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Avatrombopag

Published: July 26, 2026Updated: July 26, 2026

Avatrombopag is an oral thrombopoietin (TPO) receptor agonist used to treat low platelet counts (thrombocytopenia). It stimulates the bone marrow to produce more platelets by promoting the growth and maturation of megakaryocytes, the cells responsible for platelet creation. This medication is typically prescribed for patients with chronic liver disease or immune thrombocytopenia who require procedures or have significant bleeding risks.

Quick summary

Avatrombopag is an oral medication that increases platelet production by stimulating bone marrow cells, used to treat thrombocytopenia in patients with liver disease or immune conditions.

Medically reviewed by WellAlly Editorial TeamLast reviewed July 26, 2026Editorial policy

Key facts at a glance

ATC
B02BX08
RxNorm
2045726
Generic
Avatrombopag
Class
atc-b02
Brands
Doptelet
Availability
rx
Lactation
unknown
Routes
oral
Forms
tablet
Regions
US, EU, CN, JP
Monitoring
—

This page is for informational purposes only.

Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.

Dosage and administration

adult (chronic liver disease)tablet
Usual dose
40mg or 60mg once daily
Maximum
consult physician
Frequency
once daily for 5 days
Instructions
Follow physician instructions
Duration limits
as prescribed
Monitoring
standard
adult (ITP)tablet
Usual dose
20mg once daily
Maximum
consult physician
Frequency
once daily
Instructions
Follow physician instructions
Duration limits
as prescribed
Monitoring
standard
geriatric (standard)tablet
Usual dose
20mg once daily
Maximum
consult physician
Frequency
once daily
Instructions
Follow physician instructions
Duration limits
as prescribed
Monitoring
standard

Overdose information

Important overdose information
Toxic dose: Doses significantly higher than recommended therapeutic dose (20-40 mg) may cause increased risk of thrombotic events and platelet count elevation
Chronic overdose: Prolonged use above recommended dosing may lead to thromboembolic complications
Immediate actions
Discontinue medication, monitor platelet count, provide supportive care, evaluate for thrombosis
Antidote
No specific antidote available(Treatment is supportive and symptomatic)
Poison Control: 1-800-222-1222

Special Populations

10 groups
⚠

pregnancy

first trimester
caution
FDA Category
C
Dose Adjustment

avoid if possible

Key Recommendations

use only if benefits outweigh potential risks to fetus

Monitor

regular fetal monitoring recommended

Use with caution and monitor for adverse effects.

⚠

pregnancy

second trimester
caution
FDA Category
C
Dose Adjustment

use lowest effective dose

Key Recommendations

use only when clinically indicated

Monitor

routine prenatal monitoring

Use with caution and monitor for adverse effects.

⚠

pregnancy

third trimester
caution
FDA Category
C
Dose Adjustment

use lowest effective dose

Key Recommendations

use only when benefits outweigh risks

Monitor

fetal monitoring and platelet count monitoring

Use with caution and monitor for adverse effects.

?

lactation

breastfeeding
unknown
FDA Category
N
Dose Adjustment

no adjustment

Key Recommendations

breastfeeding not recommended during treatment due to unknown excretion in breast milk

Monitor

monitor infant platelet counts if breastfeeding continues

✓

geriatric

elderly
safe
FDA Category
N
Dose Adjustment

no specific adjustment

Key Recommendations

no dose adjustment required based on age alone

Monitor

standard monitoring for efficacy and adverse effects

?

pediatric_age

children adolescents
unknown
FDA Category
N
Dose Adjustment

not established

Key Recommendations

not recommended for use in patients under 18 years due to limited safety and efficacy data

Monitor

no specific pediatric monitoring guidelines

✓

renal_impairment

mild to moderate
safe
FDA Category
N
Dose Adjustment

no adjustment

Key Recommendations

no dose adjustment needed for mild to moderate renal impairment

Monitor

standard monitoring

⚠

renal_impairment

severe
caution
FDA Category
N
Dose Adjustment

use with caution

Key Recommendations

limited data in severe renal impairment; use with caution

Monitor

close monitoring of platelet counts and renal function

Use with caution and monitor for adverse effects.

⚠

hepatic_impairment

mild to moderate
caution
FDA Category
N
Dose Adjustment

no adjustment for mild

Key Recommendations

used for procedural preparation in patients with chronic liver disease; no dose adjustment needed

Monitor

monitor platelet counts before and after treatment

Use with caution and monitor for adverse effects.

⚠

hepatic_impairment

severe
caution
FDA Category
N
Dose Adjustment

use with caution

Key Recommendations

use with caution in severe hepatic impairment; not studied in severe hepatic impairment

Monitor

close monitoring of liver function and platelet counts

Use with caution and monitor for adverse effects.

Statistics and clinical data

drug_classWHO
2023

Drug class

Value:Thrombopoietin receptor agonist

Pharmacological classification

prescribingFDA
2023

FDA approval year

Value:2018

Regulatory approval information

usageFDA
2023

Common uses

Value:Treatment of thrombocytopenia in adults with chronic liver disease scheduled for procedure; Treatment of thrombocytopenia in adults with chronic immune thrombocytopenia (ITP)

Therapeutic indications

mechanismFDA
2023

Mechanism of action

Value:Binds to thrombopoietin receptor, stimulating platelet production

Pharmacodynamic properties

Treatment of thrombocytopenia (low platelet counts) in adults with chronic liver disease who are scheduled to undergo a procedure, and in adults with chronic immune thrombocytopenia (ITP) who have had an insufficient response to other treatments.

Avatrombopag binds to and activates the thrombopoietin (TPO) receptor on bone marrow progenitor cells, stimulating the proliferation and differentiation of megakaryocytes, which leads to increased platelet production.

Avatrombopag is taken orally once daily with food. It may increase the risk of blood clots, especially in patients with known thrombotic risk factors. Regular blood monitoring is required to assess platelet response. Do not use to normalize platelet counts; use only when clinically indicated.

Contraindications

Conditions and patient states where this medication should be avoided or used with caution.

Do not use (1)

ABSOLUTEhypersensitivity

Known allergy to this medication or its components

Use caution (1)

RELATIVEpregnancy

Consult healthcare provider for benefits vs risks assessment

Official drug label

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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed July 26, 2026. · Read our editorial policy