A drug-drug conditioning paradigm reveals multiple antipsychotic-nicotine interactions

Min Feng, Nathan L. Sparkman, Nan Sui, Ming Li

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Clinical studies indicate a reciprocal impact between nicotine use and antipsychotic medications in patients with schizophrenia. The present study used a conditioned avoidance response (CAR) test (a behavioral test of antipsychotic effect) and examined the specific drug-drug interactions between nicotine and haloperidol or clozapine. Following acquisition of the avoidance response, rats were first tested under either vehicle, nicotine (0.2, 0.4 mg/kg, sc), haloperidol (0.025, 0.05 mg/kg, sc), clozapine (5.0, 10.0 mg/kg, sc), or a combination of nicotine and haloperidol or nicotine and clozapine for seven consecutive days. Afterward, they were challenged with nicotine (0.2 mg/kg), haloperidol (0.025 mg/kg), or clozapine (5.0 mg/kg) in the CAR to assess if haloperidol or clozapine affected the behavioral effect of nicotine on avoidance response and if nicotine altered the avoidance suppressive effect of haloperidol and clozapine. During the seven avoidance drug test days, nicotine did not alter the avoidance suppressive effect of haloperidol or clozapine. However, in the challenge test, prior nicotine treatment (0.2 mg/kg) attenuated haloperidol's (0.05 mg/kg) sensitized effect on avoidance response. On the other hand, prior haloperidol treatment increased nicotine's (0.2 mg/kg) avoidance disruptive effect, and even engendered nicotine 0.4 mg/kg to exhibit an "acquired" avoidance suppressive effect. The combined nicotine and clozapine treatment did not produce any detectable interactive effects on avoidance response and motor activity. These findings suggest that nicotine is capable of altering the long-term antipsychotic efficacy of haloperidol, while haloperidol can alter the behavioral effects of nicotine. Clozapine and nicotine are less likely to influence each other.

Original languageEnglish (US)
Pages (from-to)474-486
Number of pages13
JournalJournal of Psychopharmacology
Volume31
Issue number4
DOIs
StatePublished - Apr 1 2017

Fingerprint

Nicotine
Antipsychotic Agents
Haloperidol
Clozapine
Pharmaceutical Preparations
Conditioning (Psychology)
Drug Interactions
Schizophrenia
Motor Activity

Keywords

  • Antipsychotic drugs
  • conditioned avoidance response
  • drug-drug conditioning
  • nicotine
  • nicotine-antipsychotic drugs interaction
  • rat
  • schizophrenia

ASJC Scopus subject areas

  • Pharmacology
  • Psychiatry and Mental health
  • Pharmacology (medical)

Cite this

A drug-drug conditioning paradigm reveals multiple antipsychotic-nicotine interactions. / Feng, Min; Sparkman, Nathan L.; Sui, Nan; Li, Ming.

In: Journal of Psychopharmacology, Vol. 31, No. 4, 01.04.2017, p. 474-486.

Research output: Contribution to journalArticle

Feng, Min ; Sparkman, Nathan L. ; Sui, Nan ; Li, Ming. / A drug-drug conditioning paradigm reveals multiple antipsychotic-nicotine interactions. In: Journal of Psychopharmacology. 2017 ; Vol. 31, No. 4. pp. 474-486.
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abstract = "Clinical studies indicate a reciprocal impact between nicotine use and antipsychotic medications in patients with schizophrenia. The present study used a conditioned avoidance response (CAR) test (a behavioral test of antipsychotic effect) and examined the specific drug-drug interactions between nicotine and haloperidol or clozapine. Following acquisition of the avoidance response, rats were first tested under either vehicle, nicotine (0.2, 0.4 mg/kg, sc), haloperidol (0.025, 0.05 mg/kg, sc), clozapine (5.0, 10.0 mg/kg, sc), or a combination of nicotine and haloperidol or nicotine and clozapine for seven consecutive days. Afterward, they were challenged with nicotine (0.2 mg/kg), haloperidol (0.025 mg/kg), or clozapine (5.0 mg/kg) in the CAR to assess if haloperidol or clozapine affected the behavioral effect of nicotine on avoidance response and if nicotine altered the avoidance suppressive effect of haloperidol and clozapine. During the seven avoidance drug test days, nicotine did not alter the avoidance suppressive effect of haloperidol or clozapine. However, in the challenge test, prior nicotine treatment (0.2 mg/kg) attenuated haloperidol's (0.05 mg/kg) sensitized effect on avoidance response. On the other hand, prior haloperidol treatment increased nicotine's (0.2 mg/kg) avoidance disruptive effect, and even engendered nicotine 0.4 mg/kg to exhibit an {"}acquired{"} avoidance suppressive effect. The combined nicotine and clozapine treatment did not produce any detectable interactive effects on avoidance response and motor activity. These findings suggest that nicotine is capable of altering the long-term antipsychotic efficacy of haloperidol, while haloperidol can alter the behavioral effects of nicotine. Clozapine and nicotine are less likely to influence each other.",
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