Testing the PD-1 Inhibitor Pembrolizumab as Maintenance Therapy After Initial Chemotherapy in Metastatic Bladder Cancer

Completed · Phase 2 · Has a placebo group

Conditions studied: Urothelial Carcinoma, Bladder Cancer

In brief

This is a multi-institutional, randomized, placebo controlled, double-blinded phase II trial of maintenance pembrolizumab versus placebo after first-line chemotherapy in patients with metastatic urothelial cancer who have achieved at least stable disease on first-line chemotherapy.

Key facts

Study ID

NCT02500121

Run by

Matthew Galsky

People needed

108

Starts

2015-11-11

Expected to finish

2021-01-01

Last updated by the study team

2022-09-30

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Written informed consent and HIPAA authorization for release of personal health information. NOTE: HIPAA authorization may be included in the informed consent or obtained separately.
• Age ≥ 18 years at the time of consent.
• ECOG Performance Status (PS) of ≤ 1 within fourteen days of registration for protocol therapy.
• Histological or cytological evidence of urothelial cancer of the bladder, urethra, ureter, or renal pelvis. Differentiation with variant histologies (e.g., squamous cell differentiated) will be permitted provided that the predominant histology is urothelial carcinoma.
• Metastatic and/or unresectable (cT4b) disease
• Must have achieved an objective response (CR/PR) or stable disease (SD) after 4 to 6 cycles of standard first-line platinum-based chemotherapy for mUC (e.g., as per NCCN guidelines). Able to commence study treatment within 2 to 6 weeks of receiving last dose of first-line chemotherapy.
• All subjects must have adequate archival tissue available prior to registration (i.e., at least 20 unstained slides or paraffin block). If acceptable archival tissue is not available, the subject must be willing to consent to providing a core or excisional biopsy for research prior to registration for protocol therapy. If archival tissue is not available and there are no sites amenable to biopsy, enrollment must be discussed with the sponsor-investigator on a case by case basis.
• Female subjects of childbearing potential must have a negative serum pregnancy within three days prior to registration for protocol therapy
• Sexually active, pre-menopausal women of childbearing potential must be willing to use an adequate method of contraception or be surgically sterile, or abstain from heterosexual activity for the course of the study through 120 days after the last dose of study drug. Subjects of childbearing potential are those who have not been surgically sterilized or have not been free from menses for > one year.
• Male subjects of childbearing potential must agree to use an adequate method of contraception starting with the first dose of study drug through 120 days after the last dose of study drug.

You may not qualify if…

• More than one line of prior chemotherapy for metastatic or locally advanced disease, with the following exception:
• Prior neoadjuvant/adjuvant chemotherapy will not count as line of therapy if completed greater than 12 months prior to initiation of chemotherapy regimen for metastatic or unresectable disease.
• Current or past participation in a study of an investigational agent or using an investigational device within four weeks of registration for protocol therapy.
• A diagnosis of immunodeficiency or is receiving treatment with systemic steroid therapy or any other form of immunosuppressive therapy within seven days prior to registration for protocol therapy.
• Prior chemotherapy, targeted small molecule therapy, or radiation therapy within two weeks prior to registration for protocol therapy. Note: If the subjects have undergone major surgery, they must have recovered adequately from the toxicity and/or complications from the intervention prior to starting protocol therapy.
• A known additional malignancy that is progressing or requires active treatment. Exceptions include basal cell carcinoma of the skin, squamous cell carcinoma of the skin, or in situ cervical cancer that has undergone potentially curative therapy.
• A known active central nervous system (CNS) metastases and/or carcinomatous meningitis. Subjects with previously treated brain metastases may participate provided they are stable (without evidence of progression by imaging for at least four weeks prior to registration for protocol therapy and any neurologic symptoms have returned to baseline), have no evidence of new or enlarging brain metastases, and are not using steroids for at least seven days prior to registration for protocol therapy.
• Active autoimmune disease that has required systemic treatment in past 2 years (i.e. with use of disease modifying agents, corticosteroids or immunosuppressive drugs). Replacement therapy (eg., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) is not considered a form of systemic treatment.
• Has evidence of active, non-infectious pneumonitis.
• Has a history of interstitial lung disease.
• An active infection requiring systemic therapy.
• A history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the trial, interfere with the subject's participation for the full duration of the trial, or is not in the best interest of the subject to participate, in the opinion of the treating Investigator.
• Known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial.
• Is pregnant or breastfeeding, or expecting to conceive or father children within the projected duration of the trial, starting with the screening period through 120 days after the last dose of protocol therapy.
• Prior therapy with an anti-PD-1, anti-PD-L1, anti-PD-L2, anti-CD137, or anti-Cytotoxic T-lymphocyte-associated antigen-4 (CTLA-4) antibody (including ipilimumab or any other antibody or drug specifically targeting T-cell co-stimulation or checkpoint pathways). Examples include nivolumab, MPDL3280, etc.
• A known history of Human Immunodeficiency Virus (HIV) (HIV 1/2 antibodies).
• A known active Hepatitis B (e.g., HBsAg reactive) or Hepatitis C (e.g., HCV RNA [qualitative] is detected).
• Receipt of a live vaccine within 30 days prior to registration for protocol therapy.
• Unresolved toxicity (i.e., > Grade 1 or above baseline) due to previously administered agents. Exception includes: subjects with ≤ Grade 2 neuropathy are eligible for the study.

Where it is running

• University of Arizona at Dignity Health St. Joseph's — Phoenix, Arizona, United States
• City of Hope Comprehensive Cancer Center — Duarte, California, United States
• University of Southern California — Los Angeles, California, United States
• Georgetown University — Washington D.C., District of Columbia, United States
• University of Florida — Gainesville, Florida, United States
• IU Health Goshen Center for Cancer Care — Goshen, Indiana, United States
• Indiana University Melvin and Bren Simon Cancer Center — Indianapolis, Indiana, United States
• IU Health Central Indiana Cancer Center — Indianapolis, Indiana, United States
• Community Regional Cancer Care — Indianapolis, Indiana, United States
• Community Healthcare System — Munster, Indiana, United States
• University of Maryland — Baltimore, Maryland, United States
• Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins — Baltimore, Maryland, United States
• Henry Ford Health System — Detroit, Michigan, United States
• University of Minnesota — Minneapolis, Minnesota, United States
• Washington University: Siteman Cancer Center — St Louis, Missouri, United States
• GU Cancer Research Network, LLC — Omaha, Nebraska, United States
• The John Theuer Cancer Center at Hackensack University Medical Center — Hackensack, New Jersey, United States
• University of New Mexico Cancer Center — Albuquerque, New Mexico, United States
• Roswell Park Cancer Institute — Buffalo, New York, United States
• Tisch Cancer Institute at Mount Sinai Medical Center — New York, New York, United States
• University of Rochester Medical Center — Rochester, New York, United States
• University of North Carolina at Chapel Hill — Chapel Hill, North Carolina, United States
• Ohio State University Comprehensive Cancer Center — Columbus, Ohio, United States
• Fox Chase Cancer Center — Philadelphia, Pennsylvania, United States
• Medical University of South Carolina — Charleston, South Carolina, United States

Full record on ClinicalTrials.gov

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