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Drug Safety-related Labeling Changes (SrLC)

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CELLCEPT (NDA-050722)

(MYCOPHENOLATE MOFETIL)

Safety-related Labeling Changes Approved by FDA Center for Drug Evaluation and Research (CDER)

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06/06/2022 (SUPPL-51)

Approved Drug Label (PDF)

6 Adverse Reactions

6.1 Clinical Trials Experience

Subsection title revised

Additions and/or revisions underlined:

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. An estimated total of 1557 adult patients received CELLCEPT during pivotal clinical trials in the prevention of acute organ rejection. Of these, 991 were included in the three renal studies, 277 were included in one hepatic study, and 289 were included in one cardiac study. Patients in all study arms also received cyclosporine and corticosteroids.

Pediatrics

The type and frequency of adverse events in a clinical study for prevention of kidney allograft rejection in 100 pediatric patients 3 months to 18 years of age dosed with CELLCEPT oral suspension 600 mg/m2 twice daily (up to 1 g twice daily) were generally similar to those observed in adult patients dosed with CELLCEPT capsules at a dose of 1 g twice daily with the exception of abdominal pain, fever, infection, pain, sepsis, diarrhea, vomiting, pharyngitis, respiratory tract infection, hypertension, leukopenia, and anemia, which were observed in a higher proportion in pediatric patients.

Safety information in pediatric heart transplant or pediatric liver transplant patients treated with CELLCEPT is supported by an open-label study in pediatric liver transplant patients and publications; the type and frequency of the reported adverse reactions are consistent with those observed in pediatric patients following renal transplant and in adults.



7 Drug Interactions

7.1 Effect of Other Drugs on CellCept

Table 7 Drug Interactions with CELLCEPT that Affect Mycophenolic Acid (MPA) Exposure

Additions and/or revisions underlined:

Examples: Cyclosporine A, trimethoprim/sulfamethoxazole, bile acid sequestrants (cholestyramine), rifampin as well as aminoglycoside, cephalosporin, fluoroquinolone and penicillin classes of antimicrobials

8 Use in Specific Populations

8.1 Pregnancy

Additions and/or revisions underlined:


Animal Data

In animal reproductive toxicology studies, there were increased rates of fetal resorptions and malformations in the absence of maternal toxicity. Oral administration of MMF to pregnant rats from Gestational Day 7 to Day 16 produced increased embryofetal lethality and fetal malformations including anophthalmia, agnathia, and hydrocephaly at doses equivalent to 0.015 and 0.01 times the recommended human doses for renal and cardiac transplant patients, respectively, when corrected for BSA. Oral administration of MMF to pregnant rabbits from Gestational Day 7 to Day 19 produced increased embryofetal lethality and fetal malformations included ectopia cordis, ectopic kidneys, diaphragmatic hernia, and umbilical hernia at dose equivalents as low as 0.05 and 0.03 times the recommended human doses for renal and cardiac transplant patients, respectively, when corrected for BSA.

8.3 Females and Males of Reproductive Potential

Additions and/or revisions underlined:

Male Patients
Genotoxic effects have been observed in animal studies at exposures exceeding the human therapeutic exposures by approximately 1.25 times. Thus, the risk of genotoxic effects on sperm cells cannot be excluded. Based on this potential risk, sexually active male patients and/or their female partners are recommended to use effective contraception during treatment of the male patient and for at least 90 days after cessation of treatment. Also, based on the potential risk of genotoxic effects, male patients should not donate sperm during treatment with CELLCEPT and for at least 90 days after cessation of treatment [see Use in Special Populations (8.1), Nonclinical Toxicology (13.1), Patient Counseling Information (17.9)].

8.4 Pediatric Use

Additions and/or revisions underlined:

Safety and effectiveness have been established in pediatric patients 3 months and older for the prophylaxis of organ rejection of allogenic kidney, heart or liver transplants.

Kidney Transplant

Use of CELLCEPT in this population is supported by evidence from adequate and well-controlled studies of CELLCEPT in adults with additional data from one open-label, pharmacokinetic and safety study of CELLCEPT in pediatric patients after receiving allogeneic kidney transplant (100 patients, 3 months to 18 years of age) [see Dosage and Administration (2.2), Adverse Reactions (6.1), Clinical Pharmacology (12.3), Clinical Studies (14.1)].

