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| Name | Class |
|---|---|
| Bavarian State Ministry of Health and Care | OTHER_GOV |
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This study examines the efficacy of mild water-filtered whole-body hyperthermia during outpatient treatment in patients with post-COVID syndrome. The aim is to evaluate whether there can be an improvement in fatigue and quality of life. The duration of the study extends over a treatment period of approximately 2 weeks with two treatment units per week and a follow-up period of 3 months after the outpatient treatment.
A total of about 60 participants over 18 years of age are sought, who will be divided into two groups of equal size after inclusion in the study. All participants will receive the same amount of water-filtered whole-body hyperthermia (WBH) under application of 10 L/min oxygen within the outpatient setting. One group receives the gentle form of WBH, the other group receives the classic, mild WBH, which differ in the intensity of the radiation. Gentle hyperthermia serves as a control group for mild hyperthermia.
All abnormalities are documented by the responsible therapists, doctors and nurses.
Blood parameters are collected before the start, after 2 applications and after the last application during the clinical stay. The aim here is to determine the differential blood count and inflammatory and immune parameters; among other things, autoantibody production is to be examined and monitored during the course of the study. In order to check the possible effectiveness of the treatment, various questionnaire values are also collected. The survey will take place at 3 points in time (at the beginning, after completion of the 4 treatments and 3 months afterwards).
In addition, a diary will be filled out in which patients will provide information on their sleep, personal energy level and pain level as well as their daily step count in order to create an activity profile. All patients receive a paper diary and a pedometer adapted to their individual characteristics in advance. The diary is to be kept from week 0 to week 15.
After completion of the study, qualitative interviews lasting around 30-45 minutes will be conducted with 16-20 participants in weeks 8-10 of the follow-up period. Participants are selected on the basis of socio-demographic and clinical characteristics with the aim of obtaining a sample that is as heterogeneous as possible. The interviews are conducted by telephone.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| mild hyperthermia group | Experimental | For the study, the method of passive whole-body hyperthermia is used. The IRATHERM®1000 system (Von Ardenne Institute for Applied Medical Research/Dresden) is used, in which the entire body is heated to a core body temperature above the physiological 37°C under the application of 10L/min oxygen. The aim is to achieve a core body temperature of 38.5°C within the framework of mild whole-body hyperthermia. After this warm-up phase, a temperature plateau phase of about 60 minutes follows, in which an attempt is made to maintain the core body temperature of 38.5°C. In the temperature plateau phase, a slight increase in the body core temperature is usually observed. The total time required for a session is given as 1.5 to 2 hours, but this depends on the individual constitution and daily condition of the patient and can be subject to fluctuations. |
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| sham group | Sham Comparator | Within the patient information, privacy policy, etc., there is talk of "gentle hyperthermia" and classic, "mild hyperthermia". This serves to introduce the sham intervention as a control group compared to the patient. Lighting conditions, procedures, instructions and explanations are indistinguishable. Within the application, patients of the sham group will receive a hyperthermia application almost without overheating. In order to achieve this, the patients will be positioned on the IRATHERM®1000 in accordance with the Von Ardenne Institute's regulations. Due to the insulating blanket and the natural device and body heat, the patients of the sham group experience a gentle warmth, which is not the same as regular whole-body hyperthermia and an increase in the body core temperature of about 1.5 °C. In the sham setting, the core body temperature increases by about 0.3 to 0.4 °C within a 55-minute session. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| mild hyperthermia group | Other | The hyperthermia treatment is carried out in a cycle of two treatments per week, with at least one day in between, over a period of two weeks, according to the manufacturer's instructions. For better tolerability, the application takes place under administration of 10L/min oxygen. According to the guidelines, the rectal (possibly vaginal) temperature (as body core temperature), heart rate and oxygen saturation (Sp02) are continuously determined during the hyperthermia treatment. During the treatment, continuous supervision by trained personnel is guaranteed, and a doctor is on call. |
| Measure | Description | Time Frame |
|---|---|---|
