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Eletriptan

Phase 3

Migraine With or Without Aura | Small molecule | Neurology |Pfizer, Inc.|Last Updated: Jan 28, 2021

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials4
Total Enrollment3,929
FDA Designations
No designations recorded
Clinical Trials (4)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01989936Eletriptan for the Treatment of Migraine in Patients With Previous Poor Response or Tolerance to Oral SumatriptanPHASE3 COMPLETED 446Jan 1, 1999Sep 1, 2000Jan 27, 202143 Denmark, Finland +3
NCT01986270Comparative Study of Oral Eletriptan (40mg and 80mg), Oral Sumatriptan (25mg and 50mg) and PlaceboPHASE3 COMPLETED 1,141Dec 1, 1996Jan 1, 1998Jan 28, 2021 -
NCT01986088Eletriptan vs Sumatriptan: A Double-blind, Placebo-controlled, Multiple Migraine Attack StudyPHASE3 COMPLETED 1,008Nov 1, 1996Jan 1, 1998Jan 28, 2021 -
NCT01978496Efficacy, Safety, and Tolerability of Oral Eletriptan for Treatment of Acute MigrainePHASE3 COMPLETED 1,334Jul 1, 1996Dec 1, 1997Jan 28, 2021 -
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Study Endpoints
Primary Endpoints
The primary efficacy endpoint was 2-h headache response after taking the first dose of study medication for the first attack
18 weeks

Subjects recorded the intensity of each migraine headache in the diary based on a 4-point scale: 0, pain absent; 1, mild pain; 2, moderate pain; 3, severe pain. A response was considered a change from severe or moderate pain to mild or absent at various time points after dosing with study medication

Headache response at 1 hour after the first dose for the first attack.
1 hour

Headache response was defined as improvement from a severe or moderate headache at baseline to either a mild or absent headache post-dose.

Headache response at 1 hour after treatment of the first attack.
1 hour

Headache response was defined as improvement from a severe or moderate headache at baseline to either a mild or absent headache post-dose.

Headache responder rate at two hours after the first dose for the first attack.
2 hours

A headache response was defined as a subject having improvement in headache severity from grade 2 or 3 at baseline to 0 or 1 at two hours post-dose.

Secondary Endpoints
Sustained response was defined as achieving a headache response within 2 h post dose, with no recurrence or rescue medication needed
18 weeks
Pain-free response at 1 hour after the first dose for the first attack.
1 hour
Headache severity
.5, 1, 2, 4 and 24 hours
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
PlaceboPLACEBO_COMPARATOR -
Eletriptan 40 mgEXPERIMENTAL -
Eletriptan 80 mgEXPERIMENTAL -
Sumatriptan 25 mgEXPERIMENTAL -
Sumatriptan 50 mgEXPERIMENTAL -
Sumatriptan 100 mgEXPERIMENTAL -
Eletriptan 20 mgEXPERIMENTAL -
Interventions
NameTypeDescription
PlaceboDRUGSubjects were randomized to one of the 3 treatment groups (eletriptan 40 mg, eletriptan 80 mg, or placebo) in a 2:2:1 ratio and were given sufficient medication to treat 3 migraine attacks (including a second dose for each attack for recurrence) within 18 weeks of the initial visit. Subjects were instructed to treat a moderate to severe migraine within 6 hours of the onset of pain provided the headache was not decreasing in severity, the aura phase had ended and they had taken no analgesic or antiemetic within 6 hours. Efficacy data was collected in a diary. Subjects were allowed to take rescue medication if they had no response to the study medication within 4 hours of onset.
Eletriptan 40 mgDRUGSubjects were randomized to one of the 3 treatment groups (eletriptan 40 mg, eletriptan 80 mg, or placebo) in a 2:2:1 ratio and were given sufficient medication to treat 3 migraine attacks (including a second dose for each attack for recurrence) within 18 weeks of the initial visit. Subjects were instructed to treat a moderate to severe migraine within 6 hours of the onset of pain provided the headache was not decreasing in severity, the aura phase had ended and they had taken no analgesic or antiemetic within 6 hours. Efficacy data was collected in a diary. Subjects were allowed to take rescue medication if they had no response to the study medication within 4 hours of onset.
Eletriptan 80 mgDRUGSubjects were randomized to one of the 3 treatment groups (eletriptan 40 mg, eletriptan 80 mg, or placebo) in a 2:2:1 ratio and were given sufficient medication to treat 3 migraine attacks (including a second dose for each attack for recurrence) within 18 weeks of the initial visit. Subjects were instructed to treat a moderate to severe migraine within 6 hours of the onset of pain provided the headache was not decreasing in severity, the aura phase had ended and they had taken no analgesic or antiemetic within 6 hours. Efficacy data was collected in a diary. Subjects were allowed to take rescue medication if they had no response to the study medication within 4 hours of onset.
Sumatriptan 25 mgDRUG25mg oral
Sumatriptan 50 mgDRUG50mg oral
Sumatriptan 100 mgDRUG100mg oral
Eletriptan 20 mgDRUG20mg oral
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Eligibility Criteria
Age Range18 Years — 68 Years
SexALL
Healthy VolunteersNo
Study Sites43

Inclusion Criteria: * Male and female subjects age ≥ 18 years who met the International Headache Society (IHS) diagnostic criteria for migraine, with or without aura, and could reasonably expect to suffer at least one acute attack of migraine every 6 weeks. * Subjects required to have discontinued ...

Countries:DenmarkFinlandNetherlandsNorwaySweden
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