Bosentan: Difference between revisions

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__NOTOC__
{{DrugProjectFormSinglePage
{{drugbox
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Gerald Chi
 
<!--Overview-->
 
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Bosentan
 
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a
 
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Yes
 
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====Signs and Symptoms====
 
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<!--Pharmacology-->
 
<!--Drug box 2-->
 
|drugBox=
 
{{drugbox2
| IUPAC_name = ''N''-[6-(2-hydroxyethoxy)-5- (2-methoxyphenoxy) -2-pyrimidin-2-yl-pyrimidin-4-yl] -4-tert- butyl-benzenesulfonamide
| IUPAC_name = ''N''-[6-(2-hydroxyethoxy)-5- (2-methoxyphenoxy) -2-pyrimidin-2-yl-pyrimidin-4-yl] -4-tert- butyl-benzenesulfonamide
| image = Bosentan_svg.png
| image = Bosentan_svg.png
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| routes_of_administration = Oral
| routes_of_administration = Oral
}}
}}
__NOTOC__
{{SI}}
{{CMG}}


==Overview==
<!--Mechanism of Action-->
===[[Bosentan (patient information)|For patient information, click here]]===
 
'''Bosentan''' (BOZENTAN) is a dual [[endothelin receptor antagonist]] important in the treatment of [[pulmonary artery hypertension]] (PAH). It is licensed in the United States, the European Union and other countries by Actelion Pharmaceuticals for the management of PAH under the trade name '''Tracleer®'''.
|mechAction=
 
*
 
<!--Structure-->
 
|structure=


==Indications==
*
Bosentan is used to treat pulmonary hypertension by blocking the action of [[endothelin]] molecules that would otherwise promote [[Vasoconstrictor|narrowing of the blood vessels]] and lead to [[hypertension|high blood pressure]].


==Mechanism of action==
: [[File:{{PAGENAME}}01.png|thumb|none|600px|This image is provided by the National Library of Medicine.]]
Bosentan works by competitively and specifically binding to ET<sub>A</sub> and ET<sub>B</sub> [[Receptor (biochemistry)|receptor]] sites in the [[endothelium]] and [[Blood vessel|vascular]] [[smooth muscle]]. In so binding, it prevents the [[neurohormone]] endothelin-1 (ET-1) from binding to these same receptor sites and triggering [[Vasoconstrictor|vasoconstriction]]. Bosentan shows somewhat higher affinity for ET<sub>A</sub> receptors than ET<sub>B</sub> receptors. <!--Here I tried to split the detailed explanation of the mechanism of action from the simplified version found under the heading "Indications"-->


==Dosage==
<!--Pharmacodynamics-->
This medication is normally given in pill form. Administration of bosentan is normally initiated at a dosage of 62.5 mg twice daily for a period of four weeks. If no [[adverse drug reaction]]s are observed, the dosage is raised to a maintenance level of 125 mg twice daily. Studies have not shown sufficient benefit from higher doses to counter the increased risk of [[Hepatotoxicity|liver damage]].


==Pharmacokinetic Data==
|PD=
*t<sub>cmax</sub> = 3 to 5 hours after oral dosing (time elapsed before maximal concentration in the [[blood plasma]] is reached)


==Warnings and precautions==
There is limited information regarding <i>Pharmacodynamics</i> of {{PAGENAME}} in the drug label.
Bosentan can cause [[liver]] damage, so patients taking it should have their [[Liver function tests|liver function tested]] monthly while on the medication.


Bosentan can cause major birth defects, so women of childbearing-age must be tested for [[pregnancy]] prior to taking this medication, and use non-hormonal means of [[contraception]] (i.e. birth control pills cannot be relied upon in this situation).
<!--Pharmacokinetics-->


==See also==
|PK=
*[[Sitaxsentan]]<br>
 
*[[Ambrisentan]]
There is limited information regarding <i>Pharmacokinetics</i> of {{PAGENAME}} in the drug label.
 
<!--Nonclinical Toxicology-->
 
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<!--Clinical Studies-->
 
|clinicalStudies=
 
There is limited information regarding <i>Clinical Studies</i> of {{PAGENAME}} in the drug label.
 
<!--How Supplied-->
 
|howSupplied=
 
*  
 
<!--Patient Counseling Information-->
 
|fdaPatientInfo=
 
There is limited information regarding <i>Patient Counseling Information</i> of {{PAGENAME}} in the drug label.
 
<!--Precautions with Alcohol-->
 
|alcohol=
 
* Alcohol-{{PAGENAME}} interaction has not been established. Talk to your doctor about the effects of taking alcohol with this medication.
 
