| E.1 Medical condition or disease under investigation |
| E.1.1 | Medical condition(s) being investigated |
| Advanced solid tumors (other than Urothelial tumors), and FGFR gene alterations. |
|
| E.1.1.1 | Medical condition in easily understood language |
| Advanced solid tumors (other than Urothelial tumors), and FGFR gene alterations. |
|
| 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 | 21.1 |
| E.1.2 | Level | LLT |
| E.1.2 | Classification code | 10065143 |
| E.1.2 | Term | Malignant solid tumour |
| E.1.2 | System Organ Class | 100000004864 |
|
| 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 |
| To evaluate the efficacy of erdafitinib in terms of overall response rate (ORR) as assessed by the Independent Review Committee (IRC) in subjects with advanced solid tumors with target FGFR mutations and any gene fusions (Broad Panel Cohort), or in a pre-specified subgroup of subjects with a selected panel of FGFR markers (Core Panel Cohort), or in both cohorts |
|
| E.2.2 | Secondary objectives of the trial |
- To evaluate the efficacy of erdafitinib, in terms of the ORR, as assessed by investigator
- To evaluate the efficacy of erdafitinib in terms of DOR
- To evaluate other measures of efficacy including DCR, PFS, and OS
- To evaluate erdafitinib PK
- To evaluate Health-Related Quality of Life |
|
| E.2.3 | Trial contains a sub-study | No |
| E.3 | Principal inclusion criteria |
1. ≥12 years of age
2. Criterion amended per Amendment 1:
2.1 Histologic demonstration of an unresectable, locally advanced, or metastatic solid tumor malignancy bearing an FGFR mutation or fusion, as determined by local* or central laboratory screening (Section 8.1.1.1). Note that central creening for breast cancer is limited to women with hormone-sensitive (ie, estrogen positive [ER]/progesterone positive [PR]) breast cancer
*Subjects with target FGFR mutations or any** FGFR gene fusions are eligible for enrollment in the Broad Panel Cohort (The List of Target FGFR Mutations is provided in Section 10.11)
*Subjects with other FGFR mutations not captured in the Broad Panel Cohort are eligible for enrollment in the Exploratory Cohort
*local testing from tissue or blood with NGS tests performed in Clinical laboratory Improvement Amendments (CLIA)-certified or equivalent laboratories or results from commercially available NGS tests
**FGFR gene fusions must have an intact FGFR kinase domain (include exon 16, 17, or 18). FGFR gene identifiers are provided below for reference (see protocol)
3. Measurable disease according to RECIST v1.1 or RANO for primary brain tumors
4. Subject must have received at least one prior line of systemic therapy in the metastatic setting
5. Subject does not have standard of care options that have shown meaningful clinical benefit for the relevant underlying histology and line of therapy or the subject is unable to tolerate the therapy
6. Documented progression of disease, defined as any progression that requires a change in treatment, prior to full study screening
7. Toxicities from previous anticancer therapies should have resolved to baseline levels or to Grade 1 or less except for alopecia, peripheral neuropathy, and Grade 2 laboratory values eligible per Inclusion Criterion 9.
8. For adults (≥18 years of age), ECOG performance status Grade 0 or 1 (Section 10.5)
For adolescents (≥12 to <16 years of age), Lansky Score of ≥80 (Section 10.6).
For adolescents (≥16 to <18 years of age), Karnofsky Score of ≥80 (Section 10.6).
9. Criterion amended per Amendment 1
9.1. Adequate bone marrow, liver, and renal function:
a. Bone marrow function (without the support of cytokines or erythropoiesis-stimulating agent in preceding 2 weeks):
-Asolute neutrophil count (ANC) ≥ 1,000/mm3
-Patelet count ≥ 75,000/mm3
-Hemoglobin ≥ 8.0 g/dL
b. Liver function:
-Total bilirubin ≤1.5 x institutional ULN OR direct bilirubin ≤ULN for subjects with total bilirubin levels >1.5xULN
-Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤2.5x nstitutional ULN or ≤5x institutional ULN for subjects with liver metastases
c. Renal function: Creatinine clearance >30 mL/min/1.73m2 either directly measured via 24-hour urine collection or calculated using the Cockcroft-Gault formula for adult subjects or the CKiD (Chronic Kidney Disease in Children)Schwartz formula for adolescent subjects (Section 10.7)
d. Phosphate: <ULN within 14 days of treatment and prior to Cycle 1 Day 1 medical management allowed)
10. Must sign an ICF (or their legally acceptable representative must sign) indicating that he or she understands the nature, significance, and purpose of the study, and procedures required for the study, and consequence of the study; and is willing to participate in the study. For adolescent subjects, parent(s) (preferably both if available or as per local requirements) (or their legally acceptable representative) must sign an ICF indicating that he or she understands the purpose of, and procedures required for, the study and is willing to allow the child to participate in the study. Assent is also required of adolescent subjects as described in Informed Consent Process in Section 10.3,
Regulatory, Ethical, and Study Oversight Considerations.
11. A female of childbearing potential must have a negative pregnancy test (β-human chorionic gonadotropin [hCG]) at Screening (urine or serum).
12. Criterion amended per Amendment 1
12.1.Contraceptive use by male or female subjects should be consistent with local regulations regarding the use of contraceptive methods for subject participating in clinical studies.
For females of childbearing potential (defined as: fertile, following menarche and until becoming post-menopausal unless permanently sterile [for the purpose of this study]. Permanent sterilization methods include hysterectomy, bilateral salpingectomy and bilateral oophorectomy).
