- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02452073
An Analysis of the Relative Risk for Low Triiodothyronine Syndrome in Patients With Chronic Radiation Enteritis
Radiation enteritis (RE) is by simple definition an inflammatory process occurring at the level of the intestines as a response to abdominal or pelvic radiation energy exposure. Due to the dosage of radiation, sensitivity of organs to radiation, and some patient characteristics, RE can present as either an acute or chronic syndrome. Clinical manifestations differ but may include abdominal pain, malabsorption, diarrhea, cachexia, intestinal bleeding, obstruction, and even perforation, which compromise quality of life. For many years, radiotherapy of the abdominal or pelvic region is commonly used for a significant percentage of patients with rectosigmoid and genitourinary system tumors. Different techniques have been developed to prevent the occurrence of radiation induced injury. However, the incidence of CRE is expected to continue to rise during the coming years. What's more, abdominal or pelvic radiotherapy can also lead to other side effects in addition to RE, such as skin desquamation, local soft tissue injury, and so on. Till now, lots of attention is only paid to local complications, there is little report on systemic damage of abdominal or pelvic radiotherapy.
Low triiodothyronine syndrome (LT3S), a condition characterized by low circulating triiodothyronine (T3) levels, normal thyroxine (T4), free thyroxine (FT4) and thyroid-stimulating hormone (TSH) levels in the absence of an intrinsic thyroid disease, is variously known as the "nonthyroidal illness syndrome (NTIS)". This condition is frequently detected in critical illness. Reichlin et al. first noticed that some aspects of thyroid hormone metabolism might change during many chronic illnesses as early as 1973. Data has shown that about 35-70% of acute and chronic critical conditions were associated with a significant abnormal thyroid hormone metabolism, of which LT3S was the most common type. Furthermore, these changes have been shown to be associated with disease severity and have been connected with poor short-term prognosis.
To date, there are lots of literatures include detailed reports on the relationship between LT3S and chronic illnesses such as rheumatoid arthritis, systemic lupus erythematosus, sepsis, and so on. However, no systematic analysis of LT3S in patients with CRE has been undertaken. As such, the present study aimed to investigate the frequency of LT3S in CRE patients.
Study Overview
Status
Intervention / Treatment
Study Type
Enrollment (Actual)
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- patients with chronic radiation enteritis
- patients with some kinds of malignant tumors but had not previously received radiotherapy
- age-matched healthy volunteers
Exclusion Criteria:
- Patients with a chronic disease other than CRE, including RA, SLE, thyroid illness, infectious diseases, and hepatic or renal disorders were excluded.
- patients have taken any drugs that may influence thyroid hormone secretion and metabolism during the previous 3 months.
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
CRE group
patients with chronic radiation enteritis
|
|
malignancy group
patients with some kinds of malignant tumors but had not previously received radiotherapy
|
|
control group
age-matched healthy volunteers
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
morbidity
Time Frame: one year
|
The results will be expressed as percentage
|
one year
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- JinlingH
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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