Zokinvy (Lonafarnib): Uses, Side Effects and Dosage

What is ZOKINVY?

ZOKINVY is a prescription medicine used to:

• lower the risk of death in adults and children 12 months of age or older with Hutchinson-Gilford Progeria Syndrome (HGPS), who have a certain body surface area.
• treat adults and children 12 months of age or older with certain types of Progeroid Laminopathies, who have a certain body surface area.

ZOKINVY is not for use in people with non-HGPS Progeroid Syndromes or with Progeroid Laminopathies that are processing-proficient.

It is not known if ZOKINVY is safe and effective in children under 12 months of age.

Do not take ZOKINVY if you are taking:

• a strong CYP3A inhibitor
• a strong or moderate CYP3A inducer
• midazolam
• lovastatin, simvastatin, or atorvastatin

Ask your healthcare provider if you are not sure if your medicine may be one that is listed above.

Before taking ZOKINVY, tell your healthcare provider about all of your medical conditions, including if you:

• have a history of QTc interval prolongation or other abnormal heartbeat.
• have slow heartbeat.
• have low magnesium levels or low potassium levels.
• have kidney problems.
• have eye problems.

• are pregnant or plan to become pregnant. ZOKINVY can harm your unborn baby. Females who are able to become pregnant should use effective birth control (contraception) during treatment with ZOKINVY.

• are breastfeeding or plan to breastfeed. It is not known if ZOKINVY can pass into your breast milk. Talk to your healthcare provider about the best way to feed your baby during treatment with ZOKINVY.

Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. Taking ZOKINVY with certain other medicines may affect how the other medicines work and other medicines may affect how ZOKINVY works, and may increase your risk of side effects, including a heart rhythm problem called QTc interval prolongation. Especially tell your healthcare provider if you take any other medicines that may cause QTc interval prolongation.

Know the medicines you take. Keep a list of them with you to show your healthcare provider and pharmacist when starting a new medicine.

How should I take ZOKINVY?

• Take ZOKINVY exactly as your healthcare provider tells you to.
• Do not stop taking ZOKINVY without talking to your healthcare provider. Your healthcare provider may change your dose of ZOKINVY if needed.
• Your healthcare provider will prescribe your dose of ZOKINVY based on your body size (height and weight).
• Take ZOKINVY 2 times a day with morning and evening meals.
• Swallow ZOKINVY capsules whole with an adequate amount of water. Do not chew ZOKINVY capsules.
• If you or your child cannot swallow the ZOKINVY capsule whole, see the detailed Instructions for Use that comes with ZOKINVY for information about how to prepare and give or take a dose of ZOKINVY by mixing the contents of a ZOKINVY capsule with either Ora Blend SF, Ora-Plus, orange juice, or applesauce.
• Each dose of ZOKINVY mixture must be prepared fresh and taken within about 10 minutes of mixing.
• Do not take ZOKINVY with any juice that contains grapefruit or Seville oranges. Seville oranges may also be called bitter or sour oranges.
• If you miss a dose of ZOKINVY, take it as soon as possible up to 8 hours before your next scheduled dose with food. If it is less than 8 hours before your next dose of ZOKINVY, skip the missed dose and take ZOKINVY at your next regularly scheduled dose.

What are the possible side effects of ZOKINVY?

ZOKINVY may cause serious side effects, including:

• A serious heart rhythm problem called QTc Interval Prolongation. This condition can cause an abnormal heartbeat in people who take ZOKINVY and may lead to death. Your healthcare provider should check your heart and do blood tests before and during treatment with ZOKINVY. Tell your healthcare provider right away if you feel dizzy, lightheaded, faint, or have a change in your heartbeat (a fast or irregular heartbeat).
• Severe kidney problems. ZOKINVY may cause severe kidney problems. Your healthcare provider will monitor your kidney function regularly during treatment with ZOKINVY.
• Eye problems. ZOVINKY may cause problems with night vision. Call your healthcare provider right away if you develop any new changes in your vision.

The most common side effects of ZOKINVY include:

• vomiting
• diarrhea
• infection
• nausea
• decreased appetite
• tiredness
• upper respiratory tract infection
• stomach-area (abdominal) pain
• muscle and joint (musculoskeletal) pain

• electrolyte abnormalities
• decreased weight
• headache
• myelosuppression
• increased liver enzyme blood test results
• decreased blood bicarbonate
• cough
• hypertension

Call your healthcare provider if you continue to have nausea, vomiting or diarrhea that leads to loss of appetite and weight loss during your treatment with ZOKINVY.

ZOKINVY may cause an increase in your blood pressure (hypertension). Your healthcare provider will check your blood pressure during treatment with ZOKINVY. Call your healthcare provider right away if you develop any symptoms of high blood pressure including headaches, shortness of breath, nosebleeds, flushing, tiredness, dizziness, vision problems, irregular heartbeat, or chest pain.

