Safety Study of Radio-labeled huA33 Antibody in Colorectal Cancer
Status: | Active, not recruiting |
---|---|
Conditions: | Colorectal Cancer, Cancer, Cancer |
Therapuetic Areas: | Oncology |
Healthy: | No |
Age Range: | 18 - Any |
Updated: | 5/3/2017 |
Start Date: | February 2004 |
End Date: | June 2018 |
A Pilot Study of Radioimmunodetection of 124-Iodine-labeled Humanized A33 Antibody (124I-huA33) in Patients With Colorectal Cancer
The purpose of this study is to determine whether our drug, 124I-huA33, can safely detect
colorectal cancer.
colorectal cancer.
This is an open-label, pilot study of a single 4mCi-10mCi/10mg IV dose of 124I-huA33 in
patients with colorectal cancer. Patients will be studied with 124I-huA33 positron-emission
tomography (PET), and in the subset of patients scheduled for surgery, based on clinical
indications, ex vivo quantitation of tumor uptake will also be performed. Patients will
receive a single intravenous or intraarterial infusion of 4 mCi-10mCi /10mg 124I-huA33 in
5-30ml of 5% human serum albumin (HSA), over 5-10 minutes. Patient will either receive the
124I-huA33 intravenously (IV) or intraarterially (IA) to determine if there is an advantage
of the IV vs the IA route. Following injection with 124I-huA33, on study days 2, 3, and/ or
4, patients will have the option to receive up to 2g/1kg of Immune Globulin (IVIG).
Blood samples will be obtained for pharmacokinetic analysis at 5, 15, 60, and 120 minutes
after completion of IV or IA infusion, on day 2, 3, and/ or 4, and before and after the PET
scan on the day of surgery or last imaging day (day 8 + 3). Patients scheduled for surgery
will undergo a PET scan of the abdomen and pelvis 1-6 hours prior to surgery.
In those patients undergoing surgery, surgery (or biopsy) will be scheduled to occur day 8
(± 3 days) days after administration of 124I-huA33. Biopsy sites may include tumor, tumor
bed, regional nodes, portal, suprapancreatic, celiac nodes and the retroperitoneum. Tumor
and normal tissue obtained at surgery (or biopsy), and serum will be measured for estimation
of percent-injected dose per gram of tumor, normal liver, and serum. Tissue samples will be
obtained for autoradiography and immunohistochemistry as an additional assessment of tumor
targeting.
Blood samples to determine immunogenicity will be taken at baseline and at 4 weeks.
Toxicity assessments will be made throughout the study period.
patients with colorectal cancer. Patients will be studied with 124I-huA33 positron-emission
tomography (PET), and in the subset of patients scheduled for surgery, based on clinical
indications, ex vivo quantitation of tumor uptake will also be performed. Patients will
receive a single intravenous or intraarterial infusion of 4 mCi-10mCi /10mg 124I-huA33 in
5-30ml of 5% human serum albumin (HSA), over 5-10 minutes. Patient will either receive the
124I-huA33 intravenously (IV) or intraarterially (IA) to determine if there is an advantage
of the IV vs the IA route. Following injection with 124I-huA33, on study days 2, 3, and/ or
4, patients will have the option to receive up to 2g/1kg of Immune Globulin (IVIG).
Blood samples will be obtained for pharmacokinetic analysis at 5, 15, 60, and 120 minutes
after completion of IV or IA infusion, on day 2, 3, and/ or 4, and before and after the PET
scan on the day of surgery or last imaging day (day 8 + 3). Patients scheduled for surgery
will undergo a PET scan of the abdomen and pelvis 1-6 hours prior to surgery.
In those patients undergoing surgery, surgery (or biopsy) will be scheduled to occur day 8
(± 3 days) days after administration of 124I-huA33. Biopsy sites may include tumor, tumor
bed, regional nodes, portal, suprapancreatic, celiac nodes and the retroperitoneum. Tumor
and normal tissue obtained at surgery (or biopsy), and serum will be measured for estimation
of percent-injected dose per gram of tumor, normal liver, and serum. Tissue samples will be
obtained for autoradiography and immunohistochemistry as an additional assessment of tumor
targeting.
Blood samples to determine immunogenicity will be taken at baseline and at 4 weeks.
Toxicity assessments will be made throughout the study period.
Inclusion Criteria:
- Primary or metastatic colorectal carcinoma, histologically confirmed at Memorial
Sloan-Kettering Cancer Center (MSKCC).
- Patients must be candidates for clinically indicated surgery/biopsy for
primary/metastatic colorectal cancer
- Expected survival of at least 3 months.
- Karnofsky performance status ≥ 70 (ECOG 0 or 1).
- The following laboratory results within the last 2 weeks prior to study day 1:
Absolute neutrophil count (ANC) ≥ 1.5 x 109/L Platelet count ≥ 75 x 109/L Serum bilirubin
≤ 2.5 mg/dL Serum creatinine ≤ 2.0 mg/dL White Blood Count (WBC) ≥ 3,000/mm3 Age ≥ 18
years. Children of all ages are not included as colon cancer is extremely rare in
children.
- Women of childbearing potential with confirmed negative pregnancy test on the day of
administration of study agent.
- Before any trial-specific procedures or treatment can be performed, the patient or
patient's legally authorized guardian or representative must give witnessed written
informed consent for participation in the tria
Exclusion Criteria:
- Clinically significant cardiac disease (New York Heart Association Class III/IV).
- Active CNS tumor involvement. Previous treatment with A33 or its fragment and/or a
positive test for huA33 HAHA.
- Lack of availability for immunological and clinical follow-up assessments.
- Participation in any other clinical trial involving another investigational agent
within 4 weeks prior to enrollment.
- Women who are pregnant or breast-feeding.
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