A Study of Disitamab Vedotin Alone or With Pembrolizumab in Urothelial Cancer That Expresses HER2

Registration Number
NCT04879329
Lead Sponsor
Seagen Inc.
Brief Summary

This study is being done to see if a drug called disitamab vedotin, alone or with pembrolizumab, works to treat HER2 expressing urothelial cancer. It will also test how safe the drug is for participants.
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Detailed Description

Not available

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
332
Inclusion Criteria

Cohorts A and B

  • Histopathologically-confirmed, locally-advanced, unresectable or metastatic urothelial cancer (LA/mUC), including UC originating from the renal pelvis, ureters, bladder, or urethra
  • Participants must have received only 1 or 2 lines of prior systemic treatment for LA/mUC, including 1 line of platinum-containing chemotherapy
  • At least one measurable lesion by investigator assessment based on RECIST version 1.1.
  • HER2-expression status determined by the central laboratory to be IHC 1+, 2+ or 3+, in the provided tumor sample
  • Eastern Cooperative Oncology Group (ECOG) performance status score of 0 or 1

Cohort C

  • Histopathologically-confirmed LA/mUC, including UC originating from the renal pelvis, ureters, bladder, or urethra

  • No prior systemic therapy for LA/mUC

    • Neoadjuvant or adjuvant therapy, including PD-(L)1 inhibitors, is acceptable, if disease recurrence/progression occurred more than 12 months after the last dose of systemic therapy
  • At least one measurable lesion by investigator assessment based on RECIST v1.1.

  • Participant is eligible to receive cisplatin- or carboplatin- containing chemotherapy per investigator evaluation

  • HER2-expression status determined by the central laboratory to be IHC 1+, 2+ or 3+, on the provided tumor tissue sample

  • ECOG performance status of 0, 1, or 2

Cohort D

  • Histopathologically-confirmed LA/mUC, including UC originating from the renal pelvis, ureters, bladder, or urethra

  • Based on a participant's eligibility to receive treatment with standard of care therapies in Japan, participants must have received all of the following lines of therapy for LA/mUC:

    • a. One prior line of platinum-containing chemotherapy.
    • b. Prior therapy with PD-(L)1 inhibitors as (neo)adjuvant therapy, first-line maintenance therapy or as second line treatment.
    • c. Prior enfortumab vedotin therapy.
  • At least one measurable lesion by investigator assessment based on RECIST v1.1.

  • ECOG performance status of 0 or 1

Cohort E

  • Histopathologically-confirmed LA/mUC, including UC originating from the renal pelvis, ureters, bladder, or urethra

  • No prior systemic therapy for LA/mUC

    • Neoadjuvant or adjuvant therapy, including PD-(L)1 inhibitors, is acceptable, if disease recurrence/progression occurred more than 12 months after the last dose of systemic therapy.
  • At least one measurable lesion by investigator assessment based on RECIST v1.1.

  • Participant is eligible to receive cisplatin- or carboplatin- containing chemotherapy per investigator evaluation

  • HER2-expression status determined by the central laboratory to be IHC 1+, 2+ or 3+, in the provided tumor sample

  • ECOG performance status of 0 or 1

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Exclusion Criteria

Cohorts A and B

  • Known hypersensitivity to disitamab vedotin or any of their components
  • Prior antitumor treatment (including chemotherapy, radiotherapy, targeted therapy, immunotherapy etc.) within 2 weeks of start of study (defined as Cycle 1 Day 1 for Cohorts A and B)
  • Toxicity from a previous treatment has not returned to Grades 0 or 1 (except for Grade 2 alopecia)
  • Prior MMAE-based ADCs (eg, enfortumab vedotin) or HER2-directed therapy
  • Major surgery that has not fully recovered within 4 weeks prior to dose administration
  • Peripheral sensory or motor neuropathy ≥ Grade 2 at baseline

