A Phase I Study of Active Immunotherapy With Carcinoembryonic Antigen RNA-Pulsed, Autologous Human Cultured Dendritic Cells in Patients With Metastatic Malignancies Expressing Carcinoembryonic Antigen
OBJECTIVES: I. Determine the safety and dose limiting toxicity of an intravenous vaccine of
autologous, cultured, dendritic cells pulsed with carcinoembryonic antigen (CEA) RNA in
patients with metastatic adenocarcinoma expressing CEA. II. Assess the cellular immune
response to the CEA protein. III. Assess the clinical and biochemical response to the
treatment and the duration of such response.
OUTLINE: This a three tiered, open label, uncontrolled, dose escalation study. The first 3
patients receive a low dose of intravenous carcinoembryonic antigen (CEA) RNA-pulsed
autologous dendritic cells (DC) at weeks 0, 1, 2, and 3. Patients are evaluated for dose
limiting toxicity (DLT), immune response, and the antitumor response for at least 1 week
before dose escalation may proceed. If there is no DLT in the first three, the next 3
patients are treated at a medium dose of CEA RNA-pulsed autologous DC at 0, 1, 2, and 3
weeks. Finally, if DLT is not seen at the medium dose, the final 6 patients receive
intravenous infusions of a high dose of CEA RNA-pulsed autologous DC at weeks 0, 1, 2, and
3. If 1-2 patient(s) experience DLT at the either the low or medium dose levels, 3 more
patients are entered at the same dose. If no further DLT occurs, then dose escalation
continues. As soon as 3 toxic events occur in 3-6 patients at one dose level, accrual at
that level ceases. The MTD is defined as the dose level immediately below that at which more
than 3 of 6 patients develop DLT.
PROJECTED ACCRUAL: A minimum of 3 and a maximum of 18 patients will be accrued for this
study.
Interventional
Endpoint Classification: Safety Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Safety
To determine the safety and dose limiting toxicity of intravenous injections of autologous, cultured, dendritic cells pulsed with CEA RNA.
12 months
Yes
Herbert K. Lyerly, MD
Study Chair
Duke Cancer Institute
United States: Federal Government
CDR0000065619
NCT00004604
February 1997
July 2002
Name | Location |
---|---|
Duke Comprehensive Cancer Center | Durham, North Carolina 27710 |