E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Relapsed or Refractory Acute Lymphoblastic Leukemia |
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E.1.1.1 | Medical condition in easily understood language |
A group of cancers that usually begins in the bone marrow and results in high numbers of abnormal white blood cells. |
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E.1.1.2 | Therapeutic area | Diseases [C] - Cancer [C04] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 21.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10025230 |
E.1.2 | Term | Lymphatic leukemia |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
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E.1.3 | Condition being studied is a rare disease | Yes |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
Phase 1b: - To assess the safety and tolerability of carfilzomib, alone and in combination with induction chemotherapy, for the treatment of children with relapsed or refractory acute lymphoblastic leukemia (ALL) -To determine the maximum tolerated dose (MTD) of carfilzomib in combination with induction chemotherapy and to recommend a phase 2 dose of carfilzomib in combination with induction chemotherapy
Phase 2: - Compare the rate of CR of CFZ-VXLD at the end of induction therapy to an appropriate external control.
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E.2.2 | Secondary objectives of the trial |
Phase 2: -Evaluate the safety and tolerability of CFZ-VXLD -Compare the rate of CR, CRp, CRh, and CRi of CFZ-VXLD at the end of induction therapy relative to an appropriate external control -Compare EFS for CFZ VXLD to an appropriate external control -Compare OS for CFZ-VXLD relative to an appropriate external control -Estimate the DOR for CFZ-VXLD relative to an appropriate external control -Estimate the rate of MRD[-] at the end of induction in subjects receiving CFZ-VXLD •Estimate the proportion of subjects that bridge to stem cell transplant or CAR-T cell therapy in subjects receiving CFZ-VXLD •Estimate the rate of CR, CRp, CRh, and CRi of CFZ-VXLD at the end of consolidation therapy in subjects receiving CFZ-VXLD. •Estimate the pharmacokinetics of carfilzomib when administered as part of VXLD regimen
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
110 Subject's legally acceptable representative has provided informed consent when the subject is legally too young to provide informed consent and the subject has provided written assent based on local regulations and/or guidelines prior to any study-specific activities/procedures being initiated, except for standard of care local testing as permitted per Section 21.3. 111 Age greater than or equal to 1 month to less than 21 years. Subjects greater than or equal to 18 years must have had their original diagnosis at less than 18 years of age. 112 Subjects must be diagnosed with relapsed or refractory relapsed ALL. 113 Subjects must have a documented first remission, less than 5% blasts in the bone marrow (M1 bone marrow) and no evidence of extramedullary disease. 114 T-cell ALL with bone marrow relapse (defined as greater than or equal to 5% leukemia blasts in bone marrow) or refractory relapse with or without extramedullary disease. OR B-cell ALL with bone marrow relapse or refractory relapse (defined as greater than or equal to 5% leukemia blasts in bone marrow) after having received a targeted B-cell immune therapy (eg, blinatumomab, inotuzumab, or a CAR-T therapy) with or without extramedullary disease. 115 Adequate liver function: bilirubin less than or equal to 1.5 x upper limit of normal (ULN), alanine aminotransferase (ALT) less than or equal to 5 x ULN. 116 Adequate renal function: serum creatinine less than or equal to 1.5 x ULN or glomerular filtration rate (GFR) greater than or equal to 70 mL/min/1.73 m2; or for children less than 2 years of age, greater than or equal to 50 mL/min/1.73 m2. 117 Adequate cardiac function: shortening fraction greater than or equal to 30% or ejection fraction greater than or equal to 50%.
118 Karnofsky (subjects greater than or equal to 16 years of age) or Lansky (subjects 12 months to less than 16 years of age) performance status greater than or equal to 50%.