Cohort C

  • Known hypersensitivity to disitamab vedotin, pembrolizumab, or any of their components
  • Prior antitumor treatment (including chemotherapy, radiotherapy, targeted therapy, immunotherapy etc.) within 2 weeks of start of study defined as Cycle 1 Day 1 for the single-arm part of Cohort C and as randomization date for the randomized part of Cohort C)
  • Toxicity from a previous treatment has not returned to Grades 0 or 1 (except for Grade 2 alopecia)
  • Prior MMAE-based ADCs (eg, enfortumab vedotin) or HER2-directed therapy
  • Major surgery that has not fully recovered within 4 weeks prior to dose administration
  • Peripheral sensory or motor neuropathy ≥ Grade 2 at baseline
  • Has a diagnosis of immunodeficiency or is receiving chronic systemic steroid therapy (in dosing exceeding 10 mg daily of prednisone equivalent) or any other form of immunosuppressive therapy within 7 days prior the first dose of study drug
  • Participants who have previously received any prior treatment with an agent directed to another stimulatory or co-inhibitory T cell receptor (including but not limited to CD137 agonists, CAR-T cell therapy, CTLA-4 inhibitors, or OX-40 agonists) are excluded.

Cohort D

  • Known hypersensitivity to disitamab vedotin or any of their components
  • Prior antitumor treatment (including chemotherapy, radiotherapy, targeted therapy, immunotherapy etc.) within 2 weeks of start of study (defined as Cycle 1 Day 1 for Cohort D)
  • Toxicity from a previous treatment has not returned to Grades 0 or 1 (except for Grade 2 alopecia)
  • Prior HER2-directed therapy
  • Any prior history of ≥ Grade 3 non-hematological AEs related to prior therapy
  • Major surgery that has not fully recovered within 4 weeks prior to dose administration
  • Peripheral sensory or motor neuropathy ≥ Grade 1 at baseline

Cohort E

  • Known hypersensitivity to disitamab vedotin, pembrolizumab, or any of their components
  • Prior antitumor treatment (including chemotherapy, radiotherapy, targeted therapy, immunotherapy etc.) within 2 weeks of start of study (defined as Cycle 1 Day 1 for Cohort E)
  • Toxicity from a previous treatment has not returned to Grades 0 or 1 (except for Grade 2 alopecia)
  • Any prior history of ≥ Grade 3 non-hematological AEs related to prior therapy
  • Prior MMAE-based ADCs (eg, enfortumab vedotin) or HER2-directed therapy
  • Major surgery that has not fully recovered within 4 weeks prior to dose administration
  • Peripheral sensory or motor neuropathy ≥ Grade 1 at baseline
  • Has a diagnosis of immunodeficiency or is receiving chronic systemic steroid therapy (in dosing exceeding 10 mg daily of prednisone equivalent) or any other form of immunosuppressive therapy within 7 days prior the first dose of study drug

There are additional inclusion and exclusion criteria. The study center will determine if criteria for participation are met.

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Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Cohort B - DV monotherapy for HER2-low tumor typesdisitamab vedotinDisitamab vedotin monotherapy
Cohort C - Randomized combination therapydisitamab vedotinDisitamab vedotin + pembrolizumab
Cohort C - Randomized monotherapydisitamab vedotinDisitamab vedotin monotherapy
Cohort A - DV monotherapy for HER2-positive tumor typesdisitamab vedotinDisitamab vedotin monotherapy
Cohort C - Non-randomized combination therapydisitamab vedotinDisitamab vedotin + pembrolizumab
Cohort E - DV combination therapy (Japan only)pembrolizumabDisitamab vedotin + pembrolizumab
Cohort C - Non-randomized combination therapypembrolizumabDisitamab vedotin + pembrolizumab
Cohort C - Randomized combination therapypembrolizumabDisitamab vedotin + pembrolizumab
Cohort D - DV monotherapy (Japan only)disitamab vedotinDisitamab vedotin monotherapy
Cohort E - DV combination therapy (Japan only)disitamab vedotinDisitamab vedotin + pembrolizumab
Primary Outcome Measures
NameTimeMethod
Incidence of laboratory abnormalities (Cohorts D and E)Approximately 2 years

To be summarized using descriptive statistics.

Incidence of dose alterations (Cohorts D and E)Approximately 2 years
Incidence of electrocardiogram (ECG) abnormalities (Cohorts D and E)Approximately 2 years
Change from baseline of left ventricular ejection fraction (LVEF) (Cohorts D and E)Approximately 2 years
PK parameter - Time to maximum concentration (Tmax) (Cohorts D and E)Through 30-37 days following the last dose of DV; up to approximately 2 years

To be summarized using descriptive statistics.

PK parameter - Trough concentration (Ctrough) (Cohorts D and E)Through 30-37 days following the last dose of DV; up to approximately 2 years

To be summarized using descriptive statistics.

