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A Phase 3 Single-Arm Study of UGN-102 for Treatment of Low Grade Intermediate Risk Non-Muscle-Invasive Bladder Cancer (ENVISION)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT05243550
Recruitment Status : Active, not recruiting
First Posted : February 17, 2022
Last Update Posted : May 9, 2023
Information provided by (Responsible Party):
UroGen Pharma Ltd.

Brief Summary:
This Phase 3, multinational, single-arm, multicenter study will evaluate the efficacy and safety of UGN-102 as primary chemoablative therapy in patients with low grade intermediate risk non-muscle-invasive bladder cancer (LG IR NMIBC).

Condition or disease Intervention/treatment Phase
Bladder Cancer Urothelial Carcinoma Urothelial Carcinoma Bladder Drug: UGN-102 Phase 3

Detailed Description:

Eligible patients will receive 6 once-weekly intravesical instillations of UGN-102.

All patients will return to the clinic approximately 3 months after the first instillation for determination of response to treatment. Assessment of response will be based on visual observation (white light cystoscopy), histopathology of any remaining or new lesions by central pathology lab (if applicable), and interpretation of urine cytology by central pathology lab.

Patients confirmed to have a complete response (CR) at the 3-month Visit, defined as having no detectable disease (NDD) in the bladder, will enter the Follow-up Period of the study. Patients confirmed to have a non-complete response (NCR) will undergo Investigator designated standard of care (SOC) treatment of remaining lesions and then enter the Follow-up Period of the study.

During the Follow-up Period, patients will return to the clinic every 3 months for up to 24 months (ie, 27 months after the first instillation) for evaluation of response. Patients who remain disease free at the 27-month Visit will continue to return to the clinic every 6 months for up to 36 months (ie, 63 months after the first instillation) or until disease recurrence, disease progression, death, or the study is closed by the Sponsor, whichever occurs first.

Patients confirmed to have a disease recurrence during the Follow-up Period or a disease progression at the 3-month Visit or during the Follow-up Period will undergo Investigator designated SOC treatment and have a separate End of Study (EOS) Visit performed. The timing of the EOS Visit will be approximately 3 months after SOC treatment of disease recurrence or progression.

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 220 participants
Allocation: N/A
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase 3, Single-Arm, Multicenter Study to Evaluate the Efficacy and Safety of UGN-102 as Primary Chemoablative Therapy in Patients With Low Grade (LG) Non-Muscle-Invasive Bladder Cancer (NMIBC) at Intermediate Risk (IR) of Recurrence
Actual Study Start Date : March 1, 2022
Actual Primary Completion Date : April 26, 2023
Estimated Study Completion Date : February 2028

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Bladder Cancer

Arm Intervention/treatment
Experimental: UGN-102
Patients will receive 6 once-weekly intravesical instillations of UGN-102.
Drug: UGN-102

UGN-102 consists of mitomycin and sterile hydrogel (a proprietary thermally responsive gel) that is used to reconstitute mitomycin before instillation. The reverse thermal properties of UGN-102 allow for local administration of mitomycin as a liquid, with subsequent conversion to a semi-solid gel depot following instillation into the bladder.

The UGN-102 admixture for intravesical instillations contains 75 mg mitomycin in 56 mL admixture (1.33 mg mitomycin per 1 mL).

Other Name: UGN-102 (mitomycin) for intravesical solution

Primary Outcome Measures :
  1. Complete response rate (CRR) [ Time Frame: 3 months ]
    CRR is defined as the proportion of patients who achieved CR at the 3-month Visit.

Secondary Outcome Measures :
  1. Duration of response (DOR) [ Time Frame: Up to 63 months ]
    DOR is defined as the time from the date of evidence of CR at the 3-month Visit to the earliest date of recurrence or progression or death due to any cause, whichever occurred first.

  2. Durable complete response (DCR) rate [ Time Frame: Up to 63 months ]
    DCR rate at scheduled disease assessment time points, defined as the proportion of patients who achieved CR at the 3-month Visit and maintained CR (ie, no detectable disease) up to that particular follow-up disease assessment.

  3. Disease-free survival (DFS) [ Time Frame: Up to 63 months ]
    DFS in patients who achieved CR at the 3-month Visit, defined as the time from first dose to the earliest date of recurrence or progression or death due to any cause, whichever occurred first.

  4. Incidence of treatment-emergent adverse events (TEAEs), serious TEAEs, TEAEs of special interest, and abnormal clinical laboratory test results (hematology, serum chemistry, and urinalysis). [ Time Frame: Up to 63 months ]
    The number of patients with each type of event will be summarized.

