Evidence map›Paper›PMID 22844108›Full record

Trial reportNeuro-oncology2012

Phase II trial of lapatinib in adult and pediatric patients with neurofibromatosis type 2 and progressive vestibular schwannomas.

Matthias A Karajannis, Geneviève Legault, Mari Hagiwara, Marc S Ballas, Krysten Brown, Annette O Nusbaum, Tsivia Hochman, Judith D Goldberg, Kevin M Koch, John G Golfinos and 2 more

Open access · bronzeAbstract readClinical Trial, Phase II
In one paragraph

Trial report in Neuro-oncology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 84 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
84citing papers in PubMed, 3 pooled it
8.0field-weighted citation impact, top 2% 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

84 citing papers in PubMed, 3 syntheses or guidelines pooled it, 180 citations in OpenAlex.

  1. Guideline
  2. Guidelines in the management of CNS tumors.Journal of neuro-oncology · 2021
    Guideline
  3. Guideline
  4. Trial
  5. Trial
  6. Trial
  7. Trial
  8. Trial
  9. Article
  10. Review
  11. Review
  12. Article
  13. Article
  14. Article
  15. Review
  16. Review
  17. Review
  18. Article
  19. Article
  20. Article

24 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

12 authors at 3 institutions in 1 country.

Matthias A KarajannisNYU Langone Medical Center and NYU Cancer Institute, New York, NY, USA. matthias.karajannis@nyumc.org
Geneviève Legault
Mari Hagiwara
Marc S Ballas
Krysten Brown
Annette O Nusbaum
Tsivia Hochman
Judith D Goldberg
Kevin M Koch
John G Golfinos
J Thomas Roland
Jeffrey C Allen
GlaxoSmithKline (United States) · USNYU Langone Health · USResearch Triangle Park Foundation · US

Funding

Vaccine FacilityP30CA016087 · NCI · NEW YORK UNIVERSITY SCHOOL OF MEDICINE · PI ADRIANA HEGUY · 1985 to 2026
$83.1M
NCI NIH HHS P30 CA016087NCI NIH HHS P30 CA16087
6 · The paper itself

Abstract

This single-institution phase II study was performed to estimate the response rate to lapatinib in neurofibromatosis type 2 (NF2) patients with progressive vestibular schwannoma (VS). Twenty-one eligible patients were enrolled. Brain and spine MRIs, including 3-dimensional volumetric tumor analysis, and audiograms were performed once at baseline and again every 12 weeks. The primary response end point was evaluable in 17 patients and defined as ≥15% decrease in VS volume. Hearing was evaluable as a secondary end point in 13 patients, with responses defined as an improvement in the pure tone average of at least 10 dB  or a statistically significant increase in word recognition scores. Four of 17 evaluable patients experienced an objective volumetric response (23.5%; 95% confidence interval [CI], 10%-47%), with median time to response of 4.5 months (range, 3-12). In responders, reduction in VS volumes ranged from -15.7% to -23.9%. Four of 13 patients evaluable for hearing met hearing criteria for response (30.8%; 95% CI, 13%-58%). One sustained response exceeded 9 months in duration. Median time to overall progression (ie, volumetric progression or hearing loss) was 14 months. The estimated overall progression-free survival and volumetric progression-free survival at 12 months were 64.2% (95% CI, 36.9%-82.1%) and 70.6% (95% CI, 43.1%-86.6%), respectively. Toxicity was generally minor, and no permanent dose modifications were required. Lapatinib carries minor toxicity and has objective activity in NF2 patients with progressive VS, including volumetric and hearing responses. Future studies could explore combination therapy with other molecular targeted agents such as bevacizumab.

Indexed as

AdolescentAdultAntineoplastic AgentsChildChild, PreschoolFemaleFollow-Up StudiesHumansLapatinibMagnetic Resonance ImagingMaleMiddle AgedNeurofibromatosis 2Neuroma, AcousticPrognosisProspective StudiesAntineoplastic AgentsLapatinibQuinazolines

Identifiers

PMID22844108
PMCPMC3424212
OpenAlexW2130676729

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.