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Citalopram

Antidepressive Agents, Second-Generation
CATEGORIES

Antidepressive Agents, Second-Generation, Serotonin Uptake Inhibitors, Antidepressive Agents


ALIASES

Cipramil, Cipramil®, Citalopram 2care4, Citalopram ACO, Citalopram Actavis, Citalopram Alternova, Citalopram Arrow, Citalopram BMM Pharma, Citalopram Bluefish, Citalopram GEA, Citalopram Hydrobromide, Citalopram IVAX, Citalopram Jubilant, Citalopram Lundbeck, Citalopram Mylan, Citalopram Orifarm, Citalopram Orion, Citalopram STADA®, Citalopram Sandoz, Citalopram Teva, Citalopram Vitabalans, Citalopram ratiopharm, Citalopram® CNSpharma, Citavie, Talam, Talohexal, Temperax, Vodelax, Zentius, Zetalo


SUBSTANCES

citalopram, citalopram hydrobromide, citalopram hydrochloride


ENVIRONMENTAL CONCERN: HIGH
Citalopram hydrobromide belongs to a class of antidepressant agents known as selective serotonin-reuptake inhibitors (SSRIs). Citalopram and its N-demethylated metabolites exist as a racemic mixture but its effects are largely due to the S-enantiomer, S-citalopram and S-demthylcitalopram. Despite distinct structural differences between compounds in this class, SSRIs possess similar pharmacological activity. As with other antidepressant agents, several weeks of therapy may be required before a clinical effect is seen. SSRIs are potent inhibitors of neuronal serotonin reuptake. They have little to no effect on norepinephrine or dopamine reuptake and do not antagonize α- or β-adrenergic, dopamine D2 or histamine H1 receptors. During acute use, SSRIs block serotonin reuptake and increase serotonin stimulation of somatodendritic 5-HT1A and terminal autoreceptors. Chronic use leads to desensitization of somatodendritic 5-HT1A and terminal autoreceptors. The overall clinical effect of increased mood and decreased anxiety is thought to be due to adaptive changes in neuronal function that leads to enhanced serotonergic neurotransmission. Side effects include dry mouth, nausea, dizziness, drowsiness, sexual dysfunction and headache. Side effects generally occur within the first two weeks of therapy and are usually less severe and frequent than those observed with tricyclic antidepressants. Citalopram is approved for treatment of depression. Unlabeled indications include mild dementia-associated agitation in nonpsychotic patients, smoking cessation, ethanol abuse, obsessive-compulsive disorder (OCD) in children, and diabetic neuropathy. Citalopram has the fewest drug-drug interactions of the SSRIs.

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IN SCOPE
HIGH

REFERENCES

  1. Goodpoint. Prioritering av läkemedel med miljörisk inom SLL. Stockholm: Goodpoint; 2016. Rapport LS 2016–0634.
  2. Kellner M, Porseryd T, Porsch-Hällström I, Hansen SH, Olsén KH. Environmentally relevant concentrations of citalopram partially inhibit feeding in the three-spine stickleback (Gasterosteus aculeatus). Aquat Toxicol. 2015;158:165-70.
  3. Grabicova K, Lindberg RH, Ostman M, Grabic R, Randak T, Larsson DG et al. Tissue-specific bioconcentration of antidepressants in fish exposed to effluent from a municipal sewage treatment plant. Sci Total Environ. 2014;488-489:46-50.
  4. IVL Swedish Environmental Research Institute Ltd. Fick J, Lindberg RH, Kaj L, Brorström-Lundén E. Results from the Swedish National Screening Programme 2010. Subreport 3. Pharmaceuticals.
  5. Fick J, Lindberg RH, Tysklind M, Larsson DG. Predicted critical environmental concentrations for 500 pharmaceuticals. Regul Toxicol Pharmacol. 2010;58:516-23.
  6. SLL. Sammanställning av läkemedelsprovtagningar - Bearbetning av regional försäljningsstatistik av läkemedel samt datamaterial från Stockholms läns landstings mätprogram för läkemedelssubstanser i vattenmiljö, 2012–2016.
  7. Stockholms läns landsting. Förteckning över miljöbelastande läkemedel med åtgärdsförslag framtagen inom ramen för SLL:s miljöprogram 2017–2021.
  8. Goodpoint. Jämförande bedömning av miljörisk vid användning av citalopram, escitalopram, sertralin, fluoxetin, venlafaxin, paroxetin och klomipramin. Stockholm: Goodpoint; 2018.
  9. Fass.se för vårdpersonal
  10. Stockholms läns landsting. Kloka Listan 2018.
  11. Stockholm County Council. The Wise List 2015.

SOURCES

  1. Drugbank, The DrugBank database is a unique bioinformatics and cheminformatics resource that combines detailed drug data with comprehensive drug target information.
  2. PubChem, PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers
  3. ECHA, The European Chemicals Agency (ECHA) is the driving force among regulatory authorities in implementing the EU's groundbreaking chemicals legislation for the benefit of human health and the environment as well as for innovation and competitiveness.
  4. EMA, The mission of the European Medicines Agency (EMA) is to foster scientific excellence in the evaluation and supervision of medicines, for the benefit of public and animal health in the European Union (EU).
  5. EU watch-list, Commission Implementing Decision (EU) 2018/840 of 5 June 2018 establishing a watch list of substances for Union-wide monitoring in the field of water policy pursuant to Directive 2008/105/EC of the European Parliament.
  6. Umweltbundesamt, Since its founding in 1974, the German Environment Agency (Umweltbundesamt – UBA) has been Germany’s main environmental protection agency.
  7. Naturvårdsverket, A public agency in Sweden that is responsible for environmental issues. The Agency carries out assignments on behalf of the Swedish Government relating to the environment in Sweden, the EU and internationally
  8. Läkemedelsverket, The Swedish Medical Products Agency (MPA) is the Swedish national authority responsible for regulation and surveillance of the development, manufacturing and marketing of drugs and other medicinal products.
  9. FASS, The Swedish environmental classification of pharmaceuticals at www.fass.se has now been running since October 2005. Since then a large amount of environmental information of pharmaceuticals has been published.
  10. Janusinfo, Janusinfo is providing drug information to support healthcare professionals in their everyday work. The website is the electronic means of communication of the Drug Therapeutic Committee and the Health and Medical Care Administration of the Stockholm County Council, Sweden.