background

Filter By Category

Active Pharma Ingredients
Disease Dictionary

Archives

Posted by -

Active Pharma Ingredients / 01 Sep 2026

ATIRMOCICLIB

Generic Name: ATIRMOCICLIB

ABSTRACT -

Atirmociclib (PF-07220060) is an investigational oral cyclin-dependent kinase 4 (CDK4)-selective inhibitor. By inhibiting CDK4/cyclin D signaling, it is intended to reduce retinoblastoma protein phosphorylation and arrest susceptible tumor cells in the G1 phase. It is a small molecule with molecular formula C22H27ClFN5O3.

This document is for structured API information only. It is not a prescribing guide. Clinical use, if any, must follow the approved local label, trial protocol, and specialist medical supervision.

DOSAGE -

  • Dosage should be determined only by a qualified oncology professional.
  • Use should follow the clinical-trial protocol or future approved local label.
  • Dose interruption, reduction, or discontinuation may be needed for toxicity.
  • Blood counts and organ function should be monitored during therapy.

SIDE EFFECTS-

Possible side effects and safety concerns include:

  • Nausea, diarrhea, vomiting, or appetite loss
  • Fatigue, headache, or weakness
  • Neutropenia, anemia, or other blood-count changes
  • Rash or liver enzyme elevations
  • Infections may occur when blood counts are reduced.

ALLERGIC REACTIONS -

Hypersensitivity to Atirmociclib or related compounds/products may occur. Symptoms may include:

  • Immediate urticaria or generalized rash
  • Facial, lip, tongue, or throat swelling
  • Wheezing or breathing difficulty
  • Dizziness, collapse, or anaphylaxis

Important: Patients who develop an allergic reaction to Atirmociclib should seek immediate medical attention and inform all future healthcare providers of the allergy.

DRUG INTERACTIONS-

Atirmociclib may interact with certain medicines, protocols, vaccines, clinical conditions, or procedures. Caution is needed with:

  • Strong CYP inhibitors or inducers may alter exposure if metabolism involves CYP pathways.
  • Other myelosuppressive anticancer therapies can increase cytopenia risk.
  • Live vaccines should generally be avoided during significant immune suppression.
  • Herbal supplements and over-the-counter medicines should be reviewed.

Patients should inform healthcare providers about all prescription medicines, over-the-counter medicines, herbal products, vaccines, and supplements they are using.

PREAUTIONS–

  • Monitor complete blood counts and liver function as directed.
  • Assess infection symptoms promptly.
  • Use contraception during and after treatment if embryo-fetal risk applies.
  • Use caution in hepatic impairment or severe comorbid disease.

WARNINGS –

  • Investigational anticancer kinase inhibitor: not for unsupervised use.
  • Fever with neutropenia, severe diarrhea, or allergic reaction requires urgent care.
  • May cause fetal harm based on mechanism and class.
  • Keep out of reach of children.

Have any questions? or Need help Contact us – 022 6163 6163 | support@medicus.com

CONTACT US

We're not around right now. But you can send us an email and we'll get back to you, asap.

Sending

©2026 Copyright. All rights reserved. Powered by . Developed by Hats-Off

Log in with your credentials

Forgot your details?

Feedback