- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT07631143
Intermittent Low Oxygen Breathing: A First Study Testing Different Disease Stages in People Living With MS (LOxyMS)
Intermittent Low Oxygen Breathing: A First Study Testing Different Disease Stages in People Living With Multiple Sclerosis
Panoramica dello studio
Stato
Condizioni
Intervento / Trattamento
Descrizione dettagliata
AIH is a treatment where people breathe reduced amounts of oxygen (10% oxygen) for a short period of time alternating with normal oxygen levels (21%) through a facemask that is attached to an oxygen tank with 10% 02. Participants will undergo 6 AIH treatment sessions over 3-4 weeks.
AIH will be administered to 3 unique groups of people: 1) People with advanced MS disability who are no longer ambulatory, 2) People who experienced a disabling relapse within the past 4 weeks and 3) People with non-active, progressive MS who retain some ambulatory ability.
There will be one baseline and two post-treatment assessments (1 and 5 weeks following the last AIH session).
Tipo di studio
Iscrizione (Stimato)
Fase
- Fase 2
- Fase 1
Contatti e Sedi
Contatto studio
- Nome: Katherine B Knox, MD, FRPC
- Numero di telefono: 306-655-7742
- Email: Katherine.knox@saskatoonhealthregion.ca
Backup dei contatti dello studio
- Nome: Sarah Donkers, PhD
- Numero di telefono: 306-966-3230
- Email: sarah.donkers@usask.ca
Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
- Adulto
- Adulto più anziano
Accetta volontari sani
Descrizione
Inclusion Criteria:
-
Group 1:
- People with a confirmed diagnosis of MS and advanced disability level (Expanded Disability Status Scale (EDSS) >6.5 and <9)
- Without relapse for at least 90 days prior
- Older than age 18
Group 2:
- People with a confirmed diagnosis of relapsing remitting MS
- Acute disabling relapse onset within the past 4 weeks. A disabling relapse will be defined as at least 1.0-point increase on the EDSS.
- Older than age 18
Group 3:
- People with a confirmed diagnosis of MS that is non-active and progressive (Primary or Secondary Progressive MS). Non-active will be defined as without MS relapse, new/enlarging or enhancing MRI lesions within the past 1 year.
- EDSS <=6.5
- Older than age 18
Exclusion Criteria:
- Pregnancy
- Any of the following documented respiratory disorders: obstructive sleep apnea, chronic obstructive pulmonary disease, uncontrolled asthma, hypoxic pulmonary disease, respiratory infection in the previous 3 months
- Ischemic cardiac disease
- Cardiac arrhythmia
- Severe hypertension (>160/100)
- Seizure disorders
- Medically unstable in another capacity
- Unable to provide informed consent
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Trattamento
- Assegnazione: N / A
- Modello interventistico: Assegnazione di gruppo singolo
- Mascheramento: Nessuno (etichetta aperta)
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
|---|---|
|
Sperimentale: Treatment
Acute Intermittent Hypoxia
|
Hypoxia (10% O2) will be administered via a non-rebreather face mask connected to an oxygen tank supplying the 10% O2.
Each session will involve 15 cycles of hypoxia, each lasting 90 seconds, interspersed with 60 second cycles of normoxia.
The total duration of each session will be approximately 37 minutes.
An inline oxygen analyzer will allow recording of the percentage of oxygen being delivered.
A fingertip pulse-oximeter will be worn throughout to ensure that oxygen saturation (SpO2) falls to a nadir between 80 - 87% during hypoxic episodes and heart rate monitoring will be performed.
Blood pressure will be checked prior to and following each session (within 5 minutes of treatment cessation).
|
Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
SpO2 < 78%, Heart rate < 50 beats per minute (bpm) or > 160 bpm
Lasso di tempo: During the six AIH treatment session in weeks 1-4
|
Number of episodes of each outcome
|
During the six AIH treatment session in weeks 1-4
|
Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Worsening on a verbal response 9-Item subjective symptom checklist
Lasso di tempo: During the six AIH treatment sessions in weeks 1-4
|
Symptom checklist to be administered during AIH treatments.
Includes the following: Chest pain, shortness of breath, lightheadedness, neck pain, dizziness, arm pain (left side for cardiac symptoms), sweatiness/feeling warm, sensory changes and increased weakness.
|
During the six AIH treatment sessions in weeks 1-4
|
|
Functional testing 1: Nine-Hole Peg test
Lasso di tempo: Baseline, 1- and 5- weeks after the final AIH treatment session
|
A test of hand function and dexterity
|
Baseline, 1- and 5- weeks after the final AIH treatment session
|
|
Functional testing 2: Symbol Digit Modalities Test
Lasso di tempo: Baseline, 1- and 5- weeks after the final AIH treatment session
|
A cognitive test of processing speed
|
Baseline, 1- and 5- weeks after the final AIH treatment session
|
|
Functional testing 3: Timed 25-Foot walk test
Lasso di tempo: Baseline, 1- and 5- weeks after the final AIH treatment session
|
A test of gait
|
Baseline, 1- and 5- weeks after the final AIH treatment session
|
|
Patient Reported Symptom Outcomes 1: Multiple Sclerosis Impact Scale (MSIS-29)
Lasso di tempo: Baseline, 1- and 5- weeks after the final AIH treatment session
|
An assessment of how MS impacts a person's function
|
Baseline, 1- and 5- weeks after the final AIH treatment session
|
|
Patient Reported Symptom Outcomes 2: Modified Fatigue Impact Scale
Lasso di tempo: Baseline, 1- and 5- weeks after the final AIH treatment session
|
An assessment of how fatigue impacts a person's function
|
Baseline, 1- and 5- weeks after the final AIH treatment session
|
|
Transcranial Magnetic Stimulation (TMS)
Lasso di tempo: Baseline, 1- and 5- weeks after the final AIH treatment session
|
TMS uses a magnetic coil placed over the scalp to stimulate cortical neurons on the surface of the brain to elicit a motor evoked potential (MEP).
The amount of stimulator output required to obtain a MEP is an indicator of the level of excitability of the neurons; lower threshold indicating greater excitability AIH may decrease inhibition and increase excitation; mechanisms necessary when recovering from neurological injuries.
|
Baseline, 1- and 5- weeks after the final AIH treatment session
|
Collaboratori e investigatori
Sponsor
Studiare le date dei record
Studia le date principali
Inizio studio (Stimato)
Completamento primario (Stimato)
Completamento dello studio (Stimato)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
- Bio 4476
- LOxyMS USASK -0924 (Altro identificatore: University of Saskatchewan)
Piano per i dati dei singoli partecipanti (IPD)
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Informazioni su farmaci e dispositivi, documenti di studio
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Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .
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