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| R B RothmanSummaryAffiliation: National Institutes of Health Country: USA Publications
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Amphetamine-type central nervous system stimulants release norepinephrine more potently than they release dopamine and serotoninR B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, NIDA, NIH, Baltimore, Maryland 21224, USA
Synapse 39:32-41. 2001..These results suggest that NE may contribute to the amphetamine-type subjective effects of stimulants in humans...
Methamphetamine dependence: medication development efforts based on the dual deficit model of stimulant addictionR B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, NIDA, NIH, Baltimore, Maryland 21224, USA
Ann N Y Acad Sci 914:71-81. 2000..This paper reviews two approaches, based on the dual deficit model, taken by our laboratory to develop medications to treat stimulant abuse...
Studies of the biogenic amine transporters. 10. Characterization of a novel cocaine binding site in brain membranes prepared from dopamine transporter knockout miceRichard B Rothman
IRP, NIDA, NIH, Baltimore, Maryland 21224, USA
Synapse 44:94-105. 2002..Further progress in delineating the function of site "X" will depend on developing potent and selective agents for this site...
Monoamine transporters and psychostimulant drugsRichard B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, 5500 Nathan Shock Drive, PO Box 5180, Baltimore, MD 21224, USA
Eur J Pharmacol 479:23-40. 2003..Future medications discovery efforts should focus on identifying new compounds which possess the equipotent substrate activity at DAT and SERT, but which lack the adverse effects of stimulants developed decades ago...
High-dose fenfluramine administration decreases serotonin transporter binding, but not serotonin transporter protein levels, in rat forebrainRichard B Rothman
Clinical Psychopharmacology Section, National Institute on Drug Abuse, National Institutes of Health, Baltimore, Maryland 21224, USA
Synapse 50:233-9. 2003..These results support the hypothesis that decreases in tissue 5-HT and SERT binding sites induced by D-FEN and PCA reflect neuroadaptive changes, rather than neurotoxic effects...
In vitro characterization of ephedrine-related stereoisomers at biogenic amine transporters and the receptorome reveals selective actions as norepinephrine transporter substratesRichard B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, MD 21224, USA
J Pharmacol Exp Ther 307:138-45. 2003....
Endogenous CART peptide regulates mu opioid and serotonin 5-HT(2A) receptorsRichard B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, PO Box 5180, 5500 Nathan Shock Drive, Baltimore, MD 21224, USA
Peptides 24:413-7. 2003..The results demonstrated that anti-CART peptide IgG up-regulates mu and 5-HT(2A) receptor in the hippocampus and caudate We conclude that CART peptides in the cerebrospinal fluid may exert regulatory effects in the brain...
(+)-Fenfluramine and its major metabolite, (+)-norfenfluramine, are potent substrates for norepinephrine transportersRichard B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, 5500 Nathan Shock Dr, P O Box 5180, Baltimore, MD 21224, USA
J Pharmacol Exp Ther 305:1191-9. 2003..Release of NE and DA evoked by (+)-norfenfluramine is at least partly mediated via NE transporters. Our results emphasize the potential involvement of noradrenergic mechanisms in the actions of fenfluramines...
Endogenous corticotropin releasing factor regulates adrenergic and opioid receptorsRichard B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, MD 21224, USA
Peptides 23:2177-80. 2002..The results demonstrated that anti-CRF IgG upregulates mu and beta-adrenergic receptors. We conclude that CRF in the cerebrospinal fluid may exert regulatory effects throughout the brain...
Interaction of the anorectic medication, phendimetrazine, and its metabolites with monoamine transporters in rat brainRichard B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, NIDA, NIH, 5500 Nathan Shock Drive, 21224, Baltimore, MD, USA
Eur J Pharmacol 447:51-7. 2002..The collective findings suggest that phendimetrazine is a "prodrug" that is converted to the active metabolite phenmetrazine, a potent substrate for norepinephrine and dopamine transporters...
Serotonin releasing agents. Neurochemical, therapeutic and adverse effectsRichard B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, P O Box 5180, 5500 Nathan Shock Drive, Baltimore, MD 21224, USA
Pharmacol Biochem Behav 71:825-36. 2002..Viewed collectively, it seems possible to develop new medications that selectively release 5-HT without the adverse effects of PPH, VHD or neurotoxicity. Such agents may have utility in treating a variety of psychiatric disorders...
Targeted screening for biogenic amine transporters: potential applications for natural productsRichard B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, NIDA, NIH, 5500 Nathan Shock Drive, Baltimore, MD 21224, USA
Life Sci 78:512-8. 2005..The potential application of these methods to characterizing natural products will be discussed in reference to results obtained with "purified" natural products, such as ephedrine stereoisomers...
An open-label study of a functional opioid kappa antagonist in the treatment of opioid dependenceR B Rothman
National Institute on Drug Abuse, National Institutes of Health, 5500 Nathan Shock Drive, Baltimore, MD 21224, USA
J Subst Abuse Treat 18:277-81. 2000..The positive response to treatment exceeds that expected from naltrexone alone (90% dropout). These promising results suggest that controlled studies of this medication combination should be conducted...
Neurochemical neutralization of methamphetamine with high-affinity nonselective inhibitors of biogenic amine transporters: a pharmacological strategy for treating stimulant abuseR B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, NIDA, NIH, Baltimore, Maryland, USA
Synapse 35:222-7. 2000..The major finding reported here is that indatraline blocks the ability of METH and MDMA to release these neurotransmitters. Synapse 35:222-227, 2000. Published 2000 Wiley-Liss, Inc...