Incidence of adverse events (AEs) (Cohorts D and E)Approximately 2 years

Any untoward medical occurrence in a clinical investigational participant administered a medicinal product and which does not necessarily have a causal relationship with this treatment.

Pharmacokinetic (PK) parameter - Area under the curve (AUC) (Cohorts D and E)Through 30-37 days following the last dose of DV; up to approximately 2 years

To be summarized using descriptive statistics.

Confirmed Objective Response Rate (cORR) per Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1 (v1.1) by blinded independent central review (BICR) (Cohorts A, B, and C)Duration of treatment; approximately 2 years

The proportion of participants with confirmed complete response (CR) or partial response (PR) according to RECIST v1.1

PK parameter - Maximum concentration (Cmax) (Cohorts D and E)Through 30-37 days following the last dose of DV; up to approximately 2 years

To be summarized using descriptive statistics.

Secondary Outcome Measures
NameTimeMethod
Confirmed Duration of Response (DOR) per RECIST v1.1 by BICR (Cohorts A, B, and C)From start of treatment to completion of response assessment; approximately 2 years

The time from first documentation of objective tumor response (confirmed CR or PR) to the first documentation of tumor progression per RECIST v1.1 or death due to any cause.

Change from baseline of LVEF (Cohorts A, B, and C)Approximately 2 years
PFS per RECIST v1.1 by investigator assessment (Cohorts A, B, and C)From start of treatment to completion of response assessment; approximately 2 years

The time from the start of study treatment or randomization (if applicable) to the first documentation of disease progression per RECIST v1.1 or death due to any cause.

Overall survival (OS) (Cohorts A, B, and C)Duration of study; approximately 3 years

The time from start of study treatment or randomization (if applicable) to the date of death due to any cause.

Incidence of ECG abnormalities (Cohorts A, B, and C)Approximately 2 years
Incidence of anti-drug antibodies (ADAs) against disitamab vedotin (All Cohorts)Through 30-37 days following the last dose of DV; up to approximately 2 years

To be summarized using descriptive statistics.

cORR per RECIST v1.1 by investigator assessment (Cohorts A, B, and C)Duration of treatment; approximately 2 years

The proportion of participants with confirmed CR or PR according to RECIST v1.1

DCR per RECIST v1.1 by investigator (Cohorts A, B, and C)From start of treatment to completion of response assessment; approximately 2 years

The proportion of participants who have achieved objective response (confirmed CR or PR as per RECIST v 1.1 criteria) or SD lasting at least 5 weeks.

Incidence of laboratory abnormalities (Cohorts A, B, and C)Approximately 2 years

To be summarized using descriptive statistics.

PK parameter - AUC (Cohorts A, B, and C)Through 30-37 days following the last dose of DV; up to approximately 2 years

To be summarized using descriptive statistics.

PK parameter - Tmax (Cohorts A, B, and C)Through 30-37 days following the last dose of DV; up to approximately 2 years

To be summarized using descriptive statistics.

PK parameter of pembrolizumab - Cmax (Cohort E)Through 30-37 days following the last dose of DV; up to approximately 2 years

To be summarized using descriptive statistics.

Disease control rate (DCR) per RECIST v1.1 by BICR (Cohorts A, B, and C)From start of treatment to completion of response assessment; approximately 2 years

The proportion of participants who have achieved objective response (confirmed CR or PR as per RECIST v1.1 criteria) or stable disease (SD) lasting at least 5 weeks.

Confirmed DOR per RECIST v1.1 by investigator assessment (Cohorts A, B, and C)From start of treatment to completion of response assessment; approximately 2 years

The time from first documentation of objective tumor response (confirmed CR or PR) to the first documentation of tumor progression per RECIST v1.1 or death due to any cause.

Progression-free survival (PFS) per RECIST v1.1 by BICR (Cohorts A, B, and C)From start of treatment to completion of response assessment; approximately 2 years

The time from the start of study treatment or randomization (if applicable) to the first documentation of disease progression per RECIST v1.1 or death due to any cause.

Incidence of dose alterations (Cohorts A, B, and C)Approximately 2 years

To be summarized using descriptive statistics.

PK parameter - Ctrough (Cohorts A, B, and C)Through 30-37 days following the last dose of DV; up to approximately 2 years

To be summarized using descriptive statistics.

