Case Study · Rare Disease
Rare Disease Specialty Therapy Study
15 markets · Specialists & diagnosed patients

Markets
15
Qualitative
100 interviews
Quantitative
Online HCP survey
Focus
Low-incidence
Project overview
At a glance
Country-level feasibility and highly targeted screening to reach specialist physicians and appropriately diagnosed patients for a specialty biologic therapy in a rare autoimmune disorder.
- Audience
- Rheumatologists, immunologists, neurologists, dermatologists and internal-medicine specialists, specialist nurses and genetic counsellors, plus confirmed, newly diagnosed, treatment-experienced and treatment-naïve patients and caregivers.
- Markets
- USA · Canada · UK · Germany · France · Italy · Spain · Switzerland · UAE · Saudi Arabia · Japan · South Korea · India · Australia · Brazil
- Methodology
- 40 specialist-physician IDIs, 20 specialist-nurse interviews, 30 patient IDIs and 10 caregiver interviews, plus an online HCP survey.
The brief
Understand the diagnosis and treatment journey for patients with a low-incidence autoimmune condition, requiring access to both specialist physicians and appropriately diagnosed patients.
Research focus
What the study explored
- Diagnosis delay
- Referral pathway
- Specialist involvement
- Treatment selection
- Treatment switching
- Patient adherence
- Side effects
- Quality of life
- Unmet needs
- Caregiver burden
How Yamada delivered
Delivered as one coordinated sequence
- 01Country-level feasibility assessments
- 02Highly targeted screening
- 03Specialist and patient recruitment
- 04Diagnosis and eligibility validation
- 05Fieldwork coordination
- 06Quality control before delivery
Quality controls
Quality controls applied on this project
Only the checks this engagement required — selected by audience, methodology and risk profile.
- 01Pre-recruitment feasibility by market
- 02Tight low-incidence screening
- 03Confirmed-diagnosis validation
- 04Centralised QC
Outcome
What the research delivered
The study gave the client a detailed understanding of the rare-disease treatment pathway and highlighted opportunities to improve diagnosis, specialist education and patient support.
Keep exploring
Related case studies
Healthcare
Healthcare Professional Recruitment
Bangkok & regional · Specialist physicians
Multi-specialty HCP recruitment with credential validation and audit-ready documentation for a global agency partner.
- Samplen=32 HCPs
- Specialties3
- RecordsFull audit trail
Oncology
Global Oncology Treatment Pathway Study
12 markets · Oncologists, nurses & patients
Multi-market recruitment of oncologists, oncology nurses and cancer patients for a global pharmaceutical company mapping how targeted oral oncology therapies are selected, sequenced and switched across different healthcare systems.
- Markets12
- Quantitative1,200 HCP surveys
- Qualitative100 interviews
- AudienceOncologists + nurses + patients
Diabetes & Endocrinology
Next-Generation Insulin Delivery System Study
13 markets · Endocrinologists & diabetes nurses
Recruited senior prescribing physicians and hands-on diabetes-care staff for a global medical-device manufacturer evaluating a closed-loop automated insulin delivery system.
- Markets13
- Quantitative400 HCP surveys
- Qualitative80 interviews
- FocusDevice evaluation
Project examples are representative engagements. Client identities and commercially sensitive details are withheld where required.
Have a study with similar requirements?
Share your markets, audience, methodology and timeline. Our team will review feasibility and recommend a practical fieldwork approach.

