Avopef by is a Prescription medication manufactured, distributed, or labeled by Avyxa Pharma, LLC, Avyxa Holdings, LLC.. Drug facts, warnings, and ingredients follow.
Hypersensitivity to etoposide or any of its excipients. (4)
The most common adverse reactions are, myelosuppression, hypersensitivity, nausea/vomiting, and alopecia. (6.1)
To report SUSPECTED ADVERSE REACTIONS, contact Avyxa Pharma, LLC at 1-888-520-0954 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
See 17 for PATIENT COUNSELING INFORMATION.
Revised: 2/2026
The recommended dosage of AVOPEF is:
The recommended dosage of AVOPEF is:
No dosage modification is recommended for patients with creatinine clearance (CLcr) > 50 mL/min. The recommended dosage of AVOPEF in patients with CLcr of 15 to 50 mL/min is listed in Table 1.
|
*Repeat treatment cycles every 3 to 4 weeks. |
|
| Recommended AVOPEF Dosage*
|
|
| Refractory Testicular Cancer | 37 mg/m2 to 75 mg/m2
Days 1 through 5 |
| 75 mg/m2
Days 1, 3 and 5 |
|
| Small Cell Lung Cancer | 26 mg/m2
Days 1 through 4 |
| 37 mg/m2
Days 1 through 5 |
|
A recommended dosage of AVOPEF has not been established for patients with creatinine clearance < 15 mL/min.
AVOPEF can cause severe and fatal myelosuppression, including neutropenia, febrile neutropenia, anemia, and thrombocytopenia.
Monitor complete blood counts with differential before each AVOPEF administration and at appropriate intervals during and after treatment with AVOPEF. Do not administer AVOPEF to patients with absolute neutrophil counts of less than 500 cells/mm3or platelets less than 50,000 cells/mm3.
AVOPEF can cause severe and fatal infusion-related reactions including anaphylactic reactions characterized by chills, fever, tachycardia, bronchospasm, dyspnea and hypotension [see Adverse Reactions (6.1)]. Hypertension and flushing have occurred.
At the first sign of hypersensitivity, stop the infusion and administer volume expanders, corticosteroids, antihistamines, and pressor agents as appropriate. Permanently discontinue AVOPEF in patients who experience a severe hypersensitivity reaction. Hypotension due to rapid intravenous injection has also occurred. To reduce the risk of hypotension due to an infusion-related reaction, administer AVOPEF by intravenous infusion over 30 to 60 minutes [see Dosage and Administration (2.5)].
Extravasation of etoposide can result in swelling, pain, cellulitis, and tissue necrosis.
Etoposide is highly protein-bound. Patients with low serum albumin may have increased concentrations of unbound etoposide and may be at an increased risk for etoposide associated adverse reactions. Monitor for increased adverse reactions during treatment with AVOPEF in patients with low serum albumin.
The alcohol content in a dose of AVOPEF may affect the central nervous system and should be taken into account for patients in whom alcohol intake should be avoided or minimized. Consideration should be given to the alcohol content in AVOPEF on the ability to drive or use machines immediately after the infusion. Each administration of AVOPEF at 100 mg/m2 delivers 1.5 g/m2 of ethanol. For a patient with a BSA of 2.0 m2 this would deliver 3.0 grams of ethanol [see Description (11)]. Other etoposide products may have a different amount of alcohol or no alcohol.
Based on findings from animal studies and its mechanism of action, AVOPEF can cause fetal harm when administered to a pregnant woman. In animal reproduction studies, intravenous or intraperitoneal administration of etoposide to pregnant animals during the period of organogenesis caused embryo-fetal mortality and structural abnormalities at doses below the recommended human dose of 50 mg/m2 based on body surface area (BSA).
Advise pregnant women and females of reproductive potential of the potential risk to a fetus. Advise female patients of reproductive potential to use effective contraception during treatment with AVOPEF and for 6 months after the last dose. Advise males with female partners of reproductive potential to use effective contraception during treatment with AVOPEF and for 4 months after the last dose [see Use in Specific Populations (8.1, 8.3)].
The following clinically significant adverse reactions are discussed in more detail in other sections of the labeling.
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.
Blood and lymphatic system disorders: acute leukemia, myelosuppression
Eye disorders: transient cortical blindness
Gastrointestinal disorders: abdominal pain, anorexia, constipation, diarrhea, dysgeusia, dysphagia, esophagitis, mucositis, nausea, stomatitis and vomiting
General disorders and administration site conditions: fatigue, fever, and infusion site extravasation with necrosis
Hepatobiliary disorders: hepatoxicity, metabolic acidosis
Immune system disorders: allergic reaction, anaphylactic reaction (including chills, fever, tachycardia, bronchospasm, dyspnea, hypotension, hypertension, flushing, facial swelling, tongue swelling, coughing, diaphoresis, cyanosis, tightness in throat, laryngospasm, back pain, loss of consciousness, hypersensitivity-associated apnea), hypersensitivity, infusion-related reaction.
Infections: febrile neutropenia
Nervous system disorders: optic neuritis, peripheral neuropathy and seizure
Respiratory, thoracic and mediastinal disorders: interstitial pneumonitis and pulmonary fibrosis
Skin and subcutaneous tissue disorders: alopecia, pigmentation changes (including pigmented bands in nails, skin darkening and discoloration of tongue and teeth), pruritic erythematous maculopapular rash, pruritus, radiation recall dermatitis, rash, Stevens-Johnson syndrome (SJS), toxic epidermal necrolysis (TEN) and urticaria
Vascular disorders: hypotension following rapid intravenous administration [see Dosage and Administration (2.5)], perivasculitis
Avoid concomitant use of strong CYP3A inhibitors.
Etoposide is a CYP3A4 substrate. Strong CYP3A inhibitors may increase etoposide exposure, which may increase the risk of AVOPEF-associated adverse reactions [see Clinical Pharmacology (12.3)].
CYP3A Inducers
Avoid concomitant use of strong CYP3A inducers.
Etoposide is a CYP3A4 substrate. Strong CYP3A inducers may reduce etoposide exposure, which may decrease the effectiveness of AVOPEF [see Clinical Pharmacology (12.3)].
Based on findings in animal studies and its mechanism of action [see Clinical Pharmacology (12.1)], AVOPEF can cause fetal harm when administered to a pregnant woman. There are no available data on the use of AVOPEF in pregnant women to inform a drug-associated risk. AVOPEF contains alcohol which can interfere with neurobehavioral development [see Clinical Considerations]. In animal reproduction studies, intravenous or intraperitoneal administration of etoposide to pregnant animals during the period of organogenesis caused embryo-fetal mortality and structural abnormalities at doses below the recommended human dose of 50 mg/m2 based on body surface area (BSA). Advise pregnant women and females of reproductive potential of the potential risk to a fetus. Advise female patients of reproductive potential to use effective contraception during treatment with AVOPEF and for 6 months after the last dose [see Use in Specific Populations (8.1, 8.3) and Clinical Pharmacology (12.1)]. 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 of miscarriage is 15% to 20%, respectively.
Clinical Considerations
AVOPEF contains alcohol [see Warnings and Precautions (5.6)]. Published studies have demonstrated that alcohol is associated with fetal harm including central nervous system abnormalities, behavioral disorders, and impaired intellectual development.
Data
Animal Data
In rats, an intravenous etoposide dose of 0.4 mg/kg/day (approximately 0.05 times the human dose of 50 mg/m2 based on BSA) during organogenesis caused maternal toxicity, embryotoxicity, and teratogenicity (skeletal abnormalities, exencephaly, encephalocele, and anophthalmia); higher doses of 1.2 and 3.6 mg/kg/day (approximately 0.14- and 0.5-times the human dose of 50 mg/m2 based on BSA) resulted in 90% and 100% embryonic resorptions, respectively. In mice, a single etoposide dose of 1.0 mg/kg (approximately 0.06 times the human dose of 50 mg/m2 based on BSA) administered intraperitoneally on Days 6, 7, or 8 of gestation caused embryotoxicity, cranial abnormalities, and major skeletal malformations. An intraperitoneal dose of 1.5 mg/kg (approximately 0.10-times the human dose 50 mg/m2 based on BSA) on Day 7 of gestation caused an increase in the incidence of intrauterine death, fetal malformations, and a significant decrease in the average fetal body weight.
There is no information regarding the presence of etoposide or its metabolites in human milk or the effects on a breastfed child or on milk production. Because the potential for serious adverse reactions in breastfed children, advise women not to breastfeed during treatment with AVOPEF and for 1 week after the last dose.
Based on animal data and its mechanism of action, AVOPEF can cause fetal harm when administered to pregnant women [see Use in Specific Population (8.1)].
