meta-Chlorophenylpiperazine

meta-Chlorophenylpiperazine
meta-Chlorophenylpiperazine
Systematic (IUPAC) name
1-(3-chlorophenyl)piperazine
Clinical data
Pregnancy cat.  ?
Legal status See below..
Routes Oral, Nasal, Rectal
Pharmacokinetic data
Metabolism Hepatic
Half-life 2-6 hours
Excretion Renal
Identifiers
CAS number 51639-49-7 N
ATC code None
PubChem CID 1355
IUPHAR ligand 142
ChemSpider 1314 YesY
ChEBI CHEBI:10588 YesY
ChEMBL CHEMBL478 YesY
Chemical data
Formula C10H13ClN2 
Mol. mass 196.676 g/mol
SMILES eMolecules & PubChem
 N(what is this?)  (verify)
Tablets containing mCPP confiscated by the DEA in Vernon Hills, Illinois

meta-Chlorophenylpiperazine (mCPP) is a psychoactive drug of the phenylpiperazine class. It was initially developed in the late-1970s and used in scientific research before being sold as a designer drug in the mid-2000s.[1][2] It has been detected in pills touted as legal alternatives to illicit stimulants in New Zealand and pills sold as "ecstasy" in Europe and the United States.[3][4]

Despite its advertisement as a recreational substance, mCPP is actually generally considered to be an unpleasant experience and is not desired by drug users.[3] It lacks any reinforcing effects,[5] produces depressive and anxiogenic effects in rodents and humans,[6][7] and can induce panic attacks in individuals susceptible to them.[8][9][10][11] It also worsens obsessive-compulsive symptoms in people with the disorder.[12][13][14]

mCPP is known to induce headaches in humans and has been used for testing potential antimigraine medications.[15][16][17] It has potent anorectic effects and has encouraged the development of selective 5-HT2C receptor agonists for the treatment of obesity as well.[18][19][20][21]

Meta-chlorophenylpiperazine is a major metabolite of the psychotropic drug trazodone, and may be responsible for some of its side-effects, such as headaches and migraines induced many hours after initial consumption.

Contents

Pharmacology

mCPP possesses significant affinity for the 5-HT1A, 5-HT1B, 5-HT1D, 5-HT2A, 5-HT2B, 5-HT2C, 5-HT3, and 5-HT7 receptors, as well as the SERT.[22] It also has some affinity for α1-adrenergic, α2-adrenergic, H1, I1, and NET.[22][23] It behaves as an agonist at most or all serotonin receptors.[22][24][25] mCPP has been shown to act not only as a reuptake inhibitor of serotonin but as a releasing agent as well.[26]

mCPP's strongest actions are at the 5-HT2B and 5-HT2C receptors and its discriminative cue is mediated primarily by 5-HT2C.[22][27][28] Its negative effects such as anxiety, headaches, and appetite loss are likely mediated by its actions on the 5-HT2C receptor,[7][18][29] whereas its psychedelic effects at high doses are caused by 5-HT2A activation. Other effects of mCPP include nausea, hypoactivity, and penile erection, the latter two the result of increased 5-HT2C activity and the former likely via 5-HT3 stimulation.[30][31][32]

Pharmacokinetics

mCPP is metabolized via the CYP2D6 isoenzyme by hydroxylation to p-hydroxy-mCPP (OH-mCPP).[33] Caution should be exercised in coprescribing inhibitors or substrates of CYP2D6 with drugs such as Trazodone and Nefazodone that have mCPP as a metabolite.[33]

Legal status

  • In Finland: Illegal
  • In the Netherlands: Illegal
  • In the United States: Legal
  • In Denmark: Illegal[34]
  • In Germany: Illegal
  • In Russia: Illegal
  • In Sweden: Legal
  • In Norway: Illegal
  • In Brazil: Illegal[35]
  • In Belgium: Illegal[36]
  • In the Czech Republic: Legal[37]

Based on the recommendation of the EACD, the New Zealand government has passed legislation which placed BZP, along with the other piperazine derivatives TFMPP, mCPP, pFPP, MeOPP and MBZP, into Class C of the New Zealand Misuse of Drugs Act 1975. A ban was intended to come into effect in New Zealand on December 18, 2007, but the law change did not go through until the following year, and the sale of BZP and the other listed piperazines became illegal in New Zealand as of 1 April 2008. An amnesty for possession and usage of these drugs remained until October 2008, at which point they became completely illegal.[38]

