Evidence map›Paper›PMID 24714035›Full record

ArticleJournal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism2014

Radiosynthesis and validation of ¹⁸F-FP-CMT, a phenyltropane with superior properties for imaging the dopamine transporter in living brain.

Paul Cumming, Simone Maschauer, Patrick J Riss, Nuska Tschammer, Stefanie K Fehler, Markus R Heinrich, Torsten Kuwert, Olaf Prante

Open access · bronzeAbstract readValidation Study
In one paragraph

Article in Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
2.1field-weighted citation impact, top 14% 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

9 citing papers in PubMed, 18 citations in OpenAlex.

  1. Development ofMolecular imaging and biology · 2025
    Article
  2. Article
  3. Synthesis and Biological Evaluation of [Molecular imaging and biology · 2021
    Article
  4. Review
  5. Article
  6. Sifting through the surfeit of neuroinflammation tracers.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2018
    Review
  7. Article
  8. Article
  9. Article
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

8 authors at 2 institutions in 2 countries.

Paul CummingDepartment of Nuclear Medicine, Laboratory of Molecular Imaging and Radiochemistry, Friedrich Alexander University, Erlangen, Germany.
Simone MaschauerDepartment of Nuclear Medicine, Laboratory of Molecular Imaging and Radiochemistry, Friedrich Alexander University, Erlangen, Germany.
Patrick J RissDepartment of Chemistry, Universitetet i Oslo & Norsk Medisinisk Syklotronsenter AS, Oslo, Norway.
Nuska TschammerDepartment of Chemistry and Pharmacy, Pharmaceutical Chemistry, Emil Fischer Center, Friedrich Alexander University, Erlangen, Germany.
Stefanie K FehlerDepartment of Chemistry and Pharmacy, Pharmaceutical Chemistry, Emil Fischer Center, Friedrich Alexander University, Erlangen, Germany.
Markus R HeinrichDepartment of Chemistry and Pharmacy, Pharmaceutical Chemistry, Emil Fischer Center, Friedrich Alexander University, Erlangen, Germany.
Torsten KuwertDepartment of Nuclear Medicine, Laboratory of Molecular Imaging and Radiochemistry, Friedrich Alexander University, Erlangen, Germany.
Olaf PranteDepartment of Nuclear Medicine, Laboratory of Molecular Imaging and Radiochemistry, Friedrich Alexander University, Erlangen, Germany.
Friedrich-Alexander-Universität Erlangen-Nürnberg · DEUniversity of Oslo · NO

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

To date there is no validated, (18)F-labeled dopamine transporter (DAT) radiotracer with a rapid kinetic profile suitable for preclinical small-animal positron emission tomography (PET) studies in rodent models of human basal ganglia disease. Herein we report radiosynthesis and validation of the phenyltropane (18)F-FP-CMT. Dynamic PET recordings were obtained for (18)F-FP-CMT in six untreated rats, and six rats pretreated with the high-affinity DAT ligand GBR 12909; mean parametric maps of binding potential (BPND) relative to the cerebellum reference region, and maps of total distribution volume (VT) relative to the metabolite-corrected arterial input were produced. (18)F-FP-CMT BPND maps showed peak values of ∼4 in the striatum, versus ∼0.4 in the vicinity of the substantia nigra. Successive truncation of the PET recordings indicated that stable BPND estimates could be obtained with recordings lasting only 45 minutes, reflecting rapid kinetics of (18)F-FP-CMT. Pretreatment with GBR 12909 reduced the striatal binding by 72% to 76%. High-performance liquid chromatography analysis revealed rapid metabolism of (18)F-FP-CMT to a single, non-brain penetrant hydrophilic metabolite. Total distribution of volume calculated relative to the metabolite-corrected arterial input was 4.4 mL/g in the cerebellum. The pharmacological selectivity of (18)F-FP-CMT, rapid kinetic profile, and lack of problematic metabolites constitute optimal properties for quantitation of DAT in rat, and may also predict applicability in human PET studies.

Indexed as

AnimalsBrainDopamine Plasma Membrane Transport ProteinsFemaleFluorine RadioisotopesPositron-Emission TomographyRadiopharmaceuticalsRatsRats, Sprague-DawleyDopamine Plasma Membrane Transport ProteinsFluorine RadioisotopesRadiopharmaceuticals

Identifiers

PMID24714035
PMCPMC4083377
OpenAlexW1970967848

What OpenQuestion holds

Textmetadata
Read underepoch 390

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 OpenQuestion graph.