 4 months) of deep tissue infections such as fasciitis or osteomyelitis
17. Patients who have had a severe allergic reaction or anaphylactic reaction to any humanized monoclonal antibodies or any known hypersensitivity to the active substance or any of its excipients
18. Pregnant females; breastfeeding females; males and females of childbearing potential (a woman is considered of childbearing potential (WOCBP) i.e. fertile, following menarche and until becoming post-menopausal unless permanently sterile e.g. after hysterectomy or bilateral ovariectomy. Please refer to chapter 12.4 Contraceptive Requirements.) not using highly effective contraception or not agreeing to continue highly effective contraception for women at least 8 months an for men at least 5 months after the last dose of investigational product
19. Participation in other studies involving investigational drug(s) (Phase I-IV) within 4 weeks before study inclusion
20. Other severe acute or chronic medical or psychiatric condition or laboratory abnormality that may increase the risk associated with study participation or investigational product administration or may interfere with the interpretation of study results and, in the judgment of the investigator, would make the patient inappropriate for entry into this study.

Study & Design

Study Type
Interventional clinical trial of medicinal product
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Secondary Objective: To evaluate the safety of an inotuzumab ozogamicin induction therapy. ;Main Objective: Primary objective: <br>To evaluate the efficacy of an inotuzumab ozogamicin induction therapy, defined as the number of patients being alive in first remission one year after start of induction therapy. <br>;Primary end point(s): Event free survival (EFS) at 12-months follow-up. An event is any of the following: persisting bone marrow blasts (more than 5% leukemic blasts) after two cycles of inotuzumab ozogamicin, relapse or death.;Timepoint(s) of evaluation of this end point: After 12-months follow-up
Secondary Outcome Measures
NameTimeMethod
Secondary end point(s): a. The rate of complete hematological remission after inotuzumab ozogamicin induction treatment <br>b. The rate of patients being negative for minimal residual disease (defined by RQ-PCR for at least one leukemia-specific Ig/TCR gene rearrangement or leukemia specific genetic aberration with a sensitivity of at least 10-4) after induction treatment <br>c. Relapse free survival after two years <br>d. The proportion of patients with molecular relapse <br>e. Overall survival after two years<br>f. Death during induction <br>g. Death in complete remission <br>;Timepoint(s) of evaluation of this end point: 24 months following initiation of Inotuzumab Ozogamicin
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