Antibody-Nanoparticle Conjugates for the Treatment of Drug Abuse

An antibody composition to treat drug use, drug addiction, and effects of drug use

APPLICATION

An antibody composition to treat drug use, drug addiction, and effects of drug use

KEY BENEFITS

• Multivalent antibody specific for methamphetamine
• High affinity
• Long lasting effect

MARKET SUMMARY

The socioeconomic impact of (+)-methamphetamine (METH) abuse is of great concern worldwide. Due to its multiple sites of action in the central nervous system (CNS), it is difficult to attenuate the detrimental effects of METH using a brain receptor antagonist or agonist. Currently, there are no FDA approved medications to treat METH addiction. The available therapies are mainly supportive and involve behavior modification. METH specific antibody-based medications that act as pharmacokinetic (PCKN) antagonists by reducing the concentration of METH in the brain and other crucial organs have shown promise as potential therapeutics. They alter the disposition of METH in the body, thus reducing the associated medical complications. However, the in vivo half-life of these METH specific antibody-based medications is too short to offer longer-term protection from the effects of METH and the active metabolite (+)-amphetamine (AMP). Accordingly, a need still exists for METH specific therapeutics that could reduce the concentration of METH in the CNS and offer long-term protection from the effects of METH and AMP.

TECHNICAL SUMMARY

The present invention provides antibody compositions including antibodies conjugated to nanoparticles having a higher in vivo half-life compared to either the antibody or nanoparticle alone. The antibody compositions have specificity and
affinity for amphetamine compounds. These antibody compositions recognize at least one of (+)amphetamine, (+)methamphetamine, and (+)3,4- methylenedioxymethamphetamine ((+)MDMA). Because of their specificity and affinity, the antibody compositions may be used to treat drug use, drug addiction, and effects of drug use in a subject.

DEVELOPMENT STAGE

Validated in an animal model

PATENT INFORMATION


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