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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01689662
Other study ID # EC20.3
Secondary ID
Status Completed
Phase Phase 2
First received
Last updated
Start date August 2002
Est. completion date July 2003

Study information

Verified date September 2012
Source Endocyte
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The folate receptor (FR) is overexpressed by many different cancer types, including renal cell carcinoma. Besides helping in the diagnosis of cancer, a folate-targeted imaging agent could provide an effective method to identify folate receptor-positive (FR+) cancer patients that may benefit from folate-targeted therapy. Up to 40 subjects, with known or strongly suspected metastatic renal cell carcinoma with at least one target lesion detected by a diagnostic imaging procedure (e.g. ultrasonography, CT, or MRI), will be enrolled in this study.


Description:

The investigational new drug (FolateScan or Technetium Tc 99m EC20) is a folate-targeted diagnostic radiopharmaceutical designed to bind to the folate receptor. The folate receptor is a glycoprotein that is over-expressed in many types of cancer cells but it is only minimally distributed in normal tissues. Folate conjugates bind to the folate receptor with high affinity and are brought into the cell via endocytosis. In contrast, folic acid itself enters most normal cells via the reduced folate carrier, a pathway entirely inaccessible to folate conjugates. Therefore, these folate conjugates are specific to cancer cells. Endocyte's folate-targeted delivery system was applied towards the targeting of a diagnostic imaging agent (111In-DTPA-Folate) to ovarian cancer tumors. This proof-of-principle study was designed to demonstrate the ability of folate to target drugs to folate-receptor-positive (FR+) cancer tissue.


Recruitment information / eligibility

Status Completed
Enrollment 40
Est. completion date July 2003
Est. primary completion date
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Subjects must meet the following eligibility requirements to be enrolled in the study. 1. Subject must be 18 years of age or older. 2. Subject must have known or strongly suspected metastatic renal cell carcinoma with at least one target lesion as identified by ultrasonography, MRI, or CT. 3. Subject must have good kidney function. 4. Subject must provide written informed consent prior to enrollment. Exclusion Criteria: - Subjects must be excluded if any of the following conditions are present: 1. Subject is pregnant or breastfeeding. 2. Subject is simultaneously participating in another investigational drug study, excluding the follow-up phase. 3. Subject has received an investigational agent within 7 days prior to enrollment. 4. Subject is unable to tolerate conditions for radionuclide imaging. 5. Subject has been administered another radiopharmaceutical that would interfere with the assessment of Technetium Tc 99m EC20.

Study Design


Intervention

Drug:
Tc 99m EC20


Locations

Country Name City State
United States Baylor College of Medicine Houston Texas

Sponsors (1)

Lead Sponsor Collaborator
Endocyte

Country where clinical trial is conducted

United States, 

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