| Multidimensionl Fatigue Inventory (MFI-20) | An inventory including 20 questions about fatigue-symptoms (each from 1 ("Yes, that is true") to 5 ("No, that is not true")) covering 5 dimensions (general fatigue, physical fatigue, reduced motivation, reduced activity, mental fatigue). | Week 0 |
| Multidimensionl Fatigue Inventory (MFI-20) | An inventory including 20 questions about fatigue-symptoms (each from 1 ("Yes, that is true") to 5 ("No, that is not true")) covering 5 dimensions (general fatigue, physical fatigue, reduced motivation, reduced activity, mental fatigue). | Week 3 |
| Measure | Description | Time Frame |
|---|---|---|
| Multidimensionl Fatigue Inventory (MFI-20) | An inventory including 20 questions about fatigue-symptoms (each from 1 ("Yes, that is true") to 5 ("No, that is not true")) covering 5 dimensions (general fatigue, physical fatigue, reduced motivation, reduced activity, mental fatigue). | Week 15 |
| Brief Pain Inventory (BPI) - Intensity of pain (Numeric Rating Scale, NRS) |
| Measure | Description | Time Frame |
|---|---|---|
| Blood count | (to measure baseline status) | Week 0 |
| Blood count | (to measure acute effects) | Week 2 |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Jost Langhorst, Prof. Dr. | Sozialstiftung Bamberg | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Sozialstiftung Bamberg | Bamberg | Germany |
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| ID | Term |
|---|---|
| D000084462 | Hyperthermia |
| D005221 | Fatigue |
| ID | Term |
|---|---|
| D001832 | Body Temperature Changes |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D018882 | Heat Stress Disorders |
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| sham group | Other | Within the application, patients in the Sham group will undergo a hyperthermia application with virtually no overheating. To achieve this, the patients are positioned on the hyperthermia device in the same way as the intervention group. An insulating foil applied beforehand prevents direct irradiation with water-filtered infrared-A radiation. This prevents an increase in temperature. Due to the insulating blanket and the natural heat from the device and body, patients in the Sham group experience a gentle warmth that cannot be compared with regular whole-body hyperthermia and an increase in core body temperature of around 1.5°C. The number of treatments, the lighting conditions and procedures including 10L/min oxygen supply, is equal to the treatments in the intervention group. |
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An inventory including 15 Items about the intensity of pain (4 items, numeric rating scales from 1 (no pain) to 10 (worst pain imaginable); primary outcome), pain impairment (7 items with NRS from 1-10) and the efficacy of medications/treatments. |
| Week 0 |
| Brief Pain Inventory (BPI) - Intensity of pain (Numeric Rating Scale, NRS) | An inventory including 15 Items about the intensity of pain (4 items, numeric rating scales from 1 (no pain) to 10 (worst pain imaginable); primary outcome), pain impairment (7 items with NRS from 1-10) and the efficacy of medications/treatments. | Week 3 |
| Brief Pain Inventory (BPI) - Intensity of pain (Numeric Rating Scale, NRS) | An inventory including 15 Items about the intensity of pain (4 items, numeric rating scales from 1 (no pain) to 10 (worst pain imaginable); primary outcome), pain impairment (7 items with NRS from 1-10) and the efficacy of medications/treatments. | Week 15 |
| Pittsburgh Sleep quality index (PSQI) | An inventory including 10 questions (plus subquestions) about the quality of sleep. Most of the questions range from ("Not during the past month" to "thee or more times a week"). The questions can be calculated in seven subscales. | Week 0 |
| Pittsburgh Sleep quality index (PSQI) | An inventory including 10 questions (plus subquestions) about the quality of sleep. Most of the questions range from ("Not during the past month" to "thee or more times a week"). The questions can be calculated in seven subscales. | Week 3 |
| Pittsburgh Sleep quality index (PSQI) | An inventory including 10 questions (plus subquestions) about the quality of sleep. Most of the questions range from ("Not during the past month" to "thee or more times a week"). The questions can be calculated in seven subscales. | Week 15 |
| Generic quality of life | Short Form SF-12 Health Survey Questionnaire; A low total value correlates with a poor quality of life, a higher one with a better one. | Week 0 |
| Generic quality of life | Short Form SF-12 Health Survey Questionnaire; A low total value correlates with a poor quality of life, a higher one with a better one. | Week 3 |
| Generic quality of life | Short Form SF-12 Health Survey Questionnaire; A low total value correlates with a poor quality of life, a higher one with a better one. | Week 15 |
| Quality of life (EQ-5D) | The EQ-5D measures 5 dimensions of quality of life (mobility, self-care, general activities, pain/physical discomfort and anxiety/depression) as well as the general state of health on a VAS from 0-100. | Week 0 |
| Quality of life (EQ-5D) | The EQ-5D measures 5 dimensions of quality of life (mobility, self-care, general activities, pain/physical discomfort and anxiety/depression) as well as the general state of health on a VAS from 0-100. | Week 3 |
