Study to Evaluate the Efficacy and Safety of AMG 301 in Migraine Prevention
Chronic Migraine or Episodic Migraine
About this trial
This is an interventional prevention trial for Chronic Migraine or Episodic Migraine focused on measuring Migraine, Headache, Prevention, Prophylaxis
Eligibility Criteria
Inclusion Criteria:
- Adults ≥ 18 to ≤ 60 years of age at the time of signing the informed consent form.
- History of migraine (with or without aura) for ≥ 12 months before screening according to the International Headache Society (IHS) Classification ICHD-III (Headache Classification Committee of the International Headache Society, 2013)
- Migraine frequency: ≥ 4 migraine days per month on average across the 3 months before screening.
- Failed at least 1 medication for prophylactic treatment of migraine due to tolerability or lack of efficacy
Exclusion Criteria:
- Older than 50 years of age at migraine onset.
- History of cluster headache, hemiplegic migraine headache.
- Unable to differentiate migraine from other headaches.
- Migraine with continuous pain, in which the subject does not experience any pain-free periods (of any duration) during the 1 month before the screening period.
- History or evidence of any other clinically significant disorder, condition or disease that, in the opinion of the investigator or Amgen physician, if consulted, would pose a risk to subject safety or interfere with the study evaluation, procedures or completion.
Sites / Locations
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Arms of the Study
Arm 1
Arm 2
Arm 3
Placebo Comparator
Experimental
Experimental
Placebo
AMG 301 210 mg Q4W
AMG 301 420 mg Q2W
Participants randomized to Placebo were administered 6 subcutaneous (SC) injections on day 1 and weeks 2, 4, 6, 8 and 10 during the 12 week double-blind treatment period.
Participants randomized to AMG 301 210 mg every fourth week (Q4W) received a total of 3 AMG 301 subcutaneous (SC) injections (70 mg/mL in each injection) plus 3 matching placebo injections on day 1 and weeks 4 and 8. Participants also received 6 SC placebo injections on weeks 2, 6, and 10 during the 12 week double-blind treatment period.
Participants randomized to AMG 301 420 mg every second week (Q2W) received a total of 6 AMG 301 subcutaneous (SC) injections (70 mg/mL in each injection) on day 1 and weeks 2, 4, 6, 8, and 10 during the 12 week double-blind treatment period.