Emgality ® (galkanezumab)

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Emgality® ▼ (galcanezumab): Respons i kliniska studier av migränförebyggande

Patienter som behandlats med galcanezumab hade signifikant större minskningar i månatliga migrändagar jämfört med patienter som behandlats med placebo.


Phase 3 Migraine Prevention Program

Galcanezumab has been studied in phase 3 randomized, double-blind, placebo-controlled studies in adult patients for the prevention of

  • episodic migraine (EVOLVE-1 and EVOLVE-2)1,2
  • chronic migraine (REGAIN),3 and
  • episodic or chronic migraine that has not benefited from 2 to 4 previous migraine prevention medication categories (CONQUER).4

Galcanezumab has also been studied in a phase 3, open-label, 12-month safety study (CGAJ) for the prevention of episodic or chronic migraine.5

The galcanezumab doses used and duration of the migraine prevention studies are summarized in Summary of Study Design in the Migraine Prevention Studies.

Summary of Study Design in the Migraine Prevention Studiesa


GMB Doses Studied

Study Duration

EVOLVE Studies1,2

120 mg monthlyb
240 mg monthly

6 months double-blind


120 mg monthlyb
240 mg monthly

3 months double-blind,
with optional 9-month open-label extension


120 mg monthlyb

3 months double-blind, 
with optional 3-month open-label extension


120 mg monthlyb
240 mg monthly

12 months open-label

Abbreviation: GMB = galcanezumab.

aWith the exception of study CGAJ, all studies were randomized, double-blind, and placebo-controlled.

bThe initial dose was administered as a 240 mg loading dose, followed by subsequent monthly doses of 120 mg.

Note: The recommended dose is 120 mg galcanezumab injected subcutaneously once monthly, with a 240 mg loading dose as the initial dose .6 The results of a maintenance dose of galcanezumab 240 mg once monthly are also described here. Even though this dose has been tested in pivotal studies, it has not been approved and therefore is not recommended.

The primary endpoint was the overall mean change from baseline in the number of monthly migraine headache days over

  • 6 months for the EVOLVE-1 and EVOLVE-2 studies,1,2 and
  • 3 months for the REGAIN and CONQUER studies.3,4

In the 12-month, open-label, safety study, the primary endpoint was the long-term safety and tolerability of galcanezumab for up to 12 months of treatment.5

Key Efficacy Results

Galcanezumab met the primary endpoint in the double-blind, placebo controlled phase 3 studies of galcanezumab for the prevention of episodic and chronic migraine.1-4 

In these studies, patients treated with galcanezumab experienced a significantly greater decrease in the number of monthly migraine headache days compared to patients treated with placebo over 

  • the 6-month double-blind treatment period in the EVOLVE studies,1,2and
  • the 3-month double-blind treatment period in the REGAIN and CONQUER studies.3,4 

These results are summarized in Overall Mean Change From Baseline in Monthly Migraine Headache Days.

Overall Mean Change From Baseline in Monthly Migraine Headache Days


120 mg

240 mg



– 4.7 daysb

 4.6 daysb

 2.8 days


 4.3 daysb

 4.2 daysb

 2.3 days


 4.8 daysb

 4.6 daysb

 2.7 days


− 4.1 dayse


− 1.0 days

Abbreviation: N/A = not applicable.

aMonths 1 to 6; episodic migraine.

bp<.001 vs placebo.

cMonths 1 to 3; chronic migraine.

dMonths 1 to 3; episodic or chronic migraine that has not benefited from 2 to 4 previous migraine prevention medication categories.

ep<.0001 vs placebo.

In the double-blind, placebo-controlled studies, patients treated with galcanezumab experienced statistically significant improvement compared to placebo on several prespecified secondary endpoints, including response rates and measures of daily activities.1-4

Efficacy measures were a secondary objective in the 12-month, open-label safety study.5 In study CGAJ, the overall reduction in monthly migraine headache days over 12 months was 5.6 days for galcanezumab 120 mg and 6.5 days for galcanezumab 240 mg. The reduction in monthly migraine headache days was evident at month 1 and was maintained throughout the treatment period. This study was not blinded nor placebo-controlled, and results should be interpreted with these factors in mind.

Key Safety Results

The EVOLVE-1, EVOLVE-2, and REGAIN studies were the pivotal studies and safety results have been integrated resulting in a pooled analysis of 2886 adult patients, comprised of a total of 1435 patients that received monthly doses of galcanezumab (120 mg or 240 mg) administered subcutaneously.7

The most commonly reported TEAEs in the integrated safety analysis were injection site reactions, including pain ( ).7 Constipation, pruritis (not associated with injection site) and vertigo were also considered to be adverse events associated with galcanezumab treatment.

