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{{Drugbox {{Drugbox
| Verifiedfields = changed
| verifiedrevid = 400488852 | verifiedrevid = 447377111
| IUPAC_name = Octacosanol, triacontanol, etc. | IUPAC_name = Octacosanol, triacontanol, etc.
| image = Fatty alcohol - generic.png | image = Fatty alcohol - generic.png
<!-- Clinical data -->

<!--Clinical data-->
| tradename = | tradename =
| Drugs.com = {{drugs.com|international|policosanol}} | Drugs.com = {{drugs.com|international|policosanol}}
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| pregnancy_US = <!-- A / B / C / D / X --> | pregnancy_US = <!-- A / B / C / D / X -->
| pregnancy_category = | pregnancy_category =
| legal_AU = <!-- S2, S3, S4, S5, S6, S7, S8, S9 or Unscheduled--> | legal_AU = <!-- S2, S3, S4, S5, S6, S7, S8, S9 or Unscheduled -->
| legal_CA = <!-- Schedule I, II, III, IV, V, VI, VII, VIII --> | legal_CA = <!-- Schedule I, II, III, IV, V, VI, VII, VIII -->
| legal_UK = <!-- GSL, P, POM, CD, or Class A, B, C --> | legal_UK = <!-- GSL, P, POM, CD, or Class A, B, C -->
| legal_US = <!-- OTC / Rx-only / Schedule I, II, III, IV, V --> | legal_US = <!-- OTC / Rx-only / Schedule I, II, III, IV, V -->
| legal_status = | legal_status =
| routes_of_administration = | routes_of_administration =
<!-- Pharmacokinetic data -->

<!--Pharmacokinetic data-->
| bioavailability = | bioavailability =
| protein_bound = | protein_bound =
| metabolism = | metabolism =
| elimination_half-life = | elimination_half-life =
| excretion = | excretion =
<!-- Identifiers -->

| CAS_number_Ref = {{cascite|changed|??}}
<!--Identifiers-->
| CAS_number = 142583-61-1 | CAS_number = 142583-61-7
| ATC_prefix = C10 | ATC_prefix = C10
| ATC_suffix = AX08 | ATC_suffix = AX08
| PubChem = | PubChem =
| DrugBank_Ref = {{drugbankcite|correct|drugbank}} | DrugBank_Ref = {{drugbankcite|correct|drugbank}}
| DrugBank = | DrugBank =
| ChemSpiderID_Ref = {{chemspidercite|changed|chemspider}}

| ChemSpiderID = none
<!--Chemical data--> <!-- Chemical data -->
| chemical_formula = CH<sub>3</sub>-(CH<sub>2</sub>)<sub>n</sub>-CH<sub>2</sub>OH n=24-34 | chemical_formula = CH<sub>3</sub>-(CH<sub>2</sub>)<sub>n</sub>-CH<sub>2</sub>OH n=24-34

| molecular_weight = (variable) | molecular_weight = (variable)
|drug_name=|alt=|caption=|type=|MedlinePlus=|licence_EU=|licence_US=}}
}}


'''Policosanol''' (or '''polycosanol''') is the generic term for a natural extract of plant ]es. It is used as a ] intended to lower ] ("bad" cholesterol) and increase ] ("good" or "healthy" cholesterol) and to help prevent ], though some studies have raised questions about the effectiveness of policosanol. '''Policosanol''' is the generic term for a mixture of long chain ]s extracted from plant ]es. It is used as a ].


== Physical properties == == History ==
Policosanol was originally derived from ] but the chemicals can also be isolated from beeswax, cereal grains, grasses, leaves, fruits, nuts, and seeds of many foods.<ref name=2010Rev/> ] consist of long chain alkanes and their derivatives, including long chain ] and alcohols.<ref name=Baker1982>{{cite book | vauthors = Baker EA |year=1982 |chapter=Chemistry and morphology of plant epicuticular waxes |title=The Plant Cuticle | veditors = Cutler DJ, Alvin KL, Price CE |publisher=Academic Press |location=London |pages=139–165 |isbn=0-12-199920-3}}</ref> Policosanols are very long chain alcohols with carbon backbones ranging from 24 to 34 carbons.<ref name=2010Rev/>


