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A Safety and Efficacy Study of LGH447 in Patients With Acute Myeloid Leukemia (AML) or High Risk Myelodysplastic Syndrome (MDS)

A Phase I, Multicenter, Open-label Study of Oral LGH447 in Patients With Acute Myeloid Leukemia or High Risk Myelodysplastic Syndrome

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02078609
Enrollment
70
Registered
2014-03-05
Start date
2014-03-20
Completion date
2019-04-18
Last updated
2020-12-17

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

Conditions

AML and High Risk MDS

Keywords

AML,, MDS,, PIM,, LGH447,, acute myelod leukemia,, myelodysplastic syndrome,, midostaurin,, PKC412

Brief summary

This study will assess the safety and preliminary efficacy of escalating doses of LGH447 monotherapy in AML and MDS and LGH447 in combination with midostaurin in AML.

Interventions

DRUGLGH447

LGH447 in patients with AML or MDS

DRUGLGH447 + midostaurin

LGH447 + midostaurin in patients with AML

Sponsors

Novartis Pharmaceuticals
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

-Male or female patients ≥18 years of age who present with one of the following: LGH447 monotherapy arm * Refractory/Relapsed AML following no more than 2 prior therapies, or in previously untreated AML patients who are not candidates for standard therapy. * High and very high risk MDS according to the revised International Prognostic Scoring System (rIPSS) who have failed prior therapies, such as azacitidine and decitabine * Patients with rIPSS score of \> 4.5 LGH447 and midostaurin combination arm * Refractory/Relapsed AML following no more than 2 prior therapies, or in previously untreated AML patients who are not candidates for standard therapy. AML patients may have either FLT3 wild type or FLT3-ITD/TKD mutant disease, and FLT3 mutation status needs to be defined at study entry. * For AML patients, peripheral blast counts \< 50,000 blasts/mm3 * For MDS patients; * Platelet count \> 25,000/mm3 * Neutrophils \> 500/mm3 * Blood transfusions are allowed to maintain clinically adequate hemoglobin and hematocrit levels * Patients with active central nervous system (CNS) disease are eligible to participate and may be treated concurrently with intrathecal (or intra Ommaya) chemotherapy * Patients who are maintained on prophylactic antibiotics are eligible to participate as long as agents comply with the list of approved concomitant medications * Performance status ≤ 2 * Meet other lab criteria

Exclusion criteria

* Systemic antineoplastic therapy (including unconjugated therapeutic antibodies and toxin immunoconjugates) or any experimental therapy within 7 days or 5 half-lives, whichever is longer, before the first dose of LGH447 monotherapy or LGH447 in combination with midostaurin * Radiotherapy with a wide field of radiation within 28 days or radiotherapy with a limited field of radiation for palliation within 7 days of the first dose of LGH447 monotherapy or LGH447 in combination with midostaurin * Patients who received CNS irradiation for meningeal leukemia, except if radiotherapy occurred \> 3 months previously * Major surgery within 4 weeks before the first dose of LGH447 monotherapy or LGH447 in combination with midostaurin * Ongoing therapy with corticosteroids greater than 10 mg of prednisone or its equivalent per day. Inhaled and topical steroids are permitted * Patients who are currently receiving hydroxyurea to control peripheral blood leukemic blasts and cannot be discontinued for at least 48 hours prior to obtaining PD biomarkers at screening/baseline and during the study * Patients who are currently receiving treatment with prohibited medication and that cannot be discontinued at least one week prior to the start of treatment with LGH447 monotherapy or LGH447 in combination with midostaurin * Active infection requiring systemic therapy or other severe infection, including pneumonia, within 2 weeks before the first dose of LGH447 monotherapy or LGH447 in combination with midostaurin * Known human immunodeficiency virus (HIV) positive * Corrected QT interval (QTc) of \> 450 milliseconds (ms) in males and \> 470 milliseconds (ms) in females on baseline electrocardiogram (ECG) (using corrected QT interval using Fridericia \[QTcF\] or local standards). * Uncontrolled cardiovascular condition, including ongoing cardiac arrhythmias, congestive heart failure, angina, or myocardial infarction within the past 6 months * Pregnant or nursing

Design outcomes

Primary

MeasureTime frameDescription
Incidence rate of dose limiting toxicities (DLTs) of LGH447 monotherapy arm in patients with AML or MDS and of LGH447 + midostaurin in patients with AML28 days post study treatmentFrequency and characteristics of dose limiting toxicities

Secondary

MeasureTime frameDescription
Number of participants with the type, frequency, and severity of adverse events (AEs) as a measure of safety and tolerability of the LGH447 monotherapy arm in patients with AML or MDS and of the LGH447 + midostaurin treatment arm in patients with AMLweekly to bi-weekly up to 1.5 yearsIncludes changes in hematology and blood chemistry values, assessments of physical examinations, vital signs, and electrocardiograms (ECGs)
PK parameters of the LGH447 monotherapy arm in patients with AML or MDS and of the LGH447 + midostaurin treatment arm in patients with AMLdays 1, 2, 15, 16, 29, 30, 44, 57, and approximately monthly through Cycle 3LGH447 and midostaurin plasma concentrations and basic PK parameters
Changes between pre- and post-treatment levels of pS6RP and p4EBP1 in bone marrow aspirates and p4EBP1 in peripheral blood of the LGH447 monotherapy arm in patients with AML or MDS and of the LGH447 + midostaurin treatment arm in patients with AMLscreening, days 1 and 29 up to 1.5 yearsAssess pharmacodynamic effects of LGH447
Anti-tumor activity in AML or high risk MDS associated wtih LGH447Day 29 up to 1.5 yearsTo assess any preliminary anti-tumor activity in AML or high risk MDS associated with LGH447
Anti-tumor activity in AML or high risk MDS associated wtih LGH447 in combination with midostaurinDay 29 up to 1.5 yearsTo assess any preliminary anti-tumor activity in AML or high risk MDS associated with LGH447 in combination with midostaurin

Countries

Australia, France, Germany, Italy, Japan, Netherlands, United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026