Eletriptan vs Other Triptans for Acute Migraine
Eletriptan 40 mg and 80 mg demonstrate superior efficacy compared to sumatriptan 100 mg and zolmitriptan 2.5 mg for most endpoints, making it a highly effective first-line triptan option, though rizatriptan 10 mg remains the overall most effective triptan based on clinical effectiveness ratings. 1, 2, 3
Comparative Efficacy Data
Eletriptan vs Sumatriptan
- Eletriptan 80 mg shows superior headache response at 2 hours (77%) compared to sumatriptan 100 mg (55%), with statistically significant differences (p<0.001). 4
- Eletriptan 80 mg achieves 37% pain-free rates at 2 hours versus 23% for sumatriptan 100 mg (p<0.05), representing a clinically meaningful advantage. 4
- Eletriptan 40 mg demonstrates 65% headache response at 2 hours, still superior to sumatriptan 100 mg for most endpoints. 2, 3
- Eletriptan 20 mg shows similar efficacy to sumatriptan 100 mg (54% vs 55% headache response at 2 hours), making it a reasonable lower-dose alternative. 4
Eletriptan vs Zolmitriptan
- Eletriptan 80 mg is superior to zolmitriptan 2.5 mg for most efficacy parameters, with 68% headache response at 2 hours and 38% pain-free at 2 hours. 1, 2, 3
- Zolmitriptan 2.5 mg achieves 62-65% headache response at 2 hours across multiple studies, which is lower than eletriptan 80 mg but comparable to eletriptan 40 mg. 5
- Eletriptan 40 mg shows equivalent efficacy to zolmitriptan 2.5 mg, making them interchangeable options at these doses. 2, 3
Eletriptan vs Other Triptans
- Rizatriptan 10 mg demonstrates the highest clinical effectiveness rating overall and provides faster pain relief with higher rates of pain-free status at 2 hours compared to other triptans, including eletriptan. 1
- Eletriptan 40 mg is generally superior to naratriptan 2.5 mg, which has substantially lower efficacy despite its longer half-life. 1, 2, 3
- Eletriptan 40 mg is equivalent to almotriptan 12.5 mg and rizatriptan 10 mg for most endpoints. 2, 3
Practical Selection Algorithm
First-Line Choice
- Start with rizatriptan 10 mg for optimal balance of efficacy and tolerability, reaching peak concentration in 60-90 minutes. 1
- If rizatriptan fails after 2-3 migraine episodes or is contraindicated (propranolol use, SSRI use, cimetidine use), escalate to eletriptan 40 mg as the next best option. 6, 1, 2
When to Choose Eletriptan Specifically
- Use eletriptan 80 mg when maximum efficacy is needed and lower doses of other triptans have failed, as it provides the highest headache response rates (77% at 2 hours) among oral triptans. 4
- Consider eletriptan 40 mg when sumatriptan 100 mg has been inadequate, as it demonstrates superior efficacy for most endpoints. 2, 3
- Eletriptan has a rapid onset of action with superiority over placebo as early as 30 minutes after administration. 2, 3
Route-Specific Considerations
- For patients requiring fastest relief (within 15 minutes) or with significant nausea/vomiting, subcutaneous sumatriptan 6 mg remains superior to all oral triptans, including eletriptan, with 70-82% effectiveness. 7, 1
Tolerability and Safety Profile
- Eletriptan 40 mg has an adverse event profile only marginally higher than placebo, while eletriptan 20 mg is similar to placebo. 8
- Eletriptan 80 mg shows dose-dependent increase in minor adverse effects (NNH 3.7) but no significant difference in major adverse effects compared to placebo. 9
- All triptans share absolute contraindications: coronary artery disease, previous MI, Wolff-Parkinson-White syndrome, history of stroke/TIA, and uncontrolled hypertension. 1
- Eletriptan should not be coadministered with 7 potent CYP3A4 inhibitors (specific list not provided in evidence), though coadministration was not associated with clinically meaningful changes in tolerability in clinical trials. 8
Critical Frequency Limitation
- Limit all triptan use, including eletriptan, to no more than 2 days per week to prevent medication-overuse headache, which can paradoxically increase headache frequency and lead to daily headaches. 7, 6, 1
- If requiring acute treatment more than twice weekly, initiate preventive therapy immediately with propranolol 80-240 mg/day, amitriptyline 30-150 mg/day, or divalproex sodium. 7, 1
Combination Therapy Enhancement
- Combining eletriptan (or any triptan) with naproxen sodium 500 mg or ibuprofen provides greater net benefit than either agent alone, with 130 more patients per 1000 achieving sustained pain relief at 48 hours. 7, 1
- This combination represents the strongest recommendation from 2025 guidelines for moderate to severe migraine attacks. 7