Evidence for noncompetitive modulation of substrate-induced serotonin releaseRichard B Rothman
Clinical Psychopharmacology, IRP, NIDA, NIH, DHHS, Baltimore, Maryland, USA
Synapse 64:862-9. 2010..Viewed collectively, these findings suggest that it may be possible to design SERT inhibitors that differentially regulate SERT function...
Therapeutic potential of monoamine transporter substratesRichard B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, Maryland 21224, USA
Curr Top Med Chem 6:1845-59. 2006..g., fenfluramine) and DA releasers (e.g., amphetamine). Our findings demonstrate the feasibility of developing non-amphetamine releasing agents as potential treatments for substance abuse disorders and other psychiatric conditions...
Substituted amphetamines that produce long-term serotonin depletion in rat brain ("neurotoxicity") do not decrease serotonin transporter protein expressionRichard B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, Maryland 21224, USA
Ann N Y Acad Sci 1025:151-61. 2004..These results support the hypothesis that D-FEN- and PCA-induced decreases in tissue 5-HT and SERT binding sites reflect neuroadaptive changes rather than neurotoxic effects...
Aminorex, fenfluramine, and chlorphentermine are serotonin transporter substrates. Implications for primary pulmonary hypertensionR B Rothman
Clinical Psychopharmacology Section, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, Baltimore, MD, USA
Circulation 100:869-75. 1999..Development of new medications that produce neurochemical effects like phen/fen without causing unwanted side effects would be a significant therapeutic breakthrough...
1-(m-chlorophenyl)piperazine (mCPP) dissociates in vivo serotonin release from long-term serotonin depletion in rat brainM H Baumann
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, MD 21224, USA
Neuropsychopharmacology 24:492-501. 2001..Our data support the notion that 5-HT release per se may not be sufficient to produce the long-term 5-HT deficits associated with d-fenfluramine and other amphetamines...
Serotonin transporters, serotonin release, and the mechanism of fenfluramine neurotoxicityM H Baumann
Medications Development Research Branch, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, Maryland 21224, USA
Ann N Y Acad Sci 914:172-86. 2000..The relevance of this hypothesis for explaining clinical side effects of FEN and dFEN, such as cardiac valvulopathy and primary pulmonary hypertension, warrants further study...
Discovery of novel peptidic dopamine transporter ligands by screening a positional scanning combinatorial hexapeptide libraryR B Rothman
Clinical Psychopharmacology Section, DIR, NIDA, NIH, Baltimore, Maryland, USA
Synapse 33:239-46. 1999..These data demonstrate that peptides can function as inhibitors of biogenic amine transport. Future work will focus on developing more potent and selective peptides. Published 1999 Wiley-Liss, Inc...
Synthesis and pharmacological evaluation of 3-(3,4-dichlorophenyl)-1-indanamine derivatives as nonselective ligands for biogenic amine transportersHan Yu
Laboratory of Medicinal Chemistry, Building 8, Room B1-23, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, 20892-0815, USA
J Med Chem 47:2624-34. 2004..Ex vivo autoradiography, however, demonstrated that iv administration of (-)-(1R,3S)-11 produced a dose-dependent, persistent occupation of 5-HT transporter binding sites but not DA transporter sites...
Structure-activity relationship studies of highly selective inhibitors of the dopamine transporter: N-benzylpiperidine analogues of 1-[2-[bis(4-fluorophenyl)methoxy]ethyl]-4-(3-phenylpropyl)piperazineElisabeth Greiner
Laboratory of Medicinal Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK, National Institutes of Health, Bethesda, Maryland 20892, USA
J Med Chem 46:1465-9. 2003..Several analogues have been identified with high affinity for the DAT, up to 500-fold selectivity over the SERT and about 170-fold selectivity over the NET in binding and uptake inhibition assays...
Cocaine reward and MPTP toxicity: alteration by regional variant dopamine transporter overexpressionD M Donovan
Molecular Neurobiology, Intramural Research Program, National Institute on Drug Abuse, NIH, Baltimore, MD 20857, USA
Brain Res Mol Brain Res 73:37-49. 1999..These results document a model for allelic variation at a gene locus that can exert significant effects in murine models of human substance abuse vulnerability and dopaminergic neurodegeneration...
Inhibition of MAO-A fails to alter cocaine-induced increases in extracellular dopamine and norepinephrine in rat nucleus accumbensJ P Pepper
Clinical Psychopharmacology Section, Intramural Research Program, NIDA, NIH, P.O. Box 5180, 5500 Nathan Shock Drive, Baltimore, MD 21224, USA
Brain Res Mol Brain Res 87:184-9. 2001..Moreover, these findings suggest that adverse consequences related to altered catecholamine transmission would not occur if patients taking phenelzine, a non-selective MAO inhibitor, relapsed and used cocaine...
Opioid peptide receptor studies. 15. Relative efficacy of 4-[(N-allyl-3-methyl-4-piperidinyl)phenylamino]-N,N-diethylbenzamide and related compounds at the cloned human delta-opioid receptorH Xu
CPS, NIDA, IRP, NIDA, NIH, Baltimore, Maryland 21224, USA
Synapse 40:269-74. 2001....
