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This protocol is designed to ascertain whether the bacteriophage 0X174 neoantigen is safe and effective as an antigen used in the evaluation of primary and secondary immune responses. Bacteriophage 0X174 is given intravenously 2 billion PFU/Kg of body weight; small blood specimens of 3-5 ml (about 1 teaspoon) are collected after 15 minutes, 7 days, 14 days, and 28 days. Blood is collected at intervals following the administration of the bacteriophage and the number of phage/ml is determined by the agar overlay method using suspension of E. coli C and serially diluted patient's serum. Phage-specific IgG and IgM are measured by neutralization assay. Capacity of switch from IgM to IgG is determined.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Bacteriophage | Experimental | Subjects receive bacteriophage vaccinations and blood draws |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Bacteriophage OX174 | Biological | Give first dose of bacteriophage (2 x 109 PFU/kg body weight (0.02 ml/kg)) at visit one. Obtain labs prior to vaccine, 15 minutes, 1 week, 2 weeks, and 4 weeks after vaccine. 6 weeks after 1st vaccine, obtain blood, give 2nd dose of bacteriophage, obtain labs 15 minutes, 1 week, 2 weeks, and 4 weeks after vaccine. Selected patients may receive a tertiary vaccine. |
| Measure | Description | Time Frame |
|---|---|---|
| Evidence of capacity of switch from IgM to IgG. | Blood samples are obtained after each immunizition of Bacteriophage. | 12 weeks |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Carla Duff, RN BSN CCRP | Contact | 727-553-3515 | cduff@health.usf.edu | |
| Amy Kramer | Contact | 727-553-1258 | akramer@health.usf.edu |
| Name | Affiliation | Role |
|---|---|---|
| John W Sleasman, MD | University of South Florida | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of South Florida | Recruiting | St. Petersburg | Florida | 33701 | United States |
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| ID | Term |
|---|---|
| D000081207 | Primary Immunodeficiency Diseases |
| D000084063 | Reinfection |
| ID | Term |
|---|---|
| D030342 | Genetic Diseases, Inborn |
| D009358 | Congenital, Hereditary, and Neonatal Diseases and Abnormalities |
| D007153 | Immunologic Deficiency Syndromes |
| D007154 | Immune System Diseases |
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|
| D012008 | Recurrence |
| D020969 | Disease Attributes |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |