| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated | 
| Relapsed or Refractory Multiple Myeloma |  | 
| E.1.1.1 | Medical condition in easily understood language |  | 
| 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 | 10028228 |  
| E.1.2 | Term | Multiple myeloma |  
| E.1.2 | System Organ Class | 100000004864 |  | 
| 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 | 
| compare efficacy of 56 mg/m2 carfilzomib administered
 once-weekly in combination with
 lenalidomide and dexamethasone
 (KRd 56 mg/m2) to
 27 mg/m2 carfilzomib administered
 twice-weekly in combination with
 lenalidomide and dexamethasone
 (KRd 27 mg/m2) in subjects with
 RRMM with 1 to 3 prior lines of
 therapy
 |  | 
| E.2.2 | Secondary objectives of the trial | 
| *compare progression-free survival (PFS) between treatment arms
 *compare patient-reported
 convenience with carfilzomib-dosing
 schedule between treatment arms
 |  | 
| E.2.3 | Trial contains a sub-study | No | 
| E.3 | Principal inclusion criteria | 
| *Subject has provided informed consent prior to initiation of any studyspecific activities or procedures or subject's legally acceptable representative has provided informed consent prior to any study-specific activities/procedures being initiated when the subject has any kind of condition that, in the opinion of the Investigator, may compromise the ability of the subject to give written informed consent.
 *Males or females ≥ 18 years of age.
 *Documented relapse or progressive multiple myeloma after last treatment Subjects refractory to the most recent line of therapy are eligible, unless last treatment contained PI or lenalidomide and dexamethasone).
 *Subjects must have at least PR to at least 1 line of prior therapy.
 *Subjects must have received at least 1 but not more than 3 prior lines of therapy for multiple myeloma (induction therapy followed by stem cell transplant and consolidation maintenance therapy will be considered as 1 line of therapy). See Section 12.8 for guidelines for documenting prior treatment.
 * Prior therapy with a PI is allowed if the patient achieved at least a PR to the most recent therapy with a PI, did not relapse within 60 days of discontinuation, and PI was no removed due to toxicity
 * Prior therapy with a lenalidomide and dexamethasone is allowed if the patient achieved at least a PR to the most recent therapy with lenalidomide and dexamethasone, did not progress within 3 months of a lenalidomide and dexamethasone-containing treatment, did not relapse within 60 days of discontinuation of treatment, and treatment was no removed due to toxicity
 • History of prior neuropathy is permitted if not exceeding grade 2 which has either resolved within 14 days of enrollment or if ongoing is ≤ grade 1),
 • Patients are permitted to have received single agent lenalidomide as maintenance therapy during the 6-months prior to first study treatment.
 * Measurable disease with at least 1 of the following assessed within 28 days prior to randomization:
 • IgG multiple myeloma: serum monoclonal protein (M-protein) level ≥ 1.0 g/dL
 • IgA, IgD, IgE multiple myeloma: serum M-protein level ≥ 0.5 g/dL
 • urine M-protein ≥ 200 mg per 24 hours
 • in subjects without measurable serum or urine M-protein, serum-free light chain (SFLC) ≥ 100 mg/L (involved light chain) and an abnormal serum kappa lambda ratio
 *Eastern Cooperative Oncology Group Performance Status (ECOG PS) of 0 ≤ 2 (see Section 12.9).
 |  | 
| E.4 | Principal exclusion criteria | 
| Disease-related *Waldenström macroglobulinemia.
 *Multiple myeloma of IgM subtype.
 *POEMS syndrome (polyneuropathy, organomegaly, endocrinopathy,
 monoclonal
 protein, and skin changes).
 *Plasma cell leukemia (> 2.0 × 109/L circulating plasma cells by
 standard
 differential).
 *Primary amyloidosis (patients with multiple myeloma with
 asymptomatic
 deposition of amyloid plaques found on biopsy would be eligible if all
 other
 criteria are met).
 *Myelodysplastic syndrome.
 Other Medical Conditions
 *History of other malignancy within the past 5 years, with the following
 exceptions:
 • Malignancy treated with curative intent and with no known active
 disease
 present for ≥ 3 years before enrollment and felt to be at low risk for
 recurrence by the treating physician
 • Adequately treated non-melanoma skin cancer or lentigo maligna
 without
 evidence of disease
 • Adequately treated cervical carcinoma in situ without evidence of
 disease
 • Adequately treated breast ductal carcinoma in situ without evidence of
 disease
 • Prostatic intraepithelial neoplasia without evidence of prostate cancer
 • Adequately treated urothelial papillary noninvasive carcinoma or
 carcinoma in
 situ
 • Treated medullary or papillary thyroid cancer
 • Similar neoplastic conditions with an expectation of > 95% 5-year
 disease-free survival
 * Known HIV infection, hepatitis C infection (subjects with hepatitis C
 that achieve
 a sustained virologic response after antiviral therapy are allowed), or
 hepatitis B
 infection (subjects with hepatitis B surface antigen or core antibody that
 achieve
 sustained virologic response with antiviral therapy are permitted with a
 requirement for regular monitoring for reactivation for the duration of
 treatment on the study).
 *Ongoing graft-vs-host disease.
 *Acute active infection requiring systemic antibiotics, antifungal,
 antiviral (except
 antiviral therapy directed at hepatitis B) agents within 14 days prior to
 randomization.
 *Known cirrhosis.
 *Significant neuropathy (grades 3 to 4, or grade 2 with pain) within 14
 days prior
 to randomization.