The first policosanol supplements were produced by Dalmer Laboratories in Cuba; studies conducted and published by that group have found that policosanol is safe and effective as a ]. However these studies were small, and efforts by groups outside of Cuba have failed to replicate these results.<ref name=2010Rev>{{cite journal | vauthors = Marinangeli CP, Jones PJ, Kassis AN, Eskin MN | title = Policosanols as nutraceuticals: fact or fiction | journal = Critical Reviews in Food Science and Nutrition | volume = 50 | issue = 3 | pages = 259–267 | date = March 2010 | pmid = 20301014 | doi = 10.1080/10408391003626249 | s2cid = 205689543 }}</ref>
Policosanol is a mixture of a few ]s derived from the waxes of such plants as ]<ref name="pmid17298709">{{cite journal |author=Marinangeli CP, Kassis AN, Jain D, Ebine N, Cunnane SC, Jones PJ |title=Comparison of composition and absorption of sugarcane policosanols |journal=] |volume=97 |issue=2 |pages=381–8 |year=2007 |pmid=17298709 |doi=10.1017/S0007114507336763 |url=http://journals.cambridge.org/abstract_S0007114507336763 |format=abstract}}</ref> and ], as well as ]. The most prevalent alcohol in policosanol is ],<ref name="pmid18385828">{{cite journal |author=Ohta Y, Ohashi K, Matsura T, Tokunaga K, Kitagawa A, Yamada K |title=Octacosanol attenuates disrupted hepatic reactive oxygen species metabolism associated with acute liver injury progression in rats intoxicated with carbon tetrachloride |journal=J Clin Biochem Nutr |volume=42 |issue=2 |pages=118–25 |year=2008 |pmid=18385828 |doi=10.3164/jcbn.2008017 |url= |pmc=2266062}}</ref> followed by ].


== Safety and efficacy ==
There is a much lower concentration of several other fatty alcohols: ], ], ], ], ], ], and ].
A meta-analysis in 2005 concluded that human policosanol consumption is safe and well tolerated and is effective at lowering the blood cholesterol.<ref name=MetaAnalysis>{{cite journal | vauthors = Chen JT, Wesley R, Shamburek RD, Pucino F, Csako G | title = Meta-analysis of natural therapies for hyperlipidemia: plant sterols and stanols versus policosanol | journal = Pharmacotherapy | volume = 25 | issue = 2 | pages = 171–183 | date = February 2005 | pmid = 15767233 | doi = 10.1592/phco.25.2.171.56942 | s2cid = 5608374 }}</ref> As of 2010, they were marketed as lipid-lowering agents in the Caribbean, Central and South America, and Canada.<ref name=2010Rev/> Furthermore, another meta-analysis published in 2018 with 22 studies and 1886 subjects showed policosanol could improve dyslipidemia with raising HDL.<ref>{{cite journal | vauthors = Gong J, Qin X, Yuan F, Hu M, Chen G, Fang K, Wang D, Jiang S, Li J, Zhao Y, Huang Z, Dong H, Lu F | display-authors = 6 | title = Efficacy and safety of sugarcane policosanol on dyslipidemia: A meta-analysis of randomized controlled trials | journal = Molecular Nutrition & Food Research | volume = 62 | issue = 1 | pages = 1700280 | date = January 2018 | pmid = 28730734 | doi = 10.1002/mnfr.201700280 | s2cid = 667730 }}</ref> The blood pressure lowering effect of Cuban policosanol has been shown in an animal model using spontaneously hypertensive rats (SHR)<ref>{{cite journal | vauthors = Cho KH, Yadav D, Kim SJ, Kim JR | title = Blood Pressure Lowering Effect of Cuban Policosanol is Accompanied by Improvement of Hepatic Inflammation, Lipoprotein Profile, and HDL Quality in Spontaneously Hypertensive Rats | journal = Molecules | volume = 23 | issue = 5 | pages = 1080 | date = May 2018 | pmid = 29751583 | pmc = 6102548 | doi = 10.3390/molecules23051080 | doi-access = free }}</ref> and a human trial.<ref>{{cite journal | vauthors = Cho KH, Kim SJ, Yadav D, Kim JY, Kim JR | title = Consumption of Cuban Policosanol Improves Blood Pressure and Lipid Profile via Enhancement of HDL Functionality in Healthy Women Subjects: Randomized, Double-Blinded, and Placebo-Controlled Study | journal = Oxidative Medicine and Cellular Longevity | volume = 2018 | pages = 4809525 | year = 2018 | pmid = 29854085 | pmc = 5944267 | doi = 10.1155/2018/4809525 | doi-access = free }}</ref><ref>{{cite journal | vauthors = Kim SJ, Yadav D, Park HJ, Kim JR, Cho KH | title = Long-Term Consumption of Cuban Policosanol Lowers Central and Brachial Blood Pressure and Improves Lipid Profile With Enhancement of Lipoprotein Properties in Healthy Korean Participants | journal = Frontiers in Physiology | volume = 9 | pages = 412 | year = 2018 | pmid = 29765328 | pmc = 5939616 | doi = 10.3389/fphys.2018.00412 | doi-access = free }}</ref>

