Vaccine Produced Host Plant/Expression System Used Number of Human Subjects Details, Immune Response Obtained Reference
Norwalk Virus nucleocapsid Transgenic Potato 24 volunteers Oral consumption; IgA, IgM and IgG responses detected 24, 34
LT-B from enterotoxigenic E. coli Transgenic Corn 13 volunteers Oral consumption; IgA, IgG response detected 24, 34
LT-B from enterotoxigenic E.coli Transgenic Potato 14 volunteers Oral Consumption; IgA, IgG response detected 24, 34
HBsAg from Hepatitis B virus Transgenic potato 16 volunteers Oral consumption; 10 volunteers exhibited IgG serum response 36
HBsAg from Hepatitis B virus Transgenic Spinach 3 volunteers Oral consumption; 2 exhibited serum IgG response 31
Glycoprotein from Rabies virus Spinach infected with virus vector 9 volunteers Oral consumption; 5 demonstrated serologic IgG response 63
HA protein of H5N1 Influenza virus N. benthamiana infiltrated with vector Phase I completed successfully with 48 volunteers, Phase II in progress Virus-like particles, delivered by injection, IgG response as determined by hemagglutinin inhibition and neutralization assays 57
Non-Hodgkin Lymphoma anti-idiotype scFv N. benthamiana infiltrated with vector Phase I in progress with 16 patients suffering from NHL Delivered by injection, 11 had cellular immune response (T cell proliferation) and of these, 7 had a humoral response 58
Table 1: Human Clinical Trials using Vaccines derived from Plants.