A Phase II Study of EC17 (Folate-hapten Conjugate) in Patients With Progressive Metastatic Renal Cell Carcinoma

Stopped early · Phase 2

Conditions studied: Renal Cell Carcinoma

In brief

This is a Phase 2 clinical trial to collect data on tumor responses produced by folate-hapten conjugate therapy (vaccination with EC90 \[KLH-FITC\] and GPI-0100 adjuvant followed by treatment with EC17 (folate-FITC) in combination with low-dose cytokines in patients with progressive metastatic renal cell carcinoma. All patients will undergo imaging with the investigational imaging agent 99mTc-EC20 (FolateScan) during the screening period to confirm eligibility for the treatment portion of the clinical trial.

Key facts

Study ID

NCT00485563

Run by

Endocyte

People needed

12

Starts

2007-06-01

Expected to finish

2009-03-01

Last updated by the study team

2012-03-08

Who can join

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

You may qualify if…

• Must have a histologically confirmed diagnosis of renal cell carcinoma (clear cell or predominately clear cell component). Papillary histology may also be enrolled (maximum of 6 patients)
• Must be diagnosed with relapsed or Stage IV disease that is medically or surgically unresectable and that has progressed after systemic therapy, including at least one agent in the general class of kinase inhibitors (TKI not required for papillary histology)
• Must have measurable/evaluable metastatic disease sites that have not previously received radiotherapy and which does not require palliative intervention (at the time of enrollment). Patients with non-measurable/evaluable disease are ineligible
• Must have at least one tumor lesion that displays uptake of 99mTc-EC20
• Must be > than or = 18 years of age
• Women must either be 1)not of child-bearing potential of 2)have a negative serum pregnancy test within 7 days prior to commencing treatment with investigational agents
• Must have completed prior cytotoxic chemotherapy, radiotherapy, immunotherapy or experimental therapy 30 or more days prior to study enrollment, and recovered (or returned to baseline) from associated acute toxicities. This restriction excludes palliative radiotherapy.
• Must have an ECOG score less than or equal to 2
• Must have adequate hematologic, renal, and heptic function

You may not qualify if…

• Must not have a history of severe hypersensitivity (grade 3 - 4 allergic reaction) to fluorescein, radiological contrast agent, cytokines, or have received fluorescein within 30 days of the study
• Must not have medical conditions that preclude the use of IL-2 or IFN-α.
• Must not be pregnant or breast-feeding
• Must not be currently undergoing chemotherapy, anticancer hormonal therapy, and/or therapy with immunosuppressant agents
• Must not be currently receiving bisphosphonates such as Zometa® (unless started > four weeks prior to treatment with EC90/GPI-0100, in which case they can be continued)
• Must not have any concomitant malignancy with the exception of basal cell or squamous cell carcinoma of skin
• Must not have radiographically documented evidence of current brain metastases, a history of stem cell transplant, immunodeficiency, and/or a medical or psychiatric illness (that in the investigator's opinion, would prevent adequate compliance with study therapy or evaluation of the endpoints)
• Must not have been administered another radiopharmaceutical that would interfere with the assessment of 99mTc-EC20
• Must not be unable to tolerate conditions for radionuclide imaging

Where it is running

• University of Nebraska Medical Center — Omaha, Nebraska, United States
• Hackensack University Medical Center — Hackensack, New Jersey, United States
• The Methodist Hospital Research Institute — Houston, Texas, United States

Full record on ClinicalTrials.gov

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