Acute Myeloid Leukemia Clinical Trial

A Study of Siremadlin in Combination With Venetoclax Plus Azacitidine in Adult Participants With Acute Myeloid Leukemia (AML) Who Are Ineligible for Chemotherapy.

Summary

A study of siremadlin in combination with venetoclax plus azacitidine in adult participants with AML who are ineligible for chemotherapy.

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Full Description

The recommended dose of siremadlin in combination with venetoclax plus azacitidine will be determined to be explored further in the expansion phase and the preliminary efficacy in achieving Complete Remission (CR) will be evaluated in participants who responded sub-optimally to first-line venetoclax plus azacitidine treatment.

The study was planned to be conducted in two parts. The primary purpose of Part 1 (Safety Run- in) was to rule out excessive toxicity of siremadlin when administered in combination with venetoclax plus azacitidine while the primary purpose of Part 2 (Expansion) was to evaluate the preliminary efficacy of siremadlin when combined with venetoclax plus azacitidine in the respective patient population.

The study treatment (siremadlin in combination with venetoclax plus azacitidine) is administered in cycles with a planned duration of 28 days and will continue until the participants experience disease progression/relapse or unacceptable toxicity.

The initial enrollment plan and safety review was as follow:

In the Safety run-in part, 9-15 participants were planned to be enrolled in each arm. Approximately 3-6 participants were planned to be enrolled at the starting dose level of siremadlin in combination with venetoclax plus azacitidine in both arms independently. Provided the starting dose level is determined to be safe, approximately 6-9 additional participants were planned to be enrolled at dose level +1. Safety review meetings were planned to take place involving participating investigators and the Sponsor Team to make decisions regarding siremadlin dose and determine the recommended dose for expansion.
Approximately 26 patients were planned to be treated at the recommended dose in the expansion part.

In the safety run-(Part 1) 27 sites were open for recruitment with 28 patients screened and 14 patients enrolled.

After enrolling 14 patients (6 patients in Arm 1 and 8 patients in Arm 2), Novartis took the decision to put the enrollment in permanent halt and terminate the siremadlin program. For that reason, the enrollment in Part 2 (expansion phase) will not be open. The Novartis decision was not driven by any safety concerns.

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Eligibility Criteria

Inclusion Criteria:

- Age at the date of signing the informed consent form (ICF): Arm 1 and Arm 2: ≥ 18 years

- Participants diagnosed with AML based on WHO 2016 classification (Arber et al 2016) who are ineligible for standard induction chemotherapy and: Arm 1 : have received at least 2 cycles and not more than 4 cycles of first-line venetoclax plus azacitidine treatment and have not achieved a CR, CRi, CRh or MLFS.

Arm 2 : newly diagnosed AML with adverse genetic risk stratification (according to ELN 2022) (except TP53 mutation positive participants).

Participant (in both arms) must be considered ineligible for standard of care intensive induction chemotherapy defined by the following:

75 years of age; OR
18 to 74 years of age with at least one of the following co-morbidities: Eastern Cooperative Oncology Group (ECOG) Performance Status of 2 or 3; Cardiac history of congestive heart failure (CHF) requiring treatment or Ejection Fraction ≤ 50% or chronic stable angina; DLCO ≤ 65% or FEV1 ≤ 65%.

Participants must have an ECOG performance status:

0 to 2 for participants ≥ 75 years of age. OR 0 to 3 for participants ≥ 18 to 74 years of age.

WBC < 25x109/L
AST and ALT ≤ 3 × ULN
Estimated Glomerular Filtration Rate (eGFR)≥ 60 mL/min/1.73 m2

Exclusion Criteria:

Prior exposure to MDM2-inhibitor therapy at any time.
Participants with TP53 mutation positive.
Participants with del17p.
Participants with AML-M3 / APL (Acute promyelocytic leukemia) with PML-RARA (Promyelocytic leukemia/retinoic acid receptor alpha) or with AML secondary to Down's syndrome.
Participants treated with FLT3 inhibitors for AML indication are not eligible.
Participants who require treatment with moderate or strong CYP3A4 inducers within 14 days prior to starting study treatment, or are expected to receive moderate or strong CYP3A4 inducers during the entire study
Participants who require treatment with substrates of CYP3A4/5 with a narrow therapeutic index.

Other protocol-defined inclusion/exclusion criteria may apply at the end

Study is for people with:

Acute Myeloid Leukemia

Phase:

Phase 1

Estimated Enrollment:

14

Study ID:

NCT05155709

Recruitment Status:

Active, not recruiting

Sponsor:

Novartis Pharmaceuticals

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There are 9 Locations for this study

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Oregon Health Sciences University .
Portland Oregon, 97239, United States
Texas Oncology Sammons Cancer Center Sammons Cancer Center (SC)
Dallas Texas, 78246, United States
Novartis Investigative Site
Hong Kong , , Hong Kong
Novartis Investigative Site
Budapest , 1085, Hungary
Novartis Investigative Site
Beer-Sheva , 84571, Israel
Novartis Investigative Site
Jerusalem , 91120, Israel
Novartis Investigative Site
Bologna BO, 40138, Italy
Novartis Investigative Site
Alor Setar Kedah, 05460, Malaysia
Novartis Investigative Site
Selangor , 68000, Malaysia
Novartis Investigative Site
Izmir , 35340, Turkey

How clear is this clinincal trial information?

Study is for people with:

Acute Myeloid Leukemia

Phase:

Phase 1

Estimated Enrollment:

14

Study ID:

NCT05155709

Recruitment Status:

Active, not recruiting

Sponsor:


Novartis Pharmaceuticals

How clear is this clinincal trial information?

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