Studies of the biogenic amine transporters. XI. Identification of a 1-[2-[bis(4-fluorophenyl)methoxy]ethyl]-4-(3-phenylpropyl)piperazine (GBR12909) analog that allosterically modulates the serotonin transporterBarbara Nightingale
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, 5500 Nathan Shock Drive, Baltimore, MD 21224, USA
J Pharmacol Exp Ther 314:906-15. 2005..Viewed collectively, these results support the hypothesis that TB-1-099 allosterically modulates hSERT binding and function...
Evidence for the involvement of dopamine transporters in behavioral stimulant effects of modafinilDorota Zolkowska
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, MD 21224, USA
J Pharmacol Exp Ther 329:738-46. 2009..Nondopaminergic mechanisms may also contribute to the pharmacology of modafinil. Finally, the results suggest that modafinil should be tested as an adjunct for treating METH addiction...
Identification and characterization of a novel allosteric modulator (SoRI-6238) of the serotonin transporterAyon Nandi
Clinical Psychopharmacology Section, Intramural Research Program, National Institute of Drug Abuse, National Institutes of Health, Baltimore, Maryland 21224, USA
Synapse 53:176-83. 2004..We conclude that SoRI-6238 partially inhibits SERT binding and function, most likely via an allosteric mechanism...
Synthesis and biological evaluation of tropane-like 1-[2-[bis(4-fluorophenyl)methoxy]ethyl]-4-(3-phenylpropyl)piperazine (GBR 12909) analoguesY Zhang
Laboratory of Medicinal Chemistry, Building 8, Room B1-22, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892-0815, USA
J Med Chem 44:3937-45. 2001..The 3 alpha-substituted tropanes had lower affinity and less selectivity than the comparable unsaturated ligands...
Restoration of 3,4-methylenedioxymethamphetamine-induced 5-HT depletion by the administration of L-5-hydroxytryptophanX Wang
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, P O Box 5180, 5500 Nathan Shock Drive, Baltimore, MD 21224, USA
Neuroscience 148:212-20. 2007..Next, we treated rats with the 5-HT precursor, l-5-hydroxytryptophan (5-HTP), in an attempt to restore MDMA-induced depletions of 5-HT...
Noribogaine (12-hydroxyibogamine): a biologically active metabolite of the antiaddictive drug ibogaineM H Baumann
Clinical Psychopharmacology Section, Intramural Research Program, NIDA, NIH, Baltimore, Maryland 21224, USA
Ann N Y Acad Sci 914:354-68. 2000..Most importantly, NORIBO appears less likely to produce the adverse effects associated with IBO (i.e., tremors and stress-axis activation), suggesting that the metabolite may be a safer alternative for medication development...
Uptake and release effects of diethylpropion and its metabolites with biogenic amine transportersH Yu
Laboratory of Medicinal Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892 0815, USA
Bioorg Med Chem 8:2689-92. 2000..The potent action of 2 at the NE transporter supports the hypothesis that amphetamine-type subjective effects may be mediated in part by brain norepinephrine...
Phentermine and fenfluramine. Preclinical studies in animal models of cocaine addictionR B Rothman
Clinical Psychopharmacology Section, National Institute on Drug Abuse NIDA, National Institutes of Health NIH, Baltimore, Maryland 21224, USA
Ann N Y Acad Sci 844:59-74. 1998..The preclinical data obtained with PHEN/FEN in various models of drug provide a strong rationale for pursuing controlled clinical trials in humans with agents that act via a similar mechanism of action...
Piperidine analogues of 1-[2-[bis(4-fluorophenyl)methoxy]ethyl]-4-(3-phenylpropyl)piperazine (GBR 12909): high affinity ligands for the dopamine transporterThomas Prisinzano
Laboratory of Medicinal Chemistry, NIDDK, National Institutes of Health, Bethesda, MD 20892, USA
J Med Chem 45:4371-4. 2002..4-[2-[Bis(4-fluorophenyl)methoxy]ethyl-1-(2-naphthylmethyl)piperidine was found to possess subnanomolar affinity (K(i) = 0.7 nM) and good selectivity for the DAT (SERT/DAT = 323)...
Synthesis and dopamine transporter affinity of chiral 1-[2-[bis(4-fluorophenyl)methoxy]ethyl]-4-(2-hydroxypropyl)piperazines as potential cocaine abuse therapeutic agentsLing-Wei Hsin
Laboratory of Medicinal Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892, USA
Bioorg Med Chem Lett 13:553-6. 2003..Compound (+)-11 showed high affinity and selectivity for DAT over the SERT and, therefore, is a potential candidate for the development of a long-acting cocaine abuse therapeutic agent...
In vivo correlates of central serotonin function after high-dose fenfluramine administrationM H Baumann
Clinical Psychopharmacology Section, National Institute on Drug Abuse NIDA, National Institutes of Health NIH, Baltimore, Maryland 21224, USA
Ann N Y Acad Sci 844:138-52. 1998..Neuroendocrine challenge tests represent a reliable method to test the existence of FEN-induced neurotoxicity in human patients undergoing long-term FEN treatment...
Development of long-acting dopamine transporter ligands as potential cocaine-abuse therapeutic agents: chiral hydroxyl-containing derivatives of 1-[2-[bis(4-fluorophenyl)methoxy]ethyl]-4-(3-phenylpropyl)piperazine and 1-[2-(diphenylmethoxy)ethyl]-4-(3-pheLing-Wei Hsin
Laboratory of Medicinal Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892, USA
J Med Chem 45:1321-9. 2002..In accord with the in vitro data, 6 showed greater potency than 7 in elevating extracellular dopamine levels in a microdialysis assay and in inhibiting cocaine-maintained responding in rhesus monkeys...
