An interventional study of Exercise Therapy and Psychotherapy in Post-COVID-19 Syndrome, sponsored by Hannover Medical School. Completed at 1 site in Germany. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-08-17.
Sponsored by Hannover Medical School · Not applicable, Interventional, and Treatment
Post-Covid(PoC)-patients with fatigue symptoms respond very differently to physical rehabilitation programs. While PoC-patients with psychological symptoms benefit little from physical interventions, fatigue and exercise capacity improves significantly without the presence of psychological symptoms. RCT studies on effects of psychotherapy or the combination of phsical activity with psychotherapy in PoC are not yet available. Therefore, the aim is to investigate the unimodal effects of psychotherapy and exercise therapy or the combination of both on fatigue in PoC patients with fatigue in a randomized clinical trial. Patients will be assigned to the three intervention groups (psychotherapy, physical rehabilitation, combination of both) stratified for sex, gender and BMI status.
The intervention duration is 3 months with therapeutic online sessions for 50 min every 2 weeks. After another 3 months without intervention, the sustainability will evaluated. Secondarily, the investigators analyzes which patient benefits most from which therapeutic approach and seek for specific predictors of patient´s individual response.
520 studies on the registry are indexed under Post-Acute COVID-19 Syndrome; 186 are open to participants now.
This study's enrollment of 195 is above the median of 60 across 361 interventional studies indexed under Post-Acute COVID-19 Syndrome.
Browse Post-Acute COVID-19 Syndrome studies →Hannover Medical School is the lead sponsor of 198 studies on the registry; 24 are open to participants now.
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Exclusion Criteria:
Six online consultations focusing on exercise therapy, each lasting 50 minutes every two weeks, resulting in 300 min in 3 months.
Behavioral: Exercise Therapy
Six online consultations focusing on psychotherapy, each lasting 50 minutes every two weeks, resulting in 300 min in 3 months.
Behavioral: Psychotherapy
Both interventions (exercise and psychotherapy) are combined. Six biweekly online session with 50% exercise therapy (a 25 min) and 50% psychotherapy (a 25 min) will take place, resulting in 300 min overall therapy in 3 months. The content of the procedure is simultaneous to the interventions described in the exercise therapy arm and the psychotherapy arm, respectively.
Behavioral: Exercise Therapy · Behavioral: Psychotherapy
Six online consultations will take place on the basis of the sports medicine assessment every two weeks, resulting in 300 min in 3 months. For the home-based implementation, participants receive wearables with which the activity and training data are collected. In conjunction with feedback, the goal is to ensure that the interventions lead to improvements in self-control, reduced resilience, and fatigue without overwhelming participants with volume or intensity. Due to the expected large differences in personal performance, determined in the initial assessment, the exercise plan is individually designed and regularly adjusted. This includes control of everyday activity as well as moderate endurance and strengthening exercises totalling up to 30min daily. The individual training intensity is below the aerobic lactate threshold so that overload is avoided. The average training heart rate is planned to be in the range between 50 and 70% of the maximum heart rate.
Six online consultations will take place based on the psychosocial assessment and the initial psychosomatic interview every two weeks, resulting in 300 min in 3 months. A structured, telemedicine-supported, modularized, brief psychosomatic intervention is planned with a focus on psychoeducational elements, promotion of self-management, improvement of illness acceptance, modification of self-monitoring, and learning to cope with altered performance levels. The six modularized telemedical sessions taking into account the specific deficits identified in the psychosomatic evaluation. Within the sessions, starting points are identified with the patients, which the patients can work on independently between the sessions.
Fatigue
Measured with the Fatigue Assessment Scale (FAS). The FAS is a 10-question assessement scale with five questions related to physical fatigue and 5 questions (questions 3 and 6-9) related to mental fatigue. The total score ranges from 10 to 50. A total FAS score \< 22 indicates no fatigue, a score ≥ 22 indicates fatigue, and a score \> 35 indicates extreme fatigue.
Time frame: The questionnaire will be completed at baseline, after the intervention (after 3 months), and after another 3-month observation period (after 6 months).
