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A Phase-3-trial of Acalabrutinib, Obinutuzumab & Venetoclax Compared to Obinutuzumab and Venetoclax in Previously Untreated Patients With High Risk CLL

RECRUITINGPhase 3Sponsored by German CLL Study Group
Actively Recruiting
PhasePhase 3
SponsorGerman CLL Study Group
Started2022-04-19
Est. completion2028-05
Eligibility
Age18 Years – 120 Years
Healthy vol.Accepted
View on ClinicalTrials.gov →

NCT05197192

Summary

This multicenter, prospective, open-label, randomized, superiority phase 3 study is designed to demonstrate that treatment with a triple combination of acalabrutinib, obinutuzumab and venetoclax (GAVe) prolong the progression-free survival (PFS) as compared to treatment with the combination of obinutuzumab and venetoclax (GVe) in pa-tients with high risk CLL (defined as having at least one of the follow-ing risk factors: 17p-deletion, TP53-mutation, complex karyotype or an unmutated IGHV-gene status).

Eligibility

Age: 18 Years – 120 YearsHealthy volunteers accepted
Inclusion Criteria:

* Documented CLL/SLL requiring treatment according to iwCLL criteria
* Age at least 18 years
* At least one of the following risk factors: 17p-deletion, TP53-mutation, complex karyotype (defined as defined as the presence of 3 or more chromosomal aberrations in 2 or more metaphases) or an unmutated IGHV gene status.
* Life expectancy ≥ six months
* Adequate bone marrow function indicated by a platelet count \>30 x10\^9/l
* Creatinine clearance ≥ 30ml/min
* Adequate liver function as indicated by a total bilirubin ≤ 2 x, AST/ ALT ≤ 2.5 x the institutional ULN value, unless directly attributable to the patient's CLL or to Gilbert's Syndrome
* Negative testing for hepatitis B (HbsAg negative and anti-HBc negative; patients positive for anti-HBc may be included if PCR for HBV DNA is negative and HBV-DNA PCR is performed every month until 12 months after last treatment cycle),or hepatitis C (negative testing for hepatitis C RNA within 6 wee
* ks prior to registration for study screening (i.e. PCR only required when serology was positive))
* ECOG (Eastern Cooperative Oncology Group Performance Status) status 0-2

Exclusion Criteria:

* Any prior CLL-specific therapies (except corticosteroid treatment administered due to necessary immediate intervention; within the last 10 days before start of study treatment, only dose equivalents up to 20 mg prednisolone are permitted)
* Absence of high risk disease (17p-deletion, TP53-mutation complex karyotype
* An individual organ/system impairment score of 4 as assessed by the CIRS definition (e.g. advanced cardiac disease (NYHA class 3 or 4) limiting the ability to receive the study treatment or any other life-threatening illness, medical condition or organ system dysfunction that, in the investigator´s opinion, could compromise the patients safety or interfere with the absorption or metabolism of the study drugs (e.g. inability to swallow tablets or impaired resorption in the gastrointestinal tract)
* Transformation of CLL (Richter transformation)
* Malignancies other than CLL currently requiring systemic therapies
* Uncontrolled or active infection of HIV/PML or any other active infection
* Anticoagulant therapy with warfarin or phenoprocoumon
* Pregnant women and nursing mothers

Conditions2

CancerChronic Lymphocytic Leukemia

Interventions3

AcalabrutinibObinutuzumab:Venetoclax

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