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A Proof of Concept, Multicentre, Phase 2, Double- Blind, Randomized, Placebo-Controlled Study on the Efficacy, Safety and Tolerability of d-Methadone in Moderate to Very Severe Restless Legs Syndrome with Periodic Limb Movements: the Glu-REST Study

Status
Suspended
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2024-510968-22-00
Acronym
NSI-RLS-001
Enrollment
12
Registered
2024-02-28
Start date
2024-03-12
Completion date
Unknown
Last updated
2025-01-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

restless leg syndrome

Brief summary

The percentage of responders to REL-1017 treatment. A responder is defined as a patient with ≥ 50% reduction in the International RLS Rating Scale (IRLS-RS) score from baseline (Day 1) to end of the treatment period (Day 30) with assessments performed on Day 1, Day 31 and Day 37.

Detailed description

Change in RLS symptoms and severity from baseline (Day 1) to the end of 10-day dosing period and to end of the treatment period (Day 30) as measured by the IRLS-RS score with assessments performed on Day 1, Day 11, Day 31 and Day 37., Change from baseline (Day 1) to the end of 10-day dosing period and to end of the treatment period (Day 30) on Total Sleep Time (TST), Sleep Latency (SL) and Sleep Efficacy (SE) acquired by actigraphy with measurements performed prior to the start of treatment (from Day -7 to Day -1), during the 10-day dosing period (from Day 1 to Day 11) and at the end of the treatment (from Day 24 to Day 31), Percentage of responders to 10-day dosing with REL-1017. A responder is defined as a patient with ≥ 50% reduction in the IRLS-RS score from baseline (Day 1) to end of 10-day dosing period with assessments performed on Day 1 and Day 11., Change from baseline (Day 1) to end of 10-day dosing period on PLMS index with measurements performed on Day 1 and Day 11, Change from baseline (Day 1) to end of 10-day dosing period on TST, SL and SE, number of awakenings, arousal index, recorded by PSG with measurements performed on Day 1 and Day 11.

Interventions

DRUGexact match to the active tablets in size
DRUGcolor and marking without the active ingredient d-methadone HCl

Sponsors

Ente Ospedaliero Cantonale (EOC), Ente Ospedaliero Cantonale (EOC)
Lead SponsorOTHER

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
The percentage of responders to REL-1017 treatment. A responder is defined as a patient with ≥ 50% reduction in the International RLS Rating Scale (IRLS-RS) score from baseline (Day 1) to end of the treatment period (Day 30) with assessments performed on Day 1, Day 31 and Day 37.

Secondary

MeasureTime frame
Change in RLS symptoms and severity from baseline (Day 1) to the end of 10-day dosing period and to end of the treatment period (Day 30) as measured by the IRLS-RS score with assessments performed on Day 1, Day 11, Day 31 and Day 37., Change from baseline (Day 1) to the end of 10-day dosing period and to end of the treatment period (Day 30) on Total Sleep Time (TST), Sleep Latency (SL) and Sleep Efficacy (SE) acquired by actigraphy with measurements performed prior to the start of treatment (from Day -7 to Day -1), during the 10-day dosing period (from Day 1 to Day 11) and at the end of the treatment (from Day 24 to Day 31), Percentage of responders to 10-day dosing with REL-1017. A responder is defined as a patient with ≥ 50% reduction in the IRLS-RS score from baseline (Day 1) to end of 10-day dosing period with assessments performed on Day 1 and Day 11., Change from baseline (Day 1) to end of 10-day dosing period on PLMS index with measurements performed on Day 1 and Day 11, Change

Countries

Italy

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026