<!--Brand Names-->
 
|brandNames=
 
* ®<ref>{{Cite web | title =  | url =  }}</ref>
 
<!--Look-Alike Drug Names-->
 
|lookAlike=
 
* A® — B®<ref name="www.ismp.org">{{Cite web  | last =  | first =  | title = http://www.ismp.org | url = http://www.ismp.org | publisher =  | date =  }}</ref>
 
<!--Drug Shortage Status-->
 
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}}
 
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{{PillImage
|fileName=No image.jpg|This image is provided by the National Library of Medicine.
|drugName=
|NDC=
|drugAuthor=
|ingredients=
|pillImprint=
|dosageValue=
|dosageUnit=
|pillColor=
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{{LabelImage
|fileName={{PAGENAME}}11.png|This image is provided by the National Library of Medicine.
}}
 
{{LabelImage
|fileName={{PAGENAME}}11.png|This image is provided by the National Library of Medicine.
}}


{{PAH rx}}
<!--Category-->
{{Antihypertensives and diuretics}}


[[Category:Endothelin receptor antagonists]]
[[Category:Endothelin receptor antagonists]]

Revision as of 20:43, 26 July 2014

Bosentan
Black Box Warning
Adult Indications & Dosage
Pediatric Indications & Dosage
Contraindications
Warnings & Precautions
Adverse Reactions
Drug Interactions
Use in Specific Populations
Administration & Monitoring
Overdosage
Pharmacology
Clinical Studies
How Supplied
Images
Patient Counseling Information
Precautions with Alcohol
Brand Names
Look-Alike Names

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Gerald Chi

Disclaimer

WikiDoc MAKES NO GUARANTEE OF VALIDITY. WikiDoc is not a professional health care provider, nor is it a suitable replacement for a licensed healthcare provider. WikiDoc is intended to be an educational tool, not a tool for any form of healthcare delivery. The educational content on WikiDoc drug pages is based upon the FDA package insert, National Library of Medicine content and practice guidelines / consensus statements. WikiDoc does not promote the administration of any medication or device that is not consistent with its labeling. Please read our full disclaimer here.

Black Box Warning

Title
See full prescribing information for complete Boxed Warning.
ConditionName:
  • Content

Overview

Bosentan is a that is FDA approved for the {{{indicationType}}} of . There is a Black Box Warning for this drug as shown here. Common adverse reactions include .

Adult Indications and Dosage

FDA-Labeled Indications and Dosage (Adult)

Condition1
  • Dosing Information
  • Dosage
Condition2
  • Dosing Information
  • Dosage
Condition3
  • Dosing Information
  • Dosage
Condition4
  • Dosing Information
  • Dosage

Off-Label Use and Dosage (Adult)

Guideline-Supported Use

Condition1
  • Developed by:
  • Class of Recommendation:
  • Strength of Evidence:
  • Dosing Information
  • Dosage
Condition2

There is limited information regarding Off-Label Guideline-Supported Use of Bosentan in adult patients.

Non–Guideline-Supported Use

Condition1
  • Dosing Information
  • Dosage
Condition2

There is limited information regarding Off-Label Non–Guideline-Supported Use of Bosentan in adult patients.

Pediatric Indications and Dosage

FDA-Labeled Indications and Dosage (Pediatric)

Condition1
  • Dosing Information
  • Dosage
Condition2

There is limited information regarding FDA-Labeled Use of Bosentan in pediatric patients.

Off-Label Use and Dosage (Pediatric)

Guideline-Supported Use

Condition1
  • Developed by:
  • Class of Recommendation:
  • Strength of Evidence:
  • Dosing Information
  • Dosage
Condition2

There is limited information regarding Off-Label Guideline-Supported Use of Bosentan in pediatric patients.

Non–Guideline-Supported Use

Condition1
  • Dosing Information
  • Dosage
Condition2

There is limited information regarding Off-Label Non–Guideline-Supported Use of Bosentan in pediatric patients.

Contraindications

  • Condition1

Warnings

Title
See full prescribing information for complete Boxed Warning.
ConditionName:
  • Content
  • Description

Precautions

  • Description

Adverse Reactions

Clinical Trials Experience

There is limited information regarding Clinical Trial Experience of Bosentan in the drug label.

Body as a Whole
Cardiovascular
Digestive
Endocrine
Hematologic and Lymphatic
Metabolic and Nutritional
Musculoskeletal
Neurologic
Respiratory
Skin and Hypersensitivy Reactions
Special Senses
Urogenital
Miscellaneous

Postmarketing Experience

There is limited information regarding Postmarketing Experience of Bosentan in the drug label.

