Evidence mapPaperPMID 38446356Full record

ArticleEJNMMI radiopharmacy and chemistry2024

Synthesis and evaluation of fluorine-18 labelled tetrazines as pre-targeting imaging agents for PET.

Eva Schlein, Johanna Rokka, Luke R Odell, Sara Lopes van den Broek, Matthias M Herth, Umberto M Battisti, Stina Syvänen, Dag Sehlin, Jonas Eriksson

Open access · goldAbstract read
In one paragraph

Article in EJNMMI radiopharmacy and chemistry, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
1.7field-weighted citation impact, top 18% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

4 citing papers in PubMed, 7 citations in OpenAlex.

  1. Article
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  3. Head-to-Head Comparison of theMolecular pharmaceutics · 2025
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 2 institutions in 2 countries.

Eva SchleinDepartment of Public Health and Caring Sciences, Uppsala University, 751 85, Uppsala, Sweden.
Johanna RokkaDepartment of Public Health and Caring Sciences, Uppsala University, 751 85, Uppsala, Sweden.
Luke R OdellDepartment of Medicinal Chemistry, Uppsala University, 751 23, Uppsala, Sweden.
Sara Lopes van den BroekDepartment of Public Health and Caring Sciences, Uppsala University, 751 85, Uppsala, Sweden.
Matthias M HerthDepartment of Drug Design and Pharmacology, University of Copenhagen, 2100, Copenhagen, Denmark.
Umberto M BattistiDepartment of Drug Design and Pharmacology, University of Copenhagen, 2100, Copenhagen, Denmark.
Stina SyvänenDepartment of Public Health and Caring Sciences, Uppsala University, 751 85, Uppsala, Sweden.
Dag SehlinDepartment of Public Health and Caring Sciences, Uppsala University, 751 85, Uppsala, Sweden.
Jonas ErikssonDepartment of Medicinal Chemistry, Uppsala University, 751 23, Uppsala, Sweden. jonas.eriksson@ilk.uu.se.ORCID http://orcid.org/0000-0003-0241-092X
Uppsala University · SEUniversity of Copenhagen · DK

Funding

HORIZON EUROPE Marie Sklodowska-Curie Actions 813528Vetenskapsrådet 2021-01083Vetenskapsrådet 2021-03524Vetenskapsrådet 2022-04831
6 · The paper itself

Abstract

backgroundThe brain is a challenging target for antibody-based positron emission tomography (immunoPET) imaging due to the restricted access of antibody-based ligands through the blood-brain barrier (BBB). To overcome this physiological obstacle, we have previously developed bispecific antibody ligands that pass through the BBB via receptor-mediated transcytosis. While these radiolabelled ligands have high affinity and specificity, their long residence time in the blood and brain, typical for large molecules, poses another challenge for PET imaging. A viable solution could be a two-step pre-targeting approach which involves the administration of a tagged antibody that accumulates at the target site in the brain and then clears from the blood, followed by administration of a small radiolabelled molecule with fast kinetics. This radiolabelled molecule can couple to the tagged antibody and thereby make the antibody localisation visible by PET imaging. The in vivo linkage can be achieved by using the inverse electron demand Diels-Alder reaction (IEDDA), with trans-cyclooctene (TCO) and tetrazine groups participating as reactants. In this study, two novel

resultsThe two compounds, a methyl tetrazine [

conclusionThis study demonstrates a significant potential of [

Indexed as

Alzheimer’s diseaseBioorthogonalFluorine-18IEDDAInverse electron demand Diels–Alder reactionPETPre-targetingTCOTetrazineTrans-cyclooctene

Identifiers

PMID38446356
PMCPMC10917718
OpenAlexW4392506784

What Socratic holds

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LicenceCC BY
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.