Comparative Pharmacokinetics and Pharmacodynamics of Synthetic Nicotine

Trial statusRecruiting
Trial phasePhase 1
Trial typeInterventional
Biological sexAll
Age21-65
SponsorUniversity of California, San Francisco

About this trial

In a crossover study, experienced electronic cigarette users will vape 3 different forms of nicotine: natural (derived from tobacco), synthetic, or a 50:50 mixture of both natural and synthetic. The investigators will compare nicotine metabolism, cardiovascular effects, patterns of self-administration, and participants' feelings of craving/withdrawal and enjoyment.

Eligibility criteria

Qualifiers

Healthy on the basis of medical history and limited physical examination.

Current regular user of E-Cigarettes (≥ 15 days in the past 30 days)

Disqualifiers

• Medications

Use of medications that are inducers of nicotine metabolizing enzyme CYP2A6 (Example: rifampicin, carbamazepine, phenobarbital, and other anticonvulsant drugs).

Use of sympatholytic medications for cardiovascular conditions including hypertension (Example: beta and alpha-blockers).

Concurrent use of nicotine-containing medications (Example: nicotine patch, lozenge, gum).

Trial design

Treatments tested in this trial

  • (S)-Nicotine
  • (R)- nicotine
  • Racemic nicotine

Treatment groups

18 Participants
are divided into 3 treatment groups

Sponsors and collaborators

University of California, San Francisco

Lead sponsor

National Institute on Drug Abuse (NIDA)

Collaborator