Pentifylline (BAN, Rinn) and Its Activity Was Not Altered in Patients with Renal Impairment.1 Profile 1
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1366 Cardiovascular Drugs treatment of hyperlipidaemias (p.1169). The usual oral dose is Preparations Penbutolol sulfate has also been used in similar doses 600 to 1200 mg daily in divided doses. Proprietary Preparations (details are given in Part 3) in cardiac disorders such as angina. Pantethine is also used as a nutritional supplement. Arg.: Tromboparin†; Cz.: Fluxum; Gr.: Thromboparin; Tromboparin†; Hung.: Fluxum; Ital.: Fluxum; Mex.: Fluxum; Pol.: Fluxum; Port.: Fluxum; Preparations Preparations Tromboparin; Turk.: Fluxum; Venez.: Tromboparin. USP 31: Penbutolol Sulfate Tablets. Proprietary Preparations (details are given in Part 3) Proprietary Preparations (details are given in Part 3) Hong Kong: Pantomin†; Ital.: Pantetina; Jpn: Pantosin; Spain: Liponet†; Ger.: Betapressin; USA: Levatol. Obliterol†. Multi-ingredient: Ger.: Betarelix; Betasemid. Multi-ingredient: Ital.: Carpantin†. Penbutolol Sulfate (USAN, rINNM) ⊗ Hoe-39-893d; Hoe-893d; Levopenbutolol Sulfate; Penbutolol Hemisulfate; Penbutolol sulfát; Penbutolol, sulfate de; Penbutolol Pentaerithrityl Tetranitrate (BAN, rINN) Sulphate (BANM); Penbutololi sulfas; Penbutololio sulfatas; Penbu- Pargyline Hydrochloride (BANM, USAN, rINNM) Erynite; Nitropentaerythrol; Nitropenthrite; Pentaérithrityle, tololisulfaatti; Penbutololsulfat; Penbutolol-szulfát; Sulfato de pen- Tétranitrate de; Pentaerithrityli Tetranitras; Pentaeritritilio tetran- A-19120; Hidrocloruro de pargilina; MO-911; NSC-43798; Par- butolol. (S)-1-tert-Butylamino-3-(2-cyclopentylphenoxy)propan- itratas; Pentaeritritol Tetranitrat; Pentaeritrit-tetranitrát; Pentaeri- gyline, Chlorhydrate de; Pargylini Hydrochloridum. N-Methyl-N- 2-ol hemisulfate. trityltetranitrat; Pentaeritrityylitetranitraatti; Pentaerythritol 2-propynylbenzylamine hydrochloride; Benzylmethylprop-2-ynyl- Пенбутолола Сульфат Tetranitrate; Pentaerythritolum Tetranitricum; Pentaerythrityl amine hydrochloride. Tetranitrate; Pentaérythrityle, tétranitrate de; Pentaerythrityli (C18H29NO2)2,H2SO4 = 680.9. tetranitras; Pentaerythrityl-tetranitrát; Pentaerytrityltetranitrat; Паргилина Гидрохлорид CAS — 38363-40-5 (penbutolol); 38363-32-5 (penbu- Pentaerytrityylitetranitraatti; Pentaerytrytylu tetraazotan; Pentan- C H N,HCl = 195.7. tolol sulfate). 11 13 itrol; PETN; Tetranitrato de pentaeritritilo. 2,2-Bis(hydroxyme- CAS — 555-57-7 (pargyline); 306-07-0 (pargyline hydro- ATC — C07AA23. thyl)propane-1,3-diol tetranitrate. chloride). ATC Vet — QC07AA23. ATC — C02KC01. Пентаэритритила Тетранитрат C H N O = 316.1. ATC Vet — QC02KC01. 5 8 4 12 CAS — 78-11-5. ATC — C01DA05. ATC Vet — QC01DA05. N OH CH H C H 3 N O CH3 ONO2 ONO2 H3C (pargyline) CH3 O2NO ONO2 Profile (penbutolol) NOTE. The synonym PETN has been applied to both niceritrol and Pargyline hydrochloride is an MAOI (see Phenelzine Sulfate, pentaerithrityl tetranitrate. p.415) that was formerly used in the treatment of moderate to Pharmacopoeias. In Eur. (see p.vii), Jpn, and US. Pharmacopoeias. Chin. and Eur. (see p.vii) include as diluted severe hypertension. Ph. Eur. 6.2 (Penbutolol Sulphate). A white or almost white, pentaerithrityl tetranitrate. crystalline powder. Slightly soluble in water; practically insolu- Ph. Eur. 6.2 (Pentaerithrityl Tetranitrate, Diluted). A mixture of ble in cyclohexane; soluble in methyl alcohol. Protect from light. pentaerithrityl tetranitrate with lactose monohydrate or mannitol. USP 31 (Penbutolol Sulfate). A white to off-white, crystalline Its solubility depends on the diluent and its concentration. Protect Parnaparin Sodium (BAN, rINN) powder. Soluble in water and in methyl alcohol. Store in airtight from light and heat. OP-21-23; Parnapariininatrium; Parnaparin sodná sůl; Parnaparin containers. Protect from light. Undiluted pentaerithrityl tetranitrate is a white or slightly yellow- ish powder. Practically insoluble in water; slightly soluble in al- Sodyum; Parnaparina sódica; Parnaparine sodique; Parnaparin- cohol; soluble in acetone. natrium; Parnaparin-nátrium; Parnaparino natrio druska; Parna- Adverse Effects, Treatment, and Precau- parinum natricum. tions Handling. Undiluted pentaerithrityl tetranitrate can be exploded by percussion or excessive heat. Парнапарин Натрий As for Beta Blockers, p.1226. Profile CAS — 9041-08-1. Pentaerithrityl tetranitrate is a vasodilator with general properties ATC — B01AB07. Interactions The interactions associated with beta blockers are dis- similar to those of glyceryl trinitrate (p.1296) but its duration of ATC Vet — QB01AB07. action is more prolonged. cussed on p.1228. Pharmacopoeias. In Eur. (see p.vii) and Jpn. It is used in angina pectoris (p.1157) in usual oral doses of up to Ph. Eur. 6.2 (Parnaparin Sodium). It is prepared