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Exploring the caregiver journey through randomized controlled trials in dravet syndrome: insights from a
Caroline Delattre1, Gianluca D'Onofrio2, Anne-Emmanuel Leiber1
1Alliance Syndrome de Dravet, 3 sentier des Larris, 45330 Malesherbes, France.
Objective:
To explore how caregivers perceived their child's participation in four randomized controlled trials (RCTs) for Dravet syndrome (DS), conducted between 1996 and 2024, on stiripentol (STP), cannabidiol (CBD), fenfluramine (FFA), and soticlestat (TAK-935).
Methods:
A semi-structured, cross-sectional survey, in French, assessed families' motivations for enrolling in the trials, their perceptions throughout the different trial phases, and challenges encountered.
Results:
Ten caregivers reported that their child had participated in the STP trial, 20 in the CBD trial, 13 in the FFA trial, and 1 in the TAK-935 trial. In most cases (39/44, 88%), trial participation was proposed by the treating (paediatric) neurologist. The main reasons for non-enrolment were satisfactory seizure control, the trial having ended before awareness, and ineligibility. Motivations for participation were mostly access to new treatments, hope, and confidence in the medical team, whereas non-participation was primarily driven by concerns about adverse events, emotional impact of uncertainty, and potential placebo assignment. Overall, trial experiences were rated positively: hope, fear of not completing the trial, and stress were the most frequently reported emotions throughout the trial, while the primary barriers related to daily schedules to accommodate regular medical appointments. Regret and solitude post-trial were scored very low.
Conclusions:
To our knowledge, this is the first survey exploring the caregivers' perceptions of participation in epilepsy clinical trials. Patient and stakeholder engagement is essential for optimizing trial recruitment, acceptance and understanding of the failures.
Insights
Caregivers generally had positive experiences in Dravet syndrome (DS) clinical trials, motivated by access to new treatments and hope. Key challenges involved managing daily schedules for appointments, but regret was minimal.
Area of Science:
- Neurology
- Clinical Trials
- Rare Diseases
Background:
- Dravet syndrome (DS) is a severe form of epilepsy often requiring multiple treatments.
- Clinical trials are crucial for developing new therapies for DS.
- Understanding caregiver perspectives is vital for successful trial design and recruitment.
Purpose of the Study:
- To investigate caregiver perceptions of their child's participation in four randomized controlled trials (RCTs) for Dravet syndrome.
- To explore motivations for enrollment, experiences during trials, and challenges faced by families.
Main Methods:
- A cross-sectional survey in French was administered to caregivers.
- The survey used semi-structured questions to assess motivations, perceptions, and challenges.
- Data were collected from caregivers whose children participated in trials for stiripentol, cannabidiol, fenfluramine, or soticlestat.
Main Results:
- Most trial participation was initiated by neurologists (88%).
- Motivations for participation included access to novel treatments and hope; reasons for non-enrollment centered on seizure control, ineligibility, or trial timing.
- Caregivers reported positive overall trial experiences, with hope and stress being common emotions, and daily schedule disruptions as the main barrier.
Conclusions:
- This is the first survey to explore caregiver perceptions of epilepsy clinical trial participation.
- Positive caregiver experiences highlight the importance of patient and stakeholder engagement in optimizing trial recruitment and acceptance.
- Understanding caregiver perspectives can help improve future clinical trial design and reduce trial failures.
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