Please refer to protocol section 5.1 for continuation of criterium 12 |
|
| E.4 | Principal exclusion criteria |
1. Has had prior chemotherapy, targeted therapy, or treatment with an investigational anticancer agent within 30 days or ≤5 half-lives of the agent (whichever is longer) before the first dose of erdafitinib. Has had prior immunotherapy within 30 days before the first dose of erdafitinib and/or has an ongoing Grade ≥2 immunotherapyrelated toxicity
2. The presence of FGFR gatekeeper and resistance alterations. Mutations in the following positions: FGFR1 V561; FGFR2 V564; FGFR2 N549; FGFR3 V555; and FGFR4 V550
3. Criterion amended per Amendment 1
3.1. For NSCLC subjects only - pathogenic somatic mutations or gene fusions in the following genes: EGFR, ALK, ROS1, NTRK, and BRAF V600E (PIK3CA and PTEN alteration status must be known at the time of enrollment for retrospective data analysis)
4. Histologic demonstration of transitional cell carcinoma of the urothelium (ie, bladder cancer)
5. Hematologic malignancy (ie, myeloid and lymphoid neoplasms)
6. Active malignancies other than for disease requiring therapy
7. Symptomatic central nervous system metastases (except for subjects with primary CNS tumors)
8. Received prior FGFR inhibitor treatment
9. Known allergies, hypersensitivity, or intolerance to erdafitinib or its excipients.
10. Current central serous retinopathy (CSR) or retinal pigment epithelial detachment of any grade.
11. Criterion amended per Amendment 1
11.1. History of uncontrolled cardiovascular disease include:
-Unstable angina, myocardial infarction, ventricular fibrillation, Torsades de Pointes, cardiac arrest, or known congestive heart failure Class III-V (Section 10.8) within the preceding 3 months; cerebrovascular accident or transient ischemic attack within the preceding 3 months
-QTc prolongation (Fridericia: QTc >480 milliseconds; or for adolescent subjects, Bazett: QTc >440 milliseconds)
12. Known history of AIDS (human immunodeficiency virus (HIV) infection), unless the subject has been on a stable anti-retroviral therapy regimen for the last 6 months or more, has had no opportunistic infections in the last 6 months, and has CD4 count >350.
13. Criterion amended per Amendment 1
13.1. 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)
14. Not recovered from reversible toxicity of prior anticancer therapy (except toxicities which are not clinically significant such as alopecia, skin discoloration, neuropathy, hearing loss).
15. Impaired wound healing capacity defined as skin/decubitus ulcers, chronic leg ulcers, known gastric ulcers, or unhealed incisions.
16. Major surgery within 4 weeks before first dose of erdafitinib.
17. Palliative radiation within 2 weeks before the first dose of erdafitinib.
18. Pregnant, or breast-feeding, or planning to become pregnant while enrolled in this study or within 3 months after the last dose of drug.
19. Plans to father a child while enrolled in this study or within 3 months after the last dose of drug.
20. Any condition for which, in the opinion of the investigator, participation would not be in the best interest of the subject (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. |
|
| E.5 End points |
| E.5.1 | Primary end point(s) |
| The proportion of subjects who achieve a complete response (CR) or partial response (PR) based on RECIST v1.1. or RANO as assessed by IRC |
|
| E.5.1.1 | Timepoint(s) of evaluation of this end point |
|
| E.5.2 | Secondary end point(s) |
- The proportion of subjects who achieve a CR or PR based on RECIST v1.1. or RANO as assessed by investigator
- DOR: the duration from the date of initial documentation of a response to the date of first documented evidence of progressive disease (or relapse for subjects who experience CR during the study) or death, whichever comes first. Data from subjects who are progression-free and alive or have unknown status will be censored at the last tumor assessment
- DCR: the proportion of subjects with CR, PR or SD
- PFS: the duration from the date of the first dose of study drug until the date of first documented evidence of progressive disease (or relapse for subjects who experience CR during the study) or death, whichever comes first. Data from subjects who are progression-free and alive or have unknown status will be censored at the last tumor assessment
- OS: measured from the date of first dose of study drug to the date of the subject’s death. If the subject is alive or the vital status is unknown, the subject’s data will be censored at the date the subject was last known to be alive
- PK exposure parameters derived using existing population PK model
- Incidence and severity of AEs
- Change from baseline in patient-reported health status and physical functioning scales of the EORTC-QLQ-C30, PGIS, PGIC, and EQ-5D-5L. |
|
| E.5.2.1 | Timepoint(s) of evaluation of this end point |
|
| 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 | No |
| 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 |
| Biomarkers, PROs, Medical Resource Utilization |
|
| 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 | 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) | No |
| 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
| 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 | 9 |
| E.8.5 | The trial involves multiple Member States | Yes |
| E.8.5.1 | Number of sites anticipated in the EEA | 65 |
| 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 |
| Australia |
| Belgium |
| Brazil |
| China |
| France |
| Germany |
| Italy |
| Japan |
| Korea, Republic of |
| Poland |
| Spain |
| Taiwan |
| United Kingdom |
| United States |
|
| E.8.7 | Trial has a data monitoring committee | No |
| 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
|
| The end of study is defined as 4 years from enrollment of the last subject into the study or the last follow-up visit of the last patient, whichever occurs first. |
|
| E.8.9 Initial estimate of the duration of the trial |
| E.8.9.1 | In the Member State concerned years | 5 |
| E.8.9.1 | In the Member State concerned months | 7 |
| E.8.9.1 | In the Member State concerned days | 5 |
| 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 | 0 |
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