Jakinus

Prescription JAK Inhibitor

Tofacitinib Tablets

Manufacturer: Sun Pharma

Description

Jakinus is Sun Pharma's branded tofacitinib — an oral JAK1/JAK3 inhibitor used off-label in dermatology for alopecia areata, vitiligo, and refractory atopic dermatitis. Represents the new era of targeted small-molecule therapy in dermatology.

Active Compounds

No tracked compounds

Indications

  • Alopecia areata (moderate-to-severe)
  • Vitiligo (off-label)
  • Refractory atopic dermatitis (off-label)
  • Psoriatic arthritis

Dosage

5mg twice daily. Response in alopecia areata typically seen in 3–6 months.

Formulations

Film-coated tablet

Full Ingredient List

  • Tofacitinib Citrate
  • Microcrystalline Cellulose
  • Lactose Monohydrate
  • Croscarmellose Sodium
  • Magnesium Stearate
  • Hypromellose
  • Titanium Dioxide

Side Effects

  • Increased infection risk (including herpes zoster)
  • Elevated cholesterol
  • Cytopenias
  • GI perforation (rare)
  • Increased cardiovascular and malignancy risk (FDA warning)

Warnings

  • FDA black box warning for cardiovascular events, malignancy, and thrombosis
  • Screen for infections and tuberculosis before starting
  • Regular CBC, LFT, and lipid monitoring
  • Avoid live vaccines
  • Increased herpes zoster risk — consider vaccination

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