- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05658640
HEM iSMART-D: Trametinib + Dexamethasone + Chemotherapy in Children With Relapsed or Refractory Hematological Malignancies (HEM-iSMART D)
International Proof of Concept Therapeutic Stratification Trial of Molecular Anomalies in Relapsed or Refractory HEMatological Malignancies in Children, Subprotocol D: Trametinib + Dexamethasone + Cyclophosphamide and Cytarabine in Pediatric Patients With Relapsed or Refractory Hematological Malignancies
Study Overview
Status
Conditions
- Acute Lymphoblastic Leukemia, in Relapse
- Lymphoblastic Lymphoma (Precursor B-Lymphoblastic Lymphoma/Leukaemia) Recurrent
- Lymphoblastic Lymphoma (Precursor T-Lymphoblastic Lymphoma/Leukaemia) Recurrent
- Lymphoblastic Lymphoma (Precursor B-Lymphoblastic Lymphoma/Leukaemia) Refractory
- Lymphoblastic Lymphoma (Precursor T-Lymphoblastic Lymphoma/Leukaemia) Refractory
Intervention / Treatment
Detailed Description
HEM-iSMART is a master protocol with sub-protocols. The overarching objective is that introducing targeted therapy using a biomarker driven approach for treatment stratification may improve the outcome of children with R/R acute lymphoblastic leukemia (ALL) and lymphoblastic lymphoma (LBL) It is characterized by a shared framework that allows for the investigation of multiple IMPs and generate pivotal safety and efficacy evidence within the sub-protocols to establish and define the benefits and risks of new treatments for children with R/R leukemia.
Sub-Protocol D within HEM-iSMART, is a phase I/II, multicenter, international, open-label clinical trial designed to evaluate the safety, tolerability, pharmacokinetics (PK) and efficacy of trametinib in combination with dexamethasone, cyclophosphamide and cytarabine in children, adolescents and young with R/R ALL and LBL. Patients with actionable alterations in the RAS-RAF-MAPK pathway will be eligible for sub-protocol D including but not limited to KRAS, NRAS, HRAS, FLT3, PTPN11, MAP2K1, MP2K1 hotspot mutations, cCBL; NF1 del.
Study Type
Enrollment (Anticipated)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Contact
- Name: Anne Elsinghorst
- Phone Number: +316 5000 6270
- Email: hem-ismart@prinsesmaximacentrum.nl
Study Locations
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-
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Utrecht, Netherlands, 3584CS
- Princess Maxima Center for pediatric oncology
-
Contact:
- Anne A.L Elsinghorst
- Email: hem-ismart@prinsesmaximacentrum.nl
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion criteria
- Children between 1 year (≥ 12 months) and 18 years of age at the time of first diagnosis and less than 21 years at the time of inclusion. Patients under 6 years old must weigh at least 7 kg at the time of enrollment. Patients over 6 years old must weigh at least 10 kg at the time of enrollment.
Performance status: Karnofsky performance status (for patients >12 years of age) or Lansky Play score (for patients
- 12 years of age) ≥ 50% (Appendix I).
- Written informed consent from parents/legal representative, patient, and age-appropriate assent before any study specific screening procedures are conducted, according to local, regional or national guidelines.
Patients must have had molecular profiling and flow-cytometric analysis of their recurrent or refractory disease at a time-point before the first inclusion into this trial (see section 9.1 of this protocol for detailed description of the molecular diagnostics required). Drug response profiling and methylation is highly recommended but not mandatory.
Patients with molecular profiling at first diagnosis lacking molecular diagnostics at relapse or refractory disease may be allowed to be included after discussion with the sponsor.
- Patients whose tumor present RAS pathway activating mutations including but not limited to KRAS, NRAS, HRAS, FLT3, PTPN11, MAP2K1, MP2K1 hotspot mutations, cCBL; NF1 del, as detected by molecular profiling.
Adequate organ function:
RENAL AND HEPATIC FUNCTION (Assessed within 48 hours prior to C1D1) :
- Serum creatinine ≤ 1.5 x upper limit of normal (ULN) for age or calculated creatinine clearance as per the Schwartz formula or radioisotope glomerular filtration rate ≥ 60 mL/min/1.73 m2.
- Direct bilirubin ≤ 2 x ULN (≤ 3.0 × ULN for patients with Gilbert's syndrome).
- Alanine aminotransferase (ALT)/serum glutamic pyruvic transaminase (SGPT) ≤ 5 x ULN; aspartate aminotransferase (AST)/serum glutamic oxaloacetic transaminase/SGOT ≤ 5 x ULN. Note: Patients with hepatic disfunction related to the underling disease can be eligible even if they do not fulfill the aforementioned values for hepatic transaminases. In these cases, patients need to be discussed with the sponsor to confirm the eligibility.