 *Subjects with pleural effusions requiring thoracentesis or ascites
 requiring
 paracentesis within 14 days prior to randomization.
 Cardiopulmonary Conditions
 * Uncontrolled hypertension, defined as subject whose blood pressure
 exceeds ≥ 160 mmHG - systolic or ≥ 100mmHg diastolic when taken in
 accordance with the European Society of hypertensions/European
 Society of cardiology 2018 guidelines. (Section 12.10; Williams et al,
 2018).
 *Active congestive heart failure (New York Heart Association Class III to
 IV),
 symptomatic ischemia, uncontrolled arrhythmias, screening ECG with
 corrected
 QT interval (QTc) of > 470 msec, pericardial disease, or myocardial
 infarction
 within 4 months prior to randomization.
 *Intolerance to hydration due to pre-existing pulmonary or cardiac
 impairment.
 *History of interstitial lung disease or ongoing interstitial lung disease.
 Prior/Concomitant Therapy
 *Immunotherapy within 28 days prior to randomization.
 *Monoclonal antibody therapy within 28 days prior to randomization.
 *Chemotherapy with approved anticancer therapeutic within 28 days
 prior to
 randomization.
 *Glucocorticoid therapy within 14 days prior to randomization that
 exceeds a
 cumulative dose of 160 mg of dexamethasone or equivalent dose of
 other corticosteroids.
 *Focal radiation therapy within 7 days prior to randomization. Radiation
 therapy to
 an extended field involving a significant volume of bone marrow within
 28 days
 prior to randomization (ie, prior radiation must have been to < 30% of
 the bone
 marrow).
 *Major surgery (except kyphoplasty) within 28 days prior to
 randomization.
 *Autologous or allogeneic stem cell transplant within 90 days prior to
 randomization.
 *Contraindication or intolerance to lenalidomide, dexamethasone, or
 carfilzomib.
 *Known history of allergy to Captisol (a cyclodextrin derivative used to
 solubilize
 carfilzomib).
 *Subject has known hypersensitivity to any of the products or
 components to be
 administered during dosing, including hypersensitivity to antiviral drugs.
 Prior/Concurrent Clinical Study Experience
 *Currently receiving treatment in another investigational device or drug
 study, or
 < 28 days since ending treatment on another investigational device or
 drug
 study(ies).
 Organ Function Assessments
 * Hepatic dysfunction within 28 days prior to randomization:
 • direct bilirubin ≥ 1.5x the upper limit of normal (ULN)
 • aspartate aminotransferase (AST) or alanine aminotransferase (ALT)
 ≥ 2.5 x ULN
 *Left ventricular ejection fraction < 40% assessed by transthoracic
 echocardiogram (ECHO).
 *Absolute neutrophil count (ANC) < 1 x 109/L within 28 days prior to
 randomization. Screening ANC should be independent of growth factor
 support
 for ≥ 1 week.
 |  | 
| E.5 End points | 
| E.5.1 | Primary end point(s) | 
| overall response (OR, defined as the proportion of best overall response of stringent complete response [sCR], complete response [CR], very good partial response [VGPR], and partial response [PR] per International Myeloma Working Group Uniform Response Criteria [IMWG-URC]) over the duration of the study |  | 
| E.5.1.1 | Timepoint(s) of evaluation of this end point | 
| Over the duration of the study |  | 
| E.5.2 | Secondary end point(s) | 
| * PFS over the duration of the study *convenience as measured by the
 Patient-reported Convenience With
 Carfilzomib-dosing Schedule Question
 after cycle 4 of treatment
 |  | 
| E.5.2.1 | Timepoint(s) of evaluation of this end point | 
| *1-year PFS *convenience as measured by the
 Patient-reported Convenience With
 Carfilzomib-dosing Schedule Question
 after cycle 4 of treatment
 |  | 
| 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 | No | 
| E.6.12 | Pharmacoeconomic | No | 
| E.6.13 | Others | No | 
| E.7 | Trial type and phase | 
| E.7.1 | Human pharmacology (Phase I) | No | 
| E.7.1.1 | First administration to humans | No | 
| E.7.1.2 | Bioequivalence study | No | 
| E.7.1.3 | Other | No | 
| E.7.1.3.1 | Other trial type description |  | 
| E.7.2 | Therapeutic exploratory (Phase II) | No | 
| E.7.3 | Therapeutic confirmatory (Phase III) | Yes | 
| E.7.4 | Therapeutic use (Phase IV) | No | 
| E.8 Design of the trial | 
| E.8.1 | Controlled | Yes | 
| E.8.1.1 | Randomised | Yes | 
| 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) | Yes | 
| E.8.2.2 | Placebo | No | 
| E.8.2.3 | Other | No | 
| E.8.2.4 | Number of treatment arms in the trial | 2 | 
| 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 | 115 | 
| 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 | 
| Canada |  
| Japan |  
| United States |  
| Austria |  
| Finland |  
| France |  
| Lithuania |  
| Sweden |  
| Bulgaria |  
| Netherlands |  
| Romania |  
| Spain |  
| Czechia |  
| Germany |  
| Greece |  
| Russian Federation |  
| Slovakia |  
| Turkey |  | 
| 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 |  | 
| 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 | 11 | 
| E.8.9.1 | In the Member State concerned days | 0 | 
| E.8.9.2 | In all countries concerned by the trial years | 4 | 
| E.8.9.2 | In all countries concerned by the trial months | 0 | 
| E.8.9.2 | In all countries concerned by the trial days | 0 |