Viloxazine Hydrochloride
Generic Name: viloxazine hydrochloride
Brand Names:
Qelbree
11 DESCRIPTION Qelbree contains viloxazine, a selective norepinephrine reuptake inhibitor, in the form of viloxazine hydrochloride which is (±)-2-[(2-ethoxyphenoxy)methyl]morpholine hydrochloride. The molecular formula is C 13 H 20 NO 3 Cl and its molecular weight is 273.8 (HCl salt) with the following structural formula: Viloxazine hydrochloride is a white to off-white powder. Viloxazine hydrochloride is soluble in water, 0.1N HCl and aqueous solutions of pH 9.5 and lower.
Overview
11 DESCRIPTION Qelbree contains viloxazine, a selective norepinephrine reuptake inhibitor, in the form of viloxazine hydrochloride which is (±)-2-[(2-ethoxyphenoxy)methyl]morpholine hydrochloride. The molecular formula is C 13 H 20 NO 3 Cl and its molecular weight is 273.8 (HCl salt) with the following structural formula: Viloxazine hydrochloride is a white to off-white powder. Viloxazine hydrochloride is soluble in water, 0.1N HCl and aqueous solutions of pH 9.5 and lower.
Uses
1 INDICATIONS AND USAGE Qelbree is indicated for the treatment of Attention-Deficit Hyperactivity Disorder (ADHD) in adults and pediatric patients 6 years and older. Qelbree is a selective norepinephrine reuptake inhibitor indicated for the treatment of Attention Deficit Hyperactivity Disorder (ADHD) in adults and pediatric patients 6 years and older ( 1 )
Dosage
2 DOSAGE AND ADMINISTRATION Pediatric patients 6 to 11 years of age : Recommended starting dosage is 100 mg once daily. May titrate in increments of 100 mg weekly to the maximum recommended dosage of 400 mg once daily ( 2.2 ) Pediatric patients 12 to 17 years of age : Recommended starting dosage is 200 mg once daily. May titrate after 1 week, by an increment of 200mg, to the maximum recommended dosage of 400 mg once daily ( 2.2 ) Adult patients : Recommended starting dosage is 200 mg once daily. May titrate in increments of 200 mg weekly, to maximum recommended dosage of 600 mg once daily ( 2.2 ) Capsules may be swallowed whole or opened and the entire contents sprinkled onto applesauce or pudding ( 2.3 ) Severe Renal Impairment : Initial dosage is 100 mg once daily.
Side Effects
6 ADVERSE REACTIONS The following serious adverse reactions are described in other sections of the labeling: Suicidal Thoughts and Behaviors [see Warnings and Precautions (5.1) ] Blood Pressure and Heart Rate Increases [see Warnings and Precautions (5.2) ] Activation of Mania or Hypomania [see Warnings and Precautions (5.3) ] Somnolence and Fatigue [see Warnings and Precautions (5.4) ] Most commonly observed adverse reactions (≥5% and at least twice the rate of placebo) were: Pediatric patients 6 to 17 years of age : somnolence, decreased appetite, fatigue, nausea, vomiting, insomnia, and irritability ( 6.1 ) Adult patients : insomnia, headache, somnolence, fatigue, nausea, decreased appetite, dry mouth and constipation ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Supernus Pharma...
Interactions
7 DRUG INTERACTIONS Moderate sensitive CYP1A2 substrates : Not recommended for coadministration with Qelbree. Dose reduction may be warranted ( 7.1 ) 7.1 Drugs Having Clinically Important Interactions with Qelbree Table 3: Clinically Important Drug Interactions with Qelbree Monoamine Oxidase Inhibitors (MAOI) Clinical Impact Concomitant use of Qelbree with an MAOI may lead to a potentially life-threatening hypertensive crisis. Intervention Concomitant use of Qelbree with an MAOI or within 2 weeks after discontinuing an MAOI is contraindicated [see Contraindications (4) ] . Sensitive CYP1A2 Substrates or CYP1A2 Substrates with a Narrow Therapeutic Range Clinical Impact Viloxazine is a strong CYP1A2 inhibitor.
Warnings
WARNING: SUICIDAL THOUGHTS AND BEHAVIORS In clinical studies, higher rates of suicidal thoughts and behavior were reported in patients with ADHD treated with Qelbree than in patients treated with placebo . Closely monitor all Qelbree-treated patients for clinical worsening, and for emergence of suicidal thoughts and behaviors [see Warnings and Precautions (5.1) ] . WARNING: SUICIDAL THOUGHTS AND BEHAVIORS See full prescribing information for complete boxed warning. 5 WARNINGS AND PRECAUTIONS Blood Pressure and Heart Rate Increases: Assess heart rate and blood pressure prior to initiating treatment, following increases in dosage, and periodically while on therapy ( 5.2 ) Activation of Mania or Hypomania: Screen patients for bipolar disorder ( 5.3 ) Somnolence and Fatigue: Advise patients to use caution when driving or operating hazardous machinery due to potential somnolence (including sedation and lethargy) and fatigue ( 5.4 ) 5.1 Suicidal Thoughts and Behaviors Higher rates of suicidal thoughts and behaviors were reported in pediatric and adult patients with ADHD treated with Qelbree than in patients treated with placebo. 4 CONTRAINDICATIONS Qelbree is contraindicated in patients: receiving concomitant treatment with monoamine oxidase inhibitors (MAOI), or within 14 days following discontinuing an MAOI, because of an increased risk of hypertensive crisis [see Drug Interactions (7.1) ] .
Pregnancy
8.1 Pregnancy Pregnancy Exposure Registry There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed Qelbree during pregnancy. Healthcare providers are encouraged to register patients by calling the National Pregnancy Registry for Psychiatric Medications at 1-866-961-2388 or visiting online at www.womensmentalhealth.org/preg. Risk Summary Based on findings from animal reproduction studies, viloxazine may cause maternal harm when used during pregnancy.
Storage
Storage and Handling Store at 20°C to 25°C (68°F to 77°F); excursions permitted between 15°C to 30°C (59°F to 86°F).
Frequently Asked Questions
What is Viloxazine Hydrochloride used for?▼
1 INDICATIONS AND USAGE Qelbree is indicated for the treatment of Attention-Deficit Hyperactivity Disorder (ADHD) in adults and pediatric patients 6 years and older. Qelbree is a selective norepinephrine reuptake inhibitor indicated for the treatment of Attention Deficit Hyperactivity Disorder (ADHD) in adults and pediatric patients 6 years and older ( 1 )
What are the side effects of Viloxazine Hydrochloride?▼
6 ADVERSE REACTIONS The following serious adverse reactions are described in other sections of the labeling: Suicidal Thoughts and Behaviors [see Warnings and Precautions (5.1) ] Blood Pressure and Heart Rate Increases [see Warnings and Precautions (5.2) ] Activation of Mania or Hypomania [see Warnings and Precautions (5.3) ] Somnolence and Fatigue [see Warnings and Precautions (5.4) ] Most commonly observed adverse reactions (≥5% and at least twice the rate of placebo) were: Pediatric patients 6 to 17 years of age : somnolence, decreased appetite, fatigue, nausea, vomiting, insomnia, and irritability ( 6.1 ) Adult patients : insomnia, headache, somnolence, fatigue, nausea, decreased appetite, dry mouth and constipation ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Supernus Pharma...
Can I take Viloxazine Hydrochloride during pregnancy?▼
8.1 Pregnancy Pregnancy Exposure Registry There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed Qelbree during pregnancy. Healthcare providers are encouraged to register patients by calling the National Pregnancy Registry for Psychiatric Medications at 1-866-961-2388 or visiting online at www.womensmentalhealth.org/preg. Risk Summary Based on findings from animal reproduction studies, viloxazine may cause maternal harm when used during pregnancy.
What are the important warnings for Viloxazine Hydrochloride?▼
WARNING: SUICIDAL THOUGHTS AND BEHAVIORS In clinical studies, higher rates of suicidal thoughts and behavior were reported in patients with ADHD treated with Qelbree than in patients treated with placebo . Closely monitor all Qelbree-treated patients for clinical worsening, and for emergence of suicidal thoughts and behaviors [see Warnings and Precautions (5.1) ] . WARNING: SUICIDAL THOUGHTS AND BEHAVIORS See full prescribing information for complete boxed warning. 5 WARNINGS AND PRECAUTIONS Blood Pressure and Heart Rate Increases: Assess heart rate and blood pressure prior to initiating treatment, following increases in dosage, and periodically while on therapy ( 5.2 ) Activation of Mania or Hypomania: Screen patients for bipolar disorder ( 5.3 ) Somnolence and Fatigue: Advise patients to use caution when driving or operating hazardous machinery due to potential somnolence (including sedation and lethargy) and fatigue ( 5.4 ) 5.1 Suicidal Thoughts and Behaviors Higher rates of suicidal thoughts and behaviors were reported in pediatric and adult patients with ADHD treated with Qelbree than in patients treated with placebo. 4 CONTRAINDICATIONS Qelbree is contraindicated in patients: receiving concomitant treatment with monoamine oxidase inhibitors (MAOI), or within 14 days following discontinuing an MAOI, because of an increased risk of hypertensive crisis [see Drug Interactions (7.1) ] .
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.