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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT03705507
Other study ID # RG_16-186
Secondary ID 2016-003904-29IS
Status Terminated
Phase Phase 1/Phase 2
First received
Last updated
Start date May 18, 2018
Est. completion date May 3, 2023

Study information

Verified date May 2023
Source University of Birmingham
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This trial is to investigate the combination of selumetinib and dexamethasone in the treatment of acute lymphoblastic leukaemia (ALL) in both adults and children. Phase I is to find the most suitable dose of selumetinib to safely give with dexamethasone. Phase II will use this dose to find out how well the combination works.


Description:

Acute lymphoblastic leukaemia (ALL) is the most common childhood cancer worldwide. The overall newly diagnosed ALL cure rate is approaching 90% however children with relapsed ALL often do not survive. The frequency of ALL in adults is significantly lower however more challenging to treat compared to childhood ALL. Adult ALL is more resistant to chemotherapy and patient have reduced treatment tolerance (particularly the elderly population) therefore overall survival rates are low. Therefore there is a need to develop more effective treatment which improves survival rates for this patient population. Those eligible in the paediatric setting are in their second or further relapse, often after a previous allogeneic stem cell transplant (SCT), and usually in a palliative situation. Adult patients who are not suitable for more intensive therapy can enter the trial in first relapse. The trial offers an out-patient based treatment approach of this heavily pre-treated patient group. The trial includes patients with B-cell precursor and T-ALL irrespective of Central Nervous System (CNS) disease status.CNS positive patients and patients with T-ALL are usually excluded from other early phase clinical trials. If treatment is successful, patients could continue with other therapies/trials once complete remission achieved (e.g. Chimeric Antigen Receptor (CAR) T cell therapy). Selumetinib is a small molecule inhibitor of MEK, a protein in the RAS-pathway. Mutations in genes in the RAS pathway have been found in a large proportion of patients with ALL. Selumetinib targets this over-activated pathway to arrest cancer cell growth. Dexamethasone is a steroid important in the treatment of leukaemia to stimulate the death of cancer cells. The SeluDex trial is for patients with relapsed or refractory RAS-pathway mutated ALL. The primary objective of this trial in Phase I is to see what dose of selumetinib can safely be given in combination with dexamethasone in participants. During Phase II, the primary objective is to assess the preliminary information regarding the effectiveness of this combined treatment.


