A Study of Pembrolizumab+ sEphB4 in Metastatic Urothelial Carcinoma

  • STATUS
    Recruiting
  • End date
    Dec 31, 2025
  • participants needed
    38
  • sponsor
    Vasgene Therapeutics, Inc
Updated on 5 October 2021

Summary

sEphB-HSA may prevent tumor cells from multiplying and blocks several compounds that promote the growth of blood vessels that bring nutrients to the tumor. The purpose of this study is to evaluate the combination of Pembrolizumab + sEphB4-HSA in the population of patients with previously untreated advanced (metastatic or recurrent) urothelial carcinoma who are chemotherapy ineligible or who refuse chemotherapy.

Description

The combination of Pembrolizumab + sEphB4-HSA will be given through an intravenous infusion (into a vein). Each cycle of sEphB4-HSA will be given at Day 1, 8, and 15 of each 3 week cycle. Each cycle of Pembrolizumab will be given at Day 1 of each 3 week cycle.

Participants may continue on study protocol as long as they continue to respond and remains clinically stable on study medication.

Patients may come off treatment for the following reasons:

  • Disease progression.
  • If tumor resolves.
  • For participants who become pregnant.
  • Incidence or severity of adverse drug reaction in this or other studies indicates a potential health hazard to subjects.
  • Patient withdraws consent.
  • Study termination by the Sponsor.
  • Participants who are non-compliant with respect to taking drugs, keeping appointments, or having tests required for the evaluation of drug safety and efficacy.
  • Participant's condition renders them unacceptable for further treatment in the judgment of the investigator.

Details
Condition Metastatic Urothelial Carcinoma
Treatment Pembrolizumab + sEphB4-HSA
Clinical Study IdentifierNCT04486781
SponsorVasgene Therapeutics, Inc
Last Modified on5 October 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Be willing and able to provide written informed consent/assent for the trial
Age 18 years
Be treatment nave and have advanced (metastatic or recurrent) pathologically proven urothelial carcinoma. Patients progressing more than 12 months of their last dose of platinum-based neoadjuvant or adjuvant chemotherapy are eligible
Have a performance status of 0 or 1 on the ECOG Performance Scale
Demonstrate adequate organ function as defined in Table 1., all screening labs should be performed within 10 days of treatment initiation
Be ineligible for chemotherapy in the assessment of the treating physician or refusing chemotherapy in frontline setting. Cisplatin ineligibility is defined as Cresatinine Clearance (CrCl) < 60cc/min, NYHA class III hear failure, grade II neuropathy and grade II hearing loss, the latter two also apply to carboplatin-based chemotherapy
Be approved to begin treatment with pembrolizumab per standard of care and pembrolizumab must be available to the patient. Patient must enroll on this study prior to the receiving the second dose of pembrolizumab and prior to having restaging imaging after receiving pembrolizumab. Other PD1/PDL1 antibodies are now allowed
Have measurable disease based on RECIST 1.1. We request an OPTIONAL core biopsy from an accessible metastatic site after a minimum of 2 cycles of treatment AND prior to progression of disease to help the investigators better understand the activity of these drugs in tumor tissue
In addition, we request an OPTIONAL collection of any surgical specimens
obtained per standard of care during the study. For instance, specimens from
metastasectomy while patient is undergoing therapy on this study

Exclusion Criteria

Has a known history of Human Immunodeficiency Virus (HIV) (HIV 1/2 antibodies)
Has a diagnosis of immunodeficiency or is receiving systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior to the first dose of trial treatment
Has known active Hepatitis B (e.g., HBsAg reactive) or Hepatitis C (e.g., HCV RNA [qualitative] is detected)
Has a known history of active TB (Bacillus Tuberculosis)
Has active autoimmune disease that has required systemic treatment in the 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 a known additional malignancy that is progressing or requires active treatment. Exceptions include basal cell carcinoma potentially cured after surgery or prostate cancer that is under control by hormonal agents
Has known active central nervous system (CNS) metastases and/or carcinomatous meningitis. Treated brain metastases are allowed
Is pregnant or breastfeeding, or expecting to conceive or father children within the projected duration of the trial, starting with the screening visit through 120 days after the last dose of trial treatment
Has New York Heart Association (NYHA) class 3 or 4, myocardial infarction, acute coronary syndrome, diabetes mellitus with ketoacidosis or chronic obstructive pulmonary disease (COPD) requiring hospitalization in the preceding 6 months; or any other intercurrent medical condition that contraindicates treatment with sEphB4HSA or pembrolizumab or places the patient at undue risk for treatment related complications
Has received a live vaccine within 30 days of planned start of study therapy. Note: Seasonal influenza vaccines for injection are generally inactivated flu vaccines and are allowed; however intranasal influenza vaccines (e.g., Flu-Mist) are live attenuated vaccines, and are not allowed
Uncontrolled hypertension is excluded- systolic blood pressure >140mmHg or diastolic >90mmHg. Patients experiencing white coat hypertension the office, may be considered eligible if blood pressure log at home is within acceptable limits AND upon review and agreement from the Sponsor
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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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Complete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.

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