Brand Name

Ibrance

Generic Name
Palbociclib
View Brand Information
FDA approval date: February 03, 2015
Classification: Kinase Inhibitor
Form: Tablet, Capsule

What is Ibrance (Palbociclib)?

IBRANCE is indicated for the treatment of adult patients with hormone receptor -positive, human epidermal growth factor receptor 2 -negative advanced or metastatic breast cancer in combination with: an aromatase inhibitor as initial endocrine-based therapy in postmenopausal women or in men; or, fulvestrant in patients with disease progression following endocrine therapy. IBRANCE is a kinase inhibitor indicated for the treatment of adult patients with hormone receptor -positive, human epidermal growth factor receptor 2 -negative advanced or metastatic breast cancer in combination with:, an aromatase inhibitor as initial endocrine-based therapy in postmenopausal women or in men ; or, fulvestrant in patients with disease progression following endocrine therapy.

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Brand Information

Ibrance (palbociclib)
1DOSAGE FORMS AND STRENGTHS
125 mg tablets: Oval, light purple, film-coated tablets debossed with "Pfizer" on one side and "PBC 125" on the other side.
100 mg tablets: Oval, green, film-coated tablets debossed with "Pfizer" on one side and "PBC 100" on the other side.
75 mg tablets: Round, light purple, film-coated tablets debossed with "Pfizer" on one side and "PBC 75" on the other side.
2CONTRAINDICATIONS
None.
3ADVERSE REACTIONS
The following clinically significant adverse reactions are described elsewhere in the labeling:
  • Neutropenia
  • ILD/Pneumonitis
3.1Clinical Studies Experience
Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.
3.2Postmarketing Experience
The following adverse reactions have been identified during post-approval use of IBRANCE. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.
Respiratory Disorders: Interstitial lung disease (ILD)/non-infectious pneumonitis
Skin and Subcutaneous Tissue Disorders: Palmar-plantar erythrodysesthesia syndrome (PPES)
4DRUG INTERACTIONS
Palbociclib is primarily metabolized by CYP3A and sulfotransferase (SULT) enzyme SULT2A1. In vivo, palbociclib is a time-dependent inhibitor of CYP3A.
4.1Drugs That May Have Their Plasma Concentrations Altered by Palbociclib
Coadministration of midazolam with multiple doses of IBRANCE increased the midazolam plasma exposure by 61%, in healthy subjects, compared to administration of midazolam alone. The dose of the sensitive CYP3A substrate with a narrow therapeutic index (e.g., alfentanil, cyclosporine, dihydroergotamine, ergotamine, everolimus, fentanyl, pimozide, quinidine, sirolimus, and tacrolimus) may need to be reduced, as IBRANCE may increase its exposure
5DESCRIPTION
IBRANCE tablets for oral administration contain 125 mg, 100 mg, or 75 mg of palbociclib, a kinase inhibitor. The molecular formula for palbociclib is C
Chemical Structure
Palbociclib is a yellow to orange powder. At or below pH 4, palbociclib behaves as a high-solubility compound. Above pH 4, the solubility of the drug substance reduces significantly.
Inactive Ingredients: Microcrystalline cellulose, colloidal silicon dioxide, crospovidone, magnesium stearate, succinic acid, HPMC 2910/hypromellose, titanium dioxide, triacetin, and FD&C Blue #2/Indigo Carmine Aluminum Lake. In addition, the 75 mg and 125 mg tablets contain red iron oxide and the 100 mg tablets contain yellow iron oxide.
6HOW SUPPLIED/STORAGE AND HANDLING
IBRANCE is supplied in the following strengths and package configurations:
7PATIENT COUNSELING INFORMATION
Advise the patient to read the FDA-approved patient labeling (Patient Information).
8PRINCIPAL DISPLAY PANEL - 75 mg Tablet Dose Pack
PROFESSIONAL SAMPLE - NOT FOR SALE
Pfizer
NDC 63539-284-07
IBRANCE
tablets
75 mg per tablet
This weekly pack contains:
Rx only
PRINCIPAL DISPLAY PANEL - 75 mg Tablet Dose Pack
9PRINCIPAL DISPLAY PANEL - 75 mg Tablet Dose Pack Box
PROFESSIONAL SAMPLE - NOT FOR SALE
Pfizer
NDC 63539-284-03
IBRANCE
tablets
75 mg
21 tablets
Monthly Box Contains: 3 individual weekly
Rx only
Safety
PRINCIPAL DISPLAY PANEL - 75 mg Tablet Dose Pack Box
10PRINCIPAL DISPLAY PANEL - 100 mg Tablet Dose Pack
PROFESSIONAL SAMPLE - NOT FOR SALE
Pfizer
NDC 63539-486-07
IBRANCE
tablets
100 mg per tablet
This weekly pack contains:
Rx only
PRINCIPAL DISPLAY PANEL - 100 mg Tablet Dose Pack
11PRINCIPAL DISPLAY PANEL - 100 mg Tablet Dose Pack Box
PROFESSIONAL SAMPLE - NOT FOR SALE
Pfizer
NDC 63539-486-03
IBRANCE
tablets
100 mg
21 tablets
Monthly Box Contains: 3 individual weekly
Rx only
Safety
PRINCIPAL DISPLAY PANEL - 100 mg Tablet Dose Pack Box
12PRINCIPAL DISPLAY PANEL - 125 mg Tablet Dose Pack
PROFESSIONAL SAMPLE - NOT FOR SALE
Pfizer
NDC 63539-688-07
IBRANCE
tablets
125 mg per tablet
This weekly pack contains:
Rx only
PRINCIPAL DISPLAY PANEL - 125 mg Tablet Dose Pack
13PRINCIPAL DISPLAY PANEL - 125 mg Tablet Dose Pack Box
PROFESSIONAL SAMPLE - NOT FOR SALE
Pfizer
NDC 63539-688-03
IBRANCE
tablets
125 mg
21 tablets
Monthly Box Contains: 3 individual weekly
Rx only
Safety
PRINCIPAL DISPLAY PANEL - 125 mg Tablet Dose Pack Box
14PRINCIPAL DISPLAY PANEL - Topper Card
Your Monthly Box
Includes 3 weekly packs of
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PRINCIPAL DISPLAY PANEL - Topper Card