Pregnancy Testing
Verify the pregnancy status of female patients of reproductive potential prior to initiating AVOPEF.
Contraception
Females
Advise females of reproductive potential to use effective contraception during treatment with AVOPEF and for 6 months after the last dose [see Use in Specific Populations (8.1) and Nonclinical Toxicology (13.1)].
Males
Due to the potential for genotoxicity, advise males with female partners of reproductive potential to use effective contraception during treatment with AVOPEF and for 4 months after the last dose [see Nonclinical Toxicology (13.1)].
Infertility
Females
In females of reproductive potential, AVOPEF may cause infertility and result in amenorrhea. Premature menopause can occur with AVOPEF. Recovery of menses and ovulation is related to age at treatment.
Males
In male patients, AVOPEF may result in oligospermia, azoospermia, and permanent loss of fertility. Sperm counts have been reported to return to normal levels in some men, and in some cases, have occurred several years after the end of therapy [See Nonclinical Toxicology (13.1)].
The safety and effectiveness of AVOPEF have not been established in pediatric patients.
Clinical studies of etoposide for the treatment of refractory testicular tumors did not include sufficient numbers of patients aged 65 years and older to determine whether they respond differently from younger patients. Other reported clinical experience demonstrated that patients 65 years and older experienced more myelosuppression, anorexia, mucositis, dehydration, somnolence, elevated blood urea nitrogen (BUN), infectious complications and alopecia compared to younger patients.
In general, dosage selection for an older patient should be cautious, usually starting at the low end of the dosing range, reflecting the greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy.
Reduce the dose of AVOPEF in patients with creatinine clearance (CLcr) of 15 to 50 mL/min [see Dosage and Administration (2.4)]. No dosage modification is recommended for patients with CLcr > 50 mL/min.
AVOPEF injection contains etoposide, a topoisomerase inhibitor. The chemical name for etoposide is 4'-Demethylepipodophyllotoxin 9-[4,6-O-(R)-ethylidene-β-D glucopyranoside] and has the following structural formula:

Etoposide is a white or off-white crystalline powder with the molecular formula C29H32O13 and a molecular weight of 588.56. It is sparingly soluble in acetone, slightly soluble in methanol or in chloroform, very slightly soluble in ethanol and practically insoluble in water.
AVOPEF (etoposide) Injection is a sterile, clear, colorless to light yellow liquid available in 100 mg/5 mL multiple-dose vials containing 20 mg/mL of etoposide for intravenous administration. Each mL contains 20 mg etoposide, 37.8% v/v (1490 mg) dehydrated alcohol, 600 mg polyethylene glycol 400, and 80 mg polysorbate 80. The pH is adjusted with anhydrous citric acid and is between 3 to 4. Vial headspace contains nitrogen.
Etoposide causes the induction of DNA strand breaks by an interaction with DNA-topoisomerase II or the formation of free radicals, leading to cell cycle arrest, primarily at the G2 stage of the cell cycle, and cell death.
Etoposide exposure-response relationships and the time course of pharmacodynamic response are unknown.
Etoposide total systemic exposure (AUC) and the maximum plasma concentration (Cmax) increases in dose proportional manner over dosage range of 100 to 600 mg/m2 (6 times the maximum approved recommended dose). Etoposide does not accumulate following daily administration of 100 mg/m2 for 4 to 5 days.
Distribution
Etoposide mean volume of distribution at steady state is 7 L/m2 to 17 L/m2.
No clinically significant amount of etoposide distributes into the CSF.
Etoposide plasma protein binding is 97% in vitro (primarily albumin).
Elimination
Etoposide elimination half-life is 4 hours to 11 hours. Total body clearance is 16 mL/min/m2 to 36 mL/min/m2 over a range of 100 mg/m2 to 600 mg/m2 (6 times the maximum approved recommended dose). The mean renal clearance of etoposide is 7 mL/min/m2 to 10 mL/min/m2 over a dose range of 80 mg/m2 to 600 mg/m2 (6 times the maximum approved recommended dose).
Metabolism
Etoposide is metabolized by opening of the lactone ring, O-demethylation and conjugation (i.e., glucuronidation and sulfation. O-demethylation occurs through CY3A to the active catechol metabolite.
Excretion
After intravenous administration of 14C-etoposide [100 to 124 mg/m2 (1.2 times the maximum approved recommended dose)], mean recovery of radioactivity in the urine was 56% of the dose at 120 hours, 45% of which was excreted as etoposide; fecal recovery of radioactivity was 44% of the dose at 120 hours.