| Quality of life (EQ-5D) | The EQ-5D measures 5 dimensions of quality of life (mobility, self-care, general activities, pain/physical discomfort and anxiety/depression) as well as the general state of health on a VAS from 0-100. | Week 15 |
| Anxiety and Depression | Hospital Anxiety and Depression Scale (HADS), 14 items (7 each for depressive symptoms or symptoms of anxiety). The two summated scores of the summated scales HADS-A and HADS-D range between 0 and 21. High scores indicate depressivness and anxiety. | Week 0 |
| Anxiety and Depression | Hospital Anxiety and Depression Scale (HADS), 14 items (7 each for depressive symptoms or symptoms of anxiety). The two summated scores of the summated scales HADS-A and HADS-D range between 0 and 21. High scores indicate depressivness and anxiety. | Week 3 |
| Anxiety and Depression | Hospital Anxiety and Depression Scale (HADS), 14 items (7 each for depressive symptoms or symptoms of anxiety). The two summated scores of the summated scales HADS-A and HADS-D range between 0 and 21. High scores indicate depressivness and anxiety. | Week 15 |
| G-EEE (Generic Rating for Treatment pre-experiences, Treatment Expectations and Treatment effects) | A non validated inventory including 11 items measuring pre-experiences, treatment expectations and treatment effects. | Week 0 |
| G-EEE (Generic Rating for Treatment pre-experiences, Treatment Expectations and Treatment effects) | A non validated inventory including 11 items measuring pre-experiences, treatment expectations and treatment effects. | Week 3 |
| G-EEE (Generic Rating for Treatment pre-experiences, Treatment Expectations and Treatment effects) | A non validated inventory including 11 items measuring pre-experiences, treatment expectations and treatment effects. | Week 15 |
| Perceived Stress (PSS-10) | Perceived stress is determined using the Perceived Stress Scale (PSS). The PSS is an international standard instrument for recording subjective stress levels. The official German 10-item version is used in the study. | Week 0 |
| Perceived Stress (PSS-10) | Perceived stress is determined using the Perceived Stress Scale (PSS). The PSS is an international standard instrument for recording subjective stress levels. The official German 10-item version is used in the study. | Week 3 |
| Perceived Stress (PSS-10) | Perceived stress is determined using the Perceived Stress Scale (PSS). The PSS is an international standard instrument for recording subjective stress levels. The official German 10-item version is used in the study. | Week 15 |
| Canadian consensus criteria (CCC) | This is a questionnaire for the diagnosis of CFS/ME (Carruthers et al. 2003). This definition scheme can be used to clinically confirm the diagnosis of CFS/ME. The list of criteria includes the following symptom complexes: Fatigue, exercise intolerance (PEM), sleep disturbances, pain, neurological or cognitive symptoms, autonomic symptoms, neuroendocrine symptoms and immunological symptoms. | Week 0 |
| Patient Interview | Qualitative telephone interviews with 16-20 patients of the mild whole-body hyperthermia group (Experimental group) to get detailed experiences of the patients (30-45 min). | Week 8-10 |
| Adverse events (AE) | Description of adverse events during the interventions by therapists. | Week 1-2 |
| Patient Diary | Documentation of pain progression, energy level, sleep, medication intake, number of steps, adverse events | Week 1-15 |
| Pedometer (step count) | Individual activity profile | Week 1-15 |
| Blood count | (to measure acute effects) | Week 3 |
| C-reactive Protein (CRP) | Level of C-reactive protein (CRP) in blood to measure inflammation | Week 0 |
| C-reactive Protein (CRP) | Level of C-reactive protein (CRP) in blood to measure inflammation | Week 2 |
| C-reactive Protein (CRP) | Level of C-reactive protein (CRP) in blood to measure inflammation | Week 3 |
| Blood cell sedimenation rate (BSG) | to measure inflammation | Week 0 |
| Blood cell sedimenation rate (BSG) | to measure inflammation | Week 2 |
| Blood cell sedimenation rate (BSG) | to measure inflammation | Week 3 |
| Cytokine panel | Plasma levels of cytokines (TNF-a, IL-6, IL-8, IL-10, etc.) | Week 0 - baseline status |
| Cytokine panel | Plasma levels of cytokines (TNF-a, IL-6, IL-8, IL-10, etc.) | Week 2 - before 3rd application of hyperthermia |
| Cytokine panel | Plasma levels of cytokines (TNF-a, IL-6, IL-8, IL-10, etc.) | Week 3 - after last application of hyperthermia |
| post-Covid autoantibodies | blood parameter | Week 0 - baseline status |
| post-Covid autoantibodies | blood parameter | Week 2 - acute effects |
| post-Covid autoantibodies | blood parameter | Week 3 - acute effects |
| Post-Covid pathogen reactivation | pathogens EBV, CMV, VZV, Pan-/Corona; analysis by Elispot method | Week 0 - baseline status |
| Post-Covid pathogen reactivation | pathogens EBV, CMV, VZV, Pan-/Corona; analysis by Elispot method | Week 3 - acute effects |
| Real time deformability cytometry (RT-DC) | Blood cell characterization | Week 0 - baseline status |
| Real time deformability cytometry (RT-DC) | Blood cell characterization | Week 3 - acute effects |
| D014947 | Wounds and Injuries |