Ibrance (palbociclib)

Product Name:

Ibrance (Palbociclib)

Categories: Hematology, Oncology

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Table of Contents

Ibrance (palbociclib)

Product Category

Oncology

Brand Name

Ibrance

Generic Name or Biosimilar

No

Active Ingredient

Palbociclib

Prescription Status

Prescription-only in the United States, Mexico, and Canada.

Targeted Conditions

  • Hormone receptor–positive (HR+), HER2-negative advanced or metastatic breast cancer in combination with endocrine therapy.

Off-Label Usage

  • Investigated in other solid tumors, such as ovarian, pancreatic, and prostate cancers.
  • Studied in early-stage breast cancer prevention of recurrence (research ongoing).

Drug Classification Overview

Ibrance is a cyclin-dependent kinase 4/6 (CDK4/6) inhibitor. It works by blocking proteins in cancer cells that drive cell division, thereby slowing or stopping tumor growth when combined with hormone therapy.

Manufacturer in the USA, Mexico, and Canada

  • United States: Pfizer Inc.
  • Canada: Pfizer Canada ULC
  • Mexico: Pfizer S.A. de C.V.

Available Strengths and Dosage Forms – United States, Mexico, and Canada

Country Comparison – United States vs Mexico and Canada

  • Approved in all three countries for advanced HR+/HER2- breast cancer.
  • Access pathways may differ: in Canada through provincial cancer drug programs, in Mexico often via specialty oncologic pharmacies.

Average Retail Price (Monthly Treatment) USA vs Mexico vs Canada

Canada: Typically 25–35% savings compared to U.S. pricing.
Mexico: Typically 30–40% savings compared to U.S. pricing.

Savings are approximate, based on 2025 price data. They may vary depending on availability, oncology distribution, and prescription requirements.

Where to Buy USA

  • Costco
  • CVS
  • Rite Aid
  • Walgreens
  • Walmart
  • Kroger
  • Albertsons
  • Sam’s Club
  • Publix
  • Target (via CVS Pharmacy)
  • Online mail-order specialty care pharmacies

Note: Dispensed almost exclusively through oncology specialty pharmacies.

Storage Requirements

  • Store at room temperature (20°C–25°C / 68°F–77°F).
  • Protect from moisture and light.
  • Keep in original blister pack until use.

Shipping from Canada

This medication is accessed through fully licensed Canadian pharmacies regulated by Health Canada. All pharmacies included in the MedicalMex network undergo a rigorous review and verification process to ensure compliance with national standards, patient safety, and medication authenticity.

MedicalMex facilitates:

  • Prescription verification and fulfillment coordination
  • Secure, compliant medication logistics
  • Access to licensed Canadian pharmacists
  • Access to our network of certified physicians if a Telehealth consultation is needed
  • Case management, payment handling, and personalized boutique-level support
  • Cold chain shipping with next-generation temperature-monitored coolers, when required
  • Refill tracking and patient adherence programs

You are working directly with MedicalMex Inc., a U.S.-based company that helps eligible patients safely access affordable medications from Canada — with compliance and full-service concierge support at every step.

Buying from Mexico

This medication is also available through certified pharmacies in Mexico regulated by COFEPRIS (Mexico’s national health authority). All partners in the MedicalMex network must pass a rigorous review and certification process before being approved for patient access.

MedicalMex facilitates:

  • Transportation support to our affiliate clinic in Tijuana, Mexico
  • Prescription handling through licensed physicians within our certified network
  • Access to our network of accredited physicians if a Telehealth consultation is needed
  • Travel coordination, including flights and/or hotel reservations when required
  • Travel insurance
  • Cold chain shipping with advanced temperature-monitored coolers, when applicable
  • Personalized, boutique-level service
  • Refill tracking and patient adherence support

You are working directly with MedicalMex Inc., a U.S.-based company that manages every detail — from medical and travel logistics to prescription compliance — providing secure, affordable access to life-saving medications from Mexico.

Key Benefits

  • Effective targeted therapy for HR+/HER2- advanced breast cancer.
  • Works synergistically with endocrine therapy (letrozole, fulvestrant).
  • Can extend progression-free survival.
  • Oral medication, allowing at-home treatment rather than infusion.

Side Effects

Common side effects:

  • Low white blood cell counts (neutropenia)
  • Fatigue
  • Nausea
  • Infections
  • Hair thinning

Serious but less common side effects:

  • Severe neutropenia or febrile neutropenia
  • Interstitial lung disease (rare)
  • Liver function abnormalities
  • Blood clots (rare)

Patients should report severe or unusual symptoms to their healthcare provider immediately.

Warnings and Precautions

  • Regular blood tests required to monitor blood counts and liver function.
  • Increased infection risk due to low neutrophil counts.
  • Use caution with other medications that affect liver enzymes (CYP3A inhibitors/inducers).
  • Not recommended during pregnancy or breastfeeding.

Alternative Medications (by Indication)

  • Kisqali (ribociclib): CDK4/6 inhibitor alternative.
  • Verzenio (abemaciclib): Another CDK4/6 inhibitor with slightly different safety profile.
  • Aromatase inhibitors (letrozole, anastrozole): Hormone therapy backbone.
  • Faslodex (fulvestrant): Estrogen receptor antagonist often used in combination.

Medication FAQs

Ibrance is prescribed for HR+/HER2- advanced or metastatic breast cancer in combination with hormone therapy.

It is taken orally once daily for 21 days, followed by 7 days off (28-day cycle).

Treatment continues as long as it is effective and tolerated, based on oncologist evaluation.

Mild hair thinning may occur, but not typically complete hair loss.

Frequent blood tests for neutrophils and liver function are required, especially during early cycles.

No. It is always used in combination with endocrine therapy.

No. It is a targeted therapy, not traditional chemotherapy, though it can cause low blood counts.

Moderation is advised, but patients should consult their oncologist due to liver monitoring requirements.

Not yet. Only the branded version is currently available.

Yes. Support programs exist in the U.S., Canada, and Mexico. MedicalMex assists patients in exploring affordable access.