Specific Populations
No clinically significant differences in pharmacokinetic parameters of etoposide were observed based on age and sex.
Patients with Renal Impairment
Patients with impaired renal function have exhibited reduced total body clearance, increased AUC, and a lower volume of distribution at steady state.
Drug Interactions
In vitro studies
Phenylbutazone, sodium salicylate, and aspirin displaced protein-bound etoposide in vitro.
A single intravenous dose of etoposide at ≥ 4 times the human dose of 50 mg/m2 based on BSA caused benign and malignant breast tumors in female rats and mice.
Mutagenesis
Etoposide was mutagenic in an in vitro bacterial reverse mutation (Ames) assay.
Impairment of Fertility
Irreversible testicular atrophy was present in rats treated with etoposide intravenously for 30 days at 0.5 mg/kg/day (approximately 0.06 times the human dose of 50 mg/m2 based on BSA).
A single intravenous dose of etoposide at approximately 5 times the human dose of 50 mg/m2 based on BSA caused accelerated atrophic processes in the ovaries of rats, 3 months post-treatment. In vitro, etoposide treatment resulted in damage of pre-follicular fetal ovaries.
AVOPEF (etoposide) Injection, 100 mg/5 mL (20 mg/mL) is a sterile, clear, colorless to light yellow liquid available in multiple-dose glass vials as follows:
| NDC Number
| Strength
| Package
|
| 83831-144-05 | 100 mg/5 mL (20 mg/mL) | 1 multiple-dose vial in 1 carton. |
This container closure is not made with natural rubber latex.
Storage and Handling
Store at 20°C to 25° C (68°F to 77° F); excursions permitted to 15°C to 30°C (59°F to 86°F). [See USP Controlled Room Temperature]. After first use, store the partially used multiple-dose vial in the original carton at controlled room temperature, 20°C to 25°C (68°F to 77°F) for up to 28 days [see Dosage and Administration (2.5)].
AVOPEF is a hazardous drug. Follow applicable special handling and disposal procedures [see References (15)].
Inform patients that AVOPEF can cause severe myelosuppression. Advise patients that periodic monitoring of their blood counts is required during treatment with AVOPEF. Advise patients to contact their healthcare provider for any signs or symptoms of myelosuppression [see Warnings and Precautions (5.1)].
Hypersensitivity and Infusion-Related Reactions
Inform patients that AVOPEF can cause severe infusion-related reactions, allergic reactions and anaphylaxis. Advise patients to immediately call their healthcare provider to report any signs or symptoms of an infusion-related reaction, allergic reaction or anaphylaxis [see Warnings and Precautions (5.2)].
Risk of Increased AVOPEF Toxicity with Low Serum Albumin
Inform patients that the risk of AVOPEF toxicity is increased with low serum albumin. Advise patients that periodic monitoring of their serum albumin is required during treatment with AVOPEF. Advise patients to contact their healthcare provider if they experience signs or symptoms of low serum albumin or AVOPEF toxicity [see Warnings and Precautions (5.5)].
Secondary Leukemia
Inform patients that AVOPEF can cause secondary leukemia. Advise patients that periodic monitoring is recommended during and after treatment with AVOPEF and to contact their healthcare provider if they experience signs or symptoms of leukemia [see Warnings and Precautions (5.4)].
Alcohol Content
Advise patients of the effects of alcohol in AVOPEF, including possible effects on the central nervous system. Advise patients in whom alcohol should be avoided or minimized to consider the alcohol content of AVOPEF. AVOPEF at 100 mg/m2 delivers 1.5 g/m2 of ethanol. For a patient with a BSA of 2.0 m2 this delivers 3.0 grams of ethanol [see Description (11)]. Alcohol impairs the ability to drive or use machines [see Warnings and Precautions (5.6)].
Embryo-Fetal Toxicity
Advise women not to breastfeed during treatment with AVOPEF and for 1 week after the last dose [see Use in Specific Populations (8.2)].
Infertility
Advise males and females of reproductive potential that AVOPEF may impair fertility [see Use in Specific Populations (8.3) and Nonclinical Toxicology (13.1)].
Manufactured for:
Avyxa Pharma, LLC
New Jersey 07054, USA
Made in China

| AVOPEF
etoposide injection |
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| Labeler - Avyxa Pharma, LLC (128918748) |
| Registrant - Avyxa Holdings, LLC. (119187191) |