Trade Name(s)

  • Klisyri

Ther. Class.

actinic ketatosis agents

Pharm. Class.



Actinic keratosis on face or scalp.


Acts as a microtubule inhibitor; however, mechanism for effect in actinic keratosis is unknown.

Therapeutic Effect(s):

Reduction of actinic keratosis lesions.


Absorption: Negligible systemic absorption following topical use.

Distribution: Unknown.

Metabolism and Excretion: Primarily metabolized in liver via CYP3A4 isoenzyme, and to a lesser extent by CYP2C8 isoenzyme.

Half-life: Unknown.

TIME/ACTION PROFILE (plasma concentrations)

Topunknown7 hrunknown


Contraindicated in:

  • None.

Use Cautiously in:

  • OB:   Safety not established in pregnancy
  • Lactation:  Safety not established in breastfeeding
  • Pedi:   Safety and effectiveness not established in children.

Adverse Reactions/Side Effects

Derm: crusting, erosion/ulceration, erythema, flaking/scaling, swelling, vesiculation/pustulation

* CAPITALS indicate life-threatening.
Underline indicate most frequent.



None reported.


Topical (Adults): Apply sufficient amount of ointment to affected area (within a 25 cm2  contiguous area) once daily for 5 consecutive days.


Ointment: 1%


  • Assess actinic keratosis lesions before starting and periodically during therapy.


  • Topical 

    Apply sufficient amount of ointment to evenly cover up lesions on the face or scalp once daily for 5 consecutive days using 1 single-dose packet per application. Avoid application near and around the mouth and lips. Wash hands immediately with soap and water after application. Avoid washing and touching the treated area for about 8 hrs after application. After this time, area may be washed with a mild soap. Avoid transfer of ointment to the periocular area.

    • Do not apply an occlusive dressing; may cause irritation.

Patient/Family Teaching

  • Instruct patient to apply ointment as directed.
  • Advise patient to notify health care professional if local skin reactions (redness, flaking, scaling, crusting, swelling that is more severe) or if blisters, peeling, pus, ulcers, or breakdown of skin occurs.
  • Advise patient to notify health care professional of all Rx or OTC medications, vitamins, or herbal products being taken and to consult with health care professional before taking other medications.
  • Advise females of reproductive potential to notify health care professional if pregnancy is planned or suspected or if breastfeeding.

Evaluation/Desired Outcomes

Reduction of actinic keratosis lesions.