Fatigue SymptomNCT06775262
Chronic Fatigue in the Internal Medicine Outpatient Clinic: a Mixed-methods Quantitative and Qualitative Study
An observational study of Fatigue Symptom and Fatigue, run by Flevoziekenhuis at 1 site in Netherlands.
Trial summary
With this study, the investigators aim to answer the following research questions: 1. In what percentage of cases does the diagnostic process conducted during a fatigue consultation at the internal medicine outpatient clinic contribute to a somatic diagnosis? 2. Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Fatigue Symptom, Fatigue, Fatigue Syndrome, Chronic
- How many people
- 6 participants
- Where
- 1 siteNetherlands
- Study dates
- 20 Dec 2024to 1 Sep 2026
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Study population: Patients from the Almere region in Flevoland who visit Flevo Hospital Almere for a fatigue consultation. They speak Dutch and are over the age of 18. For the retrospective part of this study, the investigators will exclude patients who visited the clinic during the Covid period (before the 1st of April 2022).
Who may be able to join
- Patients under 18 years of age;
- Patients lost to follow-up.
- Patients at the internal medicine outpatient clinic with a referral for fatigue e.c.i. whose consultation did not bring about a somatic diagnosis
Who cannot join
- Patients at the internal medicine outpatient clinic with a referral for fatigue e.c.i.
- Patients who visited the clinic after the 1st of April 2022.
- Cohort 2:
- Patients under 18 years of age;
- Patients that do not speak Dutch fluently
Trial locations and contacts
1 site in 1 country.
About this study
Official title: Patients With Chronic Fatigue Complaints for Whom a Consultation Including Diagnostics do Not Reveal a Somatic Diagnosis Atthe Internal Medicine Outpatient Clinic
With this study, the investigators aim to answer the following research questions:
- In what percentage of cases does the diagnostic process conducted during a fatigue consultation at the internal medicine outpatient clinic contribute to a somatic diagnosis?
- What are the experiences of patients presenting with fatigue at the internal medicine outpatient clinic when a consultation, including diagnostic testing, does not lead to a diagnosis?
Read more
To address question (1), the investigators will conduct a retrospective data analysis using information from HiX, an electronic health record (EHR) system.
To answer question (2), the investigators will conduct a prospective qualitative study through interviews.
Read the detailed description
Chronic fatigue is a prevalent and challenging symptom, affecting an estimated 30% of the general population in the Netherlands for periods longer than six months. Despite its frequency, only a small proportion of patients presenting with fatigue receive a somatic or psychosocial diagnosis, leaving many cases unexplained. This underscores the complexity and subjective nature of fatigue, as well as the need for better understanding and management of this condition in secondary care settings.
The aim of this study is twofold. First, it seeks to determine the effectiveness of diagnostic procedures performed during fatigue consultations at an internal medicine outpatient clinic in contributing to a somatic diagnosis. Second, it aims to explore the experiences of patients for whom these consultations, including diagnostic testing, do not lead to a definitive diagnosis.
This mixed-method study combines quantitative and qualitative approaches. A retrospective analysis of medical records will assess the proportion of fatigue consultations where diagnostics, ie. blood work, an EKG and an X-thorax, result in a somatic diagnosis. Additionally, qualitative interviews will provide insight into the experiences of patients who leave the consultation without a diagnosis. The interviews will have an open characters, based ons principles of "Grounded Theory" (a qualitative research approach that generates theories from data through iterative processes of coding, comparison, and analysis, rather than testing existing hypotheses)
The study will include adult patients referred to an internal medicine outpatient clinic for unexplained fatigue. Data collection will encompass both diagnostic outcomes and patient perceptions, with findings aimed at improving care pathways and diagnostic approaches for individuals with chronic fatigue.
The study will contribute to a deeper understanding of the diagnostic process for fatigue in secondary care and offer insights into the patient experience. This knowledge has the potential to enhance clinical practices and improve patient-centered care for individuals presenting with unexplained fatigue.
- Conditions
- Fatigue Symptom, Fatigue, Fatigue Syndrome, Chronic
- Keywords
- Fatigue, Qualitative study, Quantative study, Diagnostic efficacy, Internal medicine, Interviews, Grounded theory
- Medical subject headings
- Fatigue, Fatigue Syndrome, Chronic
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
| Study group | Role | What they receive |
|---|---|---|
| 1) Adult patients visiting the internal medicine outpatient clinic for unexplained fatigue. | Specifically the investigators will include adult patients at the above described outpatient clinic with chronic fatigue for whom a consult including diagnostics did not bring about a somatic diagnosis. This cohort is investigated in the context of the retrospective part of this study; investigating the outcome and the efficacy of diagnostics, i.e. an ECG, blood work and a chest X-ray, in patients with fatigue symptoms. | |
| 2) Adult patients visiting the internal medicine outpatient clinic for unexplained fatigue. | The investigators will interview patients that have visited the internal medicine outpatient clinic for unexplained fatigue symptoms for whom a consultation including diagnostics did not bring about a somatic diagnosis. The investigators will ask these patients about their experiences shortly after visiting the clinic and 6 months after. This cohort is investigated in the context of the prospective qualitative part of this study. The interviews will have an open character, in accordance with the Grounded Theory methodization. |
What is being measured
The primary outcome is the main question the study is designed to answer.
