Flurpiridaz F 18

Flurpiridaz F 18
Adult Indications & Dosage
Pediatric Indications & Dosage
Contraindications
Warnings & Precautions
Adverse Reactions
Drug Interactions
Use in Specific Populations
Administration & Monitoring
Overdosage
Pharmacology
Clinical Studies
How Supplied
Images
Patient Counseling Information
Precautions with Alcohol
Brand Names
Look-Alike Names

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Parth Vikram Singh, MBBS[2]

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Overview

Flurpiridaz F 18 is an analog of the mitochondrial complex 1 (MC-1) inhibitor that is FDA approved for the treatment of positron emission tomography (PET) myocardial perfusion imaging (MPI) under rest or stress (pharmacologic or exercise) in adult patients with known or suspected coronary artery disease (CAD) to evaluate for myocardial ischemia and infarction.. Common adverse reactions include *dyspnea,

• headache,
• angina pectoris,
• chest pain,
• fatigue,
• ST segment changes,
• flushing,
• nausea,
• abdominal pain,
• dizziness, and
• arrhythmia..

Adult Indications and Dosage

FDA-Labeled Indications and Dosage (Adult)

• Administer FLYRCADO via intravenous injection. • When rest and stress imaging are conducted on the same day, the recommended administered activities are o Rest imaging: 93 MBq to 111 MBq (2.5 mCi to 3 mCi) o Pharmacologic stress imaging: 222 MBq to 241 MBq (6 mCi to 6.5 mCi) o Exercise stress imaging: 333 MBq to 352 MBq (9 mCi to 9.5 mCi) • When rest and stress imaging are conducted over two days, the recommended rest and stress administered activities, for both pharmacologic and exercise stress, are 93 MBq to 111 MBq (2.5 mCi to 3 mCi). • See full prescribing information for radiation safety, preparation, administration, imaging, and radiation dosimetry information. Injection: 190 MBq/mL to 2,050 MBq/mL (5 mCi/mL to 55 mCi/mL) of flurpiridaz F 18 at end of synthesis in a shielded multiple-dose vial with up to 30 mL fill volume.

Off-Label Use and Dosage (Adult)

Guideline-Supported Use

There is limited information regarding Off-Label Guideline-Supported Use of Flurpiridaz F 18 in adult patients.

Non–Guideline-Supported Use

There is limited information regarding Off-Label Non–Guideline-Supported Use of Flurpiridaz F 18 in adult patients.

Pediatric Indications and Dosage

FDA-Labeled Indications and Dosage (Pediatric)

There is limited information regarding Flurpiridaz F 18 FDA-Labeled Indications and Dosage (Pediatric) in the drug label.

Off-Label Use and Dosage (Pediatric)

Guideline-Supported Use

There is limited information regarding Off-Label Guideline-Supported Use of Flurpiridaz F 18 in pediatric patients.

Non–Guideline-Supported Use

There is limited information regarding Off-Label Non–Guideline-Supported Use of Flurpiridaz F 18 in pediatric patients.

Contraindications

None.

Warnings

Risks Associated with Exercise or Pharmacologic Stress

• Patients evaluated with exercise or pharmacologic stress may experience serious adverse reactions such as myocardial infarction, arrhythmia, hypotension, bronchoconstriction, stroke, and seizure.
• Perform stress testing in the setting where cardiac resuscitation equipment and trained staff are readily available.
• When pharmacologic stress is selected as an alternative to exercise, perform the procedure in accordance with the pharmacologic stress agent's prescribing information.

Radiation Risks

• FLYRCADO contributes to a patient's overall long-term cumulative radiation exposure. *Long-term cumulative radiation exposure is associated with an increased risk of cancer.
• Ensure safe handling to minimize radiation exposure to patients and health care providers Advise patients to hydrate before and after administration and to void frequently after administration.

Adverse Reactions

Clinical Trials Experience

• Risks Associated with Exercise or Pharmacologic Stress.

Clinical Trials Experience

• Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in clinical practice.
• The safety of FLYRCADO was evaluated in 1,600 subjects in clinical studies, including 1,575 (98%) subjects with known or suspected coronary artery disease and 25 (2%) healthy subjects. All 1,600 subjects were dosed under rest conditions, with a mean dose of 102 MBq (2.8 mCi) FLYRCADO. A total of 1,568 (98%) subjects were also dosed under stress (exercise or pharmacologic) conditions, with a mean activity of 252 MBq (6.8 mCi) FLYRCADO by intravenous route. The demographic characteristics of the study population were 31% female, mean age 62 years (range 19 years to 90 years), 81% White, 11% Black or African American, 1% Asian, and 7% other or unreported race, and 10% Hispanic or Latino, 81% Not Hispanic or Latino, and 9% unreported ethnicity.
• Stress testing procedures are associated with serious adverse reactions.
• Adverse reactions occurring in ≥2% subjects receiving FLYRCADO during PET MPI under rest and stress (pharmacologic or exercise) are presented in Table 3.