Recruitment information / eligibility

Status Terminated
Enrollment 12
Est. completion date May 3, 2023
Est. primary completion date May 3, 2023
Accepts healthy volunteers No
Gender All
Age group N/A and older
Eligibility Inclusion Criteria: - Morphologically proven relapsed/refractory (M2 or M3 marrow; =1st relapse for adults, =2nd relapse in paediatric group - see Protocol Appendix 5) or progressive B cell precursor or T-Acute Lymphoblastic Leukaemia (ALL) with demonstrated RAS pathway activating mutations (NRAS, KRAS, FLT3, PTPN11, cCBL, NF1, BRAF, IKZF2, IKZF3, IL7Ra or JAK1) identified during the trial screening process - B cell precursor patients must either: - Have received CAR -T cell therapy, or - Be awaiting CAR -T cell therapy, or - Be considered ineligible for CAR -T cell therapy - Group P (paediatric): <18 years of age; Group A (adult): =18 years of age - Adequate renal function: - Group A: Serum creatinine <1.5 x upper limit of normal (ULN) - Group P as follows: - 5 years: Serum creatinine <0.8 mg/dL or 70 µmol/L, > 5 years but = 10 years: Serum creatinine <1 mg/dL or 88 µmol/L, > 10 years but = 15 years: Serum creatinine <1.2 mg/dL or 106 µmol/L, > 15 years: Serum creatinine <1.5 mg/dL or 132 µmol/L - Patient is able to swallow selumetinib capsules whole - Performance status (PS): Group A - Eastern Cooperative Oncology Group (ECOG) =2 (Protocol Appendix 6); Group P - Lansky play scale =60% (Protocol Appendix 7) or Karnofsky scale =60% (Appendix 8) - Women of childbearing potential (see protocol section 7.9.3 for definition) must have a negative pregnancy test - Patients who are women of childbearing potential and male patients with partners who are women of childbearing potential must agree to use appropriate contraception (see protocol section 7.9.3 for definition) whilst on trial - Written informed consent - Absence of any psychological, familial, sociological or geographical factors potentially hampering compliance with the trial protocol and follow-up schedule; those conditions should be discussed with the patient before registration in the trial - Patients who relapse or progress after Haematopoetic Stem Cell Transplant (HSCT) need to be at least at day +100, with no signs of Graft versus Host Disease and off immunosuppressive therapy for at least one week. - Patients who relapse or progress after CAR T cell therapy should be at least 4 weeks after infusion of CAR T cells. - Patients must have a body surface area (BSA) = 0.55 m2. Exclusion Criteria: - ALL without presence of RAS-pathway activating mutations - Mature B-cell leukaemia and Philadelphia positive ALL - Prior exposure to MEK, RAS or RAF inhibitors - Any unresolved toxicity = CTCAE Grade 2 from previous anti-cancer therapy, except for alopecia - Cardiac conditions as follows: Group A and P - Prior or current cardiomyopathy including but not limited to the following: - Known hypertrophic cardiomyopathy - Known arrhythmogenic right ventricular cardiomyopathy - Even if full recovery has occurred, previous moderate or severe impairment of left ventricular systolic function (LVEF <45% on Echocardiogram (ECHO) in Group A; SF <29% in Group P but excluding transient impairments due to e.g. anaemia/sepsis or results not thought to represent a true reflection of cardiac function) - Severe valvular heart disease - Severe congenital heart disease - Uncontrolled hypertension: - Group A: BP =150/95 mmHg despite medical therapy - Group P: BP =95th percentile for age, height and gender (please refer to Blood Pressure by Age and Height Percentiles tables in Protocol Appendices 8 and 9) Group A - Baseline (LVEF) below the lower limit of normal (LLN) or <55% measured by ECHO - Acute coronary syndrome within 6 months prior to trial registration - Uncontrolled Angina - Canadian Cardiovascular Society grade II-IV despite medical therapy (Protocol Appendix 11) - Symptomatic heart failure New York Heart Association (NYHA) Class II-IV, prior or current cardiomyopathy, or severe valvular heart disease (Protocol Appendix 12) - Atrial fibrillation with a ventricular rate >100 bpm on Electrocardiogram (ECG) at rest - QTcF >450ms in male patients or =460ms in female patients, or other factors that increase the risk of QT prolongation Group P - Baseline SF <29% - Atrial fibrillation with a ventricular rate >130 bpm on Electrocardiogram (ECG) at rest - QTcF >450ms in patients <12 years or =460ms in patients =12 but <18 years - Ophthalmological conditions as follows: - Current or past history of retinal pigment epithelial detachment (RPED)/central serous retinopathy (CSR) or retinal vein occlusion (RVO) - Intraocular pressure (IOP) > 21 mmHg or uncontrolled glaucoma (irrespective of IOP) - Pregnant and breast feeding females - Known severe hypersensitivity to selumetinib, dexamethasone or combination medications or any excipient of these medicinal products, or history of allergic reactions attributed to compounds of similar chemical or biologic composition to selumetinib - Have received or are receiving an Investigational Medicinal Product (IMP) or other systemic anti-cancer treatment (not including dexamethasone, prednisolone or hydroxycarbamide) within 4 weeks (6 weeks for nitrosoureas, mitomycin, and suramin) prior to trial registration, or within a period during which the IMP or systemic anticancer treatment has not been cleared from the body (e.g. a period of 5 'half-lives'), whichever is the most appropriate and as judged by the investigator - Have had recent major surgery within a minimum 4 weeks prior to trial registration, with the exception of surgical placement of vascular access - Have received radiation therapy within 4 weeks prior to trial registration, or limited field of radiation for palliation within 7 days of the first dose of trial treatment - Laboratory values as listed below (SI units): - Serum bilirubin >1.5 x ULN (unless due to Gilbert's syndrome) - Have evidence of any other significant clinical disorder or laboratory finding that, as judged by the investigator, makes it undesirable for the patient to participate in the trial - Have any evidence of a severe or uncontrolled systemic disease (e.g. unstable or uncompensated respiratory, cardiac, hepatic, or renal disease, active infection (including hepatitis B, hepatitis C, HIV), active bleeding diatheses, or renal transplant) - Have refractory nausea and vomiting, chronic gastrointestinal diseases (e.g., inflammatory bowel disease), or significant bowel resection that would adversely affect the absorption/bioavailability of the orally administered trial medication - Any other active malignancy which, in the opinion of the investigator would limit the ability of the patient to complete the study

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Selumetinib
Selumetinib is a small molecule inhibitor of the MEK protein
Dexamethasone
Steroid used for the treatment and management of a number of conditions including cancers and leukaemias.