119 Subjects must have fully recovered from the acute toxic effects of all previous chemotherapy, immunotherapy, or radiotherapy treatment before enrolment (for example: recovery from gastrointestinal toxicity may occur more rapidly than less reversible organ toxicities such as sinusoidal obstruction syndrome or non-infectious pneumonitis, for serious prior toxicities recommend discussion with Amgen medical monitor). 120 Life expectancy of greater than 6 weeks per investigator`s judgment at time of screening
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E.4 | Principal exclusion criteria |
211 Prior treatment with carfilzomib. 214 Intolerance, hypersensitivity, or inability to receive any of the chemotherapy components of the VXLD regimen. An exception is allowed for allergy to asparaginase products if Erwinia asparaginase is unable to be administered. 215 Autologous HSCT within 6 weeks prior to start of study treatment. 216 Allogeneic HSCT within 3 months prior to start of study treatment. 217 Active GVHD requiring systemic immune suppression. 218 < 30 days from discontinuation of immune suppressive therapy administered for the treatment of acute or chronic GVHD. 219 Isolated extramedullary relapse. 220 Positive bacterial or fungal infection within 14 days of enrolment (except for documented line infection, line has been removed, and blood culture after line removal is negative for 5 days prior to first dose of induction therapy). Antibiotics may be administered for prophylaxis as per institutional standards up to and after enrollment. 221 Subjects with < 3 antibody half-lives since the last dose of monoclonal antibody, prior to first dose of investigational product must be discussed with the Amgen medical monitor and may be allowed to enroll based on extent of disease or evidence of rapidly rising peripheral or bone marrow blast counts. 222 Cell-based immunotherapy within 42 days prior to first dose of investigational product. If the Amgen medical monitor agrees, an exception may be granted to the 42-day requirement for subjects with rapidly rising peripheral or bone marrow blast counts. 223 Down's syndrome. 224 Presence of another active cancer. 225 History of grade greater than or equal to 2 pancreatitis within 6 months to screening 226 Unresolved toxicities from prior anticancer therapy, defined as not having resolved to CTCAE version 4.03 grade 1 or to levels dictated in the eligibility criteria apart from alopecia or toxicities from prior anticancer therapy that are considered irreversible and do not trigger another exclusion criterion (defined as having been present and stable for greater than 4 weeks) 227 Antitumor therapy within 7 days of day 1 of induction. Exception: hydroxyurea to control peripheral blood leukemic cell counts is allowed until start of investigational product. 228 Active viral infection, including but not limited to CMV, Hepatitis B with positive serum hepatitis surface antigen or hepatitis B DNA, HIV, Hepatitis C with detectable hepatitis C RNA. Subjects who have previously received a stem cell transplant must be screened for CMV infection, unless both subject and donor are known to be CMV negative. 229 Currently receiving treatment in another investigational device or product study, or less than 14 days since ending treatment on another investigational device or product study. 230 Uncontrolled arrhythmias or screening ECG with corrected QTc > 470 msec. 231 History or evidence of any other clinically significant disorder, condition or disease that, in the opinion of the investigator or Amgen physician, if consulted, would pose a risk to subject safety or interfere with the study evaluation, procedures or completion. 232 Female subject is pregnant/breastfeeding or planning to become pregnant/breastfeed during treatment and for an additional 6 months after the last dose of any study treatment or for 12 months after last dose of cyclophosphamide if administered during optional consolidation cycle. 233 Female subjects of childbearing potential unwilling to use 1 highly effective method of contraception during treatment and for an additional 6 months after the last dose of any study treatment or for 12 months after last dose of cyclophosphamide if administered during optional consolidation cycle. 234 Female subjects of childbearing potential with a positive pregnancy test assessed at Screening by a serum or urine pregnancy test. 235 Male subjects with a female partner of childbearing potential who are unwilling to practice sexual abstinence or use a condom with spermicide during treatment and for an additional 6 months after the last dose of any study treatment, even if they have undergone a successful vasectomy. 236 Male subjects with a pregnant partner who are unwilling to practice abstinence or use a condom with spermicide during treatment, for duration of pregnancy, and for an additional 6 months after the last dose of any study treatment. 237 Male subjects unwilling to abstain from donating semen or sperm during treatment and for an additional 6 months after the last dose of any study treatment. 238 Known allergy to captisol. |
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E.5 End points |
E.5.1 | Primary end point(s) |
• CR after induction therapy |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
Phase 2: The OR for the PoCR for CFZ-VXLD versus external control. |
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E.5.2 | Secondary end point(s) |
•Treatment-emergent and treatment-related adverse events and severe adverse events and laboratory abnormalities during the induction therapy and consolidation therapy •CR, CRp, CRh, and CRi at the end of induction therapy •EFS, defined as time from initiation of therapy until treatment failure (defined as failure to reach at least a CRi after consolidation or after induction in subjects that do not receive consolidation), relapse, or death from any cause •OS defined as time from initiation of therapy until death from any cause •DOR, defined as time from earliest of CR, CRp, CRh, or CRi to relapse or death from any cause •MRD status using NGS less than 10-3 and less than 10-4 by NGS in subjects achieving CR, CRp, CRh, or CRi after induction and consolidation therapy •MRD status using NGS >10^-4 after induction therapy in subjects achieving CR •Occurrence of a stem cell transplant or CAR-T, without an intervening relapse after the end of protocol specified therapy •CR, CRp, CRh, and CRi after consolidation therapy •Carfilzomib pharmacokinetic parameters, including AUC, Cmax and if feasible t1/2 |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
End of the Induction Cycle |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | Yes |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | Yes |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | Yes |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | Yes |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | Yes |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | Yes |
E.7.1.3.1 | Other trial type description |
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E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | No |
E.8.1.1 | Randomised | No |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | Information not present in EudraCT |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | No |
E.8.3 |
The trial involves single site in the Member State concerned
| Yes |
E.8.4 | The trial involves multiple sites in the Member State concerned | No |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 26 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
Australia |
Canada |
Israel |
Russian Federation |
Turkey |
United Kingdom |
United States |
Austria |
Bulgaria |
Czechia |
Denmark |
France |
Greece |
Italy |
Netherlands |
Norway |
Poland |
Portugal |
Romania |
Spain |
Sweden |
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E.8.7 | Trial has a data monitoring committee | Yes |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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End of study per protocol is defined as, the end of study assessments must be completed 30 days (± 4 days) following the last dose of study treatment. |
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 2 |
E.8.9.1 | In the Member State concerned months | 10 |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial years | 8 |
E.8.9.2 | In all countries concerned by the trial months | 6 |