by hydrogen 240 mg daily, in divided doses, before a meal. It is also given as modified-release preparations. peroxide and cupric salt depolymerisation of heparin obtained Pharmacokinetics from the intestinal mucosa of pigs and cattle. The majority of the Penbutolol is readily absorbed from the gastrointesti- Pentaerithrityl trinitrate, an active metabolite of pentaerithrityl nal tract and peak plasma concentrations occur about 1 tetranitrate, has also been used clinically under the name pentrin- components have a 2-O-sulfo-α-L-idopyranosuronic acid struc- itrol. ture at the non-reducing end and a 2-N,6-O-disulfo-D-glu- to 3 hours after a dose. Penbutolol is 80 to 98% bound cosamine structure at the reducing end of their chain. The mass- to plasma proteins. It has a high lipid solubility. It is Preparations average molecular mass ranges between 4000 and 6000, with a extensively metabolised in the liver by hydroxylation Proprietary Preparations (details are given in Part 3) characteristic value of about 5000. The mass percentage of Chile: Cardiosedantol; Cz.: Pentalong; Fr.: Nitrodex†; Ger.: Dilcoran; and glucuronidation, the metabolites being excreted in Nirason N; Pentalong; Hung.: Nitropenton; India: Peritrate; Ital.: Peri- chains lower than 3000 is not more than 30%. The degree of sul- the urine with only small amounts of unchanged pen- trate; Switz.: Nitrodex†; Thai.: Peritrate; Turk.: Danitrin. fation is 2.0 to 2.6 per disaccharide unit. Potency is not less than butolol. A plasma elimination half-life of about 20 Multi-ingredient: Austria: Spasmocor; Ger.: Nitro-Crataegutt†; Nitro- 75 units and not more than 110 units of anti-factor Xa activity per hours has been reported. Obsidan†; VisanoCor N†; Pol.: Pentaerythritol Compositum. mg with reference to the dried substance, and the ratio of anti- factor Xa activity to anti-factor IIa (antithrombin) activity is be- Renal impairment. Glucuronidation was considered more prominent than hydroxylation in the metabolism of penbutolol tween 1.5 and 3.0. Pentifylline (BAN, rINN) and its activity was not altered in patients with renal impairment.1 Profile 1. Bernard N, et al. Pharmacokinetics of penbutolol and its metab- 1-Hexyltheobromine; Pentifilina; Pentifylliini; Pentifyllin; Pentifylli- Parnaparin sodium is a low-molecular-weight heparin (p.1329) olites in renal insufficiency. Eur J Clin Pharmacol 1985; 29: num; SK-7. 1-Hexyl-3,7-dimethylxanthine. with anticoagulant activity used in the prevention of postopera- 215–19. Пентифиллин tive venous thromboembolism (p.1189); it has also been used in C13H20N4O2 = 264.3. other thromboembolic disorders. For general surgical procedures Uses and Administration CAS — 1028-33-7. it is given by subcutaneous injection in a dose of 3200 units 2 Penbutolol is a non-cardioselective beta blocker ATC — C04AD01. hours before the procedure, followed by 3200 units once daily (p.1225). It is reported to possess some intrinsic sym- ATC Vet — QC04AD01. for 7 days or until the patient is fully ambulant. For higher risk or pathomimetic activity but lacks membrane-stabilising orthopaedic patients a dose of 4250 units is given 12 hours be- properties. fore the procedure, followed by 4250 units 12 hours postopera- O CH3 tively and then once daily for 10 days. Penbutolol is used as the sulfate in the management of N For treatment of thromboembolism a dose of 6400 units may be hypertension (p.1171). It may also be used in cardiac H3C N given by subcutaneous injection for 7 to 10 days. disorders such as angina pectoris (p.1157). N ◊ References. In hypertension penbutolol sulfate is given in an initial O N 1. Frampton JE, Faulds D. Parnaparin: a review of its pharmacolo- oral dose of 20 mg daily; the dose may be increased if gy, and clinical application in the prevention and treatment of necessary to 40 to 80 mg daily. Maximum antihyper- CH3 thromboembolic and other vascular disorders. Drugs 1994; 47: tensive efficacy is reported to occur within 2 weeks in 652–76. patients given a dose of 20 mg daily but about 4 weeks Profile 2. McKeage K, Keating GM. Parnaparin: a review of its use in the Pentifylline is a xanthine derivative that has been used as a va- management of venous thromboembolism, chronic venous dis- may be required for maximum effect in patients given sodilator in the management of peripheral or cerebral vascular ease and other vascular disorders. Drugs 2008; 68: 105–22. 10 mg daily. disorders. Pargyline Hydrochloride/Pentoxifylline 1367 Preparations numbers of patients with vCJD, although there is little published Interactions research data. In 2003 the UK Department of Health1 took advice Proprietary Preparations (details are given in Part 3) Pentoxifylline may potentiate the effect of antihypertensives. from the CJD Therapy Advisory Group and the CSM; both Ger.: Cosaldon†. High parenteral doses of pentoxifylline