Adverse reactions occurring during FLYRCADO PET MPI under rest and stress (pharmacologic or exercise) in <2% of subjects included diarrhea, palpitations, back pain, cardiac conduction disturbance, rash, dysgeusia, cough, hypotension, anxiety, vomiting, pruritus, bronchospasm, dry mouth, blood pressure elevation, syncope, and wheezing.

Postmarketing Experience

There is limited information regarding Flurpiridaz F 18 Postmarketing Experience in the drug label.

Drug Interactions

There is limited information regarding Flurpiridaz F 18 Drug Interactions in the drug label.

Use in Specific Populations

Pregnancy

Pregnancy Category (FDA):

Risk Summary

• There are no data on use of flurpiridaz F 18 in pregnant women to evaluate for a drug-associated risk of major birth defects, miscarriage, or other adverse maternal or fetal outcomes.
• All radiopharmaceuticals, including FLYRCADO, have the potential to cause fetal harm depending on the fetal stage of development and the magnitude of the radiation dose. If considering FLYRCADO administration to a pregnant woman, inform the patient about the potential for adverse pregnancy outcomes based on the radiation dose from flurpiridaz F 18 and the gestational timing of exposure.
• FLYRCADO contains ethanol (a maximum daily dose of 337 mg anhydrous ethanol). The lower limit of safety for ethanol use during pregnancy has not been established. Published studies have demonstrated that ethanol is associated with fetal harm including central nervous system abnormalities, behavioral disorders, and impaired intellectual development. If considering FLYRCADO administration to a pregnant woman, inform the patient about the potential for adverse pregnancy outcomes associated with ethanol exposure during pregnancy.
• The background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively.

Pregnancy Category (AUS): There is no Australian Drug Evaluation Committee (ADEC) guidance on usage of Flurpiridaz F 18 in women who are pregnant.

Labor and Delivery

There is no FDA guidance on use of Flurpiridaz F 18 during labor and delivery.

Nursing Mothers

Risk Summary

There are no data on the presence of flurpiridaz F 18 or its metabolites in human milk or animal milk, the effects on the breastfed infant, or the effects on milk production. Based on clinical guidelines, exposure of FLYRCADO to a breastfed infant can be minimized by advising a lactating woman to temporarily discontinue breastfeeding and to pump and discard breast milk for a minimum of 8 hours after administration of FLYRCADO. The developmental and health benefits of breastfeeding should be considered along with the mother's clinical need for FLYRCADO and any potential adverse effects on the breastfed child from FLYRCADO or from the underlying maternal condition.

Pediatric Use

Safety and effectiveness of FLYRCADO in pediatric patients have not been established.

Geriatic Use

There is no FDA guidance on the use of Flurpiridaz F 18 in geriatric settings.

Gender

There is no FDA guidance on the use of Flurpiridaz F 18 with respect to specific gender populations.

Race

There is no FDA guidance on the use of Flurpiridaz F 18 with respect to specific racial populations.

Renal Impairment

There is no FDA guidance on the use of Flurpiridaz F 18 in patients with renal impairment.

Hepatic Impairment

There is no FDA guidance on the use of Flurpiridaz F 18 in patients with hepatic impairment.

Females of Reproductive Potential and Males

There is no FDA guidance on the use of Flurpiridaz F 18 in women of reproductive potentials and males.

Immunocompromised Patients

There is no FDA guidance one the use of Flurpiridaz F 18 in patients who are immunocompromised.

Administration and Monitoring

Administration

Radiation Safety – Drug Handling

• Handle FLYRCADO with appropriate safety measures to minimize radiation exposure.
• Use waterproof gloves and effective shielding, including lead-glass syringe shields, when handling and administering FLYRCADO.
• Radioactive drugs should be used by or under the control of healthcare providers who are qualified by specific training and experience in the safe use and handling of radionuclides, and whose experience and training have been approved by the appropriate governmental agency authorized to license the use of radionuclides.

Recommended Dosage, Preparation, and Administration Instructions

• Recommended Dosage

• The recommended activity for each type of examination is presented in Table 1. • Administer two doses by intravenous injection, one for rest imaging and one for stress imaging, using either pharmacologic or exercise stress, in either a 1-day or 2-day protocol. • If performing a combined exercise/pharmacologic stress protocol, administer the recommended activity for pharmacologic stress. • When rest and stress imaging are performed on the same day, the recommended minimum stress activity is 2-fold the rest activity for pharmacologic stress and 3-fold the rest activity for exercise stress to provide adequate image quality and obscure residual signal from the first acquisition. • The recommended maximum total volume administered in one day is 6.1 mL.

• Patient Preparation

Instruct patients to drink water to ensure adequate hydration prior to administration of FLYRCADO and to continue drinking and voiding frequently during the first hours following administration to reduce radiation exposure.