Amphetamine analogs increase plasma serotonin: implications for cardiac and pulmonary diseaseDorota Zolkowska
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, 5500 Nathan Shock Drive, Baltimore, MD 21224, USA
J Pharmacol Exp Ther 318:604-10. 2006..Additional studies are needed to determine the effects of chronic administration of amphetamines on circulating 5-HT...
Neurochemical and neuroendocrine effects of ibogaine in rats: comparison to MK-801M H Baumann
Clinical Psychopharmacology Section, National Institute on Drug Abuse NIDA, National Institutes of Health NIH Baltimore, Maryland 21224, USA
Ann N Y Acad Sci 844:252-64. 1998..Thus, the in vivo mechanism of IBO action cannot be explained simply on the basis of antagonism at NMDA receptors...
SoRI 9409, a non-peptide opioid mu receptor agonist/delta receptor antagonist, fails to stimulate [35S]-GTP-gamma-S binding at cloned opioid receptorsH Xu
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, MD 21224, USA
Brain Res Bull 55:507-11. 2001..Viewed collectively, the in vitro data reported here predict that SoRI 9409 should be a mu antagonist in vivo, which is not observed. Resolving these discrepant findings will require additional research...
Functional consequences of central serotonin depletion produced by repeated fenfluramine administration in ratsM H Baumann
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, Maryland 21224, USA
J Neurosci 18:9069-77. 1998..FEN should remain an important pharmacological tool for determining the role of 5-HT neurons in mediating diverse physiological and behavioral processes...
Tolerance to 3,4-methylenedioxymethamphetamine in rats exposed to single high-dose bingesM H Baumann
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, DHHS, 333 Cassell Drive, Suite 4500, Baltimore, MD 21224, USA
Neuroscience 152:773-84. 2008..Our results suggest that MDMA tolerance in humans may reflect 5-HT deficits which could contribute to further dose escalation...
Effect of N-alkyl and N-alkenyl substituents in noroxymorphindole, 17-substituted-6,7-dehydro-4,5alpha-epoxy-3,14-dihydroxy-6,7:2',3'-indolomorphinans, on opioid receptor affinity, selectivity, and efficacyS McLamore
Laboratory of Medicinal Chemistry, Building 8, Room B1-23, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892-0815, USA
J Med Chem 44:1471-4. 2001..It also had high affinity for the delta-opioid receptor (K(i) = 4.7 nM in the binding assay) and high antagonist potency (1.2 nM in the GTPgammaS assay; 8.9 nM in the MVD assay)...
3,4-methylenedioxymethamphetamine (MDMA) administration to rats decreases brain tissue serotonin but not serotonin transporter protein and glial fibrillary acidic proteinXiaoying Wang
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, Maryland 21224, USA
Synapse 53:240-8. 2004..Viewed collectively with our previous results and other published data, these data indicate that MDMA-induced persistent 5-HT depletion may occur in the absence of axotomy...
In vivo neurobiological effects of ibogaine and its O-desmethyl metabolite, 12-hydroxyibogamine (noribogaine), in ratsM H Baumann
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, Maryland 21224, USA
J Pharmacol Exp Ther 297:531-9. 2001..More importantly, noribogaine appears less apt to produce the adverse effects associated with ibogaine, indicating the metabolite may be a safer alternative for medication development...
Further exploration of 1-[2-[Bis-(4-fluorophenyl)methoxy]ethyl]piperazine (GBR 12909): role of N-aromatic, N-heteroaromatic, and 3-oxygenated N-phenylpropyl substituents on affinity for the dopamine and serotonin transporterDavid Lewis
Laboratory of Medicinal Chemistry, NIDDK, NIH, Bethesda, MD 20892, USA
Bioorg Med Chem Lett 13:1385-9. 2003..Both trans- (43) and cis- (47) (+/-)-2-(4-[2-[bis-(4-fluorophenyl)-methoxy]ethyl]piperazin-1-ylmethyl)-6-methoxy-1,2,3,4-tetrahydronaphthalen-1-ol had relatively good SERT selectivity and, as well, showed high affinity for SERT...
Noradrenergic and dopaminergic effects of (+)-amphetamine-like stimulants in the baboon Papio anubisMohab Alexander
Division of Nuclear Medicine, Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
Synapse 56:94-9. 2005..Viewed collectively, the present data indicate that typical clinical doses of phentermine and (+/-)-ephedrine may not release central DA in humans, a hypothesis that should ultimately be tested in controlled clinical studies...
Comparative neurobiological effects of ibogaine and MK-801 in ratsM H Baumann
Medications Discovery Research Branch, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, PO Box 5180, 5500 Nathan Shock Drive, Baltimore, MD 21224, USA
Drug Alcohol Depend 59:143-51. 2000..Thus, the wide spectrum of in vivo actions of ibogaine can probably not be explained simply on the basis of antagonism at NMDA receptors...
Development of a rationally designed, low abuse potential, biogenic amine releaser that suppresses cocaine self-administrationRichard B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, MD 21224, USA
J Pharmacol Exp Ther 313:1361-9. 2005..0 mg/kg/h. Collectively, the findings reported here demonstrate that nonamphetamine monoamine releasing agents such as PAL-287 might be promising candidate medications for the treatment of stimulant dependence...
