CClinicalTrials.gg
CompletedNCT04080856GRACEUpdated Sep 28, 2022

Real-World Experience Study of Elagolix For the Treatment of Endometriosis in Canada

An observational study in Endometriosis, sponsored by AbbVie. Completed at 18 sites in Canada. Open to female participants aged 18 Years to 50 Years. Per ClinicalTrials.gov, last updated 2022-09-28.

Sponsored by AbbVie · Observational

Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
100
Ages
18 Years to 50 Years
Sex
Female
01

Study summary

The objective of this study is to evaluate real-world effectiveness of elagolix in Canadian women with endometriosis.

02

Conditions studied

  • Endometriosis

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Keywords

  • Endometriosis
  • Elagolix
  • Real-World
  • Effectiveness
03

In context

Endometriosis

901 studies on the registry are indexed under Endometriosis; 259 are open to participants now.

This study's enrollment of 100 is below the median of 128 across 344 observational studies indexed under Endometriosis.

Browse Endometriosis studies →

Lead sponsor

AbbVie is the lead sponsor of 953 studies on the registry; 136 are open to participants now.

Of its 350 completed or terminated interventional studies of FDA-regulated products, 210 (60%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 50 Years
Sexes eligible
Female
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

Premenopausal participants with endometriosis

Inclusion criteria

  • Prescribed elagolix as part of standard treatment
  • Naive to elagolix prior to starting this study or have stopped taking elagolix for 2 months prior to the start of this study
  • Symptomatic endometriosis (clinically or surgically diagnosed) including currently experiencing dysmenorrhea
  • Has provided written informed consent allowing the use of their data for the study

Exclusion criteria

Exclusion Criteria:

  • Did not consent
  • Cannot fill out questionnaires
  • Prescribed elagolix for a period of 1 or 2 months only
  • Post-menopausal (naturally or surgically)
  • Symptomatic uterine fibroid(s)
  • Had medical treatment for uterine fibroids (any length of treatment)
05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
100 participants (actual)

Groups and cohorts

  • Participants with endometriosis

    Premenopausal participants with endometriosis receiving elagolix in real-world setting

06

What researchers measure

Primary outcomes

  1. Change in Dysmenorrhea Score

    Dysmenorrhea is evaluated through 11-point numeric rating scale (NRS), where 0 = no pain and 10 = worst imaginable pain

    Time frame: From Baseline (Month 0) to Month 6

Secondary outcomes

  1. Percentage of Participants With Patient Global Impression of Change (PGIC) Response

    PGIC is a questionnaire-based assessment of endometriosis-related pain is since initiation of study drug.

    Time frame: Up to approximately 18 months

  2. Percentage of Participants With Clinician's Global Impression of Change (CGIC) Response

    CGIC score is summarized assessment of clinical diagnosis of patient's illness by clinician in relative to a baseline state.

    Time frame: Up to approximately 18 months

  3. Change From Baseline in Non-Menstrual Pelvic Pain (NMPP)

    The NMPP pain scale ranges from 0 (none) to 3 (severe) as recorded in a daily electronic diary.

    Time frame: From Baseline (Week 0) to approximately 18 months

  4. Change From Baseline in Dyspareunia Score

    Dyspareunia pain scale ranges from 0 (absent) to 3 (severe).

    Time frame: From Baseline (Week 0) to approximately 18 months

  5. Change From Baseline in Pelvic Pain During Periods

    Change in pelvic pain is patient reported questionnaire to rate the severity of pelvic pain during periods on the scale of 0 to 10, where 0 = no pain and 10 = worst imaginable pain.

    Time frame: From Baseline (Week 0) to approximately 18 months

  6. Change from Baseline in Bleeding and Menstrual Cycle

    Uterine bleeding was reported by participants during the study using the e-Diary.

    Time frame: From Baseline (Week 0) to approximately 18 months

  7. Percentage of Participants With Change in Dosing Schedule

    Percentage of participants who change dose as well as the reasons for change will be tabulated.

    Time frame: Up to approximately 18 months

  8. Change from Baseline in Morisky Medication Adherence Scale (MMAS)

    The Morisky Medication Adherence Scale (MMAS) is a 4-item questionnaire assessing the risk of non-adherence to medications.

