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Urothelial CarcinomaPhase 2NCT03486197

Neutron Radiation Therapy and Pembrolizumab in Treating Participants With Advanced Urothelial Carcinoma

A Phase 2 study testing Laboratory Biomarker Analysis, Pembrolizumab and Radiation Therapy in people with Urothelial Carcinoma, run by University of Washington at 1 site in United States.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

This phase II trial studies how well neutron radiation therapy and pembrolizumab work in treating participants with urothelial carcinoma that has spread to other places in the body. Neutron radiation therapy uses high energy neutrons to kill tumor cells and shrink tumors. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Urothelial Carcinoma
What is being tested?
Laboratory Biomarker Analysis, Pembrolizumab and Radiation Therapy
Could I receive a placebo?
No, everyone receives an active treatment
How many people
12 participants
Where
1 siteUnited States
Study dates
17 Jan 2019to 1 May 2024
Phase
Phase 2
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Pathologically proven (either histologic or cytologic) diagnosis of urothelial carcinoma
  • At least two sites of disease that are measurable by Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 criteria
  • Eligible for checkpoint inhibitor immunotherapy (pembrolizumab) per standard of care
  • No history of autoimmune disease requiring systemic therapy (e.g. steroids or biologic agents)
  • Absolute neutrophil count (ANC) ≥ 1500 /mcL
  • Platelets ≥ 100,000/mcL
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  • Hemoglobin > 9 g/dL
  • Creatinine ≤ 1.5 x upper limit of normal (ULN) OR ≥ 60 mL/min
  • Total bilirubin ≤ 1.5 ULN OR direct bilirubin ≤ ULN if total bilirubin > 1.5 x ULN
  • Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤ 2.5 x ULN OR < 5 x ULN if patient has liver metastasis
  • Albumin >= 2.5 g/dL
  • International normalized ratio (INR) or PT ≤ 1.5 x ULN unless on anticoagulation therapy, in which case prothrombin time (PT) or partial thromboplastin time (PTT) should be in the therapeutic range
  • PTT ≤ 1.5 x ULN unless on anticoagulation therapy, in which case PT or PTT should be in the therapeutic range
  • Eligible for neutron radiation treatment to 1-3 sites of metastatic disease (lesions do not have to be symptomatic)
  • No steroids for at least 2 weeks prior to enrollment, and patient must not be expected to require steroids during the study period
  • Zubrod performance status 0-2
  • Patient must sign study specific informed consent prior to study entry
  • Patients who are sexually active must use medically acceptable forms of contraception
  • Life expectancy must be > 3 months

Who cannot join

  • Has a known history of active TB (Bacillus tuberculosis)
  • Hypersensitivity to pembrolizumab or any of its excipients
  • Has a known additional malignancy that is progressing or requires active treatment
  • Has received prior therapy with an anti-PD-1, anti-PD-L1, or anti-PD-L2 agent
  • Has a known history of human immunodeficiency virus (HIV) (HIV 1/2 antibodies)
  • Has known active hepatitis B (e.g., hepatitis B virus surface antigen [HBsAg] reactive) or hepatitis C (e.g., hepatitis C virus [HCV] ribonucleic acid [RNA] [qualitative] is detected)
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  • Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial
  • Has 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
  • Has known history of, or any evidence of active, non-infectious pneumonitis
  • Has an active infection requiring systemic therapy
  • Has received a live vaccine within 30 days of planned start of study therapy
  • Has known active central nervous system (CNS) metastases and/or carcinomatous meningitis; subjects with previously treated brain metastases may participate provided there is no evidence of new or enlarging brain metastases, and are not using steroids for at least 7 days prior to trial treatment; this exception does not include carcinomatous meningitis which is excluded regardless of clinical stability

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Fred Hutch/University of Washington Cancer Consortium

    Seattle, Washington, 98109

Other trials in United States

About this study

Official title: Phase II Trial of Neutron Radiotherapy With Concurrent Checkpoint Inhibitor Immunotherapy (Pembrolizumab) in Patients With Advanced Urothelial Carcinoma

This phase II trial studies how well neutron radiation therapy and pembrolizumab work in treating participants with urothelial carcinoma that has spread to other places in the body. Neutron radiation therapy uses high energy neutrons to kill tumor cells and shrink tumors. Immunotherapy with monoclonal antibodies, such as pembrolizumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Giving radiation therapy and pembrolizumab may work better than radiation alone in treating participants with urothelial carcinoma that has spread to other places in the body.

Read the detailed description

OUTLINE:

Participants receive pembrolizumab intravenously (IV) on days 1 and 22. On day 23, participants may undergo an optional tumor biopsy and receive 3-5 treatments of neutron radiation therapy over 2 weeks on days 23-42. Participants receive pembrolizumab IV on day 43 and continue per standard of care in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, participants are followed up every 3 months.

Being tested
Laboratory Biomarker Analysis, Pembrolizumab, Radiation Therapy
Medical subject headings
Carcinoma, Transitional Cell

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Laboratory Biomarker AnalysisOther

    Correlative studies

  • PembrolizumabBiological

    Also called Keytruda, Lambrolizumab, MK-3475, SCH 900475

    Given IV

  • Radiation TherapyRadiation

    Also called Cancer Radiotherapy, Irradiate, Irradiated, irradiation

    Undergo neutron radiation therapy

Study groups in NCT03486197
Study groupRoleWhat they receive
Treatment (Pembrolizumab, neutron radiation therapy)ExperimentalParticipants receive pembrolizumab IV on days 1 and 22. On day 23, participants may undergo an optional tumor biopsy and receive 3-5 treatments of neutron radiation therapy over 2 weeks on days 23-42. Participants receive pembrolizumab IV on day 43 and continue per standard of care in the absence of disease progression or unacceptable toxicity.
Receives: Other: Laboratory Biomarker Analysis; Biological: Pembrolizumab; Radiation: Radiation Therapy

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Overall Response Rate Per Immune-modified Response Evaluation Criteria in Solid Tumors

    Overall response rate will be calculated as the percentage of patients achieving a partial response or complete response.

    Measured: Up to 1 year

Secondary outcomes (2)
  1. Overall Survival

    Final statistical analyses of OS will consist of Kaplan-Meier estimation.

    Measured: At 1 year

  2. Progression-free Survival

    Final statistical analyses of PFS will consist of Kaplan-Meier estimation.

    Measured: At 1 year

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted3 Apr 2018
  2. Study start17 Jan 2019
  3. Primary completion1 Nov 2023
  4. Study completion1 May 2024

Why it stopped: Closed per SRC Low Accrual Policy

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
12 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03486197
Sponsor's protocol ID
9940
Other IDs
NCI-2018-00412, 9940, RG3118000
Status last verified
Oct 2024
First submitted
27 Mar 2018
Last updated
20 Nov 2024
FDA-regulated drug
Yes
FDA-regulated device
Yes
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Laboratory Biomarker Analysis, Pembrolizumab and Radiation Therapy in people with Urothelial Carcinoma, run by University of Washington at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 19 inclusion and 12 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 20 Nov 2024. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 20 Nov 2024). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Overall Response Rate Per Immune-modified Response Evaluation Criteria in Solid Tumors (time frame: Up to 1 year). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 20 Nov 2024.

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