Probes for narcotic receptor mediated phenomena. 34. Synthesis and structure-activity relationships of a potent mu-agonist delta-antagonist and an exceedingly potent antinociceptive in the enantiomeric C9-substituted 5-(3-hydroxyphenyl)-N-phenylethylmorphAnne Cécile Hiebel
Drug Design and Synthesis Section, Chemical Biology Research Branch, National Institute on Drug Abuse, National Institutes of Health, DHHS, Bethesda, MD 20892, USA
J Med Chem 50:3765-76. 2007....
Diaryldimethylpiperazine ligands with mu- and delta-opioid receptor affinity: Synthesis of (+)-4-[(alphaR)-alpha-(4-allyl-(2S,5S)-dimethylpiperazin-1-yl)-(3-hydroxyphenyl)methyl]-N-ethyl-N-phenylbenzamide and (-)-4-[(alphaR)-alpha-(2S,5S)-dimethylpiperaziIn Jong Kim
Laboratory of Medicinal Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892, USA
Bioorg Med Chem 11:4761-8. 2003..Those were established from the synthesis via a dipeptide cyclo-L-Ala-L-Ala in which the absolute stereochemistry was established...
Opioid ligands with mixed properties from substituted enantiomeric N-phenethyl-5-phenylmorphans. Synthesis of a micro-agonist delta-antagonist and delta-inverse agonistsKejun Cheng
Drug Design and Synthesis Section, Chemical Biology Research Branch, National Institute on Drug Abuse, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland 20892 0815, USA
Org Biomol Chem 5:1177-90. 2007..The absolute configuration of all of the reported compounds was established by chemical conversion of (-)- to 1R,5S-(-)-.HBr...
An electrophilic affinity ligand based on (+)-MK801 distinguishes PCP site 1 from PCP site 2H C Akunne
Clinical Psychopharmacology Section, NIDA NIH Addiction Research Center, Baltimore, MD 21224
Neurochem Res 19:385-9. 1994....
Differential effects of opioid agonists on G protein expression in CHO cells expressing cloned human opioid receptorsHeng Xu
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, DHHS, Baltimore, MD 21224, USA
Brain Res Bull 77:49-54. 2008....
Dopamine transport inhibitors based on GBR12909 and benztropine as potential medications to treat cocaine addictionRichard B Rothman
Clinical Psychopharmacology Section, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, 333 Cassell Dr, Baltimore, MD 21224, USA
Biochem Pharmacol 75:2-16. 2008....
Probes for narcotic receptor mediated phenomena. 39. Enantiomeric N-substituted benzofuro[2,3-c]pyridin-6-ols: synthesis and topological relationship to oxide-bridged phenylmorphansYi Zhang
Department of Health and Human Services, Drug Design and Synthesis Section, Chemical Biology Research Branch, National Institute on Drug Abuse and the National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, Maryland 20892 9415, USA
J Med Chem 52:7570-9. 2009..Structural features of the conformers of N-substituted benzofuro[2,3-c]pyridin-6-ols were compared to provide the rationale for their binding affinity...
Structure-activity relationships of substituted N-benzyl piperidines in the GBR series: Synthesis of 4-(2-(bis(4-fluorophenyl)methoxy)ethyl)-1-(2-trifluoromethylbenzyl)piperidine, an allosteric modulator of the serotonin transporterTerrence L Boos
Laboratory of Medicinal Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892, USA
Bioorg Med Chem 14:3967-73. 2006....
Design and synthesis of noncompetitive metabotropic glutamate receptor subtype 5 antagonistsSantosh S Kulkarni
Medicinal Chemistry Section, National Institute on Drug Abuse, Intramural Research Program, NIH, DHHS, 5500 Nathan Shock Drive, Baltimore, MD 21224, USA
Bioorg Med Chem Lett 16:3371-5. 2006..Further optimization resulted in compounds with improved binding affinities and antagonist profiles, in vitro...
Synthesis and pharmacological effects of the enantiomers of the N-phenethyl analogues of the ortho and para e- and f-oxide-bridged phenylmorphansJosef Zezula
Drug Design and Synthesis Section, Chemical Biology Research Branch, National Institute on Drug Abuse, National Institutes of Health, MD 20852, USA
Org Biomol Chem 6:2868-83. 2008....
Design and synthesis of promiscuous high-affinity monoamine transporter ligands: unraveling transporter selectivityElisabeth Greiner
Laboratory of Medicinal Chemistry, NIDDK, National Institutes of Health, DHHS, Bethesda, Maryland 20892, USA
J Med Chem 49:1766-72. 2006..Some of the new ligands can serve as pharmacological tools to block DAT or DAT and another transporter simultaneously...
Serotonergic responsiveness in human cocaine usersUdi E Ghitza
Clinical Pharmacology and Therapeutics Research Branch, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, MD 21224, USA
Drug Alcohol Depend 86:207-13. 2007..Studies of human cocaine users given a serotonergic challenge have produced inconsistent results...
Evidence for possible involvement of 5-HT(2B) receptors in the cardiac valvulopathy associated with fenfluramine and other serotonergic medicationsR B Rothman
Clinical Psychopharmacology Section, Division of Intramural Research, National Institute on Drug Abuse, NIH, Baltimore, MD 21224, USA
Circulation 102:2836-41. 2000..We hypothesized that fenfluramine or its metabolite norfenfluramine and other medications known to produce VHD have preferentially high affinities for a particular serotonin receptor subtype capable of stimulating mitogenesis...