Incidence of anti-drug antibodies (ADAs) against pembrolizumab (Cohorts C and E)Through 30-37 days following the last dose of DV; up to approximately 2 years

To be summarized using descriptive statistics.

Incidence of neutralizing antibodies (NABs) against disitamab vedotin (All Cohorts)Through 30-37 days following the last dose of DV; up to approximately 2 years

To be summarized using descriptive statistics.

Incidence of adverse events (AEs) (Cohorts A, B, and C)Approximately 2 years

Any untoward medical occurrence in a clinical investigational participant administered a medicinal product and which does not necessarily have a causal relationship with this treatment.

PK parameter - Cmax (Cohorts A, B, and C)Through 30-37 days following the last dose of DV; up to approximately 2 years

To be summarized using descriptive statistics.

Trial Locations

Locations (82)

GenesisCare North Shore (Oncology)

🇦🇺

St Leonards, Other, Australia

Banner MD Anderson Cancer Center

🇺🇸

Gilbert, Arizona, United States

City of Hope

🇺🇸

Duarte, California, United States

University of California Los Angeles Medical Center

🇺🇸

Los Angeles, California, United States

University of California Irvine Medical Center

🇺🇸

Orange, California, United States

Kaiser Permanente Southern California

🇺🇸

Riverside, California, United States

University of California, San Francisco | HDFCCC - Hematopoietic Malignancies

🇺🇸

San Francisco, California, United States

University of Colorado Health Memorial Hospital

🇺🇸

Colorado Springs, Colorado, United States

MedStar Washington Hospital Center

🇺🇸

Washington, District of Columbia, United States

Florida Cancer Specialists - South Region

🇺🇸

Fort Myers, Florida, United States

Florida Cancer Specialists - Panhandle

🇺🇸

Tallahassee, Florida, United States

H. Lee Moffitt Cancer Center and Research Institute

🇺🇸

Tampa, Florida, United States

Florida Cancer Specialists - East West Palm Beach, FL (SCRI)

🇺🇸

West Palm Beach, Florida, United States

Northwest Georgia Oncology Centers, P.C.

🇺🇸

Marietta, Georgia, United States

University of Chicago Medical Center

🇺🇸

Chicago, Illinois, United States

Henry Ford Health System

🇺🇸

Detroit, Michigan, United States

Karmanos Cancer Institute / Wayne State University

🇺🇸

Detroit, Michigan, United States

Cancer and Hematology Centers of Western Michigan / Spectrum Health Butterworth Campus

🇺🇸

Grand Rapids, Michigan, United States

Comprehensive Cancer Centers of Nevada

🇺🇸

Las Vegas, Nevada, United States

North Shore Center for Advanced Medicine Monter Cancer Center / North Shore University Hospital

🇺🇸

Lake Success, New York, United States

New York University (NYU) Cancer Institute

🇺🇸

New York, New York, United States

Mount Sinai Medical Center

🇺🇸

New York, New York, United States

Memorial Sloan Kettering Cancer Center

🇺🇸

New York, New York, United States

SUNY Upstate Medical University

🇺🇸

Syracuse, New York, United States

Levine Cancer Institute

🇺🇸

Charlotte, North Carolina, United States

University Hospitals Cleveland Medical Center

🇺🇸

Cleveland, Ohio, United States

Ohio State University

🇺🇸

Columbus, Ohio, United States

Oklahoma University at Stephenson Cancer Center

🇺🇸

Oklahoma City, Oklahoma, United States

Oregon Health and Science University

🇺🇸

Portland, Oregon, United States

University of Tennessee

🇺🇸

Knoxville, Tennessee, United States

MD Anderson Cancer Center / University of Texas

🇺🇸

Houston, Texas, United States

Baylor Scott & White Medical Center

🇺🇸

Temple, Texas, United States

Huntsman Cancer Institute/University of Utah

🇺🇸

Salt Lake City, Utah, United States

Inova Schar Cancer Institute

🇺🇸

Fairfax, Virginia, United States

Fred Hutchinson Cancer Center / Seattle Cancer Care Alliance / University of Washington

🇺🇸

Seattle, Washington, United States

Medical College of Wisconsin (Milwaukee)

🇺🇸

Milwaukee, Wisconsin, United States

Centro de Oncologia e Investigacion de Buenos Aires (COIBA)

