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| Name | Class |
|---|---|
| University Medical Centre Ljubljana | OTHER |
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In Amyotrophic Lateral Sclerosis, dysphagia has a high incidence. With deterioration of swallowing function, percutaneous endoscopic gastrostomy (PEG) tube is recommended to ensure sufficient and safe oral intake. Dysphagia and PEG placement alter quality of life (QoL). However, QoL and attitudes toward PEG remain largely unexplored. The purpose of this study is to monitor the swallowing function in relationship to QoL and attitudes toward PEG tube insertion and feeding.
The purpose of this study is to monitor the deterioration of swallowing function in ALS patient population, and to explore its impact on QoL and attitudes toward PEG tube insertion and feeding in the course of the disease. It will take maximum of 60 minutes to fully evaluate the swallowing function and complete the questionnaires. The evaluation procedure will be repeated every 3 months until PEG tube insertion, which will allow us to closely monitor the swallowing function in a relation to attitudes toward PEG and QoL. The data obtained from this study should contribute significantly to the knowledge of QoL in ALS patients with dysphagia, and it will allow for a comparison of QoL in ALS patients with and without PEG tube. This study will also expand the understanding of attitudes in ALS patients and their relatives toward PEG, and the impact of those attitudes on the decision-making process.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| ALS Patients | Patients with confirmed amyotrophic lateral sclerosis. |
| |
| Relatives | Close relatives of the patients included in the study. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Iowa Oral Performance Instrument (IOPI) | Diagnostic Test | IOPI measures the peak pressure of the tongue strength and endurance using a disposable bulb placed on a hard palate behind the front teeth or at the base of the tongue. The participants will be asked to press the bulb with their tongue with maximum pressure, three times. To measure the endurance, the participants will be asked to hold the pressure for as long as they can. |
| Measure | Description | Time Frame |
|---|---|---|
| Penetration-Aspiration Scale (PAS) change | PAS is an 8-point scale used to determine swallowing safety. Levels 1 and 2 are considered safe, levels >3 indicate penetration or aspiration and are considered unsafe. | Difference between baseline and PEG insertion (usually in 6-25 months after diagnosis, maximum follow-up 30 months) |
| Yale Residue Severity Rating Scale (YRSRS) change | YRSRS is a validated measure of swallowing efficiency using an image-based assessment to determine post-swallow pharyngeal residue: location and severity. It is assessed using a 5-point ordinal scale (from 1=0 % residue to 5=50 % residue). | Difference between baseline and PEG insertion (usually in 6-25 months after diagnosis, maximum follow-up 30 months) |
| Iowa Oral Performance Instrument (IOPI) change | IOPI is a device which measures tongue strength (in kilopascals; kPa) and endurance (in seconds) while the participant presses the bulb with the front or the base of their tongue to the hard palate. | Difference between baseline and PEG insertion (usually in 6-25 months after diagnosis, maximum follow-up 30 months) |
| Mann Assessment of Swallowing Ability (MASA) change | MASA is a standard clinical swallowing assessment protocol administered by the speech-language therapist. Total score ranges from 38-200. Lower score indicates higher impairment. | Difference between baseline and PEG insertion (usually in 6-25 months after diagnosis, maximum follow-up 30 months) |
| Eating Assessment Tool 10 (EAT-10) change | EAT-10 is a validated self-administered dysphagia severity symptom survey including 10 items and a five-point scale (0=no problem to 4=sever problem). Higher total score indicates higher impairment. |
| Measure | Description | Time Frame |
|---|---|---|
| ALS Functional Rating Scale-Revised (ALSFRS-R) change | ALSFRS-R is a 12-tem ALS-specific assessment of global functioning using a five-point scale (0=not able, 4= normal ability), with 48 points representing normal function. | Difference between baseline and PEG insertion (usually in 6-25 months after diagnosis, maximum follow-up 30 months) |
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Inclusion Criteria for patients:
Inclusion Criteria for relatives:
Exclusion Criteria for patients:
Exclusion criteria for relatives:
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The study will include adult ALS patients able to visit the study site for in-person procedures every 3 months, and their close relatives.