Derivatives of 17-(2-methylallyl)-substituted noroxymorphone: variation of the delta address and its effects on affinity and selectivity for the delta opioid receptorT Ullrich
Laboratory of Medicinal Chemistry, NIDDK, National Institutes of Health, Bethesda, MD 20892, USA
Bioorg Med Chem Lett 11:2883-5. 2001..The present results indicate that only a combination of the N-(2-methylallyl) group and an indole delta address provided high selectivity for the delta receptor...
Evidence for alterations in alpha2-adrenergic receptor sensitivity in rats exposed to repeated cocaine administrationM H Baumann
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, PO Box 5180, 5500 Nathan Shock Drive, Baltimore, MD 21224, USA
Neuroscience 125:683-90. 2004..Since human patients with depression often exhibit blunted GH responses to clonidine, our findings provide evidence that cocaine withdrawal might produce depressive-like symptoms via dysregulation of NE mechanisms...
A comparison of noninternalizing (herkinorin) and internalizing (DAMGO) mu-opioid agonists on cellular markers related to opioid tolerance and dependenceHeng Xu
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, DHHS, Baltimore, Maryland 21224, USA
Synapse 61:166-75. 2007..Viewed collectively with published data, the current data indicate that both internalizing and noninternalizing mu-agonists produce cellular signs of tolerance and dependence...
Dual dopamine/serotonin releasers as potential medications for stimulant and alcohol addictionsRichard B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Department of Health and Human Services, Baltimore, MD 21224, USA
AAPS J 9:E1-10. 2007..It is concluded that DA/5-HT releasers might be useful therapeutic adjuncts for the treatment of cocaine and alcohol addiction, obesity, and even attention deficit disorder and depression...
Balance between dopamine and serotonin release modulates behavioral effects of amphetamine-type drugsRichard B Rothman
CPS, IRP, NIDA, NIH, 5500 Nathan Shock Drive, Baltimore, MD 21224, USA
Ann N Y Acad Sci 1074:245-60. 2006..Moreover, the relationship between DA and 5-HT releasing potency is an important determinant in developing new agonist medications with reduced stimulant properties...
In vivo effects of amphetamine analogs reveal evidence for serotonergic inhibition of mesolimbic dopamine transmission in the ratMichael H Baumann
Translational Pharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, Maryland 21224, USA
J Pharmacol Exp Ther 337:218-25. 2011..029). Collectively, our findings are consistent with the hypothesis that 5-HT release dampens stimulant effects of amphetamine-type drugs, but further studies are required to address the precise mechanisms underlying this phenomenon...
Probes for narcotic receptor mediated phenomena. 40. N-substituted cis-4a-ethyl-1,2,3,4,4a,9a-hexahydrobenzofuro[2,3-c]pyridin-8-olsMalliga R Iyer
Drug Design and Synthesis Section, Department of Health and Human Services, Chemical Biology Research Branch, National Institute on Drug Abuse and the National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, 5625 Fishers Lane, Room 4N03, Bethesda, MD 20892 9415, USA
Bioorg Med Chem 18:91-9. 2010..The N-para-fluorophenethyl derivative had the highest mu-opioid receptor affinity of the examined compounds (K(i)=0.35 microM)...
Appetite suppressants, cardiac valve disease and combination pharmacotherapyRichard B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, National Institutes of Health, National Institute on Drug Abuse, Department of Health and Human Services, Baltimore, MD 21224, USA
Am J Ther 16:354-64. 2009....
Serotonergic drugs and valvular heart diseaseRichard B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, Maryland 21224, USA
Expert Opin Drug Saf 8:317-29. 2009..One prevailing hypothesis (i.e., the '5-HT hypothesis') suggests that fenfluramine-induced increases in plasma 5-HT underlie the disease...
Dopamine/serotonin releasers as medications for stimulant addictionsRichard B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, DHHS, Baltimore, MD, USA
Prog Brain Res 172:385-406. 2008..It is concluded that DA/5-HT releasers could be useful therapeutic adjuncts for the treatment of cocaine and alcohol addictions as well as for obesity, attention deficit disorder and depression...
Studies of the biogenic amine transporters. 13. Identification of "agonist" and "antagonist" allosteric modulators of amphetamine-induced dopamine releaseRichard B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, MD 21224, USA
J Pharmacol Exp Ther 329:718-28. 2009..Such agents may have therapeutic potential for the treatment of stimulant addiction, Parkinson's disease, and other psychiatric disorders...
Salvinorin A: allosteric interactions at the mu-opioid receptorRichard B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, National Institute of Drug Abuse, National Institutes of Health, Baltimore, MD 21224, USA
J Pharmacol Exp Ther 320:801-10. 2007..Viewed collectively, these data support the hypothesis that Salvinorin A allosterically modulates the mu-opioid receptor...
Serotonin (5-HT) transporter ligands affect plasma 5-HT in ratsRichard B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, DHHS, Baltimore, Maryland, USA
Ann N Y Acad Sci 1139:268-84. 2008..Chronic fenfluramine and fluoxetine have minimal effects on plasma 5-HT, suggesting that the increased risk for IPAH associated with fenfluramine does not depend upon elevations in plasma 5-HT...
