Healthcare Professional

JAKURA (Tofacitinib) is a targeted oral therapy for adults with active rheumatoid arthritis requiring advanced disease control. It helps regulate immune-driven inflammation and supports flexible use based on clinical evaluation.

Mechanism of Action (MoA)

Tofacitinib is a Janus kinase (JAK) inhibitor that modulates cytokine-mediated immune activation involved in RA inflammatory pathways by inhibiting intracellular signalling.

Indications

Indicated for treatment of adult patients with moderately to severely active rheumatoid arthritis with inadequate response or intolerance to methotrexate. May be used as monotherapy or with methotrexate/other nonbiologic DMARDs.

Available Strengths, Dosage & Administration

  • JAKURA 5 mg Tablets.
  • JAKURA 10 mg Tablets.
  • JAKURA-XR (Extended Release) Tablets.
  • JAKURA 5 mg Strip Pack.
  • Dosage Guidance: Refer to the Prescribing Information (PI) for detailed recommendations, including adjustments in renal or hepatic impairment.
  • Administration: Oral use; may be taken with or without food.

Pharmacokinetics (PK) -

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Absorption

Rapid absorption; peak concentration typically within hours.

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Distribution

Moderate protein binding.

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Metabolism

Primarily via CYP3A4 (and CYP2C19 contribution noted).

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Elimination

Via hepatic metabolism and renal excretion pathways.

ADR (Adverse Drug Reactions)

Most frequently reported ADRs include:

  • Infections (e.g., nasopharyngitis/URTI).
  • Headache.
  • Gastrointestinal symptoms.
  • Other ADRs include laboratory abnormalities and lipid changes.

Drug Interactions

  • Dose modification may be required with strong CYP3A4 inhibitors (and combined moderate CYP3A4 + strong CYP2C19 inhibitors).
  • Co-administration with strong CYP inducers may reduce exposure; PI guidance to be followed.

Contraindications / Safety Profile

Contraindication

  • Hypersensitivity to tofacitinib or excipients.

Key Safety Risks

  • Serious infections including opportunistic infections; TB screening prior to initiation.
  • Viral reactivation (e.g., herpes zoster).
  • Malignancies including lymphoma.
  • MACE (Major Adverse Cardiovascular Event) risk.
  • Thrombosis risk (DVT/PE).
  • Lab monitoring: CBC, LFTs, lipids per PI.

Disclaimer

Prescription-only medicine. Take JAKURA. Only if prescribed by your doctor. This website provides general information and does not replace advice from a qualified healthcare professional.