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Lung NeoplasmsPhase 1NCT01218854

A Comparison of Methods for Assisting Needle Angle Selection During Image-guided Tissue Biopsy

A Phase 1 study testing Needle angle measurement in people with Lung Neoplasms and Liver Neoplasms, run by National Institutes of Health Clinical Center (CC) at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Background: Currently, standard procedures for biopsies that are guided by computed tomography (CT) imaging involve CT scans and a computer program to plan and illustrate where the physician will place the needle to obtain the required cells or tissue. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Lung Neoplasms, Liver Neoplasms, Kidney Neoplasms
What is being tested?
Needle angle measurement
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
17 participants
Where
1 siteUnited States
Study dates
20 Mar 2012to 16 Nov 2016
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 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Patients must fulfill all of the following criteria to be eligible for study admission:
  • All patients must be undergoing a CT-guided biopsy.
  • Age greater than 18 years.
  • No serious concurrent medical illness that would preclude the patient from making a rational informed decision on participation.
  • The ability to understand and willingness to sign a written informed consent form, and to comply with the protocol. If in question, an ethics consult will be obtained.
  • Ability to follow breathing instructions like holding breath (if procedure is to be performed without general anesthesia).
  • Patients must be actively enrolled on an NIH protocol and be scheduled for a CT-guided biopsy.

Who cannot join

  • Patients with an altered mental status that precludes understanding or consenting for the biopsy procedure will be excluded from this study.
  • Patients unlikely to be able to hold reasonably still on a procedure table for the length of the procedure.
  • Patients with any known allergy to plastics or polymers (since the Ultem -polymer could theoretically induce a rash in these patients, even though it is hypoallergenic).
  • Inability to follow breathing instructions, if without general anesthesia.
  • Patients with pacemakers or automatic implantable cardiac defibrillators.
  • Gross body weight above the CT table limit (450 pounds).

Trial locations and contacts

1 site in 1 country.

United States1 site
  • National Institutes of Health Clinical Center

    Bethesda, Maryland, 20892

Other trials in United States

About this study

Official title: A Comparison of Methods for Assisting Needle Angle Selection During Image-Guided Tissue Biopsy

Background:

  • Currently, standard procedures for biopsies that are guided by computed tomography (CT) imaging involve CT scans and a computer program to plan and illustrate where the physician will place the needle to obtain the required cells or tissue. Inserting the biopsy needle at the planned angle is not an easy task, because the appropriate angle of insertion must be estimated based on prior experience. Researchers are studying experimental techniques that might provide better guidance about the right angle to insert the biopsy needle and thereby improve the collection of the appropriate biopsy cells or tissue.
Read more

Objectives:

  • To evaluate the effectiveness of two biopsy needle guidance methods in CT-guided tissue biopsy.

Eligibility:

  • Individuals at least 18 years of age who are scheduled to have CT-guided tissue biopsy.

Design:

  • Participants will have a tissue biopsy guided by CT scans and either a laser system or a plastic block to illustrate the appropriate angle of insertion. The skin will be numbed with anesthetic to minimize discomfort during the procedure.
  • Before inserting the biopsy needle, the study physician will hold the needle in place so that a Food and Drug Administration-approved medical GPS (electromagnetic tracking) system can measure the needle angle as it enters the tissue.
  • After the needle angle data has been collected, researchers will proceed with the actual biopsy procedure as it would normally occur, using standard methods.
  • No additional treatment will be provided as part of this protocol.
Read the detailed description

Background:

  • Currently, standard/conventional CT-guided biopsies proceed as follows the physician:
  1. obtains a pre-procedural CT scan,
  2. plans the needle s angle based on this CT scan,
  3. selects the angle at which the needle should be inserted based on the pre-procedural CT scan,
  4. inserts the needle while aiming to replicate that planned needle angle by using only their visual-spatial abilities, and
  5. re-images the patient to confirm needle location followed by needle repositioning, if needed.
  • Improving upon these standard methods of needle placement could have widespread benefits (e.g. improved diagnostic tissue sampling, decreased needle repositionings, etc.) We will be studying three needle angle selection systems. The laser-assisted needle angle selection system or LNASS, is a custom fabricated device that uses a Class II pointer similar to ones used for pointing at slides during lectures.

Objectives:

  • To compare the angle difference between L-NASS (Method A) and the standard method (clinician intuition/conventional method)
  • To compare the angle difference between B-NASS (Method B) and the standard method (clinician intuition)
  • To compare the angle difference between the mobile device-NASS or MD-NASS (C) and the standard method (clinician intuition/conventional method)

Eligibility:

  • Ages Eligible for Study: 18 Years and older
  • Genders Eligible for Study: Both
  • Inclusion:
  • Must be undergoing a scheduled CT-guided biopsy.
  • Must have ability to follow breathing instructions like holding breath (if procedure is to be performed without general anesthesia).
  • Exclusion:
  • No serious concurrent medical illness that would preclude the patient from making a rational informed decision on participation.
  • Any known allergy to plastics or polymers (since the Ultem polymer could theoretically induce a rash in these patients, even though it is hypoallergenic).
  • Pacemakers or automatic implantable cardiac defibrillators.
  • Gross body weight above the CT table limit (450 pounds).

Design:

  • Primary outcome measure for the first arm is: --The difference between planned and achieved needle angle of a laser-assisted needle angle selection system with the standard method (clinician s intuition or conventional method) of CT-guided biopsy.
  • Primary outcome measure for the second arm is: --The difference between planned and achieved needle angle of a block with pre-drilled needle angles with the standard method (clinician s intuition or conventional method) of CT-guided biopsy
  • Primary outcome for the third arm is: --The difference between planned and achieved needle angle of a mobile device-assisted needle angle selection system with the standard method (clinician's intuition or conventional method) of CT-guided biopsy.
  • The tool for measuring the needle angles will be an FDA-approved electromagnetic tracking system, which tracks needle movement and position.
  • These comparisons will be done as a bystander study.
  • Needle guidance system will only be used initially to select the angle during a superficial, shallow needle insertion at the skin surface (less than 1 cm deep).
  • At no time will the needle enter tissue that it wouldn t have otherwise entered as none of the system will be used to perform the biopsies at this time.
  • The key portions of the procedure will not be altered in any substantive way.
Being tested
Needle angle measurement
Keywords
Biopsy, Surgical Navigation, Image-guided Therapy, CT- Guided Biopsy, Cancer
Medical subject headings
Lung Neoplasms, Liver Neoplasms, Kidney Neoplasms, Neoplasms

What participants receive

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

  • Needle angle measurementDevice

    The tool for measuring the needle angles will be an FDA-approved EM tracking system. At no time will the needle enter tissue that it wouldn t have otherwise entered as neither system will be used to perform the biopsies at this time.

Study groups in NCT01218854
Study groupRoleWhat they receive
B-NASSExperimentalBlock assisted needle angle selection system
Receives: Device: Needle angle measurement
L-NASSExperimentallaser assisted needle angle selection system
Receives: Device: Needle angle measurement
MD-NASSExperimentalmobile-device assisted needle angle selection system
Receives: Device: Needle angle measurement

What is being measured

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

  1. Difference between L-NASS and standard method

    Data is currently undergoing analysis

    Measured: Completion of study

  2. Differnce between B-NASS and standard method

    Data is currently undergoing analysis

    Measured: Completion of study

  3. The difference between MD-NASS and standard method

    Data is currently undergoing analysis

    Measured: Completion of study

Timeline

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

  1. First posted11 Oct 2010 (estimated)
  2. Study start20 Mar 2012
  3. Primary completion16 Nov 2016
  4. Study completion16 Nov 2016

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
Diagnosis
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
17 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01218854
Sponsor's protocol ID
100217
Other IDs
10-CC-0217
Status last verified
Sep 2025
First submitted
8 Oct 2010
Last updated
22 Sep 2025
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Undecided: It is not yet known if there will be a plan to make IPD available and still undecided.

Publications

  • Miaux Y, Guermazi A, Gossot D, Bourrier P, Angoulvant D, Khairoune A, Turki C, Bouche E. Laser guidance system for CT-guided procedures. Radiology. 1995 Jan;194(1):282-4. doi: 10.1148/radiology.194.1.7997570.

    PubMed 7997570
  • Pereles FS, Baker M, Baldwin R, Krupinski E, Unger EC. Accuracy of CT biopsy: laser guidance versus conventional freehand techniques. Acad Radiol. 1998 Nov;5(11):766-70. doi: 10.1016/s1076-6332(98)80260-2.

    PubMed 9809074
  • Jacobi V, Thalhammer A, Kirchner J. Value of a laser guidance system for CT interventions: a phantom study. Eur Radiol. 1999;9(1):137-40. doi: 10.1007/s003300050644.

    PubMed 9933397

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing Needle angle measurement in people with Lung Neoplasms and Liver Neoplasms, run by National Institutes of Health Clinical Center (CC) at 1 site in United States.

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 7 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: finished, as of the sponsor's last update on 22 Sep 2025. 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 United States. 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?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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?

Difference between L-NASS and standard method (time frame: Completion of study). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01218854, which also lists 3 linked publications.

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 22 Sep 2025; AzTrials last refreshed its copy on 30 Oct 2026.

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