Results of the blood work
The investigators will determine whether or not pathology is found on the blood work that was done in the context of the fatigue consult. The investigators will determine this on the basis of the conclusion of the internal medicine specialist: Pathology: yes/no.
Measured: The investigators will determine this retrospectively, two weeks time from the time that the patients were seen.
Results of electrocardiogram (ECG)
The investigators will determine whether or not pathology is found on the ECG that was done in the context of the fatigue consult. The investigators will determine this on the basis of the conclusion of the cardiologist: Pathology: yes/no.
Measured: The investigators will determine this retrospectively, two weeks time from the time that the patients were seen.
Results of chest X-ray
The investigators will determine whether or not pathology is found on the chest X-ray that was done in the context of the fatigue consult. The investigators will determine this on the basis of the conclusion of the radiologist: Pathology: yes/no.
Measured: The investigators will determine this retrospectively, two weeks time from the time that the patients were seen.
Experiences of fatigue patients visiting an internal medicine outpatient clinic for whom consultation including diagnostics did not bring about a somatic diagnosis brought about through interviews based on Grounded Theory
These are adult, dutch speaking, native patients, aged 18 to 65 years. They visited the outpatient internal medicine clinic of the Flevoziekenhuis in Almere between the 1st of November 2024 until current.
Measured: The investigators will explore their experiences on two moments: 1-2 months after a consultation and 6 months after a consultation and a year after consultation.
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted15 Jan 2025
- Study start20 Dec 2024
- Primary completion25 Jul 2025
- Study completion1 Sep 2026
Why it stopped: Poor accrual and insufficient timing.
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Fatigue SymptomStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Cohort
- Time perspective
- Other
- Enrolment
- 6 participants (actual)
Sponsor and investigators
- Lead sponsor
- Flevoziekenhuis
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
- Investigators
- Marije Ten Wolde, MD Phd, Principal investigator, Flevoziekenhuis
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT06775262
- Sponsor's protocol ID
- FlevoziekenhuisNL
- Status last verified
- Oct 2026
- First submitted
- 3 Dec 2024
- Last updated
- 30 Oct 2026
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Undecided
Study at a glance
From the registry record, last updated by the sponsor on 30 Oct 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Patients With Chronic Fatigue Complaints for Whom a Consultation Including Diagnostics do Not Reveal a Somatic Diagnosis Atthe Internal Medicine Outpatient Clinic
- ClinicalTrials.gov ID
- NCT06775262
- Acronym / sponsor ID
- FlevoziekenhuisNL
- Conditions
- Fatigue Symptom, Fatigue, Fatigue Syndrome, Chronic
- Keywords
- Fatigue, Qualitative study, Quantative study, Diagnostic efficacy, Internal medicine, Interviews, Grounded theory
- Study type
- Observational
- Recruitment status
- TerminatedReason stopped: Poor accrual and insufficient timing.
- Enrolment
- 6 participants (actual)
- Lead sponsor
- FlevoziekenhuisUniversity, hospital or other
- Study start
- 20 Dec 2024 (actual)
- Primary completion
- 25 Jul 2025 (actual)
- Study completion
- 1 Sep 2026 (actual)
- First posted
- 15 Jan 2025 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
With this study, the investigators aim to answer the following research questions:
- In what percentage of cases does the diagnostic process conducted during a fatigue consultation at the internal medicine outpatient clinic contribute to a somatic diagnosis?
- What are the experiences of patients presenting with fatigue at the internal medicine outpatient clinic when a consultation, including diagnostic testing, does not lead to a diagnosis?
To address question (1), the investigators will conduct a retrospective data analysis using information from HiX, an electronic health record (EHR) system.
To answer question (2), the investigators will conduct a prospective qualitative study through interviews.
Detailed description
Chronic fatigue is a prevalent and challenging symptom, affecting an estimated 30% of the general population in the Netherlands for periods longer than six months. Despite its frequency, only a small proportion of patients presenting with fatigue receive a somatic or psychosocial diagnosis, leaving many cases unexplained. This underscores the complexity and subjective nature of fatigue, as well as the need for better understanding and management of this condition in secondary care settings.
The aim of this study is twofold. First, it seeks to determine the effectiveness of diagnostic procedures performed during fatigue consultations at an internal medicine outpatient clinic in contributing to a somatic diagnosis. Second, it aims to explore the experiences of patients for whom these consultations, including diagnostic testing, do not lead to a definitive diagnosis.
