Palforzia Level 8 Capsules

Manufacturer GREER LABORATORIES Active Ingredient Peanut Allergen Powder(pee nut AL er jen pow der) Pronunciation PAL-for-zee-uh (Peanut AL-er-jen POW-der)
WARNING: Allergic reactions have happened with this drug. Rarely, some reactions can be very bad or life-threatening. Talk with the doctor.The first dose and all dose increases will be given in a doctor's office or other healthcare setting.Your doctor will give you another drug (epinephrine) to use in case of an allergic reaction. Someone else may have to give you the shot. Be sure you and other people who may need to give the shot know how and when to use it. Certain drugs may make epinephrine not work as well or raise the chance of side effects. This includes some drugs used to treat depression, heart problems, or high blood pressure. There are many drugs that interact with epinephrine. Talk with your doctor or pharmacist to make sure it is safe to take epinephrine with all of your drugs.Do not take this drug if you have very bad asthma or asthma that is not controlled. @ COMMON USES: It is used to help with allergies caused by peanuts. This drug is not for use to treat an allergic reaction.
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Drug Class
Allergen immunotherapy
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Pharmacologic Class
Peanut allergen extract
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Pregnancy Category
Not available
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FDA Approved
Jan 2020
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DEA Schedule
Not Controlled

Overview

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What is this medicine?

Palforzia is a medicine used to help reduce the severity of allergic reactions, including anaphylaxis, that may happen if you accidentally eat peanuts. It's not a cure for peanut allergy, and you still need to avoid peanuts and carry an epinephrine auto-injector.
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How to Use This Medicine

Taking Your Medication Correctly

To ensure you get the most benefit from your medication, follow these steps:

1. Follow Your Doctor's Orders: Take this medication exactly as directed by your doctor. Read all the information provided with your medication and follow the instructions carefully.
2. Take with Food: Take your medication with a meal to help your body absorb it properly.
3. Establish a Routine: Take your medication at the same time every day. It is recommended to take it in the evening.
4. Preparing Your Dose: Do not swallow the capsules or inhale the powder. Instead, open the capsule or sachet and mix the contents with a few spoonfuls of soft food, such as applesauce, yogurt, or pudding. Mix well to ensure the medication is evenly distributed.
5. Important Mixing Instructions: Do not mix the medication with liquids. After mixing with food, take your dose immediately. Do not store the mixture for future use.
6. Continuing Your Medication: Continue taking your medication as directed by your doctor or healthcare provider, even if you start feeling well.
7. Disposing of Leftover Medication: Throw away any leftover medication after taking your dose.
8. Hand Hygiene: Wash your hands after handling the medication.
9. Special Instructions for Doctor's Visits: If you are visiting your doctor for a dose increase, do not take your medication on that day.

Storing and Disposing of Your Medication

Store your medication in a refrigerator or at room temperature.
If you miss a dose, call your doctor to find out what to do.
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Lifestyle & Tips

  • Continue strict peanut avoidance in your diet.
  • Always carry at least two epinephrine auto-injectors and know how to use them.
  • Wear medical alert identification.
  • Inform all healthcare providers, including dentists, about your treatment.
  • Maintain good control of any underlying asthma.
  • Do not take Palforzia if you are sick with a fever, vomiting, or uncontrolled asthma.

Dosing & Administration

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Adult Dosing

Standard Dose: Not indicated for initial treatment in adults. Patients aged 4-17 years who complete up-dosing may continue maintenance dosing into adulthood.
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Pediatric Dosing

Neonatal: Not established
Infant: Not established
Child: Initial Dose Escalation (IDE): Administered on a single day in a healthcare setting. Consists of 5 doses (0.5 mg, 1 mg, 2 mg, 3 mg, 6 mg) over several hours. Up-Dosing: 11 increasing dose levels (3 mg to 300 mg). Each level is taken daily for 2 weeks before advancing to the next level. The first dose of each up-dosing level must be administered in a healthcare setting. Maintenance: 300 mg daily. Patients must be 4 to 17 years of age for initial treatment.
Adolescent: Initial Dose Escalation (IDE): Administered on a single day in a healthcare setting. Consists of 5 doses (0.5 mg, 1 mg, 2 mg, 3 mg, 6 mg) over several hours. Up-Dosing: 11 increasing dose levels (3 mg to 300 mg). Each level is taken daily for 2 weeks before advancing to the next level. The first dose of each up-dosing level must be administered in a healthcare setting. Maintenance: 300 mg daily. Patients must be 4 to 17 years of age for initial treatment.
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Dose Adjustments

Renal Impairment:

Mild: No specific adjustment recommended.
Moderate: No specific adjustment recommended.
Severe: No specific adjustment recommended.
Dialysis: No specific considerations.

Hepatic Impairment:

Mild: No specific adjustment recommended.
Moderate: No specific adjustment recommended.
Severe: No specific adjustment recommended.

Pharmacology

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Mechanism of Action

Palforzia is an oral immunotherapy that works by desensitizing patients to peanut allergens. It is believed to induce a systemic immunomodulatory effect, shifting the immune response from a Th2-mediated allergic reaction towards a more tolerant Th1-mediated response, and potentially inducing regulatory T cells (Tregs). This leads to an increased threshold for eliciting an allergic reaction to peanut.
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Pharmacokinetics

Absorption:

Bioavailability: Not applicable (not absorbed systemically in a quantifiable manner for therapeutic effect)
Tmax: Not applicable
FoodEffect: Administered with food to minimize gastrointestinal symptoms and facilitate absorption through the gut-associated lymphoid tissue.

Distribution:

Vd: Not applicable
ProteinBinding: Not applicable
CnssPenetration: No

Elimination:

HalfLife: Not applicable
Clearance: Not applicable
ExcretionRoute: Not applicable
Unchanged: Not applicable
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Pharmacodynamics

OnsetOfAction: Gradual, over several months of treatment (up-dosing phase).
PeakEffect: Achieved after reaching and maintaining the 300 mg daily dose, typically after 6-12 months of treatment.
DurationOfAction: Sustained with continued daily maintenance dosing. Efficacy may wane if treatment is discontinued.
Confidence: Medium

Safety & Warnings

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BLACK BOX WARNING

RISK OF ANAPHYLAXIS: PALFORZIA can cause anaphylaxis, which may be life-threatening. Reactions may include anaphylaxis, asthma exacerbation, and allergic reactions. PALFORZIA is available only through a restricted program called the PALFORZIA REMS. PALFORZIA must be administered in a healthcare setting equipped to manage anaphylaxis, and patients must be observed for at least 60 minutes following each dose during Initial Dose Escalation and the first dose of each Up-Dosing level. Patients must have epinephrine auto-injectors available for immediate use at all times.
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Side Effects

Urgent Side Effects: Seek Medical Help Right Away

Although rare, some people may experience severe and potentially life-threatening side effects while taking this medication. If you or your child experience any of the following symptoms, contact your doctor or seek medical attention immediately:

Signs of an allergic reaction, such as:
+ Rash
+ Hives
+ Itching
+ Red, swollen, blistered, or peeling skin with or without fever
+ Wheezing
+ Tightness in the chest or throat
+ Trouble breathing, swallowing, or talking
+ Unusual hoarseness
+ Swelling of the mouth, face, lips, tongue, or throat
Trouble swallowing or speaking
Pain when swallowing
Heartburn
Chest pain or pressure
Fast heartbeat
Passing out
Dizziness
Flushing
Shortness of breath
Severe diarrhea
Stomach cramps

In children, watch for:
Unusual crying
Feeling sluggish or extremely sleepy
Pulling legs up to the stomach

Other Possible Side Effects

Like all medications, this drug can cause side effects. While many people may not experience any side effects or only have mild ones, it's essential to discuss any concerns with your doctor. If you or your child experience any of the following side effects, contact your doctor if they bother you or do not go away:

