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Perceived experiences of people with severe haemophilia A switching from factor VIII prophylaxis to emicizumab

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09 set 2025
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Figure 1.

Non-interventional study and HemiNorth2 study designInterviews were conducted during week 48 of the HemiNorth 2 study.
Non-interventional study and HemiNorth2 study designInterviews were conducted during week 48 of the HemiNorth 2 study.

Demographic and medical data of participants*

Participants (n=9)
DEMOGRAPHIC CHARACTERISTICS
Mean (SD) age, years 33.1 (12.1)
Family situation, n (%) Married/Cohabiting 5 (55.5)
Single 4 (44.4)
Education, n (%) Elementary school 1 (11.1)
Upper secondary school 5 (55.5)
College/University 3 (33.3)
CLINICAL CHARACTERISTICS
Treatment before switch, n (%) Prophylaxis with SHL 4 (44.4)
Prophylaxis with EHL 5 (55.6)
Mean (SD) duration of emicizumab treatment (weeks) 47.3 (3.3)
Emicizumab treatment regimen Once weekly 8 (88.9)
Every 2 weeks 1 (11.1)
Every 4 weeks 0
Target joints at baseline, n (%) 2 (22.2)
Mean calculated ABR before switch (95% CI) 10.0 (4.79–18.38)
Mean calculated ABR after switch (95% CI) 2.0 (0.25–7.27)
Joint health (based on HEAD-US scores42) at baseline, n (%) Healthy joints 4 (44.4)
Synovitis 4 (44.4)
  Synovitis only 1 (11.1)
  Synovitis and OCD 3 (33.3)
OCD only 1 (11.1)

Categories and sub-categories of participant responses

CATEGORIES SUB-CATEGORIES
Adapting to a new reality Learning the new treatment
The treatment takes less time and space in life
New difficulties and different pain
A feeling of normality Changed situation in professional life
New prerequisites for physical activity
Hope for the future
Shattered expectations The disease persists
The difference may not be significant