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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT00477503
Other study ID # 2006-0623
Secondary ID
Status Terminated
Phase Phase 1
First received May 21, 2007
Last updated July 31, 2012
Start date May 2007
Est. completion date July 2009

Study information

Verified date July 2012
Source M.D. Anderson Cancer Center
Contact n/a
Is FDA regulated No
Health authority United States: Food and Drug Administration
Study type Interventional

Clinical Trial Summary

- Primary Objective will be to evaluate the use of Ga-67 citrate as an alternative radiopharmaceutical for CSF imaging.

- Secondary Objective will be to evaluate the biodistribution, pharmacokinetics and radiation dosimetry of In 111 DTPA and gallium-67 after intrathecal injection during remission of leptomeningeal metastasis (LM) and during LM occurrence, remission and recurrence.


Description:

In-111 DTPA is a radioactive dye that is standardly used to check the flow of CSF. Ga-67 citrate has been used to detect inflammation and tumors in other parts of the body, and researchers want to learn if it is also able to detect tumors in the brain and spinal cord.

Before you can be enrolled in this study, you will have "screening tests." These tests will help the doctor decide if you are eligible to take part in this study. Blood (about 1-2 tablespoons) will be drawn for routine tests. This routine blood draw will include a pregnancy test for women who are able to have children. To be eligible to take part in this study, the pregnancy test must be negative.

If you are found to be eligible to take part in this study, you will be assigned to 1 of 3 groups. The group you are assigned to will depend on whether tumor cells were found in the CSF during your last spinal fluid exam. If you were found to have cancer cells in the CSF and you have had no earlier treatment for this type of disease, the first 5 participants will be assigned to Group A and will be given Ga-67 citrate injection alone, in the baseline study. The next 5 participants who have cancer cells in the CSF and have had no earlier treatment will be assigned to Group B. Group B will have Ga-67 and In 111 DTPA injection in the baseline study. Otherwise, if the tumors in the CSF have been treated and are now cleared from the CSF, you will be assigned to Group C and will receive standard follow-up care.

At the beginning of the study, you will have an imaging session. This first imaging session is called the "baseline" session. For the imaging, you will lie on a gamma camera table. Depending on which group you are in, one or both of the radioactive dyes will be injected into your CSF through the Ommaya reservoir. If you are in Group B or C, both In-111 DTPA and Ga-67 citrate will be injected over about 2-4 minutes, total. If you are in Group A, Ga-67 citrate alone will be injected over about 2 minutes.

For participants who are 2-17 years old, the doses of In-111 DTPA and Ga-67 citrate will be adjusted to the surface area of your body (a measurement of your body size).

During the hour immediately following the injections, your head, neck, and back areas will be imaged (scanned) in order to see how the CSF flows. After that, you will have scans of your entire body performed in order to see how quickly the radioactive dyes leave from different parts of your body. These whole-body scans will each last 20 minutes. These scans (1 each time) will occur at 1-2, 3-4, 6-8, 22-24, 28-32, 48, and 72 hours after the injections. You will have blood samples collected before injection and during each imaging session in order to measure how much radiation is absorbed by different parts of your brain, spine, and other organs. These blood samples (less than ΒΌ teaspoon each time) will be drawn during each of the whole-body scans.

If you are in Group A or B, you will receive standard follow-up care for up to 52 weeks after the baseline imaging session. This is in order to check the status of the disease. If the cancer goes into remission (no tumor cells are found in CSF) at any time during the 52 weeks, you will have a follow-up imaging session. The follow-up imaging session will include the same procedures, and In-111 DTPA and/or Ga-67 citrate injections as the baseline imaging session.

If you are in Group C, you will receive standard follow-up care for up to 52 weeks after the baseline imaging session. If the cancer reappears at any time during the 52 weeks, you will have a follow-up imaging session. The follow-up imaging session will include the same procedures, and In-111 DTPA and Ga-67 citrate injections as the baseline imaging session.

Whether you are in Group A, B or C, after your last follow-up imaging session, your participation in this study will be over. If your cancer clears from the spinal fluid, the records from your routine visit to the neuro-oncology clinic will be reviewed to follow your progress until 30 days after the radioisotope injection for your last imaging session. Researchers will review your medical records for potential side effects. If you do not have a clinical visit within a week from that 30th day, the study chair will contact you by phone concerning these matters.

This is an investigational study. In-111 DTPA is commercially available and FDA approved for injection into the CSF. Although Ga-67 citrate is FDA approved for injection into a vein, it is not FDA approved for injection into the CSF. It is commercially available, but injecting it into the CSF has only been authorized for use in research. Up to 20 patients will take part in this study. All will be enrolled at M. D. Anderson.


Recruitment information / eligibility

Status Terminated
Enrollment 1
Est. completion date July 2009
Est. primary completion date July 2009
Accepts healthy volunteers No
Gender Both
Age group 2 Years and older
Eligibility Inclusion Criteria:

- Participants must have provided informed consent.

- Participants must be 2 years of age or older.

- Participants must have known history of LM as established by CSF cytology.

- Participants must have an Ommaya reservoir implanted at least 2 days before the study.

- Participants with ventriculoperitoneal shunts are eligible as long as the shunt is not in the "open" position during the imaging session.

- Participants with adequate renal and hepatic function. Creatinine =< 1.4 mg/dL Bilirubin =< 2.0 mg/dL BUN =< 30 SGOT (AST), alkaline phosphatase =<3 x upper norm (Institutional norm of SGOT = 7-56 mIU/ml and alkaline phosphatase = 38-126 IU/L.).

- Urine analysis within normal limits.

- Women of child bearing potential (WOCBP) must have a negative serum B-HCG pregnancy test within 7 days of treatment. WOCBP is defined as not post-menopausal for 12 months or no previous surgical sterilization.

Exclusion Criteria:

- Participants on concurrent external beam radiation therapy to the brain or spine during the planned nuclear imaging sessions.

- Participants on concurrent intrathecal chemotherapy during imaging sessions.

- Participants with Karnofsky Performance Scale <50 or Zubrod Performance Scale >2.

- Participants with known or suspected renal or hepatic disease that have not been adequately treated to achieve normalized liver function tests or renal function tests to the above eligible criteria.

- Participants with known history of claustrophobia, as established by medical records or claimed by patient.

Study Design

Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Intervention

Drug:
Gallium-67 Citrate (Ga-67)
Group A: Ga-67 citrate injection alone, in the baseline study. Group B: Ga-67 and In 111 DTPA injection in the baseline study. Group C: Standard of care with Ga-67 and In 111 DTPA injection in baseline study.
In-111 DTPA (In-111 pentetate)
Group B: Ga-67 and In 111 DTPA injection in the baseline study. Group C: Standard of care with Ga-67 and In 111 DTPA injection in baseline study.

Locations

Country Name City State
United States The University of Texas M.D. Anderson Cancer Center Houston Texas

Sponsors (1)

Lead Sponsor Collaborator
M.D. Anderson Cancer Center

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary To compare Ga-67 citrate with a standard radioactive dye in order to learn if Ga-67 citrate can help doctors to check the flow of CSF for any blockage. 3 years Yes
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