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Drug Safety-related Labeling Changes (SrLC)

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KINERET (BLA-103950)

(ANAKINRA)

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

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10/27/2025 (SUPPL-5197)

Approved Drug Label (PDF)

5 Warnings and Precautions

5.5 Amyloidosis

Newly added subsection:

Post-marketing cases of injection site amyloid deposits [see Postmarketing Experience (6.4)] have been reported in NOMID patients after receiving high doses of Kineret injected subcutaneously into the same area of skin over long periods of time. Systemic AIL1RAP (IL-1 receptor antagonist protein) amyloidosis occurred in some of these patients with injection site amyloid deposits; these patients presented with proteinuria. Recommend patients to rotate their injection sites. In patients with confirmed injection site amyloid deposits, monitor proteinuria for systemic amyloidosis.

6 Adverse Reactions

6.4 Postmarketing Experience

Addition of the following to the bulleted line listing:

  • injection site amyloid deposits [see Warnings & Precautions (5.5)]

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

PATIENT COUNSELING INFORMATION

Additions and/or revisions underlined:

Injection-site reactions: Physicians should explain to patients that almost a quarter of patients in the clinical trial experienced a reaction at the injection site. Injection-site reactions may include pain, erythema, swelling, prurities, bruising, mass, inflammation, dermatitis, edema, urticaria, vesicles, warmth, and hemorrhage. Inform patients or their caregivers that the prefilled syringe should be removed from refrigeration and left at room temperature for 30 minutes before injecting. Patients should be advised to rotate the injection site and to avoid injecting into an area that is already swollen or red. Any persistent reaction should be brought to the attention of the prescribing physician.

MEDICATION GUIDE

Additions and/or revisions underlined:

What are the possible side effects of KINERET?

KINERET may cause serious side effects, including:

  • decreased ability of your body to fight infections (immunosuppression). It is not known if treatment with medicines that cause immunosuppression, like KINERET, affect your risk of getting cancer.

  • amyloidosis. Change (rotate) injection sites within the area you chose with each dose to reduce your risk of

    getting injection site amyloid deposits (a hard lump under the skin). If you develop amyloid deposits, your healthcare provider should monitor for symptoms and signs of systemic amyloidosis such as protein in urine.

    • Do not use the exact same spot for each injection.

    • Do not inject into abnormal skin (e.g., skin that is bruised, red, scaly, pitted, scarred, hard, thickened, lumpy, damaged, tender or a stretch mark).

09/19/2024 (SUPPL-5198)

Approved Drug Label (PDF)

5 Warnings and Precautions

5.3 Hypersensitivity Reactions

Newly added information:

Serious cutaneous reactions, including Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS), have been reported in patients with autoinflammatory conditions treated with KINERET. If a severe hypersensitivity reaction occurs, immediately discontinue KINERET; treat promptly and monitor until signs and symptoms resolve.

6 Adverse Reactions

6.4 Postmarketing Experience

Additions and revisions underlined:

The following adverse reactions have been identified during postapproval use of KINERET. 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.

Hepato-biliary disorders:

      • elevations of transaminases,

      • non-infectious hepatitis Hematologic events:

      • thrombocytopenia, including severe thrombocytopenia (i.e platelet counts <10x109/L) Skin and subcutaneous tissue disorders:

      • Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS) [see Warnings & Precautions (5.3)]

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

PATIENT COUNSELING INFORMATION

Additions and revisions underlined:

. . .

Hypersensitivity reactions: Inform patients that serious allergic and skin reactions have been reported with KINERET. Advise patients to stop taking KINERET and seek immediate medical attention if they experience any symptoms suggesting allergic reactions (including rash, hives, and swelling of the face, lips, tongue, and throat that may cause difficulty in breathing or swallowing).

. . .

12/18/2020 (SUPPL-5189)

Approved Drug Label (PDF)

5 Warnings and Precautions

5.1 Serious Infections

(Additions and/or revisions underlined)

KINERET has been associated with an increased incidence of serious infections (2%) vs. Placebo (< 1%) in clinical trials in RA.  Administration of KINERET in RA should be discontinued if a patient develops a serious infection.  In KINERET treated NOMID and DIRA patients the risk of a disease flare when discontinuing KINERET treatment should be weighed against the potential risk of continued treatment. Treatment with KINERET should not be initiated in patients with active infections. The safety and efficacy of KINERET in immunosuppressed patients or in patients with chronic infections have not been evaluated.

Drugs that affect the immune system by blocking tumor necrosis factor (TNF) have been associated with an increased risk of reactivation of latent tuberculosis (TB). It is possible that taking drugs such as KINERET that blocks IL-1 increases the risk of TB or other atypical or opportunistic infections. Health care providers should follow current CDC guidelines both to evaluate for and to treat possible latent tuberculosis infections before initiating therapy with KINERET.

5.3 Hypersensitivity Reactions

(Additions and/or revisions underlined)

Hypersensitivity reactions, including anaphylactic reactions and angioedema, have been reported with KINERET.  If a severe hypersensitivity reaction occurs, administration of KINERET should be discontinued and appropriate therapy initiated.

KINERET is the recombinant form of IL-1Ra that DIRA patients are lacking. Patients with DIRA may have an increased risk of allergic reactions, particularly in the first several weeks after starting KINERET treatment. Patients should be closely monitored during this time period. If a severe allergic reaction occurs, appropriate treatment should be initiated and discontinuation of KINERET should be considered.