Locomotor stimulation produced by 3,4-methylenedioxymethamphetamine (MDMA) is correlated with dialysate levels of serotonin and dopamine in rat brainMichael H Baumann
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, MD 21224, United States
Pharmacol Biochem Behav 90:208-17. 2008..0001) and with dialysate DA in accumbens and striatum (P<0.001-0.0001). These data support previous work and suggest the complex spectrum of behaviors produced by MDMA involves 5-HT and DA in a region- and modality-specific manner...
Effects of dose and route of administration on pharmacokinetics of (+ or -)-3,4-methylenedioxymethamphetamine in the ratMichael H Baumann
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, 333 Cassell Dr, Suite 4500, Baltimore, MD 21224, USA
Drug Metab Dispos 37:2163-70. 2009..Finally, given key similarities between MDMA pharmacokinetics in rats and humans, data from rats may be clinically relevant when appropriate dosing conditions are used...
Dual dopamine/serotonin releasers: potential treatment agents for stimulant addictionRichard B Rothman
Clinical Psychopharmacology Section, IRP NIDA NIH, Clinical Psychopharmacology Section, Suite 4500, Triad building, 333 Cassell Drive, Baltimore, MD 21224, USA
Exp Clin Psychopharmacol 16:458-74. 2008..It is concluded that DA/5-HT releasers could be useful therapeutic adjuncts for the treatment of cocaine and alcohol addictions, as well as for obesity, attention-deficit disorder, and depression...
Dual dopamine-5-HT releasers: potential treatment agents for cocaine addictionRichard B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, PO Box 5180, 5500 Nathan Shock Drive, Baltimore, MD 21224, USA
Trends Pharmacol Sci 27:612-8. 2006....
Appetite suppressants as agonist substitution therapies for stimulant dependenceRichard B Rothman
Clinical Psychopharmacology Section, NIDA, NIH, Baltimore, Maryland 21224, USA
Ann N Y Acad Sci 965:109-26. 2002..Future efforts should focus on developing new medications that possess the desired therapeutic activity but lack the adverse effects associated with older amphetamine-type anorectics...
Probes for narcotic receptor mediated phenomena. Part 28: new opioid antagonists from enantiomeric analogues of 5-(3-hydroxyphenyl)-N-phenylethylmorphanAkihiro Hashimoto
Laboratory of Medicinal Chemistry, Building 8, Room B1-23, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892-0815, USA
Bioorg Med Chem 10:3319-29. 2002..3.1]non-5-yl]-phenol (30), and both showed the same 1H NMR spectrum, the structure of 32 was unequivocally determined by X-ray structure analysis...
Therapeutic and adverse actions of serotonin transporter substratesRichard B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, P O Box 5180, 5500 Nathan Shock Drive, Baltimore, MD 21224, USA
Pharmacol Ther 95:73-88. 2002..Such agents may be useful for treating a variety of psychiatric disorders...
Persistent antagonism of methamphetamine-induced dopamine release in rats pretreated with GBR12909 decanoateMichael H Baumann
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, 5500 Nathan Shock Drive, Baltimore, MD 21224, USA
J Pharmacol Exp Ther 301:1190-7. 2002..Our data suggest that GBR-decanoate, or similar agents, may be useful adjuncts in treating methamphetamine dependence. This therapeutic strategy would be especially useful for noncompliant patient populations...
N-substituted piperazines abused by humans mimic the molecular mechanism of 3,4-methylenedioxymethamphetamine (MDMA, or 'Ecstasy')Michael H Baumann
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, MD 21224, USA
Neuropsychopharmacology 30:550-60. 2005..Our results show that BZP/TFMPP and MDMA share the ability to evoke monoamine release, but dangerous drug-drug synergism may occur when piperazines are coadministered at high doses...
Effects of "Legal X" piperazine analogs on dopamine and serotonin release in rat brainMichael H Baumann
Clinical Psychopharmacology Section, IRP, NIDA, National Institutes of Health, Baltimore, Maryland 21224, USA
Ann N Y Acad Sci 1025:189-97. 2004..Additionally, the findings suggest possible drug-drug synergism when piperazine drugs are coadministered at high doses...
(+/-)-3,4-Methylenedioxymethamphetamine administration to rats does not decrease levels of the serotonin transporter protein or alter its distribution between endosomes and the plasma membraneXiaoying Wang
Clinical Psychopharmacology Section, Intramural Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, Maryland, USA
J Pharmacol Exp Ther 314:1002-12. 2005....
Preclinical evaluation of GBR12909 decanoate as a long-acting medication for methamphetamine dependenceMichael H Baumann
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, Maryland 21224, USA
Ann N Y Acad Sci 965:92-108. 2002..The findings suggest that GBR-decanoate, or similar long-acting agents, should be evaluated further as potential treatment adjuncts in the management of METH addiction in humans...
3,4-Methylenedioxymethamphetamine (MDMA) neurotoxicity in rats: a reappraisal of past and present findingsMichael H Baumann
Clinical Psychopharmacology Section, Intramural Research Program IRP, National Institute on Drug Abuse NIDA, National Institutes of Health NIH, 5500 Nathan Shock Drive, Baltimore, MD 21224, USA
Psychopharmacology (Berl) 189:407-24. 2007..g., depletion of forebrain 5-HT) that have been interpreted as neurotoxicity. Whether such 5-HT deficits reflect neuronal damage is a matter of ongoing debate...
Studies of the biogenic amine transporters. VIII: identification of a novel partial inhibitor of dopamine uptake and dopamine transporter bindingRichard B Rothman
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, Maryland 21224, USA
Synapse 43:268-74. 2002..Further studies will be needed to determine the underlying mechanism of this effect and if partial inhibition of DA uptake results in any unique behavioral effects...
