Vortioxetine
Drug class: Selective Serotonin Reuptake Inhibitor
Vortioxetine (BRINTELLIX)(中文:沃替西汀)
Common Strengths of Vortioxetine[edit]
Vortioxetine are available in the following strengths:
- 5 mg, 10 mg, 20 mg tablets
Drug Trade Names of Vortioxetine[edit]
Brintellix
Drug Usage[edit]
Treatment of major depressive disorder in adults
Mechanism of Action[edit]
Vortioxetine has a miltimodal mechanism of action:
- Serotonin reuptake inhibitor
- 5-HT1A receptor agonist
- 5-HT1B receptor partial agonist
- 5-HT3, 5-HT1D and 5-HT7 receptor antagonist
Route of Administration[edit]
Oral
Dosages[edit]
- Starting dose: 10 mg once daily
- Maintenance dose: 5 - 20 mg once daily
- Maximum dose: 20 mg/day
Side Effects[edit]
| Frequency | Adverse reactions |
|---|---|
| Common | Nausea: This is the most frequently reported side effect, occurring in up to 42% of patients |
| Constipation or diarrhoea: Reported in up to 15% of patients | |
| Vomiting | |
| Dry Mouth: Using sugar-free gum or candy can help alleviate dry mouth | |
| Dizziness: Moving slowly when changing positions can help reduce dizziness | |
| Headache: Drinking plenty of fluids and resting can help; avoid excessive alcohol consumption | |
| Sexual Dysfunction: This includes decreased libido and difficulty achieving orgasm | |
| Serious | Serious side effects are less common but require immediate medical attention. |
| Suicidal Thoughts or Actions: especially in the first few months of treatment or when the dose is changed. Symptoms include new or worsening depression, anxiety, or unusual changes in mood or behavior. | |
| Serotonin Syndrome: This potentially life-threatening condition can occur when there is too much serotonin in the body. Symptoms include agitation, hallucinations, rapid heart rate, fever, nausea, vomiting, diarrhea, and muscle twitching | |
| Severe Allergic Reactions: These include symptoms like difficulty breathing, swelling of the face, lips, tongue, or throat, and severe rash or hives | |
| Abnormal Bleeding: Can manifest as unusual bruising or bleeding | |
| Low Sodium Levels: Particularly in older adults, symptoms include headache, confusion, weakness, and difficulty concentrating | |
| Mania: Symptoms include excessively high energy, severe trouble sleeping, racing thoughts, reckless behavior, and unusually grand ideas | |
| Angle-closure glaucoma (eye pain, vision changes) | |
| Withdrawal Symptoms: If the medication is abruptly stopped, symptoms may include anxiety, irritability, mood swings, restlessness, changes in sleep habits, headache, sweating, shaking, nausea, dizziness, and electric shock-like sensations. |
Pharmacokinetics[edit]
- Metabolism: Primarily via CYP2D6
- Elimination: Half-life approximately 66 hours
- Onset: 2 - 4 weeks for full antidepressant effect
Drug Precautions[edit]
Pregnancy
Use only if potential benefit outweighs risk. May cause withdrawal symptoms in newborns if used in third trimester.
Breastfeeding
Use caution
Children and Elderly
- Not approved for use in children <18 years
- No dosage adjustment required for elderly patients
Monitoring Requirements
- Monitor for clinical worsening and suicidal thoughts, especially early in treatment
- Monitor for signs of serotonin syndrome
- Monitor for signs of abnormal bleeding
Drug Interactions
- Strong CYP2D6 inhibitors: Reduce vortioxetine dose by half
- Strong CYP inducers: Consider dose increase
- Anticoagulants: Monitor for increased bleeding risk
FAQ[edit]
How Should I Take the Tablet?
Take once daily with or without food
What Should I Avoid While Taking?
Avoid alcohol. Use caution when driving or operating machinery until you know how it affects you.
What Happens if I Miss a Dose?
Take the missed dose as soon as you remember unless it is almost time for your next dose. Do not double doses.
