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A Comparison of CPAP With and Without Humidification: A Pilot Study

Evaluation of Overall Therapy Cost Comparing First Intention and Second Intention Heated Humidification for CPAP: A Pilot Study.

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02423681
Enrollment
20
Registered
2015-04-22
Start date
2015-06-30
Completion date
2016-10-31
Last updated
2017-02-15

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

Conditions

Obstructive Sleep Apnea

Brief summary

To compare a group of patients with our standard treatment of continuous positive airway pressure (CPAP) and another group of patients with CPAP and a humidifier attached. The therapy cost and the successfulness of the treatment will be measured. A humidifier is a water chamber that is currently added to CPAP only if the patients needs it.

Interventions

DEVICEThermoSmart

Heated humidification as first intention (HH1st) with ThermoSmart

DEVICEWithout ThermoSmart

ThermoSmart is switched off

Sponsors

Fisher and Paykel Healthcare
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
HEALTH_SERVICES_RESEARCH
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Older than 18 years of age * Diagnosed with OSA (obstructive sleep apnea) and eligible for CPAP treatment under local requirements (NICE guidelines: AHI (apnea hypopnea index) ≥ 15, or AHI \> 5 with significant daytime sleepiness) * Naïve to CPAP therapy, i.e. have not been prescribed, or used CPAP in the last 5 years. * Fluent in spoken and written English

Exclusion criteria

* Significant uncontrolled cardiac disease, as per the principal investigator's discretion * Co-existing lung disease, as per the principal investigator's discretion * Co-existing sleep disorder, such a predominant central sleep apnoea * Pregnancy * Participants that are unable or unwilling to give informed consent.

Design outcomes

Primary

MeasureTime frameDescription
Duration of appointments6 monthsTime spent with/on each patient (i.e preparation and follow-up time as well as appointment time)
Number of unplanned follow-ups6 monthsnumber of unplanned follow-ups
Overall cost of equipment6 months(cost of equipment required for CPAP therapy, including CPAP device and mask, and all related consumables
Number and type of additional interventions6 monthsThe number and type of additional interventions (masks, nasal steroids) and the associated cost

Secondary

MeasureTime frameDescription
Side effects and symptoms reported6 monthsAny side effects and symptoms reported with the therapy
Adherence to therapy6 monthsCompliance data from the device
Patient sleeping environment temperature and humidity6 monthsThe temperature and humidity of the patient's environment as measured by a humidity logger
Self-reported satisfaction6 monthsSelf-reported satisfaction via treatment questionnaires
Therapy Acceptance6 monthsNumber of withdrawals and drop out from the therapy
Apnea Hypopnea Index (AHI)6 monthsAHI to measure the treatment efficacy
Leak6 monthsTotal system leak from the device

Countries

United Kingdom

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026