CARDIAC FUNCTION:
- Shortening fraction (SF) >29% (>35% for children < 3 years) and/or left ventricular ejection fraction (LVEF) ≥50% at baseline, as determined by echocardiography or MUGA.
- Absence of QTcF prolongation (QTc prolongation is defined as >450 msec on baseline ECG, using the Fridericia correction), or other clinically significant ventricular or atrial arrhythmia.
Exclusion Criteria
- Pregnancy or positive pregnancy test (urine or serum) in females of childbearing potential. Pregnancy test must be performed within 7 days prior to C1D1.
- Sexually active participants not willing to use highly effective contraceptive method (pearl index <1) as defined in CTFG HMA 2020 (Appendix II) during trial participation and until 6 months after end of antileukemic therapy.
- Breast feeding.
- Impairment of gastrointestinal (GI) function or GI disease that may significantly alter drug absorption of oral drugs (e.g., ulcerative diseases, uncontrolled nausea, vomiting, diarrhea, or malabsorption syndrome) in case of oral IMPs.
- Have a known immediate or delayed hypersensitivity reaction or idiosyncrasy to the study drugs, or drugs chemically related to study treatment or excipients that contraindicate their participation, including conventional chemotherapeutics (i.e. cytarabine and cyclophosphamide, intrathecal agents) and corticoids.
- Known active viral hepatitis or known human immunodeficiency virus (HIV) infection or any other uncontrolled infection.
- Severe concomitant disease that does not allow treatment according to the protocol at the investigator's discretion.
- Subjects unwilling or unable to comply with the study procedures.
- Previous treatment with trametinib.
Current use of a prohibited medication or herbal preparation or requires any of these medications during the study.
See Section 7 and Appendix III for details. Drugs inducing QTc changes (prolongation of the QT interval or inducing Torsade de Points) are not permitted.
- Unresolved toxicity greater than NCI CTCAE v 5.0 ≥ grade 2 from previous anti-cancer therapy, including major surgery, except those that in the opinion of the investigator are not clinically relevant given the known safety/toxicity profile of the study treatment (e.g., alopecia and/or peripheral neuropathy related to platinum or vinca alkaloid based chemotherapy) (Common Terminology Criteria for Adverse Events (CTCAE) (cancer.gov).
- Active acute graft versus host disease (GvHD) of any grade or chronic GvHD of grade 2 or higher. Patients receiving any agent to treat or prevent GvHD post bone marrow transplant are not eligible for this trial.
- Received immunosuppression post allogenic HSCT within one moth of study entry.
- History or current evidence of retina vein occlusion (RVO) or central serous retinopathy are excluded.
Wash-out periods of prior medication:
- CHEMOTHERAPY: At least 7 days must have elapsed since the completion of cytotoxic therapy, with the exception of hydroxyurea, 6-mercaptopurine, oral methotrexate and steroids which are permitted up until 48 hours prior to initiating protocol therapy. Patients may have received intrathecal therapy (IT) at any time prior to study entry.
- RADIOTHERAPY: Radiotherapy (non-palliative) within 21 days prior to the first dose of drug. Palliative radiation in past 21 days is allowed.
- HEMATOPOIETIC STEM CELL TRANSPLANTATION (HSCT): Autologous HSCT within 2 months prior to the first study drug dose; Allogeneic HSCT within 3 months prior to the first study drug dose.
- IMMUNOTHERAPY: At least 42 days must have elapsed after the completion of any type of immunotherapy other than monoclonal antibodies (e.g. CAR-T therapy)
- MONOCLONAL ANTIBODIES AND INVESTIGATIONAL DRUGS: At least 21 days or 5 times the half-life (whichever is shorter) from prior treatment with monoclonal antibodies or any investigational drug under investigation must have elapsed before the first study drug.