Commona TEAEs Reported ≥2% Among Galcanezumab-Treated Patients During Phase 3 Double-Blind Treatment8,9


n (%)

GMB 120 mg
n (%)

GMB 240mg
n (%)

GMB Pooled
n (%)

Injection site pain

138 (9.5)

71 (10.1)

85 (11.6)

156 (10.9)


94 (6.5)

52 (7.4)

31 (4.3)b

83 (5.8)


60 (4.1)

31 (4.4)

36 (4.9)

67 (4.7)

Injection site reaction

14 (1.0)

22 (3.1)c

45 (6.2)c

67 (4.7)c


41 (2.8)

20 (2.8)

20 (2.7)

40 (2.8)

Injection site erythema

20 (1.4)

20 (2.8)b

29 (4.0)c

49 (3.4)c


31 (2.1)

20 (2.8)

19 (2.6)

39 (2.7)


33 (2.3)

19 (2.7)

18 (2.5)

37 (2.6)


34 (2.3)

17 (2.4)

16 (2.2)

33 (2.3)

Injection site pruritis

2 (0.1)

15 (2.1)c

24 (3.3)c

39 (2.7)c

Neck pain

21 (1.5)

15 (2.1)

6 (0.8)

21 (1.5)

Abdominal pain

24 (1.7)

13 (1.8)

6 (0.8)

19 (1.3)


19 (1.3)

12 (1.7)

13 (1.8)

25 (1.7)

Oropharyngeal pain

13 (0.9)

10 (1.4)

12 (1.6)

22 (1.5)


17 (1.2)

9 (1.3)

11 (1.5)

20 (1.4)


34 (2.3)

8 (1.1)

20 (2.7)

28 (2.0)


8 (0.6)

7 (1.0)

11 (1.5)b

18 (1.3)b


14 (1.0)

7 (1.0)

12 (1.6)

19 (1.3)

Abbreviations: GMB = galcanezumab; PBO = placebo; TEAE = treatment-emergent adverse event; URTI = upper respiratory tract infection; UTI = urinary tract infection.

a≥2% after rounding (at least 1.5% before rounding) in any galcanezumab-treated group and greater than placebo.

bp<.05 vs placebo.

cp<.001 vs placebo.

The CONQUER study was not included in the integrated safety analysis. While the safety profile in the CONQUER study was consistent with the established safety profile of galcanezumab, the most commonly reported TEAE  in this study was nasopharyngitis.4

Study CGAJ was used to evaluate longer term safety, which showed that the incidence rates for TEAE adjusted for exposure did not increase with longer treatment duration.7


1Stauffer VL, Dodick DW, Zhang Q, et al. Evaluation of galcanezumab for the prevention of episodic migraine: the EVOLVE-1 randomized clinical trial. JAMA Neurol. 2018;75(9):1080-1088. http://dx.doi.org/10.1001/jamaneurol.2018.1212

2Skljarevski V, Matharu M, Millen BA, et al. Efficacy and safety of galcanezumab for the prevention of episodic migraine: results of the EVOLVE-2 phase 3 randomized controlled clinical trial. Cephalalgia. 2018;38(8):1442-1454. http://dx.doi.org/10.1177/0333102418779543

3Detke HC, Goadsby PJ, Wang S, et al. Galcanezumab in chronic migraine: the randomized, double-blind, placebo-controlled REGAIN study. Neurology. 2018;91(24):e2211-e2221. http://dx.doi.org/10.1212/WNL.0000000000006640

4Mulleners WM, Kim B-K, Láinez MJA, et al. Safety and efficacy of galcanezumab in patients for whom previous migraine preventive medication from two to four categories had failed (CONQUER): a multicentre, randomised, double-blind, placebo-controlled, phase 3b trial. Lancet Neurol. 2020;19(10):814-825. http://dx.doi.org/10.1016/S1474-4422(20)30279-9

5Camporeale A, Kudrow D, Sides R, et al. A phase 3, long-term, open-label safety study of galcanezumab in patients with migraine. BMC Neurol. 2018;18(1):188. http://dx.doi.org/10.1186/s12883-018-1193-2

6Emgality [summary of product characteristics]. Eli Lilly Nederland B.V., The Netherlands.

7Bangs ME, Kudrow D, Wang S, et al. Safety and tolerability of monthly galcanezumab injections in patients with migraine: integrated results from migraine studies. BMC Neurol. 2020;20(1):25. http://dx.doi.org/10.1186/s12883-020-1609-7. Published correction appears in BMC Neurol. 2020;20(1):90. http://dx.doi.org/10.1186/s12883-020-01675-7

8Stauffer VL, Wang S, Bangs M, et al. Phase 3 safety data from studies comparing galcanezumab and placebo in patients with episodic and chronic migraine. Poster presented at: European Academy of Neurology (EAN) – 4th Congress; June 16-19, 2018; Lisbon, Portugal.

9Data on file, Eli Lilly and Company and/or one of its subsidiaries.


CM = Chronic Migraine

EM = Episodic Migraine

MHD = migraine headache day

TEAE = treatment-emergent adverse event

This medicinal product is subject to additional monitoring. This will allow quick identification of new safety information. Healthcare professionals are asked to report any suspected adverse reactions.

Datum fӧr senaste ӧversyn August 28, 2020

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