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Updated: Aug 7, 2026

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
Published on: January 17, 2018
New aspects in the diagnosis and treatment of Cushing disease
M Labeur1, M Theodoropoulou, C Sievers
1Max-Planck-Institute of Psychiatry, Munich, Germany.
Insights
Cushing disease diagnosis and treatment