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IL2 Imaging in Metastatic Melanoma

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ClinicalTrials.gov Identifier: NCT02922283
Recruitment Status : Terminated (After an interim analysis of the data, it became clear that the imaging results did not correlate to the primary outcome measures in this subset of patients.)
First Posted : October 4, 2016
Last Update Posted : March 23, 2020
Sponsor:
Information provided by (Responsible Party):
G.A.P. Hospers, University Medical Center Groningen

Brief Summary:

T cell infiltration of tumor lesions is a known prognostic factor in several tumor types and is used as treatment mechanism in some of these tumor types. In metastatic melanoma, treatment with immune checkpoint inhibitors induces clinical benefit in about 30-50% of the patients. These immune-based therapies are however accompanied by serious immune-related adverse events and high costs.

Tumor infiltrating T cells express the high affinity interleukin-2 (IL2) receptor on their surface. These T cells could therefore be visualized by molecular imaging with a radio-labelled ligand for this receptor. For this purpose, the investigators have developed the PET tracer [18F]FB-IL2.

The study commences with a biodistribution study (phase 1) in 5 subjects. Thereafter the main study (phase 2) starts, in which 25 subjects will receive two [18F]FB-IL2 PET scans at baseline and week 6 of treatment with either ipilimumab, nivolumab, pembrolizumab or the combination of ipilimumab and nivolumab. If [18F]FB-IL2 PET is able to detect a response to treatment, it could serve as a non-invasive early indicator of T cell response to the treatment. Besides, accumulation of the PET tracer in non-target tissue could indicate infiltration of activated T cells in normal organs and thus may predict the development of an immune-related adverse event.


Condition or disease Intervention/treatment Phase
Melanoma Device: IL2-PET scan Procedure: Tumor biopsy Device: CT scan Procedure: Biopsy of non-target tissue Not Applicable

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 19 participants
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Diagnostic
Official Title: [18F]FB-IL2 Imaging of T Cell Response as Biomarker to Guide Treatment Decisions in Metastatic Melanoma Patients
Actual Study Start Date : October 20, 2016
Actual Primary Completion Date : February 14, 2020
Actual Study Completion Date : February 14, 2020

Resource links provided by the National Library of Medicine


Arm Intervention/treatment
Experimental: IL2-PET scan
[18F]FB-IL2 PET scan, Tumor biopsy, CT scan, Biopsy of non-target tissue
Device: IL2-PET scan
All patients in this study will undergo a IL2 PET scan at baseline and week 6 of treatment with immunotherapy.
Other Name: [18F]FB-IL2 PET scan

Procedure: Tumor biopsy
A procedure to acquire tissue of a predetermined melanoma metastasis will be performed in all patients that participate in phase 2 of this study.

Device: CT scan
A CT scan of diagnostic quality will accompany all the PET scans and will additionally been made 12 and 16 weeks after start of immunotherapy to evaluate response to treatment.

Procedure: Biopsy of non-target tissue
A biopsy of skin and colon non-target tissue involved in an immune-related side effect is optional in patients that participate in phase 2 of this study.




Primary Outcome Measures :
  1. Biodistribution and kinetics of [18F]FB-IL2. [ Time Frame: 2 hours ]
    Biodistribution and kinetics will be assessed in the first five patients that participate in this trial (phase 1). A 60-minute dynamic PET scan of the chest and 2 total-body PET scans at 60 and 120 minutes will be acquired to determine tracer kinetics and residence time of the tracer in major organs.

  2. The ability of the [18F]FB-IL2 PET to detect a treatment-induced immune response in tumors. [ Time Frame: 6 weeks ]
    For detection of a treatment-induced immune response the absolute tracer uptake in tumor lesions will be compared between the scan at baseline and the scan after 6 weeks of treatment with ipilimumab, nivolumab, pembrolizumab or the combination of ipilimumab and nivolumab.

  3. Correlation between tumor uptake of [18F]FB-IL2 with the number of IL2 receptor positive immune cells. [ Time Frame: 2 days ]
    The amount of IL2 receptor positive cells will be scored by immunohistochemical staining of tumor biopsy material and will be correlated to the tumor uptake of [18F]FB-IL2.


Secondary Outcome Measures :
  1. Correlation between tumor uptake of [18F]FB-IL2 with response to therapy. [ Time Frame: 16 weeks ]
    The increase in tumor uptake of [18F]FB-IL2 ofu the tumor lesions on the PET scan at baseline and week 6 of treatment with immunotherapy, will be correlated to radiological response as measured on the CT scans at week 6, 12 and 16 according to the RECIST 1.1 criteria.

  2. To analyze heterogeneity in immune response to treatment between separate lesions, as determined by [18F]FB-IL2 PET. [ Time Frame: 16 weeks ]
    Both the heterogeneity between separate lesions in one patient and between lesions in different patients will be determined and if possible will be correlated to treatment response (lesion based).

