A Study to Evaluate the Efficacy and Safety of Fremanezumab for Preventive Treatment of Migraine in Patients With Major Depressive Disorder

The HAM-D 17 is a list of 17 items used to determine a participant's level of depression. The HAM-D total score comprises a sum of the 17 individual item scores. 8 items scored in a range of 0 (none/absent) to 2 (severe symptom) include: Insomnia (early, middle, late), somatic symptoms (gastrointestinal and general), genital symptoms, loss of weight, and insight. The following 9 items are scored in a range of 0 (none/absent) to 4 (severe symptom): Agitation, depressed mood, feelings of guilt, suicide, work and activities, retardation, anxiety (psychic and somatic), and hypochondriasis. The HAM-D17 total score is calculated as the sum of the 17 individual symptom scores; the total score can range from 0 to 52. Higher HAM-D17 scores indicate more severe depression. LS mean was calculated using mixed-effects model for repeated measures (MMRM).

A migraine day was defined as when at least 1 of the following situations occurred: A calendar day (0:00 to 23:59) demonstrating at least 4 consecutive hours of a headache meeting criteria for migraine with or without aura; a calendar day (0:00 to 23:59) demonstrating at least 4 consecutive hours of a headache meeting criteria for probable migraine, a migraine subtype where only 1 migraine criterion was missing; a calendar day (0:00 to 23:59) demonstrating a headache of any duration that was treated with migraine-specific medications (triptans and ergot compounds); and a calendar day (00:00 to 23:59) that was immediately consecutive of any day fulfilling the 3 criteria above, where participants report headache of any duration. Monthly averages were derived and normalized to 28 days equivalent by formula: (number of days of efficacy variable over 12 week period/number of days with assessments recorded in e-diary for 12 week period)*28.

The MSQoL version 2.1 is a 14-item questionnaire that assesses the impact of migraine and migraine treatment on a participant's quality of life during the previous 4 weeks. Each item is scored on a 6-point scale where: 1=none of the time to 6=all of the time. The MSQoL measures the degree to which performance of normal activities is limited by migraine (Role Function-Restrictive domain comprising 7 items; score range 7 to 42), the degree to which performance of normal activities is prevented by migraine (Role Function-Preventive domain comprising 4 items; score range 4 to 24), and the emotional effects of migraine (Emotional Function domain comprising 3 items; score range 3 to 18). Total raw scores for each domain is the sum of the final item value for all of the items in that domain. After the total raw score is computed for each domain, they are transformed to a 0-100 scale with higher scores indicating a better health-related quality of life. LS mean was calculated using MMRM.

The CGI-S is a short questionnaire filled out by the investigator that rates a participant's mental health from 1 (normal, not at all ill) to 7 (among the most extremely ill participants).

Migraine related disability was assessed using the HIT-6. The questionnaire measures the adverse impact of headache on social functioning, role functioning, vitality, cognitive functioning, and psychological distress. It also assesses headache severity. Each question was answered on the scale ranging with the following response options: 6 points (never), 8 points (rarely), 10 points (sometimes), 11 points (very often), and 13 points (always). The total score was obtained from summation of the 6 question points. The HIT-6 total score ranges between 36 and 78, with higher scores reflecting greater impact.

An adverse event (AE) was defined as any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. Serious AEs (SAEs) were defined as death, a life-threatening AE, inpatient hospitalization or prolongation of existing hospitalization, persistent or significant disability or incapacity, a congenital anomaly or birth defect, or an important medical event that jeopardized participant and required medical intervention to prevent 1 of the outcomes listed in this definition. AEs were considered TEAEs if onset occurred on or after the first dose date. A summary of other non-serious AEs and all serious AEs, regardless of causality is located in Reported AE section.

Criteria for potentially clinically significant vital signs values: Pulse: ≥120 beats per minute (bpm) and increase from baseline of ≥15 bpm or ≤50 bpm and decrease from baseline of ≥15 bpm; Systolic blood pressure (SBP): ≥180 millimeters of mercury (mmHg) and increase from baseline of ≥20 mmHg or ≤90 mmHg and decrease from baseline of ≥20 mmHg; Diastolic blood pressure (DBP): ≥105 mmHg and increase from baseline of ≥15 mmHg or ≤50 mmHg and decrease from baseline of ≥15 mmHg; Respiratory rate: <10 breaths per minute; and Body temperature: ≥38.3 degrees celsius (ºC) and change from baseline of ≥1.1ºC.

Physical examination included height, weight, general appearance; head, eyes, ears, nose, and throat; chest and lungs; heart; abdomen; musculoskeletal; skin; lymph nodes; and neurological. Clinical significance was per investigator's discretion.

Concomitant medications included agents acting on the renin-angiotensin system, analgesics, antibacterials for systemic use, antihistamines for systemic use, anti-inflammatory and antirheumatic products, beta-blocking agents, drugs for acid related disorder, lipid modifying agents, mineral supplement, other gynecologicals, psychoanaleptics, psycholeptics, sex hormones and modulators of the genital system, thyroid therapy, vaccines, and vitamins.

Concomitant medications for migraine/headache included analgesics, antiepileptics, muscle relaxants, anti-inflammatory and antirheumatic products, agents acting on the renin-angiotensin system, anesthetics, antianemic preparations, antibacterials for systemic use, antihistamines for systemic use, beta-blocking agents, lipid modifying agents, mineral supplement, other gynecologicals, psychoanaleptics, psycholeptics, sex hormones and modulators of the genital system, thyroid therapy, vaccines, vitamins etc.

C-SSRS included responses for Suicidal Ideation or Suicidal Behavior in 10 categories: 1=Wish to be dead; 2=Non-specific active suicidal thoughts; 3=Active suicidal ideation with any methods (not plan) without intent to act; 4=Active suicidal ideation with some intent to act, without specific plan; 5=Active suicidal ideation with specific plan and intent; 6=Preparatory acts or behavior; 7=Aborted attempt; 8=Interrupted attempt; 9=Non-fatal suicide attempt; and 10=Completed suicide. Participants who responded "Yes" to any category were considered Positive, participants who responded "No" for all categories were considered Negative, and participants who were evaluable but did not complete the questionnaire were considered Incomplete. A Positive response was considered as a worse outcome and the investigator determined if further evaluation was needed. Any Suicidal ideation or Suicidal Behavior events reported as TEAEs along with all other reported TEAEs are included in the AE module.