See also

References

  1. ^ Bossong MG, Van Dijk JP, Niesink RJ (December 2005). "Methylone and mCPP, two new drugs of abuse?". Addiction Biology 10 (4): 321–3. doi:10.1080/13556210500350794. PMID 16318952. http://www3.interscience.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=1355-6215&date=2005&volume=10&issue=4&spage=321. 
  2. ^ Lecompte Y, Evrard I, Arditti J (2006). "[Metachlorophenylpiperazine (mCPP): a new designer drug]" (in French). Thérapie 61 (6): 523–30. PMID 17348609. 
  3. ^ a b Bossong M, Brunt T, Van Dijk J, et al. (March 2009). "mCPP: an undesired addition to the ecstasy market". Journal of Psychopharmacology (Oxford, England) 24 (9): 1395–401. doi:10.1177/0269881109102541. PMID 19304863. http://jop.sagepub.com/cgi/pmidlookup?view=long&pmid=19304863. 
  4. ^ Vogels N, Brunt TM, Rigter S, van Dijk P, Vervaeke H, Niesink RJ (December 2009). "Content of ecstasy in the Netherlands: 1993-2008". Addiction (Abingdon, England) 104 (12): 2057–66. doi:10.1111/j.1360-0443.2009.02707.x. PMID 19804461. http://www3.interscience.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0965-2140&date=2009&volume=104&issue=12&spage=2057. 
  5. ^ Tancer M, Johanson CE (October 2003). "Reinforcing, subjective, and physiological effects of MDMA in humans: a comparison with d-amphetamine and mCPP". Drug and Alcohol Dependence 72 (1): 33–44. doi:10.1016/S0376-8716(03)00172-8. PMID 14563541. http://linkinghub.elsevier.com/retrieve/pii/S0376871603001728. 
  6. ^ Rajkumar R, Pandey DK, Mahesh R, Radha R (April 2009). "1-(m-Chlorophenyl)piperazine induces depressogenic-like behaviour in rodents by stimulating the neuronal 5-HT(2A) receptors: proposal of a modified rodent antidepressant assay". European Journal of Pharmacology 608 (1-3): 32–41. doi:10.1016/j.ejphar.2009.02.041. PMID 19269287. http://linkinghub.elsevier.com/retrieve/pii/S0014-2999(09)00198-8. 
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  15. ^ Leone, M; A Attanasio, D Croci, G Filippini, D D'Amico, L Grazzi, A Nespolo, G Bussone (July 12, 2000). "The serotonergic agent m-chlorophenylpiperazine induces migraine attacks: A controlled study". Neurology 55 (1): 136–139. PMID 10891925. 
  16. ^ Martin RS & Martin GR. Investigations into migraine pathogenesis: time course for effects of m-CPP, BW723C86 or glyceryl trinitrate on appearance of Fos-like immunoreactivity in rat trigeminal nucleus caudalis (TNC). Cephalalgia 2001; 21:46–52. London. ISSN 0333-10245
  17. ^ Petkov VD, Belcheva S, Konstantinova E. Anxiolytic effects of dotarizine, a possible antimigraine drug. Methods Find Exp Clin Pharmacol. 1995 Dec;17(10):659-68.
  18. ^ a b Kennett GA, Curzon G (1988). "Evidence that hypophagia induced by mCPP and TFMPP requires 5-HT1C and 5-HT1B receptors; hypophagia induced by RU 24969 only requires 5-HT1B receptors". Psychopharmacology 96 (1): 93–100. doi:10.1007/BF02431539. PMID 2906446. 
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  20. ^ Hayashi A, Suzuki M, Sasamata M, Miyata K (March 2005). "Agonist diversity in 5-HT(2C) receptor-mediated weight control in rats". Psychopharmacology 178 (2-3): 241–9. doi:10.1007/s00213-004-2019-z. PMID 15719229. 
  21. ^ Halford JC, Harrold JA, Boyland EJ, Lawton CL, Blundell JE (2007). "Serotonergic drugs : effects on appetite expression and use for the treatment of obesity". Drugs 67 (1): 27–55. PMID 17209663. http://content.wkhealth.com/linkback/openurl?issn=0012-6667&volume=67&issue=1&spage=27. 