Modulation of ]<ref name="pmid16714400">{{cite journal |author=Singh DK, Li L, Porter TD |title=Policosanol inhibits cholesterol synthesis in hepatoma cells by activation of AMP-kinase |journal=J. Pharmacol. Exp. Ther. |volume=318 |issue=3 |pages=1020–6 |year=2006 |pmid=16714400 |doi=10.1124/jpet.106.107144 |url=http://jpet.aspetjournals.org/cgi/pmidlookup?view=long&pmid=16714400}}</ref> and ] absorption inhibition<ref name="pmid16076108">{{cite journal |author=Ng CH, Leung KY, Huang Y, Chen ZY |title=Policosanol has no antioxidant activity in human low-density lipoprotein but increases excretion of bile acids in hamsters |journal=J. Agric. Food Chem. |volume=53 |issue=16 |pages=6289–93 |year=2005 |pmid=16076108 |doi=10.1021/jf051269a}}</ref> have been proposed as mechanisms.

== Studies ==
Published studies have come to conflicting conclusions regarding the ] of policosanol in lowering ] (i.e., "bad cholesterol") or raising ] (i.e., "good cholesterol").<ref name="negative">{{cite journal
| author = Heiner K. Berthold, MD, PhD; Susanne Unverdorben, MD; Ralf Degenhardt, PhD; Michael Bulitta, Dipl-Stat; Ioanna Gouni-Berthold, MD
| date = May 17, 2006
| title = Effect of Policosanol on Lipid Levels Among Patients With Hypercholesterolemia or Combined Hyperlipidemia
| journal = Journal of the American Medical Association
| volume = 295
| issue = 19
| pages = 2262–2269
| url = http://jama.ama-assn.org/cgi/content/abstract/295/19/2262
| accessdate = 2006-10-03
| pmid = 16705107
| doi = 10.1001/jama.295.19.2262
}}</ref><ref name="positive">{{cite journal
| author = Pons P, Rodriguez M, Robaina C, Illnait J, Mas R, Fernandez L, Fernandez JC.
| year = 1994
| title = Effects of successive dose increases of policosanol on the lipid profile of patients with type II hypercholesterolaemia and tolerability to treatment
| journal = International Journal of Clinical Pharmacology Research
| volume = 14
| issue = 1
| pages = 27–33
| pmid = 7927958
| accessdate =
}}</ref><ref name="pmid15767233">{{cite journal |author=Chen JT, Wesley R, Shamburek RD, Pucino F, Csako G |title=Meta-analysis of natural therapies for hyperlipidemia: plant sterols and stanols versus policosanol |journal=Pharmacotherapy |volume=25 |issue=2 |pages=171–83 |year=2005 |pmid=15767233 |doi=10.1592/phco.25.2.171.56942 |url= }}</ref> Despite a number of studies funded by the Cuban government, which produces and markets the drug,<ref>{{cite journal | journal = Nature Biotechnology | volume = 22 | issue = 12s | pages = DC19–DC24 | year = 2004 | doi = 10.1038/nbt1204supp-DC19 | title = Cuba—innovation through synergy | url = http://www.nature.com/nbt/journal/v22/n12s/fig_tab/nbt1204supp-DC19_T1.html | author = Thorsteinsdóttir, Halla | pmid = 15583679 | last2 = Sáenz | first2 = TW | last3 = Quach | first3 = U | last4 = Daar | first4 = AS | last5 = Singer | first5 = PA}}</ref> independent clinical trials have found no evidence of the efficacy of policosanol.<ref name="negative"/>

== Production ==

Policosanol is produced, promoted and studied extensively in ]. The supplement is considered a ] by some Cubans.{{Fact|date=September 2007}}


== References == == References ==
{{reflist|2}} {{reflist}}


== External links == == External links ==
* at PDRHealth.com * at Drugs.com
*{{US patent|6225354}}


{{Lipid modifying agents}}
{{Alcohols}} {{Alcohols}}


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