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Vadastuximab Talirine (SGN-CD33A; 33A) Combined With Azacitidine or Decitabine in Older Patients With Newly Diagnosed Acute Myeloid Leukemia (CASCADE)

A randomized, double-blind phase 3 study of vadastuximab talirine (SGN-CD33A) versus placebo in combination with azacitidine or decitabine in the treatment of older patients with newly diagnosed acute myeloid leukemia (AML)

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2015-003482-28-CZ
Enrollment
540
Registered
2016-04-18
Start date
2016-07-14
Completion date
Unknown
Last updated
2017-10-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Acute myeloid leukemia (AML) MedDRA version: 20.0 Level: LLT Classification code 10000886 Term: Acute myeloid leukemia System Organ Class: 100000004864

Interventions

Product Name: Vadastuximab talirine Product Code: SGN-CD33A Pharmaceutical Form: Concentrate for solution for injection/infusion INN or Proposed INN: vadastuximab talirine CAS Number: 1436390-64 Othe

Sponsors

Seattle Genetics, Inc.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Ages Eligible for Study: 18 Years and older Genders Eligible for Study: Both Inclusion Criteria: • Newly diagnosed, previously untreated, cytologically/histologically confirmed de novo or secondary AML according to WHO classification (except for acute promyelocytic leukemia [APL]) • Intermediate or adverse cytogenetic risk • Eligible for therapy with either decitabine or azacitidine • Acceptable hematologic and organ function 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 22 F.1.3 Elderly (>=65 years) yes F.1.3.1 Number of subjects for this age range 518

Exclusion criteria

Exclusion criteria: • AML associated with favorable risk karyotypes including inv(16), t(8;21), t(16;16), or t(15;17). • Patients who are candidates for allogeneic stem cell transplant at the time of enrollment • Patients with a history of one of the following myeloproliferative neoplasms: essential thrombocythemia, polycythemia vera, and primary myelofibrosis. • Received prior treatment with HMA or chemotherapy for antecedent MDS.

Design outcomes

Primary

MeasureTime frame
Main Objective: -To compare the composite complete remission (CRc) rate (morphologic complete remission [CR] and morphologic CR with incomplete hematologic recovery [CRi]) between treatment arms -To compare overall survival (OS) between treatment arms;Secondary Objective: ?To compare the minimal residual disease-negative remission (MRD-negative CRc) rate between treatment arms ?To evaluate the duration of remission in the 2 treatment arms ?To evaluate event-free survival (EFS) in the 2 treatment arms ?To evaluate leukemia-free survival (LFS) in the 2 treatment arms ?To evaluate the safety profiles in the 2 treatment arms ?To evaluate the time to response in the 2 treatment arms ?To evaluate the 30- and 60-day mortality rates in the 2 treatment arms;Primary end point(s): Composite complete remission rate (CRc rate) Overall Survival ;Timepoint(s) of evaluation of this end point: Up to approximately 5 years.

Secondary

MeasureTime frame
Secondary end point(s): ?Minimal residual disease (MRD)-negative CRc rate ?Duration of remission ? Event-free survival (EFS) ? Leukemia-free survival (LFS) ? Type, incidence, severity, seriousness, and relatedness of adverse events ? Laboratory abnormalities ? Time to Complete Remission (CR) or Morphologic complete remission with incomplete blood count recovery (CRi) ? Mortality rates at Day 30 and Day 60 post the first study treatment ;Timepoint(s) of evaluation of this end point: • (CR+CRi) CRc rate: Through 1 month following last dose • EFS: Up to approximately 5 years ? Duration of remission: Up to approximately 5 years • LFS: Up to approximately 5 years • Type, incidence, severity, seriousness, and relatedness of adverse events: Through 1 month following last dose • Laboratory abnormalities : Through 1 month following last dose • Time to complete remission : Through 1 month following last dose • Mortality rates at Day 30 and Day 60 post the first study treatment : Day 30 and Day 60 following the first dose • MRD status : Up to approximately 5 years

Countries

Australia, Austria, Belgium, Canada, Czech Republic, France, Germany, Hungary, Israel, Italy, Korea, Republic of, Luxembourg, Netherlands, Poland, Spain, Taiwan, United Kingdom, United States

Contacts

Public ContactLyn McDowell

PRA Health Sciences

mcdowelllyn@prahs.com+441389849494

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026