Heart Transplant and Liver Transplant

Use of CELLCEPT in pediatric heart transplant and liver transplant patients is supported by adequate and well- controlled studies and pharmacokinetic data in adult heart transplant and liver transplant patients. Additional supportive data include pharmacokinetic data in pediatric kidney transplant and pediatric liver transplant patients (8 liver transplant patients, 9 months to 5 years of age, in an open-label, pharmacokinetic and safety study) and published evidence of clinical efficacy and safety in pediatric heart transplant and pediatric liver transplant patients [see Dosage and Administration (2.3, 2.4), Adverse Reactions (6.1), Clinical Pharmacology (12.3), Clinical Studies (14.1)].

10/22/2021 (SUPPL-45)

Approved Drug Label (PDF)

5 Warnings and Precautions

5.3 Serious Infections

(Additions and/or revisions underlined)

Patients receiving immunosuppressants, including CELLCEPT, are at increased risk of developing bacterial, fungal, protozoal and new or reactivated viral infections, including opportunistic infections. The risk increases with the total immunosuppressive load. These infections may lead to serious outcomes, including hospitalizations and death [see Adverse Reactions (6.1, 6.2)].

Serious viral infections reported include:

  • Polyomavirus-associated nephropathy (PVAN), especially due to BK virus infection

  • JC virus-associated progressive multifocal leukoencephalopathy (PML), and

  • Cytomegalovirus (CMV) infections: CMV seronegative transplant patients who receive an organ from a CMV seropositive donor are at highest risk of CMV viremia and CMV disease.

  • Viral reactivation in patients infected with Hepatitis B and C

  • COVID-19

    Consider dose reduction or discontinuation of CELLCEPT in patients who develop new infections or reactivate viral infections, weighing the risk that reduced immunosuppression represents to the functioning allograft.

5.7 Acute Inflammatory Syndrome Associated with Mycophenolate Products

(Newly added information)

Acute inflammatory syndrome (AIS) has been reported with the use of MMF and mycophenolate products, and some cases have resulted in hospitalization. AIS is a paradoxical pro-inflammatory reaction characterized by fever, arthralgias, arthritis, muscle pain and elevated inflammatory markers including, C-reactive protein and erythrocyte sedimentation rate, without evidence of infection or underlying disease recurrence. Symptoms occur within weeks to months of initiation of treatment or a dose increase. After discontinuation, improvement of symptoms and inflammatory markers are usually observed within 24 to 48 hours.

Monitor patients for symptoms and laboratory parameters of AIS when starting treatment with mycophenolate products or when increasing the dosage. Discontinue treatment and consider other treatment alternatives based on the risk and benefit for the patient.

6 Adverse Reactions

(Newly added information)

The following adverse reactions are discussed in greater detail in other sections of the label:

  • Embryofetal Toxicity [see Warnings and Precautions (5.1)]

  • Lymphomas and Other Malignancies [see Warnings and Precautions 5.2)]

  • Serious Infections [see Warnings and Precautions (5.3)]

  • Blood Dyscrasias: Neutropenia, Pure Red Cell Aplasia [see Warnings and Precautions (5.4)]

  • Gastrointestinal Complications [see Warnings and Precautions (5.5)]

  • Acute Inflammatory Syndrome Associated with Mycophenolate Products [see Warnings and Precautions (5.7)]

17 PCI/PI/MG (Patient Counseling Information/Patient Information/Medication Guide)

Medication Guide

(Additions and/or revisions underlined)

Viral infections that can happen with CELLCEPT include:

o Shingles, other herpes infections, and cytomegalovirus (CMV). CMV can cause serious tissue and blood

infections.

o BK virus. BK virus can affect how your kidney works and cause your transplanted kidney to fail.

o Hepatitis B and C viruses. Hepatitis viruses can affect how your liver works. Talk to your doctor about how

hepatitis viruses may affect you.

o COVID-19

Especially tell your doctor if you take:

• birth control pills (oral contraceptives). See “What is the most important information I should know about

CELLCEPT?”

• sevelamer (Renagel, Renvela). These products should be taken at least 2 hours after taking CELLCEPT.

• acyclovir (Zovirax), valacyclovir (Valtrex), ganciclovir (CYTOVENE-IV, Vitrasert), valganciclovir (VALCYTE).

• rifampin (Rifater, Rifamate, Rimactane, Rifadin).

• Inflammatory reactions. Some people taking CELLCEPT may have an inflammatory reaction with fever, joint

stiffness, joint pain, and muscle pain. Some of these reactions may require hospitalization.This reaction could

happen within weeks to months after your treatment with CELLCEPT starts or if your dose is increased. Call your

doctor right away if you experience these symptoms.

