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Prognosis of Atypical Pituitary Adenomas

The recruitment status of this study is unknown. The completion date has passed and the status has not been verified in more than two years.
Verified May 2007 by Tohoku University.
Recruitment status was:  Active, not recruiting
Information provided by:
Tohoku University Identifier:
First received: May 14, 2007
Last updated: NA
Last verified: May 2007
History: No changes posted

Context: Pituitary adenoma is generally indolent, but an aggressive subtype called atypical adenoma has uncertain prognosis, and an unclear relationship between prognosis and morphology.

Objective: This study investigated the prognostic factors of this tumor. Design: Retrospective analysis. Setting: University and associated hospitals.

Pituitary Diseases

Study Type: Observational
Study Design: Observational Model: Case Control
Observational Model: Natural History
Time Perspective: Cross-Sectional
Time Perspective: Retrospective

Resource links provided by NLM:

Further study details as provided by Tohoku University:

Study Start Date: January 2001
Estimated Study Completion Date: May 2007

Ages Eligible for Study:   12 Years to 74 Years   (Child, Adult, Senior)
Sexes Eligible for Study:   All

Inclusion Criteria:

  • pituitary adenomas of more than 3 % of Ki67 labeling index surgically treated at Tohoku university and associated hospital

Exclusion Criteria:

  • pituitary adenomas of less than 3 % of Ki-67 labeling index surgically treated at Tohoku university and associated hospital
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Please refer to this study by its identifier: NCT00473369

Sponsors and Collaborators
Tohoku University
Principal Investigator: Yoshikazu Ogawa, M. D. Department of neurosurgery, Tohoku university
  More Information Identifier: NCT00473369     History of Changes
Other Study ID Numbers:
Study First Received: May 14, 2007
Last Updated: May 14, 2007

Keywords provided by Tohoku University:
atypical adenoma

Additional relevant MeSH terms:
Pituitary Diseases
Hypothalamic Diseases
Brain Diseases
Central Nervous System Diseases
Nervous System Diseases
Endocrine System Diseases processed this record on April 26, 2017