    Time frame: From Baseline (Week 0) to approximately 18 months

  9. Percentage of Participants Using Concomitant Medications/Treatments

    Percentage of participants using concomitant medications/treatments is assessed.

    Time frame: Up to approximately 18 months

  10. Percentage of Participants Using Other Medications/Treatments

    Percentage of participants using other medications/treatments for endometriosis is assessed.

    Time frame: Up to approximately 18 months

  11. Percentage of Participants Using Pain/Rescue Medications

    Percentage of participants using pain/rescue medications is assessed.

    Time frame: Up to approximately 18 months

  12. Percentage of Participants Using Add-Back

    Percentage of participants with use of add-back is reported

    Time frame: Up to approximately 18 months

  13. Change from Baseline in Endometrial Health Profile (EHP)-30

    EHP-30 is a disease-specific self-administered questionnaire used to measure health related QoL in women with endometriosis. EHP-30 covers 5 dimensions: pain, control and powerlessness, social support, emotional wellbeing, and self-image.

    Time frame: From Baseline (Week 0) to approximately 12 months

  14. Change from Baseline in Endometrial Health Profile (EHP)-5

    EHP-5 is a disease-specific self-administered questionnaire used to measure health related QoL in women with endometriosis.

    Time frame: Up to approximately 6 months post-treatment (Month 12)

  15. Change from Baseline in Work Productivity and Activity Impairment (WPAI)

    WPAI questionnaire is used to measure the effect of general health and symptom severity on work productivity and regular activities during the past seven days.

    Time frame: From Baseline (Week 0) to approximately 18 months

07

Study locations

18 sites
  • South Health Campus Rheumatology Clinic /ID# 213065
    Calgary, Alberta T3M 1M4, Canada
  • Aubrey D. Uretsky Professional Corporation /ID# 214753
    Edmonton, Alberta T5T 1L6, Canada
  • BC Women's Hospital /ID# 214561
    Vancouver, British Columbia V6H 2N9, Canada
  • Strand Clinic /ID# 213567
    St. John's, Newfoundland and Labrador A1A 4Y3, Canada
  • IWK Health Center /ID# 213066
    Halifax, Nova Scotia B3K 6R8, Canada
  • Hamilton Health Sciences - McMaster University Medical Centre /ID# 213496
    Hamilton, Ontario L8S 4K1, Canada
  • Dr. George A. Vilos Medicine Professional Corporation /ID# 214497
    London, Ontario N5X 2N7, Canada
  • Ottawa Hospital Research Institute /ID# 213608
    Ottawa, Ontario K1H 8L6, Canada
  • Medicor Research Inc /ID# 213467
    Sudbury, Ontario P3A 1W8, Canada
  • Sunnybrook Health Sciences Ctr /ID# 214330
    Toronto, Ontario M4N 3M5, Canada
  • Unity Health Toronto - St. Michael's Hospital /ID# 213590
    Toronto, Ontario M5B 1W8, Canada
  • CISSS - Hôpital de Gatineau /ID# 212944
    Gatineau, Quebec J8P 7H2, Canada
  • Jessima R&D Inc. /ID# 212943
    Lasalle, Quebec H8N 1T9, Canada
  • Clinique de Gynecologie-Obstetrique Pierre Boucher /ID# 213064
    Longueuil, Quebec J4N 1C2, Canada
  • CIUSSS de l'est de l'Ile-de-Montreal - Hopital Maisonneuve-Rosemont /ID# 213439
    Montreal, Quebec H1T 2M4, Canada
  • Jewish General Hospital /ID# 215728
    Montreal, Quebec H3T 1E2, Canada
  • Duplicate_Brunswick Medical /ID# 214743
    Montréal, Quebec H4A 3T2, Canada
  • CHU de Quebec-Université Laval hôpital CHUL /ID# 213677
    Québec, Quebec G1V 4G2, Canada
08

References and documents

Individual participant data

Plan to share: Undecided

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Sep 28, 2022, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT04080856
Lead sponsor
AbbVie
Responsible party
Sponsor
First posted
Sep 6, 2019
Start date
Dec 4, 2019
Primary completion
Sep 27, 2021
Completion
Sep 27, 2021
Last update
Sep 28, 2022

Study contacts

ABBVIE INC.
study director · AbbVie

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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