Clemizole Hydrochloride/Deptropine Citrate
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Clemizole Hydrochloride/Deptropine Citrate 575 unsuitable for the prolonged treatment that may be re- UK licensed product information states that cyproheptadine may embolisation, a procedure sometimes used to relieve the symp- quired in palliative care. See also under Interactions, cause a false positive test result for tricyclic antidepressants in toms of carcinoid syndrome.2 There have been a few reports of urine. tumour regression, in addition to symptomatic control, after above. 3,4 1. Bivens CH, et al. Inhibition of hypoglycaemia-induced growth treatment of carcinoid tumours with cyproheptadine. Preparations hormone secretion by the serotonin antagonists cyproheptadine 1. Caplin ME, et al. Carcinoid tumour. Lancet 1998; 352: 799–805. and methysergide. N Engl J Med 1973; 289: 236–9. 2. Maton PN, et al. Role of hepatic arterial embolisation in the car- BP 2008: Cyclizine Injection; Cyclizine Tablets; Dipipanone and Cyclizine cinoid syndrome. BMJ 1983; 287: 932–5. Correction to dosage. Ta bl e t s ; Interactions ibid.; 1664. USP 31: Cyclizine Hydrochloride Tablets. 3. Harris AL, Smith IE. Regression of carcinoid tumour with cy- As for the sedating antihistamines in general, p.563. Proprietary Preparations (details are given in Part 3) proheptadine. BMJ 1982; 285: 475. 4. Leitner SP, et al. Partial remission of carcinoid tumor in response Austria: Echnatol; Denm.: Marzine; Fin.: Marzine; Hong Kong: Marzine†; Antidepressants. For reports suggesting that cyproheptadine to cyproheptadine. Ann Intern Med 1989; 111: 760–1. Valoid†; India: Medazine; Irl.: Valoid; Neth.: Kruidvat Reistabletten; can reduce the effectiveness of SSRIs, see under Fluoxetine, Norw.: Marzine; NZ: Marzine; Nausicalm; Valoid; S.Afr.: Aculoid; Cov- p.396. Serotonin syndrome. Cyproheptadine has been successfully amet; Emitex†; Medazine; Nauzine; Norizine†; Triazine; Valoid; Singapore: used to treat the serotonin syndrome (p.416) in patients who have Marzine†; Swed.: Marzine†; Switz.: Marzine; UK: Valoid; USA: Bonine for Kids; Marezine. developed the syndrome after overdoses involving serotonergic Pharmacokinetics drugs or who have had their antidepressant therapy changed Multi-ingredient: Austria: Echnatol B ; Migril; Fin.: Vertipam; Hong After absorption from the gastrointestinal tract, cypro- without an adequate wash-out period.1,2 Kong: Migril†; Wellconal†; Irl.: Cyclimorph; Diconal†; Migril†; Neth.: Ercy- cof†; S.Afr.: Cyclimorph; Migril; Wellconal; UK: Cyclimorph; Diconal; Migril. heptadine hydrochloride undergoes almost complete 1. Lappin RI, Auchincloss EL. Treatment of the serotonin syn- metabolism. Metabolites are excreted principally in the drome with cyproheptadine. N Engl J Med 1994; 331: 1021–2. 2. McDaniel WW. Serotonin syndrome: early management with cy- urine as conjugates, and also in the faeces. proheptadine. Ann Pharmacother 2001; 35: 870–3. Sexual dysfunction. Cyproheptadine has been tried in the Cyproheptadine Hydrochloride Uses and Administration management of sexual dysfunction induced by SSRIs (see Ef- (BANM, rINNM) Cyproheptadine, a piperidine derivative, is a sedating fects on Sexual Function under Fluoxetine, p.393) but may pos- antihistamine with antimuscarinic, serotonin-antago- sibly reduce the effectiveness of the SSRI. Ciproheptadin-hidroklorid; Ciproheptadino hidrocloridas; Cy- proheptadine, chlorhydrate de; Cyproheptadin-hydrochlorid nist, and calcium-channel blocking actions. It is used as Preparations seskvihydrát; Cyproheptadinhydroklorid; Cyproheptadini hydro- the hydrochloride for the symptomatic relief of allergic BP 2008: Cyproheptadine Tablets; chloridum; Cyproheptadini Hydrochloridum Sesquihydricum; conditions including urticaria and angioedema (p.565), USP 31: Cyproheptadine Hydrochloride Syrup; Cyproheptadine Hydro- Hidrocloruro de ciproheptadina; Siproheptadin Hidroklorür; rhinitis (p.565) and conjunctivitis (p.564), and in pru- chloride Tablets. Syproheptadiinihydrokloridi. 4-(5H-Dibenzo[a,d]cyclohepten-5- ritic skin disorders (p.565). Other uses include the Proprietary Preparations (details are given in Part 3) Austral.: Periactin; Austria: Periactin; Belg.: Periactin; Braz.: Periatin; ylidene)-1-methylpiperidine hydrochloride sesquihydrate. management of migraine (p.564). Cyproheptadine hy- Preptin†; Chile: Viternum; Cz.: Peritol; Denm.: Periactin†; Fr.: Periactine; Ципрогептадина Гидрохлорид drochloride is given as the sesquihydrate although dos- Ger.: Peritol; Hong Kong: Cyprogin; Hung.: Peritol; India: Apenorm†; Ciplactin; Peritol; Practin; Indon.: Alphahist; Apeton; Cydifar; Cylat; En- es are expressed in terms of the anhydrous substance. C21H21N,HCl,1 ⁄ H2O = 350.9. namax; Esprocy; Glocyp; Heptasan; Lexahist; Poncohist; Profut; Prohessen; Anhydrous