🇦🇷

Berazategui, Other, Argentina

Hospital Aleman (HA) Deutsches Hospital

🇦🇷

Buenos Aires, Other, Argentina

Hospital Sirio Libanes

🇦🇷

Caba, Other, Argentina

Instituto Alexander Fleming

🇦🇷

Ciudad Autonoma Buenos Aires, Other, Argentina

Instituto Oncologico de Cordoba

🇦🇷

Cordoba, Other, Argentina

Fundacion Cenit

🇦🇷

Caba, Argentina

Clinica Viedma

🇦🇷

Viedma, Argentina

Lyell McEwin Hospital

🇦🇺

Elizabeth Vale, Other, Australia

Peninsula and South East Oncology

🇦🇺

Frankston, Other, Australia

Mater Cancer Care Centre

🇦🇺

South Brisbane, Other, Australia

Princess Alexandra Hospital

🇦🇺

Woolloongabba, Other, Australia

Sapporo Medical University Hospital

🇯🇵

Sapporo, Other, Japan

Macquarie University Hospital

🇦🇺

New South Whales, Australia

Algemeen Ziekenhuis Maria Middelares

🇧🇪

Gent, Other, Belgium

CHU UCL Namur-Site de Saint Elisabeth

🇧🇪

Namur, Other, Belgium

Tom Baker Cancer Centre

🇨🇦

Calgary, Alberta, Canada

British Columbia Cancer Agency - Vancouver Centre

🇨🇦

Vancouver, British Columbia, Canada

CancerCare Manitoba

🇨🇦

Winnipeg, Manitoba, Canada

Jewish General Hospital

🇨🇦

Montreal, Quebec, Canada

Centre hospitalier universitaire de Sherbrooke (CHUS)

🇨🇦

Sherbrooke, Quebec, Canada

Centro de Estudios Clinicos IC La Serena Research

🇨🇱

La Serena, Other, Chile

Pontificia Universidad Catolica De Chile Santiago

🇨🇱

Santiago, Other, Chile

Instituto Oncologico Fundacion Arturo Lopez Perez (FALP)

🇨🇱

Santiago, Other, Chile

Rambam Health Corp.

🇮🇱

Haifa, Other, Israel

Rabin Medical Center

🇮🇱

Petach Tikva, Other, Israel

Sheba Medical Center

🇮🇱

Ramat Gan, Other, Israel

Tel Aviv Sourasky Medical Center

🇮🇱

Tel Aviv, Other, Israel

Policlinico Universitario Agostino Gemelli

🇮🇹

Roma, Other, Italy

National Cancer Center Hospital East

🇯🇵

Kashiwa-shi, Other, Japan

Osaka International Cancer Institute

🇯🇵

Osaka, Other, Japan

Osaka University Hospital

🇯🇵

Suita-shi, Other, Japan

Tokushima University Hospital

🇯🇵

Tokushima, Other, Japan

The Cancer Institute Hospital of JFCR

🇯🇵

Tokyo, Other, Japan

Hospital Universitari Vall d'Hebron

🇪🇸

Barcelona, Other, Spain

Hospital de la Santa Creu i Sant Pau

🇪🇸

Barcelona, Other, Spain

MD Anderson Cancer Center - Madrid

🇪🇸

Madrid, Other, Spain

Hospital Universitari Parc Tauli

🇪🇸

Sabadell, Other, Spain

Hospital Universitario Marques de Valdecilla

🇪🇸

Santander, Other, Spain

Hospital Universitario Virgen del Rocio

🇪🇸

Seville, Other, Spain

The Clatterbridge Cancer Centre NHS Foundation Trust

🇬🇧

Bebington, Other, United Kingdom

Cambridge University Hospitals NHS Foundation Trust

🇬🇧

Cambridge, Other, United Kingdom

NHS Greater Glasgow and Clyde (NHSGGC) - The Beatson West of Scotland Cancer Centre

🇬🇧

Glasgow, Other, United Kingdom

Barts Health NHS Trust Saint Bartholomews Hospital

🇬🇧

London, Other, United Kingdom

The Christie NHS Foundation Trust

🇬🇧

Manchester, Other, United Kingdom

Guys and St Thomas Hospital

🇬🇧

London, United Kingdom

Imperial College Healthcare NHS Trust

🇬🇧

London, United Kingdom

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