Study completion date: Nov 19, 2026 to Nov 17, 2026
MinorEligibility criteria expanded, about 53 words
Secondary endpoints: details revised at 1 of 13 entries
Study description revised
MinorStudy completion date: Nov 15, 2026 to Nov 19, 2026v128
MinorStudy completion date: Nov 23, 2026 to Nov 15, 2026
Secondary endpoints revised (13)
v127
MinorStudy completion date: Oct 13, 2026 to Nov 23, 2026v126
Show 45 earlier versionsHide 45 earlier versions
MinorTrial status: Recruiting to Active, Not Recruitingv125Show 4 more changesShow less
Enrollment target: estimated 436 to confirmed 457
Study sites: 120 to 119
Primary completion date: Dec 19, 2025 to Nov 19, 2025
Study completion date: Dec 17, 2026 to Oct 13, 2026
MinorEnrollment target: 456 to 436
Secondary endpoints: 5 to 13
Study description revised
v124
MinorStudy sites: 119 to 120v123
MinorStudy sites: 120 to 119v122
MinorStudy sites revised (120)v121
MinorStudy sites revised (120)v120
MinorSite details revised at 1 of 120 sitesv119
MinorSite details revised at 1 of 120 sitesv118
MinorStudy sites: 119 to 120
Primary completion date: Mar 18, 2026 to Dec 19, 2025
Study completion date: Feb 10, 2027 to Dec 17, 2026
v117
MinorSite details revised at 1 of 119 sitesv116
MinorStudy sites: 117 to 119v115
MinorSite details revised at 1 of 117 sitesv114
MinorStudy completion date: Jun 8, 2027 to Feb 10, 2027
Study sites revised (117)
v113
MinorSite details revised at 4 of 117 sitesv112
MinorStudy sites: 116 to 117v111
MinorStudy completion date: Jun 8, 2026 to Jun 8, 2027
Site details revised at 1 of 116 sites
v110
MinorPrimary completion date: May 6, 2026 to Mar 18, 2026
Study completion date: May 5, 2027 to Jun 8, 2026
Site details revised at 1 of 116 sites
v109
MinorStudy sites revised (116)v108
MinorStudy sites revised (116)v107
MinorStudy sites: 115 to 116v106
MinorStudy sites: 114 to 115v105
MinorStudy sites: 113 to 114v104
MinorStudy sites: 112 to 113v103
MinorPrimary completion date: Jun 17, 2026 to May 6, 2026
Study completion date: Jul 29, 2027 to May 5, 2027
Study sites revised (112)
v102
MinorStudy sites revised (112)v101
MinorSite details revised at 1 of 112 sitesv100
MinorStudy sites revised (112)v99
MinorStudy sites: 111 to 112v98
MinorStudy sites revised (111)v97
MinorSite details revised at 2 of 111 sitesv96
MinorSite details revised at 1 of 111 sitesv95
MinorStudy sites: 110 to 111v94
MinorRe-verified, no change to tracked fieldsv93
NotablePrimary endpoint revisedv92Show 5 more changesShow less
Study sites: 109 to 110
Secondary endpoints: 6 to 5
Study description expanded, about 7 words
Study title revised
Eligibility criteria expanded, about 4 words
MinorStudy sites: 106 to 109v91
MinorSite details revised at 1 of 106 sitesv90
MinorStudy sites: 105 to 106v89
MinorStudy sites: 104 to 105v88
MinorStudy sites: 102 to 104v87
MinorStudy sites: 101 to 102v86
MinorStudy sites: 99 to 101
Primary completion date: May 6, 2026 to Jun 17, 2026
Study completion date: May 5, 2027 to Jul 29, 2027
v85
MinorStudy sites: 98 to 99v84
MinorSite details revised at 1 of 98 sitesv83
MinorStudy sites: 96 to 98v82
MinorStudy sites: 95 to 96v81
Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
Minor: routine progress and housekeeping, such as sites added or enrollment closed.
This study will evaluate the efficacy and safety of erenumab in migraine prevention in children (6 to \<12 years) and adolescents (12 to \<18 years) with episodic migraine. The study hypothesis is that in pediatric participants with episodic migraine, the combined erenumab dose group has a greater reduction from baseline to week 9 through week 12 (month 3) in monthly migraine days (MMDs) when compared with placebo in the double-blind treatment phase (DBTP).