cyproheptadine hydrochloride 10 mg is Pronicy; Sinapdin; Irl.: Periactin; Ital.: Periactin; Mex.: Viternum; Neth.: CAS — 129-03-3 (cyproheptadine); 969-33-5 (anhydrous Periactin; NZ: Periactin; Pol.: Peritol; Port.: Trimetabol†; Viternum; Rus.: cyproheptadine hydrochloride); 41354-29-4 (cyprohepta- equivalent to about 11 mg of cyproheptadine hydro- Peritol (Перитол); S.Afr.: Cipla-Actin; Periactin; Singapore: Cyprotin; chloride sesquihydrate. Spain: Klarivitina†; Periactin; Viternum; Swed.: Periactin; Switz.: Periactin†; dine hydrochloride sesquihydrate). Thai.: Cyheptine; Cyprogin; Cyprono; Cyprosian; Cyprotec; Hepdine; Peri- ATC — R06AX02. For allergic conditions and pruritus the oral dose in actin; Polytab; Turk.: Prakten; Sipraktin; UK: Periactin; Venez.: Cyprodin; Eptacor†; Periactin†. ATC Vet — QR06AX02. adults is initially 4 mg three times daily, adjusted as Multi-ingredient: Arg.: Apeplus; Apetitol Forte; Ciprocort; Ciprovit Cal- necessary. The average dose requirement is 12 to cio; Ciprovit Energizante; Ciprovit Magnesico; Mikesan; Nipiol†; Potencil; 16 mg daily in three or four divided doses, but up to Sudevil Vita; Braz.: Apetivit BC; Apetiviton BC; Apevitin BC; Apmed; Bona- petit†; Cobactin; Cobaglobal; Cobavit; Cobavital; Polivitam†; Trimetabol; 32 mg daily may occasionally be necessary. The dose Chile: Apetrol; Grisetin Con Carnitina†; Orodina; Peracon; Revil; Rodepan; for children aged 2 to 6 years is 2 mg two or three times Viternum Vitaminado; Hong Kong: Petina Compound; Tres Orix Forte; Ital.: Carpantin†; Mex.: Cipro-Dexol†; Ciprolisina; Pangavit Pediatrico; Ro- daily increasing to a maximum of 12 mg daily and for cavit; Spain: Anti Anorex Triple; Childrevit†; Covitasa B12; Desarrol; children aged 7 to 14 years, 4 mg two or three times Enoton; Glotone; Medenorex; Pantobamin; Pranzo; Stolina; Tonico Juven- tus; Tres Orix Forte†; Trimetabol; Troforex Pepsico; Vita Menal; Venez.: daily up to a maximum of 16 mg daily. Cyprohepta- Cipromet†; Cyprodex. dine is not recommended in debilitated elderly pa- tients. N A dose of 4 mg is used for both prophylaxis and treat- Deptropine Citrate (BANM, rINNM) CH ment of migraine and other vascular headaches and Citrato de deptropina; Deptropiinisitraatti; Deptropincitrat; 3 may be repeated after 30 minutes; patients who re- Deptropin-citrát; Deptropine, citrate de; Deptropini citras; Dep- (cyproheptadine) spond usually obtain relief with 8 mg, and this dose tropino citratas; Dibenzheptropine Citrate. (1R,3r,5S)-3-(10,11- should not be exceeded within a 4- to 6-hour period. A Dihydro-5H-dibenzo[a,d]cyclohepten-5-yloxy)tropane dihydro- maintenance dose of 4 mg may be given every 4 to 6 gen citrate. Pharmacopoeias. In Chin., Eur. (see p.vii), Jpn, and US. Дептропина Цитрат Ph. Eur. 6.2 (Cyproheptadine Hydrochloride). A white or slight- hours. C H NO,C H O = 525.6. ly yellow, crystalline powder. Slightly soluble in water; sparingly Other cyproheptadine salts that have been given orally 23 27 6 8 7 soluble in alcohol; freely soluble in methyl alcohol. Protect from CAS — 604-51-3 (deptropine); 2169-75-7 (deptropine ci- include the acetylaspartate, aspartate, cyclamate, oro- trate). light. USP 31 (Cyproheptadine Hydrochloride). A white to slightly tate, acefyllinate (7-theophyllineacetate), and the pyri- ATC — R06AX16. yellow, odourless or practically odourless, crystalline powder. doxal phosphate salt (dihexazine). ATC Vet — QR06AX16. Soluble 1 in 275 of water, 1 in 35 of alcohol, 1 in 26 of chloro- form, and 1 in 1.5 of methyl alcohol; practically insoluble in Abdominal migraine. Cyproheptadine has been tried in the prophylactic treatment of children with abdominal migraine (see ether. H3C Pizotifen, p.624). N Adverse Effects and Precautions Angina pectoris. Cyproheptadine was used successfully to treat 2 patients with Prinzmetal’s angina (p.1157) refractory to As for the sedating antihistamines in general, p.561. In- standard treatment with calcium-channel blockers and nitrates.1 creased appetite and weight gain may occur with cy- Serotonin is an important endocrine mediator of coronary vasos- H proheptadine. pasm and the beneficial effects of cyproheptadine were attributed to its activity as a serotonin antagonist. O Abuse. Dependence developed in a patient who took about 1 1. Schecter AD, et al. Refractory Prinzmetal angina treated with 180 mg of cyproheptadine daily by mouth for 5 years. cyproheptadine. Ann Intern Med 1994; 121: 113–14. 1. Craven JL, Rodin GM. Cyproheptadine dependence associated with an atypical somatoform disorder. Can J Psychiatry 1987; Appetite disorders. Cyproheptadine has been widely used as 32: 143–5. an appetite stimulant, including for anorexia nervosa and cachex- ia (see under Megestrol, p.2115), but in the long-term appears to Effects on the nervous system. Antimuscarinic toxicity