Health-related quality of life
Measured with the Short Form-36 (SF-36) questionnaire. The 36 questions of the SF-36 are designed to reflect 8 domains of health, including physical functioning, physical role, pain, general health, vitality, social functioning, emotional role, and mental health. The range is 0-100, with higher scores indicating higher quality of life. In addition, a physical (PCS) and mental (MCS) composite score can be calculated.
Time frame: The questionnaire will be completed at baseline, after the intervention (after 3 months), and after another 3-month observation period (after 6 months).
Depression and Anxiety
Measured with the Hospital Anxiety and Depression Scale (HADS). The HADS questionaire consists of fourteen items pertaining to the two subscales for anxiety and depression. Scores for the anxiety and depression subscale range from 0 to 21, with higher score indicating more severe anxiety or depression. Values can be interpreted as normal from 0-7 points, mild (8-10 points), moderate (11-14 points), and severe (15-21 points).
Time frame: The questionnaire will be completed at baseline, after the intervention (after 3 months), and after another 3-month observation period (after 6 months).
Physical and psychological fatigue severity
Measured with the Chalder Fatigue Skala (CFS). The 11-part self-report instrument consists of a total scale and two subscales, physical and psychological fatigue. The maximum total score is 33, with higher scores indicating higher levels of fatigue. The maximum score for physical fatigue is 21 (7 items) and for mental fatigue is 12 (4 items). Additionally, a binary code can be calculated for each of the 11 items (0 and 1 = 0; 2 and 3 = 1) to identify cases of severe fatigue. A total score of 4 or more indicates severe fatigue.
Time frame: The questionnaire will be completed at baseline, after the intervention (after 3 months), and after another 3-month observation period (after 6 months).
Post-exertional malaise
The post-exertional malaise scale (PEM-scale) uses five different 5-point Likert scales to assess the frequency or severity of PEM symptoms and a 7-point Likert scale to assess the duration of PEM evaluate resulting in a maximum score of 46.
Time frame: The questionnaire will be completed at baseline, after the intervention (after 3 months), and after another 3-month observation period (after 6 months).
Multidimensional Fatigue Inventory
The Multidimensional Fatigue Inventory questionaire (MFI-20) is a 20-item self-assessment instrument consisting of five subscales: (1) general fatigue, (2) physical fatigue, (3) decreased activity, (4) decreased motivation, and (5) mental fatigue. Each subscale consists of four items with response options on a five-point Likert scale (1 = yes, that applies, 5 = no, that does not apply). Higher scores indicate higher levels of fatigue
Time frame: The questionnaire will be completed at baseline, after the intervention (after 3 months), and after another 3-month observation period (after 6 months).
Disability
The Bell Disability Scale includes eleven statements about the level of physical function. The scale is rated in increments of 10, from 0 (very severe, constantly bedridden) to 100 (healthy).
Time frame: The questionnaire will be completed at baseline, after the intervention (after 3 months), and after another 3-month observation period (after 6 months).
Work ability
The work ability index questionnaire (WAI) contains seven questions concerning work, work ability and health, resulting in a total score ranging from seven to 49, with higher values representing greater work ability.
Time frame: The questionnaire will be completed at baseline, after the intervention (after 3 months), and after another 3-month observation period (after 6 months).
Illness Perception
The Brief Illness Perception Questionnaire (IPQ) assesses cognitive and emotional illness perception. The here used short IPQ contains eight new items as well as part of the causal scale previously used in the IPQ-R. All items except the causal question are rated on a scale of 0 to 10. Five of the items assess cognitive representations of illness: consequences (Item 1), time frame (Item 2), personal control (Item 3), treatment control (Item 4), and identity (Item 5). Two of the items capture emotional representations: concern (item 6) and feelings (item 8). One item assesses the comprehensibility of the illness (Item 7). The causal representation is assessed using an open-response item in which patients are asked to list the three most important causal factors for their illness (Item 9)
Time frame: The questionnaire will be completed at baseline, after the intervention (after 3 months), and after another 3-month observation period (after 6 months).
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Hannover Medical School