Urothelial Carcinoma
Conditions
Brief summary
The purpose of this study is to: (a) characterize the safety and tolerability of and to identify the recommended Phase 2 dose (RP2D) and schedule for erdafitinib in combination with cetrelimab, and for erdafitinib in combination with cetrelimab and platinum (cisplatin and carboplatin) chemotherapy and; (b) to evaluate the safety and clinical activity of erdafitinib alone and in combination with cetrelimab in cisplatin-ineligible participants with metastatic or locally advanced urothelial cancer (UC) with select fibroblast growth factor receptor (FGFR) gene alterations and no prior systemic therapy for metastatic disease.
Detailed description
This open-label (all people know identity of intervention) and multicenter (when more than one hospital or medical school team work on a medical research study) study to establish the recommended phase 2 dose (RP2D) for erdafitinib and cetrelimab and/or platinum (cisplatin or carboplatin) chemotherapy, and to evaluate the safety of erdafitinib in combination with cetrelimab and platinum chemotherapy in Phase 1b and to evaluate the safety and efficacy of the RP2D of erdafitinib plus cetrelimab versus erdafitinib in Phase 2 in participants with advanced urothelial cancer with select fibroblast growth factor receptor (FGFR) gene alterations. Participants enrolled in Phase 1b erdafitinib + cetrelimab cohort may have received any number of lines of prior therapy, and participants enrolled in Phase 1b erdafitinib + cetrelimab + platinum chemotherapy cohort will have had no prior systemic therapy for metastatic disease and participants enrolled in Phase 2 will have had no prior systemic therapy for metastatic disease and will be cis-ineligible. Part 1 (Phase 1b: Dose Escalation) will identify safety and RP2Ds of erdafitinib + cetrelimab and erdafitinib + cetrelimab + platinum (cisplatin or carboplatin) chemotherapy, and Part 2 (Phase 2: Dose Expansion) will evaluate erdafitinib monotherapy and the RP2D regimen of the erdafitinib + cetrelimab combination to further characterize safety and clinical activity. The study will be conducted in 3 phases: screening phase, treatment phase, and follow-up phase. Study evaluations include efficacy, pharmacokinetics, pharmacodynamics, immunogenicity, biomarkers, and safety.
Interventions
Participants will receive erdafitinib orally.
Participants will receive cetrelimab by intravenous infusion.
Participants will receive cisplatin by intravenous infusion as a part of platinum chemotherapy.
Participants will receive carboplatin by intravenous infusion as a part of platinum chemotherapy.
Sponsors
Study design
Eligibility
Inclusion criteria
* Histologic demonstration of transitional cell carcinoma of the urothelium. Variant urothelial carcinoma histologies such as glandular or squamous differentiation, or evolution to more aggressive phenotypes such as sarcomatoid or micropapillary change are acceptable * Metastatic or locally advanced urothelial cancer * Must have measurable disease by radiological imaging according to the Response Evaluation Criteria in Solid Tumors (RECIST, version 1.1) at baseline * Prior systemic therapy for metastatic urothelial cancer: (a) For Phase 1b erdafitinib + cetrelimab cohort: Any number of lines of prior therapy; (b) For Phase 1b erdafitinib + cetrelimab + platinum chemotherapy cohort: No prior systemic therapy for metastatic disease; and renal function for participants must have a creatinine clearance (CrCl) greater than (\>) 30 milliliter per minute (mL/min) to receive carboplatin and \>60 mL/min to receive cisplatin as calculated by Cockcroft Gault and (c) Phase 2: No prior systemic therapy for metastatic disease and cisplatin-ineligible based on: ECOG PS 0-1 and at least one of the following criteria: Renal function defined as creatinine clearance (CrCl) less than (˂) 60 mL/min as calculated by Cockcroft-Gault; Grade 2 or higher peripheral neuropathy per NCI-CTCAE version 5.0; Grade 2 or higher hearing loss per NCI-CTCAE version 5.0 OR ECOG PS 2 * Eastern Cooperative Oncology Group (ECOG) performance status (PS) grade of: (a) Phase 1b erdafitinib + cetrelimab cohort: ECOG 0-2; (b) Phase 1b erdafitinib + cetrelimab + platinum chemotherapy cohort: ECOG 0-1 for cisplatin and 0-2 for carboplatin (c) Phase 2: ECOG 0-2