The effect of FMRFamide analogs on [35S]GTP-gamma-S stimulation in squid optic lobesS O Heyliger
Clinical Psychopharmacology Section, Division of Intramural Research, NIDA, NIH, Baltimore, MD 21224, USA
Peptides 19:739-47. 1998..These results agree with published receptor radioligand studies and indicate that the [35S]GTP-gamma-S assay may be useful in classifying novel FMRFamide-selective ligands...
Intracerebroventricular administration of anti-endothelin-1 IgG selectively upregulates endothelin-A and kappa opioid receptorsX Wang
Clinical Psychopharmacology Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, PO Box 5180, 5500 Nathan Shock Drive, Baltimore, MD 21224, USA
Neuroscience 129:751-6. 2004..These findings support the hypothesis that CSF neuropeptides have regulatory effects and further demonstrate a link between ET and the opioid receptor system...
Studies of the biogenic amine transporters. 12. Identification of novel partial inhibitors of amphetamine-induced dopamine releaseJoseph J Pariser
National Institute on Drug Abuse, National Institutes of Health, Clinical Psychopharmacology Section, 333 Cassell Dr, Baltimore, MD 21224, USA
J Pharmacol Exp Ther 326:286-95. 2008..Viewed collectively, we report several compounds that allosterically modulate hDAT binding and function, and we identify novel partial inhibitors of amphetamine-induced dopamine release...
Region-specific up-regulation of opioid receptor binding in enkephalin knockout miceL S Brady
Section on Functional Neuroanatomy, Intramural Research Program, NIMH, Bethesda, MD 20892, USA
Brain Res Mol Brain Res 68:193-7. 1999..The receptor up-regulation in limbic areas is consistent with the increased emotional and aggressive behaviors observed in the enkephalin knockout mice...
Identification of a novel partial inhibitor of dopamine transporter among 4-substituted 2-phenylquinazolinesSubramaniam Ananthan
Organic Chemistry Department, Southern Research Institute, Birmingham, AL 35255, USA
Bioorg Med Chem Lett 12:2225-8. 2002..Among the compounds studied, 4-[(diphenylmethyl)amino]-2-phenylquinazoline (4 g) was identified as a novel partial inhibitor of [(125)I]RTI-55 binding to the dopamine transporter and a partial inhibitor of [(3)H]dopamine uptake...
Discovery of an opioid kappa receptor selective pure antagonist from a library of N-substituted 4beta-methyl-5-(3-hydroxyphenyl)morphansJames B Thomas
Chemistry and Life Sciences, Research Triangle Institute, Research Triangle Park, NC 27709, USA
J Med Chem 45:3524-30. 2002....
Synthesis of salvinorin A analogues as opioid receptor probesKevin Tidgewell
Division of Medicinal and Natural Products Chemistry, College of Pharmacy, The University of Iowa, Iowa City, Iowa 52242, USA
J Nat Prod 69:914-8. 2006..Here, we report the semisynthesis of neoclerodane diterpenes and their structure-affinity relationships at opioid receptors. This work will allow the further development of novel opioid receptor ligands...
Antinociceptive and hypothermic effects of Salvinorin A are abolished in a novel strain of kappa-opioid receptor-1 knockout miceMichael A Ansonoff
Department of Neuroscience and Cell Biology, University of Medicine and Dentistry of New Jersey Robert Wood Johnson Medical School UMDNJ RWJMS, 675 Hoes Lane, Piscataway, NJ 08854, USA
J Pharmacol Exp Ther 318:641-8. 2006..divinorum, selective for kappa(1)-opioid receptors, and that salvinorin A and specific structurally related analogs produce behavioral effects that require the kappa-opioid receptor...
3,4-methylenedioxymethamphetamine (MDMA, "Ecstasy") induces fenfluramine-like proliferative actions on human cardiac valvular interstitial cells in vitroVincent Setola
Department of Biochemistry, Case Western Reserve University, 2109 Adelbert Road, Cleveland, OH 44106 4935, USA
Mol Pharmacol 63:1223-9. 2003..These findings also underscore the necessity of screening current and future drugs at h5-HT2B receptors for agonist actions before their use in humans...
Identification of (3R)-7-hydroxy-N-((1S)-1-[[(3R,4R)-4-(3-hydroxyphenyl)- 3,4-dimethyl-1-piperidinyl]methyl]-2-methylpropyl)-1,2,3,4-tetrahydro- 3-isoquinolinecarboxamide as a novel potent and selective opioid kappa receptor antagonistJames B Thomas
Chemistry and Life Sciences, Research Triangle Institute, 3040 Cornwallis Road, Research Triangle Park, North Carolina 27709, USA
J Med Chem 46:3127-37. 2003..The unique structural features of JDTic will make this compound highly useful in further characterization of the kappa receptor...
Novel ligands for the opioid receptors: synthesis and structure-activity relationships among 5'-aryl and 5'-heteroaryl 17-cyclopropylmethyl-4,5 alpha-epoxypyrido[2',3':6,7]morphinansSubramaniam Ananthan
Organic Chemistry Department, Southern Research Institute, Birmingham, AL 35255, USA
Bioorg Med Chem 11:4143-54. 2003..The in vitro delta antagonist profile of this pyridomorphinan 10c resembles that of the widely used delta selective antagonist ligand naltrindole...
