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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT01826513
Registration number
NCT01826513
Ethics application status
Date submitted
1/04/2013
Date registered
8/04/2013
Date last updated
27/03/2017
Titles & IDs
Public title
AutoSet for Her Clinical Trial Protocol
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Scientific title
AutoSet for Her Clinical Trial Protocol
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Secondary ID [1]
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MA13245678
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Obstructive Sleep Apnea
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Condition category
Condition code
Respiratory
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Sleep apnoea
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Devices - Standard AutoSet algorithm
Treatment: Devices - Modified AutoSet algorithm
Experimental: Unblinded Investigational Arm - Participants participated in an unblinded investigational phase of the trial prior to, and separate from, the single-blind cross-over phase of the trial. Data was collected from the his phase to aid the final development of the algorithm before proceeding to algorithm validation (ie. cross-over phase).
Active comparator: Standard AutoSet algorithm - Participants first received therapy with the Standard AutoSet algorithm for one night, and then received therapy with the Modified AutoSet algorithm (an AutoSet device with an algorithm developed for sleep breathing parameters specific to females) the following night.
Experimental: Modified AutoSet algorithm - Participants first received therapy with the Modified AutoSet algorithm (an AutoSet device with an algorithm developed for sleep breathing parameters specific to females) for one night, and then received therapy with the standard AutoSet algorithm the following night.
Treatment: Devices: Standard AutoSet algorithm
An AutoSet device with a standard algorithm developed for sleep breathing parameters that are specific to a particular gender.
Treatment: Devices: Modified AutoSet algorithm
An AutoSet device with an algorithm developed for sleep breathing parameters specific to females.
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Intervention code [1]
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Treatment: Devices
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Apnoea Hypopnoea Index (AHI)
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Assessment method [1]
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Number of apnoeas and hypopnoeas per hour of sleep
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Timepoint [1]
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1 day
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Primary outcome [2]
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Oxygen Desaturation Index (ODI)
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Assessment method [2]
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Number of oxygen desaturations per hour of sleep
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Timepoint [2]
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1 day
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Secondary outcome [1]
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Sleep Efficacy
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Assessment method [1]
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Sleep time divided by total time available for sleep
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Timepoint [1]
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1 day
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Secondary outcome [2]
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Wake After Sleep Onset Time
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Assessment method [2]
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Time awake in minutes after initial sleep onset
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Timepoint [2]
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1 day
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Secondary outcome [3]
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Time Taken to Fall Asleep
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Assessment method [3]
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Time in minutes taken to fall alseep
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Timepoint [3]
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1 day
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Secondary outcome [4]
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Number of Spontaneous Arousals
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Assessment method [4]
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Number of spontaneous arousals occurring over the entire total sleep time
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Timepoint [4]
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1 day
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Secondary outcome [5]
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Number of Hypopnoeas
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Assessment method [5]
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Total number of hypopnoeas occurring in the total sleep time
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Timepoint [5]
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1 day
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Secondary outcome [6]
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Number of Obstructive Apnoeas
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Assessment method [6]
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Total number of obstructive apnoeas occurring in the total sleep time
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Timepoint [6]
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1 day
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Secondary outcome [7]
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Number of Central Apnoeas
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Assessment method [7]
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Total number of central apnoeas occurring in the total sleep time
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Timepoint [7]
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1 day
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Secondary outcome [8]
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Oxygen Saturation
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Assessment method [8]
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Oxygen saturation recorded in the total sleep time
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Timepoint [8]
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1 day
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Secondary outcome [9]
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Percentage of Total Sleep Time Spent in Each Sleep Stage
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Assessment method [9]
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Percentage of total sleep time spent in each sleep stage (ie. N1, N2, N3 and REM)
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Timepoint [9]
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1 day
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Secondary outcome [10]
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Number of Respiratory Event Related Arousals
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Assessment method [10]
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Total number of respiratory event related arousals over the entire sleep period
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Timepoint [10]
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1 day
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Eligibility
Key inclusion criteria
* Pre-menopausal females aged = 18 years
* Current positive airway pressure (PAP)(CPAP or APAP) therapy user with 'current' defined as on PAP therapy for at least 1 month prior to study entry
* Diagnostic PSG available
* Diagnosis of mild-moderate OSA (AHI = 30)
* Participants willing and able to give written informed consent
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Minimum age
18
Years
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Maximum age
50
Years
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Sex
Females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Participants currently using Bi-level PAP
* Participants currently using supplemental oxygen
* Participants who are pregnant
* Subjects who have a pre existing lung disease/ condition that would predispose them to pneumothorax (for example: COPD, lung cancer; fibrosis of the lungs; recent (< 2years) case of pneumonia or lung infection; lung injury)
* Participants who the researcher believes are unsuitable for inclusion because either:
* they do not comprehend English
* they are unable to provide written informed consent
* they are physically unable to comply with the protocol
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
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Intervention assignment
Crossover
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Other design features
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Phase
NA
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/05/2013
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
1/06/2013
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Sample size
Target
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Accrual to date
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Final
25
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Recruitment in Australia
Recruitment state(s)
WA
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Recruitment hospital [1]
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West Australian Sleep Disorders Research Institute - Nedlands
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Recruitment postcode(s) [1]
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6009 - Nedlands
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
ResMed
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Address
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Country
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Other collaborator category [1]
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Other
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Name [1]
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The University of Western Australia
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Address [1]
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Country [1]
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Ethics approval
Ethics application status
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Summary
Brief summary
The purpose of this study is to assess the efficacy and user preference of the Newport AutoSet for Her in female obstructive sleep apnea (OSA) patients. Efficacy will be evaluated by comparing the apnea and hypopnea index (AHI) and oxygen desaturation index (ODI) of the Newport AutoSet for Her algorithm to a standard algorithm. User preference will be evaluated by subjective feedback relating to comfort, ease of falling asleep, sleep disturbance and feeling of being refreshed.
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Trial website
https://clinicaltrials.gov/study/NCT01826513
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Peter Eastwood, MBBS FRACP
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Address
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Centre for Sleep Science, University of Western Australia
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results are available at
https://clinicaltrials.gov/study/NCT01826513
Download to PDF