Locations

Country Name City State
Denmark Rigshospitalet Copenhagen
Netherlands Prinses Maxima Centrum Voor Kinderoncologie Utrecht
United Kingdom Birmingham Children's Hospital Birmingham
United Kingdom Queen Elizabeth Hospital Birmingham
United Kingdom Beatson West of Scotland Cancer Centre Glasgow
United Kingdom Alder Hey Children's Hospital Liverpool
United Kingdom Great Ormond Street Hospital London
United Kingdom Hammersmith Hospital London
United Kingdom King's College Hospital London
United Kingdom University College Hospital Adult Unit London
United Kingdom University College Hospital Paediatric/Teenage & Young Adult Unit London
United Kingdom Department of Paediatric Oncology, Royal Marsden Hospital, Sutton London Borough of Sutton
United Kingdom Haemato-Oncology Adult Unit, Royal Marsden Hospital, Sutton London Borough of Sutton
United Kingdom The Christie Hospital Manchester
United Kingdom Freeman Hospital Newcastle
United Kingdom Great North Children's Hospital, Royal Victoria Infirmary Newcastle
United Kingdom Royal Hallamshire Hospital Sheffield

Sponsors (3)

Lead Sponsor Collaborator
University of Birmingham AstraZeneca, Cancer Research UK

Countries where clinical trial is conducted

Denmark,  Netherlands,  United Kingdom, 

References & Publications (1)

Menne T, Slade D, Savage J, Johnson S, Irving J, Kearns P, Plummer R, Shenton G, Veal GJ, Vormoor B, Vormoor J, Billingham L. Selumetinib in combination with dexamethasone for the treatment of relapsed/refractory RAS-pathway mutated paediatric and adult acute lymphoblastic leukaemia (SeluDex): study protocol for an international, parallel-group, dose-finding with expansion phase I/II trial. BMJ Open. 2022 Mar 4;12(3):e059872. doi: 10.1136/bmjopen-2021-059872. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Other Exploratory pharmacodynamic biomarker studies including levels of phosphorylated Extracellular signal-regulated kinase (ERK) by flow cytometry as well as retrospective messenger ribonucleic acid (mRNA) profiling, including Bcl-2-like protein 11 (BIM) Cycle 1 day 1, cycle 1 day 4 and End of Treatment (6 cycles, each cycle is 28 days)
Primary Phase I: The occurrence/non-occurrence of dose limiting toxicities (DLTs) in the trial defined assessment period During cycle 1 (each cycle is 28 days)
Primary Phase II: Response to treatment as measured by morphological response At the end of cycle 1 (each cycle is 28 days)
Primary Phase II: For patients with CNS involvement only response to treatment as measured by clearance of Cerebral Spinal Fluid (CSF) blasts At the end of cycle 1 (each cycle is 28 days)
Secondary Phase I & II: The occurrence of adverse events (AEs) as measured by Common Terminology Criteria for Adverse Events (CTCAE) version 4 From cycle 1 day 1 until 28 days after End of Treatment (6 cycles, each cycle is 28 days)
Secondary Phase I & II: The occurrence of adverse events (AEs) as measured by causality assessment From cycle 1 day 1 until 28 days after the last treatment (6 cycles, each cycle is 28 days)
Secondary Phase I & II: Pharmacokinetic variables of selumetinib in combination with dexamethasone from the concentration time profile measured by area under the plasma concentration versus time curve (AUC) At cycle 1 day 1, cycle 1 day 4 and cycle 2 day 1 (each cycle is 28 days)
Secondary Phase I & II: Pharmacokinetic variables of selumetinib in combination with dexamethasone from the concentration time profile measured by the peak plasma concentration (Cmax) At cycle 1 day 1, cycle 1 day 4 and cycle 2 day 1 (each cycle is 28 days)
Secondary Phase I & II: Pharmacokinetic variables of selumetinib in combination with dexamethasone from the concentration time profile measured by the time to reach peak plasma concentration (Tmax) At cycle 1 day 1, cycle 1 day 4 and cycle 2 day 1 (each cycle is 28 days)
Secondary Phase I & II: Pharmacokinetic variables of selumetinib in combination with dexamethasone from the concentration time profile measured by the time required for the concentration of the drug to reach half of its original value (t1/2) At cycle 1 day 1, cycle 1 day 4 and cycle 2 day 1 (each cycle is 28 days)
Secondary Phase I: Response to treatment assessed by complete remission rate as measured by morphological response in bone marrow (BM) At the end of cycle 1 (each cycle is 28 days)
Secondary Phase I: Response to treatment assessed by complete remission rate as measured by minimal residual disease (MRD) response in BM At the end of cycle 1 (each cycle is 28 days)
Secondary Phase I: For patients with CNS involvement only response to treatment assessed by complete remission rate as measured by clearance of CSF blasts At the end of cycle 1 (each cycle is 28 days)
Secondary Phase I & II: Difference in pharmacokinetics of selumetinib (?AUC) when selumetinib is administered as single agent At cycle 1 day 1, cycle 1 day 4 and cycle 2 day 1 (each cycle is 28 days)
Secondary Phase I & II: Difference in pharmacokinetics of selumetinib (?AUC) when selumetinib is administered in combination with dexamethasone At cycle 1 day 1, cycle 1 day 4 and cycle 2 day 1 (each cycle is 28 days)
Secondary Phase II: The occurrence/non-occurrence of DLTs in the trial defined assessment period During cycle 1 (each cycle is 28 days)
Secondary Phase II: MRD response in BM At the end of cycle 1 (each cycle is 28 days)
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