- SURGERY: Major surgery within 21 days of the first dose. Gastrostomy, ventriculo-peritoneal shunt, endoscopic ventriculostomy, tumor biopsy and insertion of central venous access devices are not considered major surgery.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Sub-study D
Trametinib + dexamethasone + cyclophosphamide and cytarabine. Each cycle lasts 28 days. Cycle 1: Trametinib is given orally continuously once a day in tablets or oral formulation depending on the age and weight of the patient. Dexamethasone is given intravenously (IV)/orally on days 1 to 5. Cyclophosphamide is given IV on day 3. Cytarabine is given IV in two blocks of 4 days each one week apart from day 5. Cycle 2 and subsequent cycles: Trametinib is given orally continuously once a day in tablets or oral formulation depending on the age and weight of the patient. Dexamethasone is given intravenously (IV)/orally on days 1 to 5. Cyclophosphamide is given IV on day 1. Cytarabine is given IV in two blocks of 4 days each one week apart from day 3. Patients in dose level -1, receive only 1 block of cytarabine per cycle. All patients receive age adapted intrathecal chemotherapy. |
Intravenous
Oral
Oral/ Intravenous
Intravenous
IT: Methotrexate +/- prednisone/hydrocortisone/cytarabine according to the degree of central nervous involvement
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Phase I: Maximum tolerated dose (MTD) / Recommended phase 2 dose (RP2D)
Time Frame: 3 years
|
Defined as the highest dose level tested at which 0/6 or 1/6 patients experiences dose limiting toxicities (DLT) during course 1 with at least 2 patients experiencing DLT at the next higher dose
|
3 years
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Phase II: Best Overall Response Rate (ORR)
Time Frame: 6 years
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For patients with leukemia: CR and MRD response after 1 cycle of treatment. This includes determination of CR, CRp, CRi and minimal residual disease (MRD) negativity rate in patients suffering from overt morphological relapse of T-ALL at time of enrolment (morphological disease (M2/M3)), and the MRD negativity rate in those that entered with high-MRD levels but in morphological CR. These results will together be presented as a composite endpoint Overall Response rate (ORR). MRD negativity will be defined as ≤1x10-4 as generated by multi-parameter flow cytometry. For patients with lymphoma: Response in LBL patients is defined as CR, PR, minor response (MR) as defined in International pediatric NHL response criteria. In case of bone-marrow involvement MRD will be taken into account. For patients with lymphoma: Response in LBL patients is defined as CR, PR, minor response (MR) as defined in International pediatric NHL response criteria |
6 years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Overall survival (OS)
Time Frame: 7 years
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Defined as time from C1D1 until death of any cause.
|
7 years
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Event-free survival (EFS)
Time Frame: 7 years
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Defined as time from C1D1 to the first event (subsequent relapse after CR (including molecular reappearance), death of any cause, failure to achieve remission (CR, CRp or CRi), or secondary malignancy)
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7 years
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Cumulative incidence of relapse (CIR)
Time Frame: 7 years
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Estimate of the risk, that a patient will develop a relapse over a specified period of time.
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7 years
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Number of patients proceeding to hematopoietic stem cell transplantation (HSCT) after the experimental therapy
Time Frame: 7 years
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The rate of those proceeding to subsequent allogenic HSCT
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7 years
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Cumulative overall response rate (ORR)
Time Frame: 7 years
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Defined as the CR, CRp, CRi and MRD negativity rates after more than 1 cycle of treatment.
|
7 years
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Rate of dose limiting toxicities (DLTs)
Time Frame: 7 years
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Number of participants with dose limiting toxicities (DLTs)
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7 years
|
Peak Plasma Concentration (Cmax)
Time Frame: 6 years
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Estimation of trametinib CMAX
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6 years
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Collaborators and Investigators
Investigators
- Principal Investigator: Paco Bautista, MD PhD, Princess Maxima Center
- Study Chair: Michel Zwaan, Prof. Dr., Princess Maxima Center
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Pathologic Processes
- Immune System Diseases
- Neoplasms by Histologic Type
- Neoplasms
- Lymphoproliferative Disorders
- Lymphatic Diseases
- Immunoproliferative Disorders
- Neoplasms by Site
- Disease Attributes
- Hematologic Diseases
- Lymphoma
- Hematologic Neoplasms
- Leukemia
- Recurrence
- Lymphoma, Non-Hodgkin
- Precursor Cell Lymphoblastic Leukemia-Lymphoma
- Leukemia, Lymphoid
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Anti-Infective Agents
- Autonomic Agents
- Peripheral Nervous System Agents
- Antiviral Agents
- Enzyme Inhibitors
- Anti-Inflammatory Agents
- Antirheumatic Agents
- Antimetabolites, Antineoplastic
- Antimetabolites
- Antineoplastic Agents
- Immunosuppressive Agents
- Immunologic Factors
- Antiemetics
- Gastrointestinal Agents
- Glucocorticoids
- Hormones
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Antineoplastic Agents, Hormonal
- Antineoplastic Agents, Alkylating
- Alkylating Agents
- Myeloablative Agonists
- Protein Kinase Inhibitors
- Dexamethasone
- Cyclophosphamide
- Cytarabine
- Trametinib
Other Study ID Numbers
- 2021-003398-79
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Time Frame
CSRs will also be provided at the end of specific sub-protocols or specific phases of a sub-protocol, and when needed for regulatory purposes.
Examples for generating 'primary CSRs' may include:
- After Last Patient Last Visit (LPLV) in a study having ORR as endpoint
- After the RP2D is determined in a Phase I part of a given sub-protocol
- After the follow-up of a specific sub-protocol is completed.
IPD Sharing Access Criteria
IPD Sharing Supporting Information Type
- Clinical Study Report (CSR)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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