Exclusion criteria
* Treatment with any other investigational agent or participation in another clinical study with therapeutic intent within 30 days prior to Cycle 1 Day 1. For Phase 1b, participants who have received the following prior antitumor therapy: received nitrosoureas and mitomycin C within 6 weeks * Phase 1b erdafitinib + cetrelimab cohort: Chemotherapy within 3 weeks of Cycle 1 Day 1; Phase 1b erdafitinib + cetrelimab + platinum chemotherapy cohort and Phase 2: Prior neoadjuvant/adjuvant chemotherapy is allowed if the last dose was given \>12 months prior to recurrent disease progression and did not result in drug-related toxicity leading to treatment discontinuation * Prior anti-programmed death receptor-1 (PD-1), anti-programmed death ligand-1 (PD-L1), or anti-programmed death ligand-2 (PD-L2) therapy. Prior neoadjuvant/adjuvant checkpoint inhibitor therapy is allowed if the last dose was given more than (\>)12 months prior to recurrent disease progression and did not result in drug-related toxicity leading to treatment discontinuation. PD-1 for non-muscle invasive bladder cancer is also allowed * Active malignancies requiring concurrent therapy other than urothelial cancer * Symptomatic central nervous system metastases
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Phase 1b: Number of Participants With Dose-Limiting Toxicity (DLTs) | Up to 8 weeks | Number of participants with DLTs were reported. The DLTs as per National Cancer Institute Common Terminology Criteria for Adverse Events Version 5.0 (NCI-CTCAE version 5.0) are specific adverse events defined as grade 3 (severe), grade 4 (life-threatening), and grade 5 (death) non-hematological toxicity or hematological toxicity. |
| Phase 2: Objective Response Rate (ORR) Per Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 by Investigator Assessment | From Day 1 up to 36 months | ORR is defined as the percentage of participants who achieved confirmed complete response (CR) or confirmed partial response (PR), according to response evaluation criteria in solid tumors (RECIST) version1.1. As per RECIST version 1.1, CR: disappearance of all lesions; all lymph nodes were non-pathological in size and normalization of tumor marker level; PR: greater than or equal to (\>=) 30 percent (%) decrease in the sum of the diameters of all target lesions compared with baseline, in absence of new lesions or unequivocal progression of nontarget lesions. |
| Phase 2: Number of Participants With Treatment-emergent Adverse Event (TEAEs) | From Day 1 up to 36 months | Number of participants with TEAEs were reported. An adverse event is any untoward medical event that occurs in a participant administered an investigational product and it does not necessarily indicate only events with clear causal relationship with the relevant investigational product. TEAEs were defined as adverse events with onset or worsening on or after date of first dose of study treatment. |
Secondary
| Measure | Time frame |
|---|---|
| Phase 1b and Phase 2: Plasma Concentration of Erdafitinib | Up to 6 years 1 month |
| Phase 1b and Phase 2: Serum Concentration of Cetrelimab | Up to 6 years 1 month |
| Phase 1b: Plasma Concentration of Platinum (Cisplatin and Carboplatin) Chemotherapy | Up to 6 years 1 month |
| Phase 1b and Phase 2: Number of Participants With Anti-Cetrelimab Antibodies | Up to 6 years 1 month |
| Phase 2: Number of Participants With Serious Adverse Events (SAEs) | Up to 6 years 1 month |
| Phase 2: Number of Participants With Abnormal Laboratory Values | Up to 6 years 1 month |
| Phase 2: Duration of Response (DoR) | Up to 6 years 1 month |
| Phase 2: Time to Response (TTR) | Up to 6 years 1 month |
| Phase 2: Progression-free Survival (PFS) | Up to 6 years 1 month |
| Phase 2: Overall Survival (OS) | Up to 6 years 1 month |
Countries
Belarus, Belgium, Brazil, France, Italy, Poland, Russia, South Korea, Spain, Taiwan, Turkey (Türkiye), United Kingdom, United States
Contacts
Janssen Research & Development, LLC
Participant flow
Participants by arm
| Arm | Count |
|---|---|
| Cohort Dose Level (DL) 1 (Phase 1b): Erdafitinib 6 Milligrams (mg) + Cetrelimab 240/480 mg Participants received an oral tablet of erdafitinib 6 mg once daily in 28-day cycle starting from Cycle 1 Day 1 followed by intravenous (IV) injection of cetrelimab 240 mg every 2 weeks in 28-day cycle starting from Cycle 1 Day 1 up to Cycle 4 Day 15. From Cycle 5 Day 1, all participants received an increased dose of cetrelimab 480 mg every 4 weeks in 28-day cycle until disease progression, unacceptable toxicity (based on investigator assessment), or another treatment discontinuation criterion was met. | 4 |
| Cohort DL2A (Phase 1b): Erdafitinib 8 mg + Cetrelimab 240/480 mg Participants received an oral tablet of erdafitinib 8 mg once daily in 28-day cycle starting from Cycle 1 Day 1 followed by IV injection of cetrelimab 240 mg every 2 weeks in 28-day cycle starting from Cycle 1 Day 1 up to Cycle 4 Day 15. From Cycle 5 Day 1, all participants received an increased dose of cetrelimab 480 mg every 4 weeks in 28-day cycle until disease progression, unacceptable toxicity (based on investigator assessment), or another treatment discontinuation criterion was met.. | 3 |
| Cohort DL2B (Phase 1b): Erdafitinib 8/9 mg + Cetrelimab 240/480 mg Participants received an oral tablet of erdafitinib 8 mg once daily in 28-day cycle starting from Cycle 1 Day 1 followed by IV injection of cetrelimab 240 mg every 2 weeks in 28-day cycle starting from Cycle 2 Day 1 up to Cycle 4 Day 15. Based on phosphate (PO4) levels, erdafitinib dose was up-titrated to 9 mg once daily starting from Cycle 1 Day 15. From Cycle 5 Day 1, all participants received an increased dose of cetrelimab 480 mg every 4 weeks in 28-day cycle until disease progression, unacceptable toxicity (based on investigator assessment), or another treatment discontinuation criterion was met. | 11 |
| Cohort DL2 (Phase 1b): Erdafitinib 8/9 mg + Cetrelimab 240/480 mg (RP2D) Participants received an oral tablet of recommended Phase 2 dose (RP2D) of erdafitinib 8 mg once daily in 28-day cycle starting from Cycle 1 Day 1 followed by IV injection of cetrelimab 240 mg every 2 weeks in 28-day cycle starting from Cycle 1 Day 1 up to Cycle 4 Day 15. Based on PO4 levels, erdafitinib dose was up-titrated to 9 mg, orally, once daily starting from Cycle 1 Day 15. From Cycle 5 Day 1, all participants received an increased dose of cetrelimab 480 mg every 4 weeks in 28-day cycle until disease progression, unacceptable toxicity (based on investigator assessment), or another treatment discontinuation criterion was met. | 12 |
| Cohort DL2C (Phase 1b): Erdafitinib 8 mg + Cetrelimab 360 mg + Cisplatin 50 mg/m^2 Participants received an oral tablet of erdafitinib 8 mg once daily in 28-day cycle starting from Cycle 1 Day 1 along with single dose of IV injection of cetrelimab 360 mg and cisplatin 50 milligrams per meter square (mg/m\^2) (chemotherapy) every 2 weeks in 28-day cycle starting from Cycle 1 Day 1 until disease progression, unacceptable toxicity (based on investigator assessment), or another treatment discontinuation criterion was met. | 3 |
| Cohort DL2D (Phase 1b): Erdafitinib 8 mg + Cetrelimab 360 mg + Carboplatin AUC 4 mg/mL/Min Participants received an oral tablet of erdafitinib 8 mg once daily in 28-day cycle starting from Cycle 1 Day 1 along with single dose of IV injection of cetrelimab 360 mg and carboplatin area under the curve (AUC) 4 milligrams per milliliter per minute (mg/mL/min) (chemotherapy) every 2 weeks in 28-day cycle starting from Cycle 1 Day 1 until disease progression, unacceptable toxicity (based on investigator assessment), or another treatment discontinuation criterion was met. | 3 |
| Arm A (Phase 2): Erdafitinib 8/9 mg Monotherapy Participants received an oral tablet of erdafitinib 8 mg once daily in 28-day cycle starting from Cycle 1 Day 1. Based on PO4 levels, erdafitinib dose was up-titrated to 9 mg, orally, once daily starting from Cycle 1 Day 15 until disease progression, unacceptable toxicity (based on investigator assessment), or another treatment discontinuation criterion was met. | 43 |
| Arm B (Phase 2): Erdafitinib 8 mg + Cetrelimab 240/480 mg Participants received an oral tablet of erdafitinib 8 mg once daily in 28-day cycle starting from Cycle 1 Day 1 followed by IV injection of cetrelimab 240 mg every 2 weeks in 28-day cycle starting from Cycle 1 Day 1 up to Cycle 4 Day 15. From Cycle 5 Day 1, all participants received an increased dose of cetrelimab 480 mg every 4 weeks in 28-day cycle until disease progression, unacceptable toxicity (based on investigator assessment), or another treatment discontinuation criterion was met. | 44 |
| Total | 123 |
Baseline characteristics
| Characteristic | Cohort Dose Level (DL) 1 (Phase 1b): Erdafitinib 6 Milligrams (mg) + Cetrelimab 240/480 mg | Cohort DL2A (Phase 1b): Erdafitinib 8 mg + Cetrelimab 240/480 mg | Cohort DL2B (Phase 1b): Erdafitinib 8/9 mg + Cetrelimab 240/480 mg | Cohort DL2 (Phase 1b): Erdafitinib 8/9 mg + Cetrelimab 240/480 mg (RP2D) | Cohort DL2C (Phase 1b): Erdafitinib 8 mg + Cetrelimab 360 mg + Cisplatin 50 mg/m^2 | Cohort DL2D (Phase 1b): Erdafitinib 8 mg + Cetrelimab 360 mg + Carboplatin AUC 4 mg/mL/Min | Arm A (Phase 2): Erdafitinib 8/9 mg Monotherapy | Arm B (Phase 2): Erdafitinib 8 mg + Cetrelimab 240/480 mg | Total |
|---|---|---|---|---|---|---|---|---|---|
| Age, Categorical <=18 years | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants |
| Age, Categorical >=65 years | 3 Participants | 2 Participants | 4 Participants | 8 Participants | 0 Participants | 3 Participants | 31 Participants | 31 Participants | 82 Participants |
| Age, Categorical Between 18 and 65 years | 1 Participants | 1 Participants | 7 Participants | 4 Participants | 3 Participants | 0 Participants | 12 Participants | 13 Participants | 41 Participants |
| Age, Continuous | 72.8 years STANDARD_DEVIATION 6.5 | 66.7 years STANDARD_DEVIATION 9.07 | 61.3 years STANDARD_DEVIATION 11.14 | 63.5 years STANDARD_DEVIATION 11.41 | 60.3 years STANDARD_DEVIATION 0.58 | 69 years STANDARD_DEVIATION 3.61 | 71.1 years STANDARD_DEVIATION 10.18 | 70.2 years STANDARD_DEVIATION 8.61 | 68.8 years STANDARD_DEVIATION 9.96 |
| Ethnicity (NIH/OMB) Hispanic or Latino | 0 Participants | 1 Participants | 0 Participants | 1 Participants | 0 Participants | 0 Participants | 1 Participants | 2 Participants | 5 Participants |
| Ethnicity (NIH/OMB) Not Hispanic or Latino | 4 Participants | 0 Participants | 9 Participants | 10 Participants | 3 Participants | 3 Participants | 39 Participants | 37 Participants | 105 Participants |
| Ethnicity (NIH/OMB) Unknown or Not Reported | 0 Participants | 2 Participants | 2 Participants | 1 Participants | 0 Participants | 0 Participants | 3 Participants | 5 Participants | 13 Participants |
| Race (NIH/OMB) American Indian or Alaska Native | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants |
| Race (NIH/OMB) Asian | 0 Participants | 0 Participants | 2 Participants | 0 Participants | 1 Participants | 1 Participants | 3 Participants | 2 Participants | 9 Participants |
| Race (NIH/OMB) Black or African American | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants |
| Race (NIH/OMB) More than one race | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants |
| Race (NIH/OMB) Native Hawaiian or Other Pacific Islander | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants |
| Race (NIH/OMB) Unknown or Not Reported | 0 Participants | 2 Participants | 3 Participants | 1 Participants | 0 Participants | 0 Participants | 4 Participants | 6 Participants | 16 Participants |
| Race (NIH/OMB) White | 4 Participants | 1 Participants | 6 Participants | 11 Participants | 2 Participants | 2 Participants | 36 Participants | 36 Participants | 98 Participants |
| Region of Enrollment BELARUS | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 4 Participants | 6 Participants | 10 Participants |
| Region of Enrollment BELGIUM | 0 Participants | 0 Participants | 1 Participants | 0 Participants | 0 Participants | 1 Participants | 2 Participants | 1 Participants | 5 Participants |
| Region of Enrollment BRAZIL | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 2 Participants | 1 Participants | 3 Participants |
| Region of Enrollment FRANCE | 0 Participants | 2 Participants | 2 Participants | 1 Participants | 0 Participants | 0 Participants | 3 Participants | 4 Participants | 12 Participants |
| Region of Enrollment ITALY | 0 Participants | 0 Participants | 1 Participants | 2 Participants | 0 Participants | 0 Participants | 3 Participants | 2 Participants | 8 Participants |
| Region of Enrollment POLAND | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 1 Participants | 1 Participants |
| Region of Enrollment RUSSIAN FEDERATION | 0 Participants | 0 Participants | 1 Participants | 1 Participants | 2 Participants | 1 Participants | 8 Participants | 8 Participants | 21 Participants |
| Region of Enrollment SOUTH KOREA | 0 Participants | 0 Participants | 2 Participants | 0 Participants | 1 Participants | 1 Participants | 2 Participants | 2 Participants | 8 Participants |
| Region of Enrollment SPAIN | 2 Participants | 1 Participants | 4 Participants | 6 Participants | 0 Participants | 0 Participants | 4 Participants | 8 Participants | 25 Participants |
| Region of Enrollment TAIWAN | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 1 Participants | 0 Participants | 1 Participants |
| Region of Enrollment TURKEY | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 9 Participants | 8 Participants | 17 Participants |
| Region of Enrollment UNITED KINGDOM | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 3 Participants | 0 Participants | 3 Participants |
| Region of Enrollment UNITED STATES | 2 Participants | 0 Participants | 0 Participants | 2 Participants | 0 Participants | 0 Participants | 2 Participants | 3 Participants | 9 Participants |
| Sex: Female, Male Female | 0 Participants | 1 Participants | 2 Participants | 5 Participants | 0 Participants | 1 Participants | 10 Participants | 11 Participants | 30 Participants |
| Sex: Female, Male Male | 4 Participants | 2 Participants | 9 Participants | 7 Participants | 3 Participants | 2 Participants | 33 Participants | 33 Participants | 93 Participants |
Adverse events
| Event type | EG000 affected / at risk | EG001 affected / at risk | EG002 affected / at risk | EG003 affected / at risk | EG004 affected / at risk | EG005 affected / at risk | EG006 affected / at risk | EG007 affected / at risk |
|---|---|---|---|---|---|---|---|---|
| deaths Total, all-cause mortality | 4 / 4 | 3 / 3 | 5 / 11 | 3 / 12 | 2 / 3 | 2 / 3 | 21 / 43 | 17 / 44 |
| other Total, other adverse events | 4 / 4 | 3 / 3 | 11 / 11 | 12 / 12 | 3 / 3 | 3 / 3 | 43 / 43 | 43 / 44 |
| serious Total, serious adverse events | 3 / 4 | 1 / 3 | 4 / 11 | 6 / 12 | 3 / 3 | 1 / 3 | 22 / 43 | 19 / 44 |
Outcome results
Phase 1b: Number of Participants With Dose-Limiting Toxicity (DLTs)
Number of participants with DLTs were reported. The DLTs as per National Cancer Institute Common Terminology Criteria for Adverse Events Version 5.0 (NCI-CTCAE version 5.0) are specific adverse events defined as grade 3 (severe), grade 4 (life-threatening), and grade 5 (death) non-hematological toxicity or hematological toxicity.
Time frame: Up to 8 weeks
Population: Treated analysis set included all participants who had received at least one dose of study drug.