Body as a Whole
Cardiovascular
Digestive
Endocrine
Hematologic and Lymphatic
Metabolic and Nutritional
Musculoskeletal
Neurologic
Respiratory
Skin and Hypersensitivy Reactions
Special Senses
Urogenital
Miscellaneous

Drug Interactions

  • Drug
  • Description

Use in Specific Populations

Pregnancy

Pregnancy Category (FDA):

  • Pregnancy Category


Pregnancy Category (AUS):

  • Australian Drug Evaluation Committee (ADEC) Pregnancy Category

There is no Australian Drug Evaluation Committee (ADEC) guidance on usage of Bosentan in women who are pregnant.

Labor and Delivery

There is no FDA guidance on use of Bosentan during labor and delivery.

Nursing Mothers

There is no FDA guidance on the use of Bosentan with respect to nursing mothers.

Pediatric Use

There is no FDA guidance on the use of Bosentan with respect to pediatric patients.

Geriatic Use

There is no FDA guidance on the use of Bosentan with respect to geriatric patients.

Gender

There is no FDA guidance on the use of Bosentan with respect to specific gender populations.

Race

There is no FDA guidance on the use of Bosentan with respect to specific racial populations.

Renal Impairment

There is no FDA guidance on the use of Bosentan in patients with renal impairment.

Hepatic Impairment

There is no FDA guidance on the use of Bosentan in patients with hepatic impairment.

Females of Reproductive Potential and Males

There is no FDA guidance on the use of Bosentan in women of reproductive potentials and males.

Immunocompromised Patients

There is no FDA guidance one the use of Bosentan in patients who are immunocompromised.

Administration and Monitoring

Administration

  • Oral
  • Intravenous

Monitoring

There is limited information regarding Monitoring of Bosentan in the drug label.

  • Description

IV Compatibility

There is limited information regarding IV Compatibility of Bosentan in the drug label.

Overdosage

Acute Overdose

Signs and Symptoms

  • Description

Management

  • Description

Chronic Overdose

There is limited information regarding Chronic Overdose of Bosentan in the drug label.

Pharmacology

Template:Px
Bosentan
Systematic (IUPAC) name
N-[6-(2-hydroxyethoxy)-5- (2-methoxyphenoxy) -2-pyrimidin-2-yl-pyrimidin-4-yl] -4-tert- butyl-benzenesulfonamide
Identifiers
CAS number 147536-97-8
ATC code C02KX01
PubChem 104865
DrugBank APRD00829
Chemical data
Formula Template:OrganicBox atomTemplate:OrganicBox atomTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBox atomTemplate:OrganicBoxTemplate:OrganicBox atomTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBox atomTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBox 
Mol. mass 551.615 g/mol
SMILES eMolecules & PubChem
Pharmacokinetic data
Bioavailability 50%
Protein binding >98%
Metabolism Hepatic
Half life 5 hours
Excretion ?
Therapeutic considerations
Pregnancy cat.

X

Legal status

Template:Unicode Prescription only

Routes Oral

Mechanism of Action

Structure

This image is provided by the National Library of Medicine.

Pharmacodynamics

There is limited information regarding Pharmacodynamics of Bosentan in the drug label.

Pharmacokinetics

There is limited information regarding Pharmacokinetics of Bosentan in the drug label.

Nonclinical Toxicology

There is limited information regarding Nonclinical Toxicology of Bosentan in the drug label.

Clinical Studies

There is limited information regarding Clinical Studies of Bosentan in the drug label.

How Supplied

Storage

There is limited information regarding Bosentan Storage in the drug label.

Images

Drug Images

{{#ask: Page Name::Bosentan |?Pill Name |?Drug Name |?Pill Ingred |?Pill Imprint |?Pill Dosage |?Pill Color |?Pill Shape |?Pill Size (mm) |?Pill Scoring |?NDC |?Drug Author |format=template |template=DrugPageImages |mainlabel=- |sort=Pill Name }}

Package and Label Display Panel

{{#ask: Label Page::Bosentan |?Label Name |format=template |template=DrugLabelImages |mainlabel=- |sort=Label Page }}

Patient Counseling Information

There is limited information regarding Patient Counseling Information of Bosentan in the drug label.

Precautions with Alcohol

  • Alcohol-Bosentan interaction has not been established. Talk to your doctor about the effects of taking alcohol with this medication.

Brand Names

Look-Alike Drug Names

Drug Shortage Status

Price

References

The contents of this FDA label are provided by the National Library of Medicine.

  1. Empty citation (help)
  2. "http://www.ismp.org". External link in |title= (help)


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