THERMA-SAS: SPA Therapy in the Treatment of Sleep Apnea Syndrome
Study Details
Study Description
Brief Summary
The purpose of this study is to determine whether 3-week of SPA therapy improves sleep apnea in patients with chronic venous insufficiency and concomitant Obstructive Sleep Apnea Syndrome (OSAS).
| Condition or Disease | Intervention/Treatment | Phase |
|---|---|---|
|
N/A |
Detailed Description
Obstructive Sleep Apnea Syndrome (OSAS), characterized by repetitive episodes of partial or complete upper airway (UA) obstruction, is highly prevalent in the general population (2% in women, 4% in men). OSAS is associated with hypersomnolence and it increases the risk of cardiovascular morbidity and mortality. Its pathogenesis is largely multifactorial. In patients with chronic venous insufficiency, fluid retention contributes to this pathogenesis: during the day, fluid accumulates in the legs due to gravity ; during sleep in recumbent position, this accumulated fluid redistributes rostrally in the neck and causes upper airway narrowing and predisposes to OSAS.
The hypothesis is that a comprehensive treatment program for chronic venous insufficiency (SPA therapy) would reduce sleep apnea in patients with chronic venous insufficiency and concomitant sleep apnea Syndrome.
The objective is to assess the efficacy of a 3-week SPA therapy on attenuation of sleep apnea in this population of patients.
Study Design
Arms and Interventions
| Arm | Intervention/Treatment |
|---|---|
| Active Comparator: Immediate SPA treatment 3-week immediate SPA treatment (soon after randomization) |
Other: 3-week immediate SPA treatment
a comprehensive program soon after randomization including sessions of balneotherapy, diet information, exercise training. The most adapted to the concerned pathology and common to all SPA resorts (walk in a specially pool, whirlpool bath with automatic air and water massages cycles, massages shower...)
Other Names:
|
| Sham Comparator: Late SPA treatment 3-week late SPA treatment (soon after primary endpoint at 4 1/2 months visit) |
Other: 3-week late SPA treatment
a comprehensive program after 4.5 months, including sessions of balneotherapy, diet information, exercise training. The most adapted to the concerned pathology and common to all SPA resorts (walk in a specially pool, whirlpool bath with automatic air and water massages cycles, massages shower...)
Other Names:
|
Outcome Measures
Primary Outcome Measures
- Apnea-Hypopnea Index (AHI) [4.5 months]
Variation in AHI according to the allocation group
Secondary Outcome Measures
- Specific Quality of life [4.5 months]
Variation in the scores of CIVIQ 20 according to the allocation group (Specific quality of life scale for venous insufficiency)
- Global Quality of life [4.5 months]
Variation in the score of EUROQUOL according to the allocation group (Global quality of life scale)
- severity of sleep apnea [4.5 months]
Variation of AHI according to the severity of sleep apnea at inclusion. Moderate sleep apnea (AHI <30) vs Severe Sleep apnea (AHI >30) at inclusion
- Nocturnal hypoxemia [4.5 months]
Nocturnal hypoxemia is assessed by mean SpO2 and time spent with SpO2<90%
- Clinically significant improvement of OSAS [4.5 months]
Clinically significant improvement is defined with a reduction in AHI by 50% or more and a reduction in oxygen desaturation index by 50% or more
- Sleep duration [4.5 months]
Mean sleep duration is assessed by actigraphy over a period of 7 days.
- Quality of Sleep [4.5 months]
Quality of sleep is assessed by Quebec Quality of life Questionnaire
- Daytime sleepiness [4.5 months]
Sleepiness is assessed by Epworth sleepiness scale
- Variation of interstitial fluid [4.5 months]
bioimpedance is used to measure interstitial fluid
- Long term efficacy [1 year]
Long term efficacy is measured by nocturnal respiratory polygraphy only in patients who are not treated by CPAP
- Venous insufficiency classification [1 year]
Variation of venous insufficiency is assessed by CEAP classification
- Venous insufficiency variation [1 year]
Variation of venous insufficiency is assessed by Villalta score
- Venous insufficiency examination [1 year]
Variation of venous insufficiency is assessed by leg circumferences
- long term effect of the SPA treatment on primary outcome [1 year]
confirmation of the long term effect of the SPA treatment at 1 year for the control group. Primary outcome evolution between 4.5 months and 12 months (evolution of AHI)
- long term effect of the SPA treatment on specific quality of life [1 year]
confirmation of the long term effect of the SPA treatment at 1 year for the control group. Evolution between 4.5 months and 12 months of specific quality of life with CIVIQ 20 scale
- long term effect of the SPA treatment on global quality of life [1 year]
confirmation of the long term effect of the SPA treatment at 1 year for the control group. Evolution between 4.5 months and 12 months of global quality of life with EUROQUOL Scale
- long term effect of the SPA treatment on venous insufficiency [1 year]
confirmation of the long term effect of the SPA treatment at 1 year for the control group. Evolution between 4.5 months and 12 months of venous insufficiency
- long term effect of the SPA treatment on specific treatment of OSAS [1 year]
confirmation of the long term effect of the SPA treatment at 1 year for the control group. Evolution between 4.5 months and 12 months. The long term effect will be confirmed if patients did not require a specific treatment of OSAS (for example CPAP (Continuous Positive Airway Pressure).
- benefit for patients with first SPA treatment [4.5 months]
stratification at randomization (first SPA treatment or not) to evaluate a higher benefit (variation of Apnea-Hypopnea Index (AHI)) for patients with first SPA treatment. Comparison of patients with first SPA treatment or not on primary outcome according to the allocation group.
Eligibility Criteria
Criteria
Inclusion Criteria:
-
Patient with Chronic Venous Insufficiency with oedema (CEAP clinical classes C3 to C5) and concomitant Sleep Apnea Syndrome (AHI > 15 events/hour)
-
Patient in stable state (no change in medical treatment and no hospitalization for respiratory, cardiac or metabolic event in the 2 months preceding inclusion)
-
Patient available for a program of 3-week SPA Therapy
Exclusion Criteria:
-
Patient with no social insurance
-
Pregnant and nursing woman
-
Patient detained by judicial order
-
Patient with contra-indication to SPA therapy
-
Patient with chronic venous insufficiency < CEAP C3 or CEAP C6
-
Patient already treated by class IV compression stockings for severe veinolymphatic insufficiency
-
Patient already treated for sleep apnea
-
Patient who have already benefited of SPA therapy (any type) within 9 months before the enrollment
-
Patient with severe comorbidities
-
Patient who could not respect the constraints related to the study
Contacts and Locations
Locations
| Site | City | State | Country | Postal Code | |
|---|---|---|---|---|---|
| 1 | Medical pratice (angiology) | Annecy | France | ||
| 2 | Medical practice (angiology) | Bourgoin Jallieu | France | ||
| 3 | Medical practice (angiology) | Castelnau Le Lez | France | ||
| 4 | University Hospital Grenoble | Grenoble | France | 38000 | |
| 5 | Medical pratice (angiology) | Grenoble | France | ||
| 6 | University Hospital Grenoble | Grenoble | France | ||
| 7 | Clinic Beau Soleil | Montpellier | France | ||
| 8 | Medical pratice (angiology) | Tarbes | France | ||
| 9 | Medical practice (angiology) | Valence | France |
Sponsors and Collaborators
- Association Francaise pour la Recherche Thermale
- Floralis
- University Hospital, Grenoble
Investigators
- Principal Investigator: Jean Louis PEPIN, MD, University Hospital, Grenoble
Study Documents (Full-Text)
None provided.More Information
Publications
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- THERMA SAS