- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT04037410
Environmental Temperature and White Adipose Tissue in Cancer Patients
Effects of Environmental Temperature on White Adipose Tissue Thermogenic Capacity of Cancer Patients
Studieoversigt
Status
Betingelser
Detaljeret beskrivelse
Obesity is characterized by excessive white adipose tissue (WAT) that increases risk for disease. About 700 million adults are obese worldwide, designating the need of reducing excessive WAT in humans and subsequently the risk for disease. For this reason, previous research focused on the thermogenic capacity of white adipocytes in response to cold exposure. Cold exposure represents a main stimulus for increased thermogenic capacity in human white adipocytes, which may have an impact on body weight loss and subsequently on obesity phenomenon.
In a cohort of 202 cancer patients (male=126), who undertook a Positron Emission Tomography (PET/CT), we retrospectively investigated the association between Tenv and thermogenic capacity of subcutaneous WAT (dorsolumbar region near vertebrae L3 and abdominal region). These patients undertook a PET/CT examination in order to define their disease status. They were given instructions in advance to refrain from smoking, exercise and excessive muscle stressors 24-hour prior to their examination. On the day of the measurements they advised to transport themselves by car to the PET/CT Laboratory between 08:00 am to 12 pm, following at least a 6-hour fasting. Patients were first injected an appropriate dose of 18F-FDG (based on their body weight) and then they were remained in a sitting relaxed position within a quiet room of 22-24°C for 60 minutes. Following this period, patients undertook the PET/CT examination, which included on average eight bed positions, while four minutes scanning per bed position was used.
PET/CT imaging analysis for WAT activity (dorsolumbar region near vertebrae L3 and abdominal region) was performed by two independent trained physicians, using previous methodology.
Undersøgelsestype
Tilmelding (Faktiske)
Kontakter og lokationer
Studiesteder
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Thessaly
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Tríkala, Thessaly, Grækenland, 42100
- Petros Dinas
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Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Barn
- Voksen
- Ældre voksen
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
Inclusion Criteria:
- Cancer patients who undertook a PET/CT examination independently of their disease status
Exclusion Criteria:
- Examinations prior to 2016
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
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Assessment of thermogenic capacity of white adipocytes
Tidsramme: The SUV of white adipocytes for each patient was measured once via the PET/CT software between 10-30 May 2019.
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Thermogenic capacity of white adipocytes was measured via Positron Emission Tomography/computed tomography (PET/CT) device, unit of measurement: Standardized Uptake Value (SUV)
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The SUV of white adipocytes for each patient was measured once via the PET/CT software between 10-30 May 2019.
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Environmental temperature
Tidsramme: The daily environmental temperature was obtained from Weather Underground (www.wunderground.com) on the 10th May 2019
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The daily environmental temperature was obtained in degrees Celsius for the period 1-1-2016 to 30-4-2019.
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The daily environmental temperature was obtained from Weather Underground (www.wunderground.com) on the 10th May 2019
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Samarbejdspartnere og efterforskere
Sponsor
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Andre undersøgelses-id-numre
- 2. Tenv & cancer patient
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
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