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Erenumab

Phase 3

Episodic Migraine | Monoclonal antibody | Neurology |Novartis AG|Last Updated: Oct 16, 2025

Success Probability

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment900

FDA Designations

No designations recorded

Clinical trial landscape

Erenumab · 2 trials · 2 indications

Phase 3 2
NCT03867201Study of Efficacy and Safety of Erenumab in Adult Chronic Migraine PatientsMigraine
COMPLETED557 Analytics
NCT03333109Study of Efficacy and Safety of AMG 334 in Adult Episodic Migraine PatientsEpisodic Migraine
COMPLETED900 Analytics
PHASE3COMPLETED
Study of Efficacy and Safety of Erenumab in Adult Chronic Migraine Patients
MigraineUnlock trial analytics
PHASE3COMPLETED
Study of Efficacy and Safety of AMG 334 in Adult Episodic Migraine Patients
Episodic MigraineUnlock trial analytics

Study Endpoints

Primary Endpoints

Change From Baseline in Monthly Migraine Days During the Last 4 Weeks of the 12-week Treatment Period
baseline (4 weeks period prior to start of study drug), week 9 to 12

A migraine day was defined as any calendar day in which the subject experienced a qualified migraine headache (onset, continuation, or recurrence of the migraine headache). A qualified migraine headache was defined as a migraine with or without aura, lasting for ≥4 continuous hours, and meeting at least one of the following criteria: 1. ≥2 of the following pain features: * Unilateral * Throbbing * Moderate to severe * Exacerbated with exercise/physical activity 2. ≥1 of the following associated symptoms: * Nausea and/or vomiting * Photophobia and phonophobia

Change From Baseline in Monthly Migraine Days at the Last Month (Month 3) of the Double-blind Treatment Period (DBTP)
Baseline up to Month 3

A migraine day was defined as any calendar day in which the subject experienced a qualified migraine headache defined as a migraine with or without aura, lasting for ≥ 30 minutes, and meeting at least one of the following criteria: 1. ≥ 2 of the following pain features: unilateral, throbbing, moderate to severe or exacerbated with exercise/physical activity 2. ≥ 1 of the following associated symptoms: nausea and/or vomiting, photophobia and phonophobia

Secondary Endpoints

Change From Baseline in Migraine-related Disability and Productivity as Measured by the mMIDAS During the Last 4 Weeks of the 12-week Treatment Period
baseline (4 weeks period prior to start of study drug), week 9 to 12
Number of Participants With at Least 50% Reduction From Baseline in Monthly Migraine Days During the Last 4 Weeks of the 12-week Treatment Period
baseline (4 weeks period prior to start of study drug), week 9 to 12
Change From Baseline in Monthly Acute Headache Medication Days During the Last 4 Weeks of the 12-week Treatment Period
baseline (4 weeks period prior to start of study drug), week 9 to 12
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Study Design & Arms

AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
ErenumabEXPERIMENTALAdministered by pre-filled syringe
PlaceboPLACEBO_COMPARATORAdministered by pre-filled syringe
AMG334 70 mgEXPERIMENTALAMG334 70 mg: one pre-filled syringe containing 70 mg of erenumab plus one pre-filled syringe of identical placebo administered subcutaneous every 28 days
AMG334 140 mgEXPERIMENTALAMG334 140 mg: two pre-filled syringe containing 70 mg each of erenumab administered subcutaneous every 28 days

Interventions

NameTypeDescription
ErenumabBIOLOGICALAdministered by pre-filled syringe
PlaceboOTHERAdministered by pre-filled syringe
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Eligibility Criteria

Age Range18 Years to 65 Years
SexALL
Healthy VolunteersNo
Study Sites63

key inclusion Criteria: 1. History of at least 5 attacks of migraine 2. ≥ 15 headache days of which ≥ 8 headache days meet criteria as migraine days during the baseline period 3. \>=80% diary compliance during the baseline period Key exclusion Criteria: 1. Older than 50 years of age at migraine o...

Countries:ChinaIndiaMalaysiaPhilippinesSingaporeSouth KoreaTaiwanThailandVietnamArgentinaLebanonMexico
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Frequently asked questions about Erenumab

What is Erenumab used for in migraine?

Erenumab is a monoclonal antibody used for migraine, including episodic migraine. It is an investigational therapy in Phase 3 clinical development for the prevention of migraine episodes. Erenumab is being studied in adult patients with episodic migraine and chronic migraine.

What does Erenumab target?

Erenumab targets the calcitonin gene-related peptide receptor, which plays a role in migraine pathophysiology. By blocking this receptor, Erenumab aims to reduce the frequency of migraine episodes. This mechanism is being evaluated in clinical trials for episodic and chronic migraine.

Who makes Erenumab?

Erenumab is being developed by Novartis AG, a multinational pharmaceutical company listed on the New York Stock Exchange under the ticker symbol NVS. Novartis is conducting Phase 3 clinical trials to evaluate the efficacy and safety of Erenumab in patients with migraine.

What phase is Erenumab in?

Erenumab is in Phase 3 clinical development. It is an investigational drug and has not been approved by regulatory authorities. Two Phase 3 trials have been completed, one in episodic migraine and one in chronic migraine, but Erenumab remains under investigation.

What clinical trials is Erenumab in?

Erenumab has been studied in two completed Phase 3 trials. NCT03333109 enrolled 900 adults with episodic migraine across multiple countries. NCT03867201 enrolled 557 adults with chronic migraine. Both trials were randomized, double-blind, and placebo-controlled, evaluating efficacy and safety.

Is Erenumab the same as AMG 334?

Erenumab is also known as AMG 334. The clinical trial NCT03333109, titled 'Study of Efficacy and Safety of AMG 334 in Adult Episodic Migraine Patients,' refers to Erenumab by its alternative name. Both names refer to the same investigational monoclonal antibody for migraine.