Diarrhea
Stomach pain
Upset stomach
Vomiting
Itching in the ear, mouth, or tongue
Numbness or tingling in the mouth
Throat irritation
Cough
Runny or stuffy nose
* Sneezing

This is not an exhaustive list of possible side effects. If you have questions or concerns, contact your doctor. You can also report side effects to the FDA at 1-800-332-1088 or online at https://www.fda.gov/medwatch.
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Seek Immediate Medical Attention If You Experience:

  • Difficulty breathing, wheezing, shortness of breath
  • Swelling of the face, lips, tongue, or throat
  • Hives, itching, skin rash
  • Dizziness, lightheadedness, fainting
  • Rapid heart rate
  • Severe stomach pain, vomiting, diarrhea
  • Feeling of impending doom
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Before Using This Medicine

Before Taking This Medication: Important Information to Share with Your Doctor

It is essential to inform your doctor about the following:

Any allergies you have, including allergies to this medication, its components, or other substances, such as foods or drugs. Be sure to describe the allergic reaction and its symptoms.
A history of life-threatening reactions to peanuts.
Previous severe allergic reactions.
Eosinophilic esophagitis or other eosinophilic stomach or bowel diseases.
* Heart problems, lung problems, or mast cell disorders.

This list is not exhaustive, and it is crucial to discuss all your medications (prescription, over-the-counter, natural products, and vitamins) and health issues with your doctor and pharmacist. They will help determine if it is safe to take this medication with your existing health conditions and other drugs. Never start, stop, or adjust the dosage of any medication without first consulting your doctor.
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Precautions & Cautions

It is essential to inform all your healthcare providers, including doctors, nurses, pharmacists, and dentists, that you are taking this medication. Adhere to the diet plan recommended by your doctor and continue to avoid peanuts as previously instructed. Certain factors may increase your risk of an allergic reaction, so discuss the following with your doctor: alcohol consumption, illness such as a viral infection, fasting, fatigue or sleep deprivation, menstrual period, or use of nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen or naproxen.

To minimize potential risks, avoid taking this medication within 3 hours before or after exercising or taking a hot shower or bath. If you have exercised or taken a hot shower or bath and experience symptoms such as feeling hot, sweating, or rapid breathing or heartbeat, wait until these symptoms resolve before taking the medication.

If you have asthma and experience difficulty breathing or a worsening of your asthma symptoms, contact your doctor immediately. Additionally, if you are pregnant, plan to become pregnant, or are breast-feeding, consult your doctor to discuss the potential benefits and risks of this medication to both you and your baby.
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Overdose Information

Overdose Symptoms:

  • Severe allergic reaction (anaphylaxis) symptoms, potentially more severe or prolonged than usual.

What to Do:

Administer epinephrine immediately. Call 911 or seek emergency medical attention. Do not attempt to treat at home. Call 1-800-222-1222 (Poison Control) for additional guidance.

Drug Interactions

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Major Interactions

  • Beta-blockers (may exacerbate anaphylaxis or interfere with epinephrine's effectiveness)
  • Angiotensin-converting enzyme (ACE) inhibitors (may increase risk of angioedema)
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Moderate Interactions

  • Antihistamines (may mask early symptoms of an allergic reaction)
  • Tricyclic antidepressants (TCAs) (may potentiate cardiovascular effects of epinephrine)

Monitoring

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Baseline Monitoring

Diagnosis of peanut allergy

Rationale: Confirm eligibility for treatment.

Timing: Prior to initiation of Palforzia.

Asthma control assessment

Rationale: Poorly controlled asthma is a risk factor for severe anaphylaxis. Asthma must be well-controlled prior to and during treatment.

Timing: Prior to initiation and regularly during treatment.

Epinephrine auto-injector prescription

Rationale: Patients must have immediate access to epinephrine at all times.

Timing: Prior to initiation.

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Routine Monitoring

Observation for allergic reactions

Frequency: During Initial Dose Escalation (IDE) and the first dose of each up-dosing level (in healthcare setting). Daily at home.

