Doptelet (Avatrombopag)

Prescription medicineOnly Available By Prescription

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Strength Pack Size Qty
Strength
20mg
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Qty
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Description

Doptelet is a medicine that helps raise low platelet counts. Platelets help stop bleeding by forming clots when a blood vessel is damaged. It is used for adults with chronic liver disease before certain medical procedures, and for adults and children aged 1 and older with persistent or chronic immune thrombocytopenia (ITP). The drug works as a thrombopoietin receptor agonist that tells the bone marrow to make more platelets. In other words, it mimics a natural substance in the body called thrombopoietin, which supports platelet production. Platelet counts usually increase over several days.

Fact Table

Formula

C29H34Cl2N6O3S2 · C4H4O4 (Avatrombopag maleate)

License

US FDA (NDA 210238)

Bioavailability

Orally bioavailable; absolute bioavailability not established

Legal status

Rx only

Chemical Name

Avatrombopag Maleate

Elimination half-life

Approximately 19 hours

Dosage (Strength)

20mg tablets; 10mg oral granules (Doptelet Sprinkle); CLD: 40mg or 60mg once daily for 5 days based on platelet count; ITP: individualized dosing, usual initial tablet dose 20mg once daily

Pregnancy

May cause fetal harm; available human data are insufficient to determine drug-associated risk

Brands

Doptelet, Doptelet Sprinkle

Protein binding

>96%

PubChem CID

9852519

MedlinePlus

a618032

ChEBI

Not assigned

ATC code

B02BX08

DrugBank

DB11995

KEGG

D10306 (Avatrombopag); D10307 (Avatrombopag maleate)

Routes of administration

Oral

Directions

Take Doptelet with food to help your body absorb it. For people with chronic liver disease who are preparing for a procedure, it is taken for 5 days starting 10 to 13 days before the procedure. The procedure should be scheduled 5 to 8 days after the last dose. The dosage is typically 40 or 60 mg per day, depending on how low a person's platelet count is.

For adults and children aged 6 and older with chronic immune thrombocytopenia, the usual starting dose is 20 mg (one tablet) once daily. A healthcare provider may change the dose or how often you take it based on regular blood tests, with the goal of keeping platelet count at or above 50 × 10?/L. The maximum dosage for those with this condition is 40 mg per day.

Children ages 1 to under 6 use Doptelet Sprinkle granules, usually starting at 10 mg daily. Do not replace tablets with granules, or granules with tablets, because their doses are not equivalent.

Ingredients

The active ingredient in Doptelet is avatrombopag. Inactive ingredients include colloidal silicon dioxide, crospovidone, lactose monohydrate, magnesium stearate, and microcrystalline cellulose, with a coating film of ferric oxide yellow, polyethylene glycol, polyvinyl alcohol, talc, and titanium dioxide. Doptelet Sprinkle granules may contain crospovidone Type A, magnesium stearate, mannitol, microcrystalline cellulose, and sodium lauryl sulfate, inside a hypromellose capsule shell.

Cautions

  • Before using this medication, you may want to consult a healthcare provider about the following:
    • Any existing health conditions
    • Any allergies
    • A list of all medications currently being taken
  • Learn the signs of a blood clot before you start, and get emergency care if any appear, such as pain, warmth, or swelling in one leg, sudden breathlessness, chest pain, a severe headache, weakness on one side, or trouble speaking.
  • Keep every blood test appointment. Your healthcare provider may adjust the dose based on platelet count.
  • Tell your healthcare provider about any previous clots, a known clotting disorder, or a recent period of being immobile, so they can weigh the risk before you begin.
  • Do not stop Doptelet or change the dose on your own. Platelet counts can drift back toward where they started within about two weeks of stopping, which may lead to an increased bleeding risk.
  • The dosage of Doptelet may need to be adjusted if you take moderate or strong inducers or inhibitors of both CYP2C9 and CYP3A4, such as fluconazole, rifampin, or carbamazepine.
  • Tell a healthcare provider if you are pregnant or planning to be, since avatrombopag may harm a developing baby. Avoid breastfeeding while taking this medication.
  • Do not swallow Doptelet Sprinkle capsules whole. Open them, stir the granules into soft food or a liquid, and give the mixture immediately.

Contraindications

There are no contraindications for Doptelet in the drug label.

Side Effects

Common side effects of Doptelet include:

  • Headache
  • Fatigue
  • Fever
  • Abdominal pain
  • Nausea
  • Swelling in the hands, ankles, or feet
  • Bruising
  • Nosebleeds
  • Bleeding from the gums
  • Pinpoint red spots on the skin
  • Joint pain
  • Upper respiratory or other viral infections

Seek immediate medical help if you develop pain, warmth, redness, or swelling in one leg, sudden shortness of breath, chest pain, a crushing headache, slurred speech, or weakness down one side. In severe cases, this medication may cause bleeding that will not stop, blood in the urine or stool, black tarry stools, vomit that resembles coffee grounds, or a nosebleed. Consult a healthcare provider if you experience jaundice, a swollen abdomen, or new confusion, especially if you have liver disease. In rare cases, this medication may cause signs of a serious allergic reaction, such as a rash that blisters, swelling of the face, lips, or throat, and difficulty breathing.

References

Doptelet Prescribing Information. Morrisville, NC: AkaRx, Inc.; 2026.

Doptelet Drug Label Information. Morrisville, NC: AkaRx, Inc.; 2025.




IMPORTANT NOTE: The information provided above is for general awareness and educational purposes only. It is not intended to diagnose, treat, or replace professional medical or veterinary advice. Always consult your physician, pharmacist, or veterinarian regarding the safety, suitability, and proper use of any medication for yourself or your pet.

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