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Trial details imported from ClinicalTrials.gov

For full trial details, please see the original record at https://clinicaltrials.gov/study/NCT03374488




Registration number
NCT03374488
Ethics application status
Date submitted
11/12/2017
Date registered
15/12/2017
Date last updated
30/11/2021

Titles & IDs
Public title
Pembrolizumab + Epacadostat vs Pembrolizumab + Placebo in Recurrent or Progressive Metastatic Urothelial Carcinoma
Scientific title
A Phase 3 Randomized, Double-Blind Clinical Study of Pembrolizumab + Epacadostat vs Pembrolizumab + Placebo as a Treatment for Recurrent or Progressive Metastatic Urothelial Carcinoma in Patients Who Have Failed a First-Line Platinum-containing Chemotherapy Regimen for Advanced/Metastatic Disease (KEYNOTE-698/ECHO-303)
Secondary ID [1] 0 0
KEYNOTE-698/ECHO-303
Universal Trial Number (UTN)
Trial acronym
Linked study record

Health condition
Health condition(s) or problem(s) studied:
UC (Urothelial Cancer) 0 0
Condition category
Condition code
Cancer 0 0 0 0
Non melanoma skin cancer
Cancer 0 0 0 0
Kidney
Cancer 0 0 0 0
Bladder - transitional cell cancer

Intervention/exposure
Study type
Interventional
Description of intervention(s) / exposure
Treatment: Drugs - Pembrolizumab
Treatment: Drugs - Epacadostat
Treatment: Drugs - Placebo

Experimental: Pembrolizumab 200 mg + Epacadostat 100 mg BID - Pembrolizumab + epacadostat

Active comparator: Pembrolizumab 200 mg + placebo BID - Pembrolizumab + placebo


Treatment: Drugs: Pembrolizumab
Pembrolizumab administered intravenously Day 1 of each cycle every 3 weeks.

Treatment: Drugs: Epacadostat
Epacadostat administered orally twice daily.

Treatment: Drugs: Placebo
Matching placebo administered orally twice daily.
Intervention code [1] 0 0
Treatment: Drugs
Comparator / control treatment
Control group

Outcomes
Primary outcome [1] 0 0
Objective Response Rate (ORR) With Pembrolizumab + Epacadostat Versus Pembrolizumab + Placebo
Timepoint [1] 0 0
up to 9 weeks +14 days
Secondary outcome [1] 0 0
Safety and Tolerability of Pembrolizumab + Epacadostat Versus Pembrolizumab + Placebo as Measured by Number of Participants Experiencing Adverse Events (AEs)
Timepoint [1] 0 0
Up to 8 months
Secondary outcome [2] 0 0
Safety and Tolerability of Pembrolizumab + Epacadostat Versus Pembrolizumab + Placebo as Measured by Number of Participants Discontinuing Study Treatment Due to AE
Timepoint [2] 0 0
Up to 8 months

Eligibility
Key inclusion criteria
* Histologically-confirmed diagnosis of urothelial carcinoma of the renal pelvis, ureter, bladder, or urethra, that is transitional cell, or mixed transitional/non-transitional (predominantly transitional) cell type.
* Progression or recurrence of urothelial carcinoma following one prior platinum containing chemotherapy regimen for metastatic or unresectable locally advanced disease. A participant who receives a neoadjuvant or adjuvant platinum-containing regimen following cystectomy for localized muscle-invasive urothelial carcinoma is acceptable (without further systemic treatment), if recurrence/progression occurs = 12 months following completion of therapy.
* Measurable disease based on RECIST v1.1.
* Have provided an archival tumor tissue sample or newly obtained core or excisional biopsy of a tumor lesion not previously irradiated for PD-L1 analysis.
* Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.
* Adequate organ function per protocol-defined criteria.
Minimum age
18 Years
Maximum age
No limit
Sex
Both males and females
Can healthy volunteers participate?
No
Key exclusion criteria
* Urothelial carcinoma that is suitable for local therapy with curative intent.
* History or presence of an abnormal electrocardiogram (ECG) that, in the investigator's opinion, is clinically meaningful.
* Known additional malignancy that is progressing or has required active treatment within the past 3 years.
* Known active central nervous system (CNS) metastases and/or carcinomatous meningitis. Participants with previously treated brain metastases may participate provided they are radiologically stable, ie, without evidence of progression for at least 4 weeks by repeat imaging.
* Active autoimmune disease that has required systemic treatment in past 2 years.
* Known history of human immunodeficiency virus (HIV) infection. HIV testing is not required unless mandated by local health authority.
* Known history of or is positive for active hepatitis B (HBsAg reactive) or has active hepatitis C (HCV RNA). Note: Testing must be performed to determine eligibility.
* Use of protocol-defined prior/concomitant therapy.

Study design
Purpose of the study
Treatment
Allocation to intervention
Randomised controlled trial
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Masking / blinding
Open (masking not used)
Who is / are masked / blinded?



Intervention assignment
Parallel
Other design features
Phase
Phase 3
Type of endpoint/s
Statistical methods / analysis

Recruitment
Recruitment status
Completed
Data analysis
Reason for early stopping/withdrawal
Other reasons
Date of first participant enrolment
Anticipated
Actual
22/12/2017
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
Actual
23/07/2020
Sample size
Target
Accrual to date
Final
84
Recruitment in Australia
Recruitment state(s)
NSW,VIC
Recruitment hospital [1] 0 0
Southern Medical Day Care Centre - Wollongong
Recruitment hospital [2] 0 0
Austin Health-Austin Hospital - Heidelberg
Recruitment hospital [3] 0 0
Adelaide Cancer Centre - Kurralta Park
Recruitment hospital [4] 0 0
Macquarie University Hospital - Macquarie Park
Recruitment postcode(s) [1] 0 0
2500 - Wollongong
Recruitment postcode(s) [2] 0 0
3084 - Heidelberg
Recruitment postcode(s) [3] 0 0
5037 - Kurralta Park
Recruitment postcode(s) [4] 0 0
2109 - Macquarie Park
Recruitment outside Australia
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United States of America
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Arizona
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California
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Connecticut
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Plymouth
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
Name
Incyte Corporation
Address
Country
Other collaborator category [1] 0 0
Commercial sector/industry
Name [1] 0 0
Merck Sharp & Dohme LLC
Address [1] 0 0
Country [1] 0 0

Ethics approval
Ethics application status

Summary
Brief summary
The purpose of this study was to evaluate the efficacy and safety of pembrolizumab + epacadostat vs pembrolizumab + placebo as a treatment for recurrent or progressive metastatic urothelial carcinoma in patients who have failed a first-line platinum-containing chemotherapy regimen for advanced/metastatic disease.
Trial website
https://clinicaltrials.gov/study/NCT03374488
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 0 0
Mark Jones, MD
Address 0 0
Incyte Corporation
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for public queries
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for scientific queries



Summary Results

For IPD and results data, please see https://clinicaltrials.gov/study/NCT03374488