Evidence map›Paper›PMID 18543899›Full record

ArticleJournal of medicinal chemistry2008

Design and in vitro characterization of highly sst2-selective somatostatin antagonists suitable for radiotargeting.

Renzo Cescato, Judith Erchegyi, Beatrice Waser, Véronique Piccand, Helmut R Maecke, Jean E Rivier, Jean Claude Reubi

Open access · greenAbstract read
In one paragraph

Article in Journal of medicinal chemistry, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers.

0numbers the graph read from it
0cells of the map it votes in
55citing papers in PubMed
6.4field-weighted citation impact, top 3% 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

55 citing papers in PubMed, 113 citations in OpenAlex.

  1. A prospective randomized, double-blind study to evaluate the diagnostic efficacy ofEuropean journal of nuclear medicine and molecular imaging · 2022
    Trial
  2. Application of theranostics in thyroid cancer management.The Journal of clinical endocrinology and metabolism · 2026
    Review
  3. Article
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  5. Single Photon Emission Computed Tomography Tracer.Recent results in cancer research. Fortschritte der Krebsforschung. Progres dans les recherches sur le cancer · 2026
    Review
  6. Article
  7. Article
  8. Synthesis and preclinical evaluation of [European journal of nuclear medicine and molecular imaging · 2025
    Article
  9. Radiopharmaceuticals and their applications in medicine.Signal transduction and targeted therapy · 2025
    Review
  10. Article
  11. Bis(Disulfide)-Bridged Somatostatin-14 Analogs and Their [International journal of molecular sciences · 2024
    Article
  12. The usefulness of [European journal of nuclear medicine and molecular imaging · 2023
    Article
  13. Article
  14. First preclinical evaluation of [EJNMMI radiopharmacy and chemistry · 2023
    Article
  15. Review
  16. [Pharmaceutics · 2023
    Article
  17. [International journal of molecular sciences · 2022
    Article
  18. Article
  19. Review
  20. Review
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

7 authors at 1 institution in 1 country.

Renzo CescatoDivision of Cell Biology and Experimental Cancer Research, Institute of Pathology, University of Berne, Berne, Switzerland.
Judith Erchegyi
Beatrice Waser
Véronique Piccand
Helmut R Maecke
Jean E Rivier
Jean Claude Reubi
University of Bern · CH

Funding

Somatostatin Receptor-Selective Agonists and AntagonistsR01DK059953 · NIDDK · SALK INSTITUTE FOR BIOLOGICAL STUDIES · PI RIVIER, JEAN E · 2002 to 2006
$2.3M
NIDDK NIH HHS DK059953NIDDK NIH HHS R01 DK059953
6 · The paper itself

Abstract

Radiolabeled sst 2 and sst 3 antagonists are better candidates for tumor targeting than agonists with comparable binding characteristics (Ginj, M.; Zhang, H.; Waser, B.; Cescato, R.; Wild, D.; Erchegyi, J.; Rivier, J.; Mäcke, H. R.; Reubi, J. C. Proc. Natl. Acad. Sci. U.S.A. 2006, 103, 16436-16441.). Because most of the neuroendocrine tumors express sst 2, we used the known antagonists acetyl- pNO 2Phe (2)- c[ dCys (3)-Tyr (7)- dTrp (8)-Lys (9)-Thr (10)-Cys (14)]- dTyr (15)-NH 2 ( 1) (Bass, R. T.; Buckwalter, B. L.; Patel, B. P.; Pausch, M. H.; Price, L. A.; Strnad, J.; Hadcock, J. R. Mol. Pharmacol. 1996, 50, 709-715. Bass, R. T.; Buckwalter, B. L.; Patel, B. P.; Pausch, M. H.; Price, L. A.; Strnad, J.; Hadcock, J. R. Mol. Pharmacol. 1997, 51, 170; Erratum.) and H-Cpa (2)- c[ dCys (3)-Tyr (7)- dTrp (8)-Lys (9)-Thr (10)-Cys (14)]-2Nal (15)-NH 2 ( 7) (Hocart, S. J.; Jain, R.; Murphy, W. A.; Taylor, J. E.; Coy, D. H. J. Med. Chem. 1999, 42, 1863-1871.) as leads for analogues with increased sst 2 binding affinity and selectivity. Among the 32 analogues reported here, DOTA- pNO 2Phe (2)- c[ dCys (3)-Tyr (7)- dAph (8)(Cbm)-Lys (9)-Thr (10)-Cys (14)- dTyr (15)-NH 2 ( 3) and DOTA-Cpa (2)- c[ dCys (3)-Aph (7)(Hor)- dAph (8)(Cbm)-Lys (9)-Thr (10)-Cys (14)]- dTyr (15)-NH 2 ( 31) had the highest sst 2 binding affinity and selectivity. All of the analogues tested kept their sst 2 antagonistic properties (i.e., did not affect calcium release in vitro and competitively antagonized the agonistic effect of [Tyr (3)]octreotide). Moreover, in an immunofluorescence-based internalization assay, the new analogues prevented sst 2 internalization induced by the sst 2 agonist [Tyr (3)]octreotide without being active by themselves. In conclusion, several analogues (in particular 3, 31, and 32) have outstanding sst 2 binding and functional antagonistic properties and, because of their DOTA moiety, are excellent candidates for in vivo targeting of sst 2-expressing cancers.

Indexed as

Drug DesignCell LineChemical PhenomenaChemistry, PhysicalHumansRadiopharmaceuticalsSomatostatinRadiopharmaceuticalsSomatostatin

Identifiers

PMID18543899
PMCPMC2789649
OpenAlexW2009248375

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.