This mixed-method study combines quantitative and qualitative approaches. A retrospective analysis of medical records will assess the proportion of fatigue consultations where diagnostics, ie. blood work, an EKG and an X-thorax, result in a somatic diagnosis. Additionally, qualitative interviews will provide insight into the experiences of patients who leave the consultation without a diagnosis. The interviews will have an open characters, based ons principles of "Grounded Theory" (a qualitative research approach that generates theories from data through iterative processes of coding, comparison, and analysis, rather than testing existing hypotheses)
The study will include adult patients referred to an internal medicine outpatient clinic for unexplained fatigue. Data collection will encompass both diagnostic outcomes and patient perceptions, with findings aimed at improving care pathways and diagnostic approaches for individuals with chronic fatigue.
The study will contribute to a deeper understanding of the diagnostic process for fatigue in secondary care and offer insights into the patient experience. This knowledge has the potential to enhance clinical practices and improve patient-centered care for individuals presenting with unexplained fatigue.
Study design
- Observational model
- Cohort
- Time perspective
- Other
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| 1) Adult patients visiting the internal medicine outpatient clinic for unexplained fatigue. | – | –Specifically the investigators will include adult patients at the above described outpatient clinic with chronic fatigue for whom a consult including diagnostics did not bring about a somatic diagnosis. This cohort is investigated in the context of the retrospective part of this study; investigating the outcome and the efficacy of diagnostics, i.e. an ECG, blood work and a chest X-ray, in patients with fatigue symptoms. |
| 2) Adult patients visiting the internal medicine outpatient clinic for unexplained fatigue. | – | –The investigators will interview patients that have visited the internal medicine outpatient clinic for unexplained fatigue symptoms for whom a consultation including diagnostics did not bring about a somatic diagnosis. The investigators will ask these patients about their experiences shortly after visiting the clinic and 6 months after. This cohort is investigated in the context of the prospective qualitative part of this study. The interviews will have an open character, in accordance with the Grounded Theory methodization. |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
- Study population
- Patients from the Almere region in Flevoland who visit Flevo Hospital Almere for a fatigue consultation. They speak Dutch and are over the age of 18. For the retrospective part of this study, the investigators will exclude patients who visited the clinic during the Covid period (before the 1st of April 2022).
Key inclusion criteria (3 listed)
- Patients under 18 years of age;
- Patients lost to follow-up.
- Patients at the internal medicine outpatient clinic with a referral for fatigue e.c.i. whose consultation did not bring about a somatic diagnosis
Key exclusion criteria (5 listed)
- Patients at the internal medicine outpatient clinic with a referral for fatigue e.c.i.
- Patients who visited the clinic after the 1st of April 2022.
- Patients under 18 years of age;
- Patients that do not speak Dutch fluently
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Results of the blood work
Time frame: The investigators will determine this retrospectively, two weeks time from the time that the patients were seen.
The investigators will determine whether or not pathology is found on the blood work that was done in the context of the fatigue consult. The investigators will determine this on the basis of the conclusion of the internal medicine specialist: Pathology: yes/no.
Results of electrocardiogram (ECG)
Time frame: The investigators will determine this retrospectively, two weeks time from the time that the patients were seen.
The investigators will determine whether or not pathology is found on the ECG that was done in the context of the fatigue consult. The investigators will determine this on the basis of the conclusion of the cardiologist: Pathology: yes/no.
Results of chest X-ray
Time frame: The investigators will determine this retrospectively, two weeks time from the time that the patients were seen.
The investigators will determine whether or not pathology is found on the chest X-ray that was done in the context of the fatigue consult. The investigators will determine this on the basis of the conclusion of the radiologist: Pathology: yes/no.
Experiences of fatigue patients visiting an internal medicine outpatient clinic for whom consultation including diagnostics did not bring about a somatic diagnosis brought about through interviews based on Grounded Theory
Time frame: The investigators will explore their experiences on two moments: 1-2 months after a consultation and 6 months after a consultation and a year after consultation.
These are adult, dutch speaking, native patients, aged 18 to 65 years. They visited the outpatient internal medicine clinic of the Flevoziekenhuis in Almere between the 1st of November 2024 until current.
Results and safety
The study was stopped early (reason given: Poor accrual and insufficient timing.). Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 30 Oct 2026.
- Individual participant dataSharing planned: Undecided
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Marije Ten Wolde, MD Phd principal investigator
Flevoziekenhuis
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Fatigue Symptom and Fatigue, run by Flevoziekenhuis at 1 site in Netherlands.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 3 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: stopped early, as of the sponsor's last update on 30 Oct 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Netherlands. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study was stopped early (reason given: Poor accrual and insufficient timing.). Results are not available in the source record.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Results of the blood work (time frame: The investigators will determine this retrospectively, two weeks time from the time that the patients were seen.). The study lists 4 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 30 Oct 2026.