  3. Treatment induced immune cell activation in non-target tissues and if possible the correlation of PET observations with side effects related to the tissue involved. [ Time Frame: 16 weeks ]
    Treatment induced immune cell activation in non-target tissue will be determined by visually comparing the PET results at baseline and after 6 weeks of treatment. In regions with a higher tracer uptake on the week 6 scan the absolute uptake will be determined and this will be correlated to the development of an immune-related adverse event. In case of immune-related side effects localized to the skin or colon, biopsy samples are optional and tissue infiltration of IL2 receptor positive cells can be correlated to [18F]FB-IL2 uptake on PET.

  4. Adverse events of [18F]FB-IL2 PET. [ Time Frame: 16 weeks ]
    Adverse events will be recorded. Vital signs and blood parameters will be determined before and after tracer injection and directly after the PET scan for safety reasons.



Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  1. Has signed informed consent.
  2. ≥18 years of age.
  3. Histologically confirmed cutaneous metastatic melanoma (Stage IV).
  4. Evidence of at least one measurable metastatic lesion based on RECIST version 1.1.
  5. At least one easy accessible metastatic melanoma lesion, of which biopsy can be performed.
  6. Eligible for treatment with ipilimumab, nivolumab, pembrolizumab, or the combination of ipilimumab and nivolumab.
  7. No contraindication for performing a CT scan.
  8. Eastern Cooperative Oncology Group (ECOG) Performance Status of 0-1.
  9. Women with child-bearing potential and men with reproductive potential must be willing to practice acceptable methods of birth control during the study.
  10. Must have adequate organ function (e.g. liver, kidney) as defined

Exclusion Criteria:

  1. Pre-existing auto-immune disease, which could be exacerbated by ipilimumab (e.g. Crohn, Hashimoto's Thyroiditis).
  2. Presence of malignancy other than the disease under study within 5 years of study enrolment. Subjects with a history of completely resected non-melanoma skin cancer or successfully treated in situ carcinoma are eligible.
  3. Brain metastases that are symptomatic or not stable for 8 weeks (must be documented by imaging).
  4. The use of corticosteroids (at the start of treatment). Note: Corticosteroids are allowed during the study for immune-related toxicity of immunotherapy, as this will not interfere with activity of immunotherapy.
  5. Evidence of active infection requiring antibiotic therapy at start of treatment.
  6. Current use of a prohibited medication or requirement of any of these medications during treatment with immune-checkpoint inhibitors as mentioned in the summary of product characteristics (SPC) for Yervoy, Opdivo, and Keytruda.
  7. Known immediate or delayed hypersensitivity reaction to ipilimumab, nivolumab or pembrolizumab or excipients.
  8. Unresolved toxicity of National Cancer Institute Common Terminology Criteria for Adverse Events, version 4.0. Grade 2 or higher from previous anti-cancer therapy, except alopecia.
  9. A history or evidence of cardiovascular risk including any of the following:

    1. A history or evidence of current clinically significant uncontrolled arrhythmias;
    2. A history of acute coronary syndromes (including myocardial infarction or unstable angina), coronary angioplasty, or stenting within 6 months prior to randomization.
    3. A history or evidence of current ≥Class II congestive heart failure as defined by the New York Heart Association (NYHA) guidelines.
    4. Abnormal cardiac valve morphology (≥grade 2) documented by echocardiogram (subjects with grade 1 abnormalities [i.e., mild regurgitation/stenosis] can be entered on study). Subjects with moderate valvular thickening should not be entered on study.
    5. Presence of cardiac metastases.
  10. Any serious or unstable pre-existing medical conditions (i.e. diabetes mellitus, hypertension, etc), psychological, familial, sociological, or geographical conditions that do not permit compliance with the protocol; or unwillingness or inability to follow the procedures required in the protocol.
  11. Altered mental status, or any psychiatric condition that would prohibit the understanding or rendering of informed consent.
  12. Pregnant or nursing females.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02922283


Locations
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Netherlands
University Medical Center Groningen
Groningen, Netherlands, 9713 GZ
Sponsors and Collaborators
University Medical Center Groningen
Investigators
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Principal Investigator: G. A. Hospers, MD, PhD UMCG

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Responsible Party: G.A.P. Hospers, Principal investigator, University Medical Center Groningen
ClinicalTrials.gov Identifier: NCT02922283    
Other Study ID Numbers: 22102014
First Posted: October 4, 2016    Key Record Dates
Last Update Posted: March 23, 2020
Last Verified: March 2020
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No
Keywords provided by G.A.P. Hospers, University Medical Center Groningen:
T cell response
Interleukin 2
PET scan
Ipilimumab
Pembrolizumab
Nivolumab
Additional relevant MeSH terms:
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Melanoma
Neuroendocrine Tumors
Neuroectodermal Tumors
Neoplasms, Germ Cell and Embryonal
Neoplasms by Histologic Type
Neoplasms
Neoplasms, Nerve Tissue
Nevi and Melanomas
Interleukin-2
Antineoplastic Agents
Analgesics, Non-Narcotic
Analgesics
Sensory System Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs