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TuberculosisPhase 1NCT02845570

Evaluation of Somatostatin Receptor Imaging Using PET/MRI as a Novel Approach to Detecting Pathology in Pulmonary TB

A Phase 1 study testing 68Ga-DOTANOC PET/MRI and 18F-FDG PET/MRI in people with Tuberculosis, run by National University Hospital, Singapore at 2 sites in Singapore.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

Imaging using 68Ga-DOTANOC PET (positron emission tomography) has the potential to detect granulomas in pulmonary tuberculosis, leading to previously unexplored indications for this PET tracer, including identification of subclinical disease in latently infected individuals. Read more about this study

Who is it for?
Ages 21 years and older
Conditions the study is for
Tuberculosis
What is being tested?
68Ga-DOTANOC PET/MRI and 18F-FDG PET/MRI
Could I receive a placebo?
No, everyone receives an active treatment
How many people
8 participants
Where
2 sitesSingapore
Study dates
Jul 2016to Aug 2017
Phase
Phase 1
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 21 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • 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

Who cannot join

  • 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

Trial locations and contacts

2 sites in 1 country.

Singapore2 sites, 2 recruiting
  • National University Hospital

    Singapore

    Claire Naftalin, (65) 6601 5373, claire_naftalin@nuhs.edu.sg

    Recruiting
  • Tan Tock Seng Hospital

    Singapore

    Sonny YT Wang, (65) 6511 5131

    Recruiting

Other trials in Singapore

About this study

Imaging using 68Ga-DOTANOC PET (positron emission tomography) has the potential to detect granulomas in pulmonary tuberculosis, leading to previously unexplored indications for this PET tracer, including identification of subclinical disease in latently infected individuals. This study aims to assess the ability of 68Ga-DOTANOC PET/MRI to detect pulmonary lesions in individuals with active pulmonary tuberculosis.

Read the detailed description

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.

Conditions
Tuberculosis
Being tested
68Ga-DOTANOC PET/MRI, 18F-FDG PET/MRI
Medical subject headings
Tuberculosis

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • 68Ga-DOTANOC PET/MRIOther

  • 18F-FDG PET/MRIOther

Study groups in NCT02845570
Study groupRoleWhat they receive
68Ga-DOTANOC PET/MRIExperimentalComparison between 68Ga-DOTANOC PET/MRI and 18F-FDG PET/MRI scans
Receives: Other: 68Ga-DOTANOC PET/MRI; Other: 18F-FDG PET/MRI

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Standard uptake value (SUV) of 68Ga-DOTANOC in pulmonary TB lesions using PET/MRI

    Measured: Within 28 days of commencing TB treatment

Secondary outcomes (2)
  1. Comparison of uptake of 68Ga-DOTANOC with that of 18F-FDG in pulmonary TB.

    Different uptake values between and within the pulmonary lesions will be measured and compared between the 2 tracers.

    Measured: Within 28 days of commencing TB treatment

  2. Establishment of optimal timing for a 68Ga-DOTANOC PET scan to evaluate TB lung pathology

    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.

    Measured: Over 90 minutes from injection of tracer

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted27 Jul 2016 (estimated)
  2. Study startJul 2016
  3. Primary completionAug 2017 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Other
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
8 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02845570
Sponsor's protocol ID
DOTANOC TB
Status last verified
Jul 2016
First submitted
17 Jul 2016
Last updated
13 Apr 2017
Results posted
No
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing 68Ga-DOTANOC PET/MRI and 18F-FDG PET/MRI in people with Tuberculosis, run by National University Hospital, Singapore at 2 sites in Singapore.

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 5 inclusion and 6 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: status not confirmed, as of the sponsor's last update on 13 Apr 2017. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in Singapore. 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.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

Contact Claire Naftalin ((65) 6601 5373, claire_naftalin@nuhs.edu.sg), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Standard uptake value (SUV) of 68Ga-DOTANOC in pulmonary TB lesions using PET/MRI (time frame: Within 28 days of commencing TB treatment). 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 13 Apr 2017.

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