Therapeutic Cocaine Vaccine: Human Laboratory Study
| Status: | Completed |
|---|---|
| Conditions: | Psychiatric, Pulmonary |
| Therapuetic Areas: | Psychiatry / Psychology, Pulmonary / Respiratory Diseases |
| Healthy: | No |
| Age Range: | 21 - 45 |
| Updated: | 12/13/2017 |
| Start Date: | March 2003 |
| End Date: | August 2009 |
Tests of a Therapeutic Cocaine Vaccine
Clinical data demonstrate that a cocaine vaccine (TA-CD: Celtic Pharmaceutical) produces
selective anti-cocaine antibodies, yet the impact of these antibodies on cocaine's direct
effects is unknown. The objective of this human laboratory study was to measure the
relationship between antibody titers and the effects of smoked cocaine on ratings of
intoxication, craving and cardiovascular effects.
Cocaine-dependent volunteers not seeking drug treatment spend 2 nights per week for 13 weeks
inpatient where the effects of cocaine (0, 25, 50 mg) are determined prior to vaccination and
at weekly intervals thereafter. Vaccinations occur at weeks 1, 3, 5 and 9.
selective anti-cocaine antibodies, yet the impact of these antibodies on cocaine's direct
effects is unknown. The objective of this human laboratory study was to measure the
relationship between antibody titers and the effects of smoked cocaine on ratings of
intoxication, craving and cardiovascular effects.
Cocaine-dependent volunteers not seeking drug treatment spend 2 nights per week for 13 weeks
inpatient where the effects of cocaine (0, 25, 50 mg) are determined prior to vaccination and
at weekly intervals thereafter. Vaccinations occur at weeks 1, 3, 5 and 9.
I do not desire to provide a more extensive description.
Inclusion Criteria:
1. Meets DSM-IV criteria for current cocaine dependence. The volunteer may meet criteria
for other substance abuse, but not dependence (other than nicotine).
2. Primary route of cocaine administration is smoking.
3. Age 21-45.
4. Females must be surgically sterilized or post- menopausal
5. Able to give informed consent, and comply with study procedures.
Exclusion Criteria:
1. Dependence on substances other than cocaine or nicotine.
2. Judged to be noncompliant with study protocol.
3. History of autoimmune disease, immune deficiency or hypersensitivity to other
vaccines. An HIV test must be negative.
4. Currently uses drugs intravenously
5. Currently taking any psychotropic medication
6. Laboratory tests that are clinically unacceptable to the study physician (BP > 140/90;
BUN, creatinine, LFTs > 1.5 ULN; hematocrit < 34 for women, < 36 for men)
7. Blood or blood products given in the three months prior to vaccination
8. Other vaccines, including flu vaccine, given within 30 days of screening.
9. Ongoing active infection
10. Currently taking immunosuppressives -
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