The most common side effects of CELLCEPT include:

• fast heartbeat

• swelling of the lower legs, ankles and feet

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

PATIENT COUNSELING INFORMATION

Acute Inflammatory Syndrome

(Newly added subsection)

Inform patients that acute inflammatory reactions have been reported in some patients who received CELLCEPT. Some reactions were severe, requiring hospitalization. Advise patients to contact their physician if they develop fever, joint stiffness, joint pain or muscle pains [see Warnings and Precautions (5.7)].

12/13/2019 (SUPPL-40)

Approved Drug Label (PDF)

5 Warnings and Precautions

5.2 Lymphoma and Other Malignancies

(additions underlined)

For patients with increased risk for skin cancer, exposure to sunlight and UV light should be limited by wearing protective clothing and using a broad-spectrum sunscreen with a high protection factor.

5.7 Immunizations

(additions underlined)

During treatment with CELLCEPT, the use of live attenuated vaccines should be avoided (e.g., intranasal influenza, measles, mumps, rubella, oral polio, BCG, yellow fever, varicella, and TY21a typhoid vaccines) and patients should be advised that vaccinations may be less effective. Advise patients to discuss with the physician before seeking any immunizations.

17 PCI/PI/MG (Patient Counseling Information/Patient Information/Medication Guide)

MEDICATION GUIDE

(additions underlined)

What are the ingredients in CELLCEPT?

CELLCEPT Intravenous: polysorbate 80, and citric acid. Sodium hydroxide and hydrochloric acid may have been used in the manufacture of CELLCEPT Intravenous to adjust the pH.

PATIENT COUNSELING INFORMATION

17.2 Development of Lymphoma and Other Malignancies

(additions underlined)

  • Advise patients to limit exposure to sunlight and ultraviolet (UV) light by wearing protective clothing and use of broad-spectrum sunscreen with high protection factor.

 

02/27/2019 (SUPPL-38)

Approved Drug Label (PDF)

5 Warnings and Precautions

5.2 Lymphoma and Other Malignancies

Additions and/or revisions underlined:

… in controlled clinical trials of kidney, heart and liver transplant patients. The majority of PTLD cases appear to be related to Epstein Barr Virus (EBV) infection. The risk of PTLD appears greatest in those individuals who are EBV seronegative, a population which includes many young children. In pediatric …

Addition of the following two subsections:

5.12 Effect of Concomitant Medications on Mycophenolic Acid Concentrations

A variety of drugs have potential to alter systemic MPA exposure when co-administered with CELLCEPT. Therefore, determination of MPA concentrations in plasma before and after making any changes to immunosuppressive therapy, or when adding or discontinuing concomitant medications, may be appropriate to ensure MPA concentrations remain stable.

5.13 Potential Impairment of Ability to Drive of Operate Machinery

CELLCEPT may impact the ability to drive and use machines. Patients should avoid driving or using machines if they experience somnolence, confusion, dizziness, tremor, or hypotension during treatment with CELLCEPT.

6 Adverse Reactions

6.1 Clinical Trials Experiences

Newly added 2nd paragraph to subsection:

An estimated total of 1557 patients received CELLCEPT during pivotal clinical trials in the prevention of acute organ rejection. Of these, 991 were included in the three renal studies, 277 were included in one hepatic study, and 289 were included in one cardiac study. Patients in all study arms also received cyclosporine and corticosteroids.

CELLCEPT Oral

Additions and/or revisions underlined:

Post-transplant lymphoproliferative disease (PTLD, pseudolymphoma) developed in 0.4% … In pediatric patients, PTLD was observed in 1.35% (2/148) by 12 months post-transplant.

Cytopenias, including leukopenia, anemia, thrombocytopenia and pancytopenia are a known risk associated with mycophenolate and may lead or contribute to the occurrence of infections and hemorrhages. Severe neutropenia …

The most common opportunistic infections in patients receiving CELLCEPT with other immunosuppressants were mucocutaneous candida, CMV viremia/syndrome, and herpes simplex. The proportion of patients with CMV viremia/syndrome was 13.5% … approximately 2% of kidney and heart patients and in 5% of liver patients.

The most serious gastrointestinal disorders reported were ulceration and hemorrhage, which are known risks associated with CELLCEPT. Mouth, esophageal, gastric, duodenal, and intestinal ulcers often complicated by hemorrhage, as well as hematemesis, melena, and hemorrhagic forms of gastritis and colitis were commonly reported during the pivotal clinical trials, while the most common gastrointestinal disorders were diarrhea, nausea and vomiting. Endoscopic investigation of patients with CELLCEPT-related diarrhea revealed isolated cases of intestinal villous atrophy.