6 Adverse Reactions

6.3 Clinical Study Experience in DIRA

(Newly added subsection)

The safety data described in this section reflect exposure to KINERET in 9 patients with DIRA treated for up to 10 years in a natural history study (study 17-I- 0016). Most patients received a starting dose of 1 to 2 mg/kg/day and thereafter doses were individually adjusted to reach a stable efficacious dose. The highest dose given was 7.5 mg/kg/day. Overall, the safety profile observed in patients with DIRA treated with KINERET was consistent with the safety profile in NOMID patients.

There were 16 serious adverse events (SAEs) reported in 4 out of 9 treated patients. The most common type of SAEs reported (5 events in 2 patients) were infections [see Warnings and Precautions (5.1)].

The most common adverse events in patients with DIRA were upper respiratory tract infections, rash, pyrexia, influenza like illness and gastroenteritis. There were no permanent discontinuations of KINERET treatment due to AEs.

Infections

There were 16 infections in 5 patients (reporting rate: 0.28 infections / patient year). The most common infections were upper respiratory tract infections, cellulitis and gastroenteritis.

Hypersensitivity Reactions

One patient with DIRA had a serious event of urticaria on day 10 of KINERET treatment [see Warnings and Precautions (5.3)].

Injection site reactions

There was one report of injection site pain, which did not cause discontinuation of KINERET treatment.

8 Use in Specific Populations

8.4 Pediatric Use

(Additions and/or revisions underlined)

Neonatal-Onset Multisystem Inflammatory Disease (NOMID)

The NOMID study included 36 pediatric patients: 13 below 2 years, 18 between 2 and 11 years, and 5 between 12 and 17 years of age.  A subcutaneous KINERET starting dose of 1–2 mg/kg/day was administered in all age groups. An average maintenance dose of 3–4 mg/kg/day was adequate to maintain clinical response throughout the study irrespective of age but a higher dose was, on occasion, required in severely affected patients. The prefilled syringe does not allow doses lower than 20 mg to be administered.

Deficiency of Interleukin-1 Receptor Antagonist (DIRA)

The study in DIRA patients included 9 pediatric patients (ages 1 month to 9 years at start of KINERET treatment). Most patients received a starting dose of 1 to 2 mg/kg/day. Doses up to 7.5 mg/kg/day were given. The prefilled syringe does not allow doses lower than 20 mg to be administered.

Juvenile Rheumatoid Arthritis (JRA)

The safety and effectiveness of KINERET in the treatment of pediatric patients with Juvenile Rheumatoid Arthritis (JRA) have not been established. KINERET was studied in a single randomized, blinded multi-center trial in 86 patients with polyarticular course JRA; ages 2-17 years receiving a dose of 1 mg/kg subcutaneously daily, up to a maximum dose of 100 mg.  The 50 patients who achieved a clinical response after a 12-week open-label run-in were randomized to KINERET (25 patients) or placebo (25 patients), administered daily for an additional 16 weeks.  A subset of these patients continued open-label treatment with KINERET for up to 1 year in a companion extension study.  An adverse event profile similar to that seen in adult RA patients was observed in these studies. These study data are insufficient to demonstrate efficacy and, therefore, KINERET is not recommended for pediatric use in JRA.

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

PATIENT COUNSELING INFORMATION

(Additions and/or revisions underlined)

Advise the patient to read the FDA-approved patient labeling (Patient Information and Instructions for Use).

Instruct patients and their caregivers on the proper dosage and administration of KINERET and provide all patients with the “Patient information and Instructions for Use” insert. While this Patient Information and Instructions for Use provides information about the product and its use, it is not intended to take the place of regular discussions between the patient and healthcare provider. The ability to inject subcutaneously should be assessed to ensure proper administration of KINERET. Thoroughly instruct patients and their caregivers on the importance of proper disposal and caution against the reuse of needles, syringes, and drug product. A puncture- resistant container for the disposal of used syringes should be available to the patient. The full container should be disposed of according to the directions provided by the healthcare provider.

Infections: Inform patients that KINERET may lower the ability of their immune system to fight infections. Advise patients of the importance of contacting their doctor if they develop any symptoms of infection.

Injection-site reactions: Physicians should explain to patients that almost a quarter of patients in the clinical trial experienced a reaction at the injection site.

Injection-site reactions may include pain, erythema, swelling, prurities, bruising, mass, inflammation, dermatitis, edema, urticaria, vesicles, warmth, and hemorrhage. Inform patients or their caregivers that the prefilled syringe should be removed from refrigeration and left at room temperature for 30 minutes before injecting. Patients should be cautioned to avoid injecting into an area that is already swollen or red.  Any persistent reaction should be brought to the attention of the prescribing physician.

Allergic or other drug reactions: Inform patients about the signs and symptoms of allergic and other adverse drug reactions and the appropriate actions they should take if they experience any of these signs and symptoms.  Inform patients with DIRA and their caregivers, that DIRA patients may have an increased risk of allergic reactions, particularly in the first several weeks of treatment and they should be monitored closely.

PATIENT INFORMATION

(Extensive changes; please refer to label)

05/19/2016 (SUPPL-5175)

Approved Drug Label (PDF)

6 Adverse Reactions

Clinical Studies Experience in RA

Lipids

  • Cholesterol elevations were observed in some patients treated with Kineret.
Postmarketing Experience

Hematologic events:

  • thrombocytopenia, including severe thrombocytopenia (i.e platelet counts <10x109/L)