  22. ^ a b c d "PDSP Database - UNC". http://pdsp.med.unc.edu/pdsp.php#search. 
  23. ^ Silverstone PH, Rue JE, Franklin M, et al. (September 1994). "The effects of administration of mCPP on psychological, cognitive, cardiovascular, hormonal and MHPG measurements in human volunteers". International Clinical Psychopharmacology 9 (3): 173–8. doi:10.1097/00004850-199409000-00005. PMID 7814826. 
  24. ^ Samanin R, Mennini T, Ferraris A, Bendotti C, Borsini F, Garattini S (August 1979). "Chlorophenylpiperazine: a central serotonin agonist causing powerful anorexia in rats". Naunyn-Schmiedeberg's Archives of Pharmacology 308 (2): 159–63. doi:10.1007/BF00499059. PMID 503247. 
  25. ^ Odagaki Y, Toyoshima R, Yamauchi T (May 2005). "Trazodone and its active metabolite m-chlorophenylpiperazine as partial agonists at 5-HT1A receptors assessed by [35SGTPgammaS binding"]. Journal of Psychopharmacology (Oxford, England) 19 (3): 235–41. doi:10.1177/0269881105051526. PMID 15888508. http://jop.sagepub.com/cgi/pmidlookup?view=long&pmid=15888508. 
  26. ^ Pettibone DJ, Williams M (May 1984). "Serotonin-releasing effects of substituted piperazines in vitro". Biochemical Pharmacology 33 (9): 1531–5. doi:10.1016/0006-2952(84)90424-6. PMID 6610423. http://linkinghub.elsevier.com/retrieve/pii/0006-2952(84)90424-6. 
  27. ^ Callahan PM, Cunningham KA (May 1994). "Involvement of 5-HT2C receptors in mediating the discriminative stimulus properties of m-chlorophenylpiperazine (mCPP)". European Journal of Pharmacology 257 (1-2): 27–38. doi:10.1016/0014-2999(94)90690-4. PMID 8082704. http://linkinghub.elsevier.com/retrieve/pii/0014-2999(94)90690-4. 
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  29. ^ Kennett GA, Curzon G (May 1988). "Evidence that mCPP may have behavioural effects mediated by central 5-HT1C receptors". British Journal of Pharmacology 94 (1): 137–47. PMC 1853919. PMID 3401632. http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=1853919. 
  30. ^ Kłodzińska A, Jaros T, Chojnacka-Wójcik E, Maj J (1989). "Exploratory hypoactivity induced by m-trifluoromethylphenylpiperazine (TFMPP) and m-chlorophenylpiperazine (m-CPP)". Journal of Neural Transmission. Parkinson's Disease and Dementia Section 1 (3): 207–18. doi:10.1007/BF02248670. PMID 2775468. 
  31. ^ Walsh AE, Smith KA, Oldman AD, Williams C, Goodall EM, Cowen PJ (September 1994). "m-Chlorophenylpiperazine decreases food intake in a test meal". Psychopharmacology 116 (1): 120–2. doi:10.1007/BF02244883. PMID 7862925. 
  32. ^ Stancampiano R, Melis MR, Argiolas A (August 1994). "Penile erection and yawning induced by 5-HT1C receptor agonists in male rats: relationship with dopaminergic and oxytocinergic transmission". European Journal of Pharmacology 261 (1-2): 149–55. doi:10.1016/0014-2999(94)90313-1. PMID 8001637. http://linkinghub.elsevier.com/retrieve/pii/0014-2999(94)90313-1. 
  33. ^ a b Rotzinger S, Fang J, Coutts RT, Baker GB (December 1998). "Human CYP2D6 and metabolism of m-chlorophenylpiperazine". Biological Psychiatry 44 (11): 1185–91. doi:10.1016/S0006-3223(97)00483-6. PMID 9836023. http://linkinghub.elsevier.com/retrieve/pii/S0006-3223(97)00483-6. 
  34. ^ Erowid.org
  35. ^ ANVISA resolution - Portaria SVS/MS 344/98
  36. ^ EMCDDA
  37. ^ [1]
  38. ^ Misuse of Drugs (Classification of BZP) Amendment Bill 2008
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