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Thyroid CancerNCT03397238

Myeloid Cell Reprogramming in Thyroid Carcinoma

An observational study of Thyroid Cancer, run by Radboud University Medical Center at 1 site in Netherlands.

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

This study investigates the reprogramming of myeloid cells in patients with thyroid carcinoma. The investigators hypothesize that tumor-derived factors change the function of myeloid cells (peripheral blood and bone marrow-derived) in such a way that these immune cells promote tumor growth rather than combat the tumor. Read more about this study

Who is it for?
Ages 18 years and olderHealthy volunteers can take part
Conditions the study is for
Thyroid Cancer
How many people
41 participants
Where
1 siteNetherlands
Study dates
6 Mar 2018to 5 Jan 2021
Phase
Observational
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
  • Healthy volunteers accepted
  • Adult, Older adult

Study population: Primary care clinic

Who may be able to join

  • Group 1:
  • Subject is newly diagnosed with TC, therapy-naive and is planned to receive conventional treatment by surgery followed by RAI; no evidence of local or distant metastases
  • Group 2:
  • Subject has TC with evidence of distant metastases (either newly diagnosed or therapy-naive or patients with persistent or recurrent disease); at least 4 months since the previous treatment with RAI if applicable
  • Group 3:
  • Subject is diagnosed with MNG, is euthyroid, and is planned to undergo surgery - Group 4: Subject is diagnosed with MNG, is euthyroid, and is planned to receive RAI treatment
  • Group 5: Healthy individuals who are euthyroid and have no evidence of thyroid disease

Who cannot join

  • Mentally incompetent
  • Pregnant, trying to become pregnant or breastfeeding
  • Known inflammatory or infectious diseases or an immunosuppressive status
  • Using medication interfering with the immune system
  • Reduced platelet counts or other conditions associated with an increased risk of bleeding
  • Severe comorbidities: other active malignancy (except for basal cell carcinoma)
  • Serious psychiatric pathology
  • A self-reported alcohol consumption of >21 units per week

Trial locations and contacts

1 site in 1 country.

Netherlands1 site
  • Radboudumc

    Nijmegen, 6525GA

Other trials in Netherlands

About this study

Official title: Myeloid Cell Reprogramming in the Context of Radioiodine Therapy in Patients With Non-Medullary Thyroid Carcinoma

This study investigates the reprogramming of myeloid cells in patients with thyroid carcinoma. The investigators hypothesize that tumor-derived factors change the function of myeloid cells (peripheral blood and bone marrow-derived) in such a way that these immune cells promote tumor growth rather than combat the tumor.

Read the detailed description

Description of the problem:

Non-medullary thyroid carcinoma (TC) is the most common endocrine malignancy and its incidence is one of the most rapidly increasing among the cancer types. For many patients with advanced and poorly differentiated tumors, treatment options are limited and the prognosis of advanced stage metastatic disease remains poor.

Envisioned solution/research direction:

To improve the patients outcome and identify novel therapeutic targets, one needs a 'systems understanding' of the pathophysiology of tumors, particularly the complex interaction of the malignant cells with other cell types in the tumor en the tumor environment (TME), especially immune cells. Tumor-associated macrophages (TAMs), the most dominant myeloid population in aggressive thyroid tumors, exhibit a distorted phenotype functioning predominantly as tumor enhancer. Despite the progress in understanding the importance of TAMs, the in-depth characterization of different TAMs populations is lacking and the mechanisms governing the functional polarization of TAMs are largely unknown. Understanding the interplay between TAMs and tumor cells represents a crucial step towards development of additional therapeutic strategies in cancer.

Hypothesis:

  1. We first propose that in advanced TC, not only TAMs, but also circulating monocytes and bone marrow (BM) myeloid progenitors are functionally reprogrammed by tumor-derived factors even before their recruitment in the TME.
  2. Radioactive iodide (I131)(RAI) is a very effective therapy for patients with TC, but is less effective in patients with advanced, metastatic tumors. We hypothesize that by exposing tumor antigens to the immune system, RAI might induce immunogenic effects at the level of the TME with reprogramming of both TAMs present in the TME and circulating monocytes, towards a tumor suppressive phenotype. This may further potentiate the effects of RAI. In addition this could be explored in the future as a basis for immunotherapy for tumors that are refractory to conventional treatment.
Conditions
Thyroid Cancer
Keywords
myeloid cell, reprogramming, monocyte, tumor-associated macrophage
Medical subject headings
Thyroid Neoplasms

What participants receive

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

Study groups in NCT03397238
Study groupRoleWhat they receive
Non-metastatic TCblood withdrawal, bone marrow aspiration
Metastatic TCblood withdrawal, bone marrow aspiration
MNG surgeryblood withdrawal, bone marrow aspiration
MNG RAI treatmentblood withdrawal
Healthy volunteersblood withdrawal

What is being measured

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

  1. Transcriptional reprogramming of myeloid cells

    RNAseq

    Measured: baseline

  2. Epigenetic reprogramming of myeloid cells

    ATAC-seq

    Measured: baseline

  3. Functional reprogramming of myeloid cells

    Cytokine response

    Measured: baseline

Secondary outcomes (2)
  1. Metabolites

    Presence and level metabolites

    Measured: baseline

  2. Change of reprogramming after RAI treatment

    RNAseq

    Measured: baseline and 7 days after RAI treatment

Timeline

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

  1. First posted11 Jan 2018
  2. Study start6 Mar 2018
  3. Primary completion26 Nov 2019
  4. Study completion5 Jan 2021

Resources

More details

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

Study design
Study type
Observational
Observational model
Case-control
Time perspective
Prospective
Enrolment
41 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03397238
Sponsor's protocol ID
NL62671.091.17
Other IDs
2017-3628
Status last verified
Nov 2020
First submitted
18 Dec 2017
Last updated
9 Feb 2022
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

An observational study of Thyroid Cancer, run by Radboud University Medical Center at 1 site in Netherlands.

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 8 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 9 Feb 2022. 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 Netherlands. 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.

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?

Transcriptional reprogramming of myeloid cells (time frame: baseline). 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?
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 9 Feb 2022.

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