Evaluation of Somatostatin Receptor Imaging Using PET/MRI as a Novel Approach to Detecting Pathology in Pulmonary TB
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljeret beskrivelse
Granulomas, the hallmark of tuberculosis (TB) infection, have an increased density of somatostatin receptors. Somatostatin analog PET tracers, such as 68Ga-DOTANOC, may be able to identify these pulmonary granulomas. Although currently used for other medical indications, 68Ga-DOTANOC PET scanning has not previously been used to detect TB lesions.
This is a pilot study which aims to assess the ability of 68Ga-DOTANOC PET/MRI to detect pulmonary lesions in individuals with active pulmonary tuberculosis. The 68Ga-DOTANOC PET scan and 'standard' 18F-fludeoxyglucose (FDG) PET scan will be compared to enable analysis of differences in uptake between these tracers in terms of number, size and distribution of lesions.
Demonstrating the clinical utility of 68Ga-DOTANOC in active pulmonary TB is necessary prior to using this PET tracer to further explore other potential uses in TB such as identifying individuals with latent TB who are at risk of progressing to active TB, measuring therapeutic response to TB treatment and identifying extrapulmonary lesions.
Undersøgelsestype
Undersøgelsestype
Tilmelding (Forventet)
Tilmelding
Fase
Fase
- Fase 1
Kontakter og lokationer
Studiekontakt
Studiekontakt
- Navn: Claire Naftalin
- Telefonnummer: (65) 6601 5373
- E-mail: claire_naftalin@nuhs.edu.sg
Studiesteder
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-
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Singapore, Singapore
- Rekruttering
- National University Hospital
-
Kontakt:
- Claire Naftalin
- Telefonnummer: (65) 6601 5373
- E-mail: claire_naftalin@nuhs.edu.sg
-
Singapore, Singapore
- Rekruttering
- Tan Tock Seng Hospital
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Kontakt:
- Sonny YT Wang
- Telefonnummer: (65) 6511 5131
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Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Age 21 years and above
- Willing to comply with the study visits and procedures
- Willing and able to provide written informed consent
- Clinical diagnosis of pulmonary TB with characteristic symptoms and compatible X-ray findings plus microbiological confirmation with one or more of (i) Acid fast bacilli (AFB) smear-positive or (ii) molecular test positive or (iii) TB culture positive
- Not on TB treatment or have completed less than 28 days of TB treatment
Exclusion Criteria:
- Diabetes that is, in the judgment of the investigator, so poorly controlled that it would prevent adequate PET scanning
- Cardiac pacemaker, aneurysm clip or other metallic implant considered unsafe for MRI
- Known chronic kidney disease
- Occupation involving substantial exposure to radiation
- Malignancy requiring chemotherapy or radiation
- Women who are currently pregnant or breastfeeding
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Andet
- Tildeling: N/A
- Interventionel model: Enkelt gruppeopgave
- Maskning: Ingen (Åben etiket)
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Eksperimentel: 68Ga-DOTANOC PET/MRI
Comparison between 68Ga-DOTANOC PET/MRI and 18F-FDG PET/MRI scans
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Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
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Standard uptake value (SUV) of 68Ga-DOTANOC in pulmonary TB lesions using PET/MRI
Tidsramme: Within 28 days of commencing TB treatment
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Within 28 days of commencing TB treatment
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Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Comparison of uptake of 68Ga-DOTANOC with that of 18F-FDG in pulmonary TB.
Tidsramme: Within 28 days of commencing TB treatment
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Different uptake values between and within the pulmonary lesions will be measured and compared between the 2 tracers.
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Within 28 days of commencing TB treatment
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Establishment of optimal timing for a 68Ga-DOTANOC PET scan to evaluate TB lung pathology
Tidsramme: Over 90 minutes from injection of tracer
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The net tracer uptake rate for 68Ga-DOTANOC (Ki) will be derived from kinetic analysis in combination with dynamic imaging and the relationship between SUV and Ki.
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Over 90 minutes from injection of tracer
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Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Samarbejdspartnere
Samarbejdspartnere
Datoer for undersøgelser
Studer store datoer
Studiestart
Studiestart
Primær færdiggørelse (Forventet)
Primær færdiggørelse
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
- Infektioner
- Luftvejsinfektioner
- Luftvejssygdomme
- Lungesygdomme
- Bakterielle infektioner
- Bakterielle infektioner og mykoser
- Gram-positive bakterielle infektioner
- Actinomycetales infektioner
- Mycobacterium infektioner
- Tuberkulose
- Tuberkulose, lunge
- Molekylære mekanismer for farmakologisk virkning
- Radiofarmaceutiske præparater
- Fluorodeoxyglucose F18
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- DOTANOC TB
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