• Drug Preparation

• Use aseptic technique and radiation shielding to withdraw and administer FLYRCADO. • Calculate the necessary volume to administer based on calibration time and activity using a suitably calibrated instrument. • Visually inspect FLYRCADO for particulate matter and discoloration prior to administration and do not use if either is observed. • Ensure the correct syringe is used and has adequate volume (at least 1 mL to 2 mL) so that the activity in the syringe can be administered without excessive dead volume loss. • Measure patient dose using a dose calibrator immediately before administration. • Do not use and discard FLYRCADO 8 hours after end of synthesis or when the activity falls below the activity requirement at the time of injection, whichever is earlier. • FLYRCADO may be diluted aseptically with 0.9% Sodium Chloride Injection, USP. Diluted product should be used within 8 hours after end of synthesis or when the activity falls below the activity requirement at the time of injection, whichever is earlier. • Dispose of unused product in a safe manner and in compliance with applicable regulations.

• Administration Instructions

• Administer FLYRCADO via intravenous injection as a bolus lasting less than 10 seconds and immediately follow with a flush of 0.9% Sodium Chloride Injection, USP. • The minimum time between rest and stress dose administration is: o 30 minutes when using pharmacologic stress o 60 minutes when using exercise stress • When using pharmacologic stress, administer FLYRCADO at the time of peak vasodilation according to the prescribing information for the stress agent, using an intravenous port different from the one used for the stress agent. • When using exercise stress, administer FLYRCADO after the patient reaches at least 85% of their age-predicted maximum heart rate or exhibits ischemic signs or symptoms. The patient should then continue to exercise for approximately 1 minute to 2 minutes after the injection. If the patient cannot achieve the target heart rate, the examination may be converted to pharmacologic stress.

Image Acquisition Instructions

For rest and stress imaging, image reconstruction should include attenuation correction.

• Rest Imaging

Begin the PET acquisition 5 minutes after FLYRCADO administration and acquire images for 10 minutes using a scanner in 3D mode.

• Pharmacologic Stress Imaging

Begin the PET acquisition 5 minutes after FLYRCADO administration and acquire images for 10 minutes using a scanner in 3D mode. Optionally, dynamic imaging may be performed, starting immediately prior to the injection of FLYRCADO.

• Exercise Stress Imaging

Once the patient has been positioned on the scanner and respiration has begun to return to normal, begin image acquisition (about 15 minutes to 25 minutes after administration of FLYRCADO). Acquire images for 10 minutes using a scanner in 3D mode.

Radiation Dosimetry

Table 2 shows the estimated radiation absorbed doses per unit of injected activity.

• The whole-body effective dose resulting from the administration of maximal activity of FLYRCADO of 111 MBq at rest, 241 MBq during pharmacological stress, and 352 MBq during exercise stress is, respectively, 2.1 mSv, 4.6 mSv, and 5.3 mSv. Under the same conditions, the absorbed dose to the target organ (heart wall) is 5.3 mGy, 22 mGy, and 14 mGy for each administered activity, respectively.
• The use of a CT scan to calculate attenuation correction for the reconstruction of FLYRCADO PET images (as done in PET/CT imaging) will add radiation exposure.

Monitoring

There is limited information regarding Flurpiridaz F 18 Monitoring in the drug label.

IV Compatibility

There is limited information regarding the compatibility of Flurpiridaz F 18 and IV administrations.

Overdosage

There is limited information regarding Flurpiridaz F 18 overdosage. If you suspect drug poisoning or overdose, please contact the National Poison Help hotline (1-800-222-1222) immediately.

Pharmacology

There is limited information regarding Flurpiridaz F 18 Pharmacology in the drug label.

Mechanism of Action

Flurpiridaz F 18 is an analog of the mitochondrial complex 1 (MC-1) inhibitor, pyridaben. Flurpiridaz F 18 is extracted by the myocardium proportional to the blood flow and binds to heart tissue that has biologically active mitochondria. Therefore, radioactivity in viable myocardium is higher than in infarcted tissue.

Structure

There is limited information regarding Flurpiridaz F 18 Structure in the drug label.

Pharmacodynamics

There is limited information regarding Flurpiridaz F 18 Pharmacodynamics in the drug label.

Pharmacokinetics

There is limited information regarding Flurpiridaz F 18 Pharmacokinetics in the drug label.

Nonclinical Toxicology

There is limited information regarding Flurpiridaz F 18 Nonclinical Toxicology in the drug label.

Clinical Studies

There is limited information regarding Flurpiridaz F 18 Clinical Studies in the drug label.

How Supplied

There is limited information regarding Flurpiridaz F 18 How Supplied in the drug label.

Storage

There is limited information regarding Flurpiridaz F 18 Storage in the drug label.

Images

Drug Images

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Package and Label Display Panel

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Patient Counseling Information

There is limited information regarding Flurpiridaz F 18 Patient Counseling Information in the drug label.

Precautions with Alcohol

Alcohol-Flurpiridaz F 18 interaction has not been established. Talk to your doctor about the effects of taking alcohol with this medication.

Brand Names

There is limited information regarding Flurpiridaz F 18 Brand Names in the drug label.

Look-Alike Drug Names

There is limited information regarding Flurpiridaz F 18 Look-Alike Drug Names in the drug label.

Drug Shortage Status

Price

References

The contents of this FDA label are provided by the National Library of Medicine.