Efficacy, Safety and Tolerability of Sulthiame in Patients With Obstructive Sleep Apnea (OSA)

NCT ID: NCT05236842

Last Updated: 2023-11-29

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

298 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-11-23

Study Completion Date

2023-08-31

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

multi-center, randomized, double-blind, placebo-controlled, dose-finding, 4-arm, parallel assignment study to evaluate the efficacy of three different doses of sulthiame (STM) compared to placebo on sleep apnea activity in adult patients with obstructive sleep apnea.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Primary objective: To evaluate the efficacy of 3 different doses of Sulthiame (STM) compared to placebo on sleep apnea activity in adult patients with moderate to severe obstructive sleep apnea (OSA) after at least 12 weeks of treatment at target dose

Secondary objectives: To evaluate the effect of 3 different doses of STM after at least 12 weeks of treatment at target dose in patients with moderate to severe OSA on apnea/hypopnea events, hypoxic burden, sleep quality, daytime sleepiness, patient's perception of symptoms and well-being, comorbidity-related outcomes and safety and tolerability of STM

Exploratory objective: To evaluate potential predictive biomarker (eg, blood gas analysis parameters or additional polysomnography \[PSG\] variables) with regard to efficacy

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Obstructive Sleep Apnea

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators
placebo

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

Sulthiame 100 mg

Sulthiame film-coated tablets 100 mg once daily 15 weeks

Group Type ACTIVE_COMPARATOR

Sulthiame

Intervention Type DRUG

oral

Sulthiame 200 mg

Sulthiame film-coated tablets 200 mg once daily 15 weeks

Group Type ACTIVE_COMPARATOR

Sulthiame

Intervention Type DRUG

oral

Sulthiame 300 mg

Sulthiame film-coated tablets 300 mg once daily 15 weeks

Group Type ACTIVE_COMPARATOR

Sulthiame

Intervention Type DRUG

oral

Placebo

Placebo film-coated tablets once daily 15 weeks

Group Type PLACEBO_COMPARATOR

Sulthiame

Intervention Type DRUG

oral

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

Sulthiame

oral

Intervention Type DRUG

Other Intervention Names

Discover alternative or legacy names that may be used to describe the listed interventions across different sources.

Ospolot

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* OSA diagnosis according to the International Classification of Sleep Disorders - Third Edition criteria with an AHI of ≥15 documented by PSG or polygraphy (PG).
* Currently not treated with continuous positive airway pressure (CPAP) or mandibular advancement device (MAD) due to patient-reported:
* non-tolerability; and/or
* non-compliance; and/or
* not willing to use CPAP or MAD (treatment-naïve patients)

Exclusion Criteria

* Any OSA treatment within the last 4 weeks prior to screening
* Fulfill criteria for a dominant central sleep apnea syndrome or dominant Cheyne Stokes respiration
* Other clinically significant sleep disorder including periodic limb movement disorder, restless leg syndrome, periodic limb movement arousal index (PLMAI) of \>15\*, insomnia, parasomnia or narcolepsy

* as part of PSG baseline assessment
* Hypoventilation or hypoxemia due to chronic obstructive pulmonary disease or other respiratory condition
* Clinically relevant craniofacial malformation
* Any upper airway surgery for OSA within the last 12 months prior to baseline
* Patients who underwent an obesity surgery within the last 2 years prior to baseline or patients actively participating in any weight loss treatment program or use of any weight loss medication (prescription or over-the-counter) within 1 month prior to the first PSG night.
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

Desitin Arzneimittel GmbH

INDUSTRY

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Responsibility Role SPONSOR

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

Pneumocare SRL

Namur, , Belgium

Site Status

Countries

Review the countries where the study has at least one active or historical site.

Belgium

References

Explore related publications, articles, or registry entries linked to this study.

Randerath W, Grote L, Stenlof K, Fietze I, Chevts J, Buntinx E, Albares J, Kuhn K, Hansen C, Volp A, Hedner J; FLOW study investigators. Sultiame once per day in obstructive sleep apnoea (FLOW): a multicentre, randomised, double-blind, placebo-controlled, dose-finding, phase 2 trial. Lancet. 2025 Oct 9:S0140-6736(25)01196-1. doi: 10.1016/S0140-6736(25)01196-1. Online ahead of print.

Reference Type DERIVED
PMID: 41077049 (View on PubMed)

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

2021-002926-26

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

STM-042/K

Identifier Type: -

Identifier Source: org_study_id