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Metka Moharić, MD, PhD | Contact | +386 1 4758441 | metka.moharic@ir-rs.si |
| Name | Affiliation | Role |
|---|---|---|
| Blaž Koritnik, MD, PhD | University Medical Centre Ljubljana | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University Medical Centre Ljubljana | Recruiting | Ljubljana | 1000 | Slovenia |
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| Mann Assessment of Swallowing Ability (MASA) | Diagnostic Test | MASA is a standard clinical swallowing assessment protocol including general patient examination, on-the-outside visible signs of oral preparatory and transportation phase and pharyngeal phase of swallowing function. |
|
| Fiberoptic Endoscopic Evaluation of Swallowing | Diagnostic Test | The subjects will ingest up to 10 boluses ranging in thickness and volume (from thin to extremely-thick and a cookie). |
|
| Respiratory function measurements | Diagnostic Test | Respiratory function measurements will include forced vital capacity (FVC), maximum inspiratory pressure (MIP), and maximum expiratory pressure (MEP), all expressed in percentage of predicted values. Conventional methods of testing will be applied. |
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| Difference between baseline and PEG insertion (usually in 6-25 months after diagnosis, maximum follow-up 30 months) |
| Swallowing Quality of Life Questionnaire (SWAL-QoL) change | SWAL-QoL is a 44-item standardised psychometric scale that measures swallowing-related QoL across 10 domains. Scores for each individual domain and a total SWAL-QoL score are calculated. Total score ranges from 0-100 (100 indicating the most favourable state). | At baseline and every 3 months until PEG insertion, 3 and 6 months after PEG insertion |
| Questionnaire on Attitudes Toward PEG Tube Feeding and Insertion Procedure change | The questionnaire comprises 10 questions. The participants specify their level of agreement on a five-point Likert-type scale (1=strongly disagree, 5= strongly agree). | Difference between baseline and PEG insertion (usually in 6-25 months after diagnosis, maximum follow-up 30 months) |
| Functional Oral Intake Scale (FOIS) change |
FOIS is a validated 7-point scale demonstrating an individual's ability of daily oral food intake (1=no oral intake, 7=total oral intake with no restrictions). |
| Difference between baseline and PEG insertion (usually in 6-25 months after diagnosis, maximum follow-up 30 months) |
| Dysphagia Outcome and Severity Scale (DOSS) change | DOSS is a 7-point scale that rates the functional severity of dysphagia based on objective assessment and provides information on diet recommendations, independence level and type of nutrition necessary (level 7=normal swallowing function, level 1=severe dysphagia). | Difference between baseline and PEG insertion (usually in 6-25 months after diagnosis, maximum follow-up 30 months) |
| BMI change | Body mass index (in kg/m^2) | Difference between baseline and PEG insertion (usually in 6-25 months after diagnosis, maximum follow-up 30 months) |
| Forced Vital Capacity (FVC) change | Standard clinical respiratory assessment of FVC (in %) | Difference between baseline and PEG insertion (usually in 6-25 months after diagnosis, maximum follow-up 30 months) |
| Peak Cough Flow (PCF) change | Standard clinical respiratory assessment of PCF (in L/min) | Difference between baseline and PEG insertion (usually in 6-25 months after diagnosis, maximum follow-up 30 months) |
| Maximal Inspiratory Pressure (MIP) change | Standard clinical respiratory assessment of MIP (in cmH2) | Difference between baseline and PEG insertion (usually in 6-25 months after diagnosis, maximum follow-up 30 months) |
| Maximal Expiratory Pressure (MEP) change | Standard clinical respiratory assessment of MEP (in cmH2) | Difference between baseline and PEG insertion (usually in 6-25 months after diagnosis, maximum follow-up 30 months) |
| ID | Term |
|---|---|
| D000690 | Amyotrophic Lateral Sclerosis |
| ID | Term |
|---|---|
| D013118 | Spinal Cord Diseases |
| D002493 | Central Nervous System Diseases |
| D009422 | Nervous System Diseases |
| D016472 | Motor Neuron Disease |
| D019636 | Neurodegenerative Diseases |
| D057177 | TDP-43 Proteinopathies |
| D009468 | Neuromuscular Diseases |
| D057165 | Proteostasis Deficiencies |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
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