E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Cohort 1 and 2: High Risk Non-Muscle-Invasive Bladder Cancer (NMIBC) with FGFR Mutations or Fusions Cohort 3 Intermediate Risk Non-Muscle-Invasive Bladder Cancer (NMIBC) with FGFR Mutations or Fusions
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E.1.1.1 | Medical condition in easily understood language |
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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 | 20.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10005003 |
E.1.2 | Term | Bladder cancer |
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 | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
Cohort 1 only: -To evaluate RFS in subjects treated with erdafitinib vs Investigator’s Choice, for subjects with high-risk NMIBC who harbor FGFR mutations or fusions, and who recurred after BCG therapy |
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E.2.2 | Secondary objectives of the trial |
Cohort 1 only: -To evaluate other measures of efficacy
All cohorts: -To evaluate erdafitinib PK -To evaluate safety and tolerability of erdafitinib
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. ≥18 yrs of age (or the legal age of consent in the jurisdiction in which the study is taking place). 2. Histologically confirmed, recurrent, non-muscle-invasive urothelial carcinoma of the bladder. a. Histopathology: any urothelial cell carcinoma (UCC) variant (ie, UCC with squamous and/or glandular differentiation, micropapillary, nested, plasmacytoid, neuroendocrine, sarcomatoid) are allowed. Presence of any lymphovascular invasion (LVI) will be considered as evidence of high risk. b.Papillary disease (Cohort 1) must be high-risk disease, defined high-grade disease Ta/T1 lesion. Additionally, subjects must have all visible tumor resected completely prior to randomization and documented at baseline cystoscopy. Negative cytology for high-grade urothelial carcinoma is required before randomization. c.CIS (Cohort 2) is not expected to be completely excised, but concurrent papillary disease must be completely excised before enrollment and documented at baseline cystoscopy. Urine cytology is not expected to be negative for malignant cells. d.Marker Lesion (Cohort 3) must have recurrent intermediate-risk disease with all previous tumors being low grade (G1-G2), Ta or T1, and no previous CIS. Additionally, subjects must have a risk of progression less than 5% in the next 2 yrs and a risk of recurrence greater than 50%, calculated using the EORTC risk calculator. All tumors must be removed except for a single untouched 5 to 10 mm lesion (Marker Lesion). 3.Criterion modified per Amendment 2 3.1 Criterion modified per Amendment 3 3.2 At least 1 of the following tumor FGFR mutations or fusions as determined by local or central testing : see table in protocol 4. Criterion modified per Amendment 1. 4.1. 4a. BCG-unresponsive. BCG-unresponsive subjects must meet at least one of the following: i. Persistent or recurrent CIS alone or with recurrent Ta/T1 (noninvasive papillary disease/tumor invades the subepithelial connective tissue) disease within 12m of completion of adequate BCG therapy (Cohort 2 only) ii. Recurrent high-grade Ta/T1 disease within 6m of completion of adequate BCG therapy iii. T1 high-grade at the first disease assessment following an induction BCG course Adequate BCG (Minimum Treatment Requirements) 1) At least 5 of 6 full doses of an initial induction course plus at least 1 maintenance (2 of 3 weekly full doses) in a 6m period OR 2) At least 5 of 6 full doses of an initial induction course plus at least 2 of 6 full doses of a second induction course.
4b BCG Experienced. BCG experienced subjects must meet the following: i. Recurrent high-grade Ta/T1 disease within 12m of completion of BCG therapy Prior BCG (Minimum Treatment Requirements) 1) At least 5 of 6 full doses of an initial induction course 2) OR 3) At least 5 of 6 full doses of an initial induction course plus at least 1 maintenance (2 of 3 weekly doses) in a 6m period. One-half dose or one-third dose is allowed during maintenance 5. Refuses or is not eligible for cystectomy (Cohort 1 and Cohort 2 only) 6. Eastern Cooperative Oncology Group (ECOG) performance status Grade 0 or 1 7.Criterion modified per Amendment 2 7.1 Criterion modified per Amendment 4 7.2 Adequate bone marrow, liver, and renal function: a. Bone marrow function (without the support of cytokines or erythropoiesis-stimulating agent in preceding 2wks): i. Absolute neutrophil count (ANC) ≥1,000/mm3 ii. Platelet count ≥75,000/mm3 iii. Hemoglobin ≥8.0 g/dL b. Liver function: i. Total bilirubin ≤1.5 x institutional ULN OR direct bilirubin ≤ULN for subjects with total bilirubin levels >1.5xULN ii. Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤2.5x institutional ULN c. Renal function: Creatinine clearance >30 mL/min calculated using the Cockcroft-Gault formula. d. Phosphate: <ULN within 14 days before the first dose of study drug on Cycle 1 Day 1 (medical management allowed) 8. Must sign an informed consent form (ICF) (or their legally acceptable representative must sign) indicating that he or she understands the purpose of, and procedures required for, the study and is willing to participate in the study. 9. A woman of childbearing potential must have a negative pregnancy test (β-hCG) (urine or serum) within 7 days before randomization (Cohort 1) or the first dose of study drug (Cohort 2 and Cohort 3). 10.Criterion modified per Amendment 2 10.1. Contraceptive use by men or women should be consistent with local regulations regarding the use of contraceptive methods for subjects participating in clinical studies. a. For women of childbearing potential (defined as: fertile, following menarche and until becoming postmenopausal unless permanently sterile) -> see protocol b. For men who are sexually active with women of childbearing potential: -> see protocol |
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E.4 | Principal exclusion criteria |
1. Histologically confirmed, muscle-invasive (T2 or higher stage) urothelial carcinoma of the bladder 2. Histopathology demonstrating any small cell component, pure adenocarcinoma, pure squamous cell carcinoma, or pure squamous CIS of the bladder 3. Prior treatment with an FGFR inhibitor 4. Active malignancies (ie, progressing or requiring treatment change in the last 24 months) other than the disease being treated under study. The only allowed exceptions are: a. skin cancer treated within the last 24 months that is considered completely cured b. adequately treated lobular carcinoma in situ (LCIS) and ductal CIS c. history of localized breast cancer and receiving antihormonal agents, or history of localized prostate cancer (N0M0) and receiving androgen deprivation therapy 5. Current central serous retinopathy or retinal pigment epithelial detachment of any grade 6. History of uncontrolled cardiovascular disease including: a. any of the following in the preceding 3 months: unstable angina, myocardial infarction, ventricular fibrillation, Torsades de Pointes, cardiac arrest, or known congestive New York Heart Association Class III-IV heart failure, cerebrovascular accident, or transient ischemic attack. b. QTc prolongation as confirmed by ECG assessment at screening (Fridericia; QTc >480 milliseconds). c. Pulmonary embolism or other venous thromboembolism within the preceding 2 months. 7. Criterion modified per Amendment 1. 7.1. Known human immunodeficiency virus (HIV) infection, unless the subject has been on a stable anti-retroviral therapy regimen for the last 6 months or more and has had no opportunistic infections and a CD4 count >350 in the last 6 months. 8. Criterion modified per Amendment 1. 8.1. Evidence of active hepatitis B or C infection (for example, subjects with history of hepatitis C infection but normal hepatitis C virus polymerase chain reaction test and subjects with hepatitis B with positive HBsAg antibody are allowed). 9. Not recovered from toxicity of prior anticancer therapy (except toxicities which are not clinically significant such as alopecia, skin discoloration, neuropathy, hearing loss) 10. Impaired wound healing capacity defined as skin/decubitus ulcers, chronic leg ulcers, known gastric ulcers, or unhealed incisions 11. Major surgery within 4 weeks before Cycle 1 Day 1 (TURBT is not considered major surgery) 12. Criterion modified per Amendment 2 12.1 Severe hypocalcemia (corrected serum calcium of <7 mg/dl), acute and unhealed bone fractures, known underlying bone disease, or at an increased risk of bone fracture. In addition,any condition for which, in the opinion of the investigator, participation would not be in the best interest of the subjects (eg, compromise the well-being) or that could prevent, limit, or confound the protocol-specified assessments. Examples include ongoing active infection requiring systemic therapy and uncontrolled ongoing medical conditions. 13. Criterion deleted per Amendment 3 from the main study. Added the Use of strong CYP3A4 inhibitors or inducers or moderate CYP3A4 inducers within 14 days or 5 half-lives (whichever is longer) before the first dose of study drug to exclusion criteria of DDI substudy". 14.Criterion added per Amendment 2 As determined by the investigator, contraindications to the use of gemcitabine or MMC/hyperthermic MMC (Cohort 1) per local prescribing information 15.Criterion added per Amendment 3 Treatment with any other investigational agent within 30 days prior to randomization. |
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E.5 End points |
E.5.1 | Primary end point(s) |
Recurrence-free survival (RFS) |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
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E.5.2 | Secondary end point(s) |
1. Time to progression 2. OS 3. RFS rate at 6 and 12 months
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
1. Throughout the study 2. Throughout the study 3. At 6 and 12 months
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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 | No |
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 | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | Yes |
E.6.13.1 | Other scope of the trial description |
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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) | 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 | 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
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 10 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 56 |
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 |
Argentina |
Taiwan |
Australia |
Brazil |
China |
India |
Japan |
Korea, Republic of |
United Kingdom |
United States |
Belgium |
Czechia |
France |
Germany |
Italy |
Poland |
Spain |
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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 trial is when the last subject receives the last dose of study drug on the study, including administration in the LTE Phase
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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 | 6 |
E.8.9.1 | In the Member State concerned months | 2 |
E.8.9.1 | In the Member State concerned days | 27 |
E.8.9.2 | In all countries concerned by the trial years | 6 |
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 | 15 |