Target: Absence of severe allergic reactions.

Action Threshold: Any signs of anaphylaxis require immediate treatment with epinephrine and medical attention.

Asthma control

Frequency: Regularly, especially before advancing dose levels.

Target: Well-controlled asthma.

Action Threshold: If asthma is not well-controlled, delay dose escalation or maintenance until control is achieved.

Adherence to dosing schedule

Frequency: Ongoing.

Target: Consistent daily dosing.

Action Threshold: Missed doses may require re-evaluation and potentially restarting at a lower dose.

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Symptom Monitoring

  • Hives, itching, flushing
  • Swelling of lips, face, tongue, throat
  • Wheezing, shortness of breath, difficulty breathing
  • Dizziness, lightheadedness, fainting
  • Abdominal pain, vomiting, diarrhea
  • Feeling of impending doom

Special Patient Groups

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Pregnancy

There are no adequate and well-controlled studies of Palforzia in pregnant women. Use only if the potential benefit justifies the potential risk to the fetus. It is unknown if Palforzia can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity.

Trimester-Specific Risks:

First Trimester: Risk unknown. Consider potential for allergic reactions in the mother.
Second Trimester: Risk unknown. Consider potential for allergic reactions in the mother.
Third Trimester: Risk unknown. Consider potential for allergic reactions in the mother.
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Lactation

It is not known whether Palforzia is excreted in human milk. The developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for Palforzia and any potential adverse effects on the breastfed infant from Palforzia or from the underlying maternal condition.

Infant Risk: Risk unknown. Monitor breastfed infant for signs of allergic reaction.
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Pediatric Use

Palforzia is indicated for patients aged 4 to 17 years with a confirmed diagnosis of peanut allergy. Safety and effectiveness have not been established in patients younger than 4 years of age. Patients who complete up-dosing may continue maintenance dosing into adulthood.

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Geriatric Use

Clinical studies of Palforzia did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects. In general, dose selection for an elderly patient should be cautious, reflecting the greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy.

Clinical Information

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Clinical Pearls

  • Palforzia is NOT a cure for peanut allergy; patients must continue strict peanut avoidance and carry epinephrine.
  • The first dose of each up-dosing level and all doses during the Initial Dose Escalation must be given in a healthcare setting with resuscitation capabilities.
  • Patients must be observed for at least 60 minutes after each dose administered in a healthcare setting.
  • Poorly controlled asthma is a contraindication to initiating or continuing treatment; ensure asthma is well-controlled.
  • Temporary discontinuation or dose reduction may be necessary during illness (e.g., fever, vomiting, uncontrolled asthma) or during periods of increased allergic sensitivity.
  • Adherence to the daily dosing schedule is critical for maintaining desensitization. Missed doses may require re-evaluation and potentially restarting at a lower dose.
  • Educate patients and caregivers thoroughly on recognizing and managing allergic reactions, including proper use of epinephrine.
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Alternative Therapies

  • Strict peanut avoidance (standard of care)
  • Epinephrine auto-injectors (for emergency treatment of anaphylaxis)
  • Investigational therapies (e.g., epicutaneous immunotherapy, sublingual immunotherapy, other oral immunotherapies)
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Cost & Coverage

Average Cost: Highly variable, typically several thousand dollars per month for treatment kits. per treatment kit (multiple capsules)
Insurance Coverage: Specialty Tier (requires prior authorization, may have high co-pays/coinsurance)
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General Drug Facts

If your symptoms or health issues persist or worsen, it is essential to contact your doctor promptly. To ensure safe use, never share your medication with others or take someone else's medication. This medication is accompanied by a Medication Guide, which provides crucial information for patients. Please read this guide carefully and review it again whenever you receive a refill of this medication. If you have any questions or concerns about this medication, consult with your doctor, pharmacist, or other healthcare provider. In the event of a suspected overdose, immediately call your local poison control center or seek emergency medical attention. When reporting the incident, be prepared to provide details about the medication taken, the amount consumed, and the time it occurred.