Evidence map›Paper›PMID 19593660›Full record

Trial reportJournal of neuro-oncology2010

Salvage therapy with single agent bevacizumab for recurrent glioblastoma.

Marc C Chamberlain, Sandra K Johnston

Abstract readClinical Trial
PubMed Publisher
In one paragraph

Trial report in Journal of neuro-oncology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 67 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
67citing papers in PubMed, 2 pooled it
4.9field-weighted citation impact, top 5% 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

67 citing papers in PubMed, 2 syntheses or guidelines pooled it, 121 citations in OpenAlex.

  1. Pooled it
  2. Guideline
  3. Trial
  4. Trial
  5. Trial
  6. Trial
  7. Trial
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  10. Article
  11. Extracranial metastasis of glioblastoma: A case report and literature review.International journal of surgery case reports · 2023
    Article
  12. Article
  13. Article
  14. Review
  15. Review
  16. Impacts on Histological Features andTranslational oncology · 2019
    Article
  17. Article
  18. Article
  19. Article
  20. Safety and efficacy of targeted alpha therapy withEuropean journal of nuclear medicine and molecular imaging · 2019
    Article

7 more citing papers are in PubMed but not listed here.

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

2 authors at 2 institutions in 1 country.

Marc C ChamberlainDepartment of Neurology and Neurosurgery, University of Washington, Fred Hutchinson Cancer Research Center, Seattle, WA 98109-1023, USA. chambemc@u.washington.edu
Sandra K Johnston
Fred Hutch Cancer Center · USSeattle Cancer Care Alliance · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A retrospective evaluation of single agent bevacizumab in adults with recurrent glioblastoma (GBM) with an objective of determining progression free survival (PFS). There is no standard therapy for recurrent GBM after failure of alkylator-based chemotherapy. A total of 50 adults, ages 36-70 years (median 64), with recurrent GBM were treated. All patients had previously been treated with surgery, concurrent radiotherapy and temozolomide, post-radiotherapy temozolomide and in 34 patients, one salvage regimen (PCV: 21, cyclophosphamide: 13). A total of 13 patients underwent repeat surgery. Patients were treated at first or second recurrence with bevacizumab, once every 2 weeks, defined as a single cycle. Neurological evaluation was performed every 2 weeks and neuroradiographic assessment following the initial 2 cycles of bevacizumab and subsequently after every 4 cycles of bevacizumab. A total of 468 cycles of bevacizumab (median 2 cycles; range 1-30) was administered. Bevacizumab-related toxicity included fatigue (16 patients; 4 grade 3), leukopenia (9; 1 grade 3), anemia (5; 0 grade 3), hypertension (7; 1 grade 3), deep vein thrombosis (4; 1 grade 3) and wound dehiscence (2; 1 grade 3). 21 patients (42%) demonstrated a partial radiographic response and 29 (58%) progressive disease following 1-2 cycles of bevacizumab. Time to tumor progression ranged from 0.5 to 15 months (median: 1.0 months). Survival ranged from 2 to 17 months (median: 8.5 months). 6-month and 12-month PFS were 42% and 22% respectively. Single agent bevacizumab demonstrated efficacy and acceptable toxicity in this cohort of adults with recurrent alkylator-refractory GBM.

Indexed as

AdultAgedAngiogenesis InhibitorsAntibodies, MonoclonalAntibodies, Monoclonal, HumanizedBevacizumabBlood Cell CountBrain NeoplasmsCreatinineDisease-Free SurvivalFemaleGlioblastomaHumansInjections, IntravenousMagnetic Resonance ImagingMaleAngiogenesis InhibitorsAntibodies, MonoclonalAntibodies, Monoclonal, HumanizedBevacizumabCreatinine

Identifiers

PMID19593660
OpenAlexW2052858979

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.