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  1. Capable of giving written informed consent, which includes compliance with the requirements and restrictions listed in the informed consent form (ICF) and the protocol.
  2. Patient who has LG NMIBC (Ta) histologically confirmed by cold cup biopsy at Screening or within 8 weeks before Screening.
  3. History of LG NMIBC requiring treatment with transurethral resection of bladder tumors (TURBT). Note: This refers to a previous episode(s) and not to the current episode for which the patient is being screened.
  4. Has intermediate risk disease, defined as having 1 or 2 of the following:

    • Presence of multiple tumors;
    • Solitary tumor > 3 cm;
    • Early or frequent recurrence (≥ 1 occurrence of LG NMIBC within 1 year of the current diagnosis at the initial Screening Visit).
  5. Negative voiding cytology for high grade (HG) disease within 8 weeks before Screening.
  6. Has adequate organ and bone marrow function as determined by routine laboratory tests as below:

    • Leukocytes ≥ 3,000 per μL;
    • Absolute neutrophil count ≥ 1,500 per μL;
    • Platelets ≥ 100,000 per μL;
    • Hemoglobin ≥ 9.0 g/dL;
    • Total bilirubin ≤ 1.5 x upper limit of normal (ULN);
    • Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤ 2.5 × ULN;
    • Alkaline phosphatase (ALP) ≤ 2.5 × ULN;
    • Estimated glomerular filtration rate (eGFR) ≥ 30 mL/min.
  7. Has an anticipated life expectancy of at least the duration of the trial.
  8. Contraceptive use by men and women should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies. Women of childbearing potential (defined as premenopausal women who have not been sterilized), including female patients and female partners of male patients, must be willing to use 2 acceptable forms of effective contraception from enrollment through 6 months post-treatment.

Exclusion Criteria:

  1. Received Bacillus Calmette-Guérin (BCG) treatment for urothelial carcinoma (UC) within previous 1 year.
  2. History of HG bladder cancer (papillary or carcinoma in situ [CIS]) in the past 2 years.
  3. Known allergy or sensitivity to mitomycin that in the Investigator's opinion cannot be readily managed.
  4. Clinically significant urethral stricture that would preclude passage of a urethral catheter.
  5. History of:

    • Neurogenic bladder;
    • Active urinary retention;
    • Any other condition that would prohibit normal voiding.
  6. Past or current muscle invasive bladder cancer (ie, T2, T3, T4) or metastatic UC.
  7. Current tumor grading of T1.
  8. Concurrent upper tract urothelial carcinoma (UTUC).
  9. Evidence of active urinary tract infection (UTI) that in the Investigator's opinion cannot be treated and resolved prior to biopsy and/or administration of study treatment.
  10. Is pregnant or breastfeeding.
  11. Has an underlying substance abuse or psychiatric disorder such that, in the opinion of the Investigator, the patient would be unable to comply with the protocol.
  12. History of prior treatment with an intravesical chemotherapeutic agent in the past 2 years except for a single dose of chemotherapy immediately after any previous TURBT.
  13. Has participated in a study with an investigational agent or device within 30 days of enrollment.
  14. Has previously participated in a study in which they received UGN-102.
  15. Has any other active malignancy requiring treatment with systemic anticancer therapy (eg, chemotherapy, immunotherapy, radiation therapy). Superficial cancers such as cutaneous basal cell or squamous cell carcinomas that can be treated locally are allowed.
  16. Has any other clinically significant medical or surgical condition that in the Investigator's opinion could compromise patient safety or the interpretation of study results.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT05243550

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Sponsors and Collaborators
UroGen Pharma Ltd.
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Principal Investigator: Sandip Prasad, MD Atlantic Health System
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Responsible Party: UroGen Pharma Ltd. Identifier: NCT05243550    
Other Study ID Numbers: BL011
First Posted: February 17, 2022    Key Record Dates
Last Update Posted: May 9, 2023
Last Verified: May 2023

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Keywords provided by UroGen Pharma Ltd.:
Non-muscle invasive bladder cancer
Low grade non-muscle invasive bladder cancer
Intermediate risk non-muscle invasive bladder cancer
Additional relevant MeSH terms:
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Urinary Bladder Neoplasms
Carcinoma, Transitional Cell
Non-Muscle Invasive Bladder Neoplasms
Neoplasms, Glandular and Epithelial
Neoplasms by Histologic Type
Urologic Neoplasms
Urogenital Neoplasms
Neoplasms by Site
Female Urogenital Diseases
Female Urogenital Diseases and Pregnancy Complications
Urogenital Diseases
Urinary Bladder Diseases
Urologic Diseases
Male Urogenital Diseases
Antibiotics, Antineoplastic
Antineoplastic Agents
Alkylating Agents
Molecular Mechanisms of Pharmacological Action
Nucleic Acid Synthesis Inhibitors
Enzyme Inhibitors