ZOKINVY may cause fertility problems in females and males, which may affect your ability to have children. Talk to your healthcare provider if you have concerns about fertility.

These are not all of the possible side effects of ZOKINVY.

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may also report side effects to Sentynl Therapeutics, Inc. at 1-888-507-5206 or zokinvysafety@sentynl.com.

How should I store ZOKINVY?

• Store at room temperature between 68°F to 77°F (20°C to 25°C).

Keep ZOKINVY and all medicines out of reach of children.

General information about the safe and effective use of ZOKINVY

Medicines are sometimes prescribed for purposes other than those listed in the Patient Information. Do not use ZOKINVY for a condition for which it was not prescribed. Do not give ZOKINVY to other people, even if they have the same symptoms that you have. It may harm them. You can ask your healthcare provider or pharmacist for information about ZOKINVY that is written for health professionals.

What are the ingredients in ZOKINVY?

Active ingredient: lonafarnib.

Inactive ingredients: croscarmellose sodium, magnesium stearate, poloxamer 188, povidone, and silicon dioxide.

The capsule shell (ZOKINVY 50 mg hard capsule) contains: gelatin, titanium dioxide and yellow iron oxide.

The capsule shell (ZOKINVY 75 mg hard capsule) contains: gelatin, titanium dioxide, yellow iron oxide and red iron oxide.

The printing ink contains: ammonia solution, black iron oxide, butyl alcohol, dehydrated alcohol, isopropyl alcohol, potassium hydroxide, propylene glycol, purified water, and shellac.

Manufactured for: Sentynl Therapeutics, Inc., Solana Beach, CA 92075

©2024 Sentynl Therapeutics, Inc.

For more information call Sentynl Therapeutics at 1-888-251-2800 or visit www.zokinvy.com or www.sentynl.com

INSTRUCTIONS FOR USE

ZOKINVY® (ZO-kinvy) (lonafarnib)

capsules, for oral use

This Instructions for Use contains information on how to mix and give or take a dose of ZOKINVY if the capsules cannot be swallowed whole.

Read this Instructions for Use before you start giving or taking ZOKINVY and each time you get a refill. There may be new information. This information does not take the place of talking to your healthcare provider about you or your child's medical condition or treatment

Supplies needed to prepare and give or take a dose of ZOKINVY

Before mixing a dose of ZOKINVY, gather the following supplies:

• the prescribed number of ZOKINVY capsules for you or your child's dose. Place the capsule or capsules on a clean flat surface.
• either Ora-Blend SF, Ora-Plus, orange juice or applesauce for mixing. Do not mix with juice that contains grapefruit or Seville oranges. Seville oranges may also be called bitter or sour oranges.
• if mixing with Ora-Blend SF, Ora-Plus or orange juice: a clean medicine cup with 5 milliliter (mL) and 10 mL measurement levels, OR if mixing with applesauce: a clean teaspoon.
• clean cup(s) for each ZOKINVY capsule to be mixed.
• a clean spoon for stirring the mixture.

How to open ZOKINVY capsules and mix the capsule contents

Step 1:

If mixing with Ora-Blend SF, Ora-Plus or orange juice: Use a clean medicine cup to measure either 5 mL or 10 mL of Ora-Blend SF, Ora-Plus or orange juice.

If mixing with applesauce: measure either 1 or 2 teaspoonfuls of applesauce.

You can choose to use 5 mL or 10 mL of liquid or 1 or 2 teaspoonfuls of applesauce (See Figure A).

Step 2:

Place the Ora-Blend SF, Ora-Plus, orange juice or applesauce measured in Step 1 into a clean cup (See Figure B).

Step 3:

Hold a ZOKINVY capsule above the clean cup containing the liquid or applesauce. Hold the ZOKINVY capsule on both sides between your thumb and forefinger. Gently twist and pull apart the capsule (See Figure C). Empty the contents of the capsule directly into the clean cup (See Figure D).

Step 4:

Using a clean spoon, mix the ZOKINVY capsule contents well (See Figure E). If only 1 capsule is to be taken, skip to Step 6. If 2 capsules are to be taken, go to Step 5.

Step 5:

If 2 capsules will be taken, repeat Steps 1 through 4 for the second capsule. After completing the mixing process for the second capsule, the 2 servings can either be placed together in a single cup or remain in 2 serving cups for you or your child to take the full dose of ZOKINVY. After you finish, go to Step 6.

Step 6:

Give or take all of the ZOKINVY mixture with morning and evening meals within about 10 minutes of preparing.

How should I store ZOKINVY?

• Store at room temperature between 68°F to 77°F (20°C to 25°C)

Keep ZOKINVY and all medicines out of reach of children.

This Instructions for Use has been approved by the U.S. Food and Drug Administration. Manufactured for:

Sentynl Therapeutics, Inc.,

420 Stevens Ave., Suite 200

Solana Beach, CA 92075

©2024 Sentynl Therapeutics, Inc.

Revised: 7/2025