| Arm | Measure | Value (COUNT_OF_PARTICIPANTS) |
|---|---|---|
| Cohort Dose Level (DL) 1 (Phase 1b): Erdafitinib 6 Milligrams (mg) + Cetrelimab 240/480 mg | Phase 1b: Number of Participants With Dose-Limiting Toxicity (DLTs) | 0 Participants |
| Cohort DL2A (Phase 1b): Erdafitinib 8 mg + Cetrelimab 240/480 mg | Phase 1b: Number of Participants With Dose-Limiting Toxicity (DLTs) | 0 Participants |
| Cohort DL2B (Phase 1b): Erdafitinib 8/9 mg + Cetrelimab 240/480 mg | Phase 1b: Number of Participants With Dose-Limiting Toxicity (DLTs) | 0 Participants |
| Cohort DL2 (Phase 1b): Erdafitinib 8/9 mg + Cetrelimab 240/480 mg (RP2D) | Phase 1b: Number of Participants With Dose-Limiting Toxicity (DLTs) | 0 Participants |
| Cohort DL2C (Phase 1b): Erdafitinib 8 mg + Cetrelimab 360 mg + Cisplatin 50 mg/m^2 | Phase 1b: Number of Participants With Dose-Limiting Toxicity (DLTs) | 0 Participants |
| Cohort DL2D (Phase 1b): Erdafitinib 8 mg + Cetrelimab 360 mg + Carboplatin AUC 4 mg/mL/Min | Phase 1b: Number of Participants With Dose-Limiting Toxicity (DLTs) | 0 Participants |
Phase 2: Number of Participants With Treatment-emergent Adverse Event (TEAEs)
Number of participants with TEAEs were reported. An adverse event is any untoward medical event that occurs in a participant administered an investigational product and it does not necessarily indicate only events with clear causal relationship with the relevant investigational product. TEAEs were defined as adverse events with onset or worsening on or after date of first dose of study treatment.
Time frame: From Day 1 up to 36 months
Population: Treated analysis set included all participants who had received at least one dose of study drug.
| Arm | Measure | Value (COUNT_OF_PARTICIPANTS) |
|---|---|---|
| Cohort Dose Level (DL) 1 (Phase 1b): Erdafitinib 6 Milligrams (mg) + Cetrelimab 240/480 mg | Phase 2: Number of Participants With Treatment-emergent Adverse Event (TEAEs) | 43 Participants |
| Cohort DL2A (Phase 1b): Erdafitinib 8 mg + Cetrelimab 240/480 mg | Phase 2: Number of Participants With Treatment-emergent Adverse Event (TEAEs) | 44 Participants |
Phase 2: Objective Response Rate (ORR) Per Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 by Investigator Assessment
ORR is defined as the percentage of participants who achieved confirmed complete response (CR) or confirmed partial response (PR), according to response evaluation criteria in solid tumors (RECIST) version1.1. As per RECIST version 1.1, CR: disappearance of all lesions; all lymph nodes were non-pathological in size and normalization of tumor marker level; PR: greater than or equal to (\>=) 30 percent (%) decrease in the sum of the diameters of all target lesions compared with baseline, in absence of new lesions or unequivocal progression of nontarget lesions.
Time frame: From Day 1 up to 36 months
Population: Treated analysis set included all participants who had received at least one dose of study drug.
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| Cohort Dose Level (DL) 1 (Phase 1b): Erdafitinib 6 Milligrams (mg) + Cetrelimab 240/480 mg | Phase 2: Objective Response Rate (ORR) Per Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 by Investigator Assessment | 44.2 Percentage of Participants |
| Cohort DL2A (Phase 1b): Erdafitinib 8 mg + Cetrelimab 240/480 mg | Phase 2: Objective Response Rate (ORR) Per Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 by Investigator Assessment | 54.5 Percentage of Participants |
Phase 1b and Phase 2: Number of Participants With Anti-Cetrelimab Antibodies
Time frame: Up to 6 years 1 month
Phase 1b and Phase 2: Plasma Concentration of Erdafitinib
Time frame: Up to 6 years 1 month
Phase 1b and Phase 2: Serum Concentration of Cetrelimab
Time frame: Up to 6 years 1 month
Phase 1b: Plasma Concentration of Platinum (Cisplatin and Carboplatin) Chemotherapy
Time frame: Up to 6 years 1 month
Phase 2: Duration of Response (DoR)
Time frame: Up to 6 years 1 month
Phase 2: Number of Participants With Abnormal Laboratory Values
Time frame: Up to 6 years 1 month
Phase 2: Number of Participants With Serious Adverse Events (SAEs)
Time frame: Up to 6 years 1 month
Phase 2: Overall Survival (OS)
Time frame: Up to 6 years 1 month
Phase 2: Progression-free Survival (PFS)
Time frame: Up to 6 years 1 month
Phase 2: Time to Response (TTR)
Time frame: Up to 6 years 1 month