Browsing by Author "Baek, James J."

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    Roflumilast Treatment During Forced Abstinence Reduces Relapse to Methamphetamine Seeking and Taking
    (Wiley, 2022) Baek, James J.; Kline, Hannah; Deveau, Carmen M.; Yamamoto, Bryan K.; Pharmacology and Toxicology, School of Medicine
    Methamphetamine (METH) is a psychostimulant with high abuse potential. Currently there are no pharmacological treatments specific for METH abuse or stimulant use disorder generally. Although phosphodiesterase inhibitors have shown some promise, current animal models have not examined their use in abstinence from stimulant abuse. We employed a METH self-administration model in the rat followed by a forced abstinence period during which roflumilast, a phosphodiesterase 4 inhibitor, was administered. A detailed behavioral analysis of chronic treatment with roflumilast during 7 days of forced abstinence showed that roflumilast reduced METH seeking and METH taking upon subsequent relapse test. Roflumilast treatment during 7 days of forced abstinence did not affect sucrose seeking and sucrose taking behaviors. These data suggest that roflumilast may be a treatment for METH use disorder that is effective when administered only during abstinence.