Table 4 Adverse Reactions in Controlled Studies of De Novo Kidney, Heart or Liver Transplantation Reported in 3% to <20% of Patients Treated with CELLCEPT in Combination with Cyclosporine and Corticosteroids Table data changed; please refer to label for complete information.

6.2 Postmarketing Experience

Additions and/or revisions underlined:

Cardiovascular: Venous thrombosis has been reported in patients treated with CELLCEPT administered intravenously.

Hematologic and Lymphatic: Bone marrow failure, cases of pure red cell aplasia (PRCA) …

Immune: Hypersensitivity, hypogammaglobinemia.

Infections: Bronchiectasis, interstitial lung disease

Vascular: Lymphocele

17 PCI/PI/MG (Patient Counseling Information/Patient Information/Medication Guide)

PATIENT COUNSELING INFORMATION

Newly added subsection:

17.10 Potential to Impair Driving and Use of Machinery

Advise patients that CELLCEPT can affect the ability to drive or operate machines. Patients should avoid driving or operating machines if they experience somnolence, confusion, dizziness, tremor or hypotension during treatment with CELLCEPT.

08/23/2018 (SUPPL-35)

Approved Drug Label (PDF)

Boxed Warning

(Additions and/or revisions are underlined)

  • Use during pregnancy is associated with increased risks of first trimester pregnancy loss and congenital malformations. Avoid if safer treatment options are available. Females of reproductive potential must be counseled regarding pregnancy prevention and planning.

  • Increased risk of development of lymphoma and other malignancies, particularly of the skin.

  • Increased susceptibility to bacterial, viral, fungal and protozoal infections, including opportunistic infections and viral reactivation of hepatitis B and C, which may lead to hospitalizations and fatal outcomes.

5 Warnings and Precautions

(Physicians Labeling Rule (PLR) Conversion; Newly Added Subsections; please refer to labeling)

5.1 Embryofetal Toxicity

5.2 Lymphoma and Other Malignancies

5.3 Serious Infections

5.4 Blood Dyscrasias: Neutropenia and Pure Red Cell Aplasia (PRCA)

5.5 Gastrointestinal Complications

5.6 Patients with Hypoxanthine-Guanine Phosphoribosyl-Transferase Deficiency (HGPRT)

5.7 Immunizations

5.8 Local Reactions with Rapid Intravenous Administration

5.9 Risks in Patients with Phenylketonuria

5.10 Semen Donation

6 Adverse Reactions

(Physicians Labeling Rule (PLR) Conversion; Newly Added Subsections; please refer to labeling)

The following adverse reactions are discussed in greater detail in other sections of the label:

      • Embryofetal Toxicity

      • Lymphomas and Other Malignancies

      • Serious Infections

      • Blood Dyscrasias: Neutropenia, Pure Red Cell Aplasia

      • Gastrointestinal Complications

6.1 Clinical Studies Experience

6.2 Postmarketing Experience

7 Drug Interactions

(Physicians Labeling Rule (PLR) Conversion; Newly Added Subsections; please refer to labeling)

7.1 Effect of Other Drugs on CELLCEPT

  • 7.2 Effect of CELLCEPT on Other Drugs

  • 8 Use in Specific Populations

      (Physicians Labeling Rule (PLR) Conversion; Newly Added Subsections; please refer to labeling)

      8.3 Females and Males of Reproductive Potential

      8.4 Pediatric Use

      8.5 Geriatric Use

      8.6 Patients with Renal Impairment

      8.7 Patients with Hepatic Impairment

    8.1 Pregnancy

    (Pregnancy and Lactation Labeling Rule (PLLR) Conversion; please refer to labeling)

    8.2 Lactation

    (Pregnancy and Lactation Labeling Rule (PLLR) Conversion; please refer to labeling)

    17 PCI/PI/MG (Patient Counseling Information/Patient Information/Medication Guide)

    17 PATIENT COUNSELING INFORMATION

    (Physicians Labeling Rule (PLR) Conversion; Newly Added Subsections; please refer to labeling)

    17.1 Embryofetal Toxicity

    17.2 Development of Lymphoma and Other Malignancies

    17.3 Increased Risk of Serious Infections

    17.4 Blood Dyscrasias

    17.5 Gastrointestinal Tract Complications

    17.6 Immunizations

    17.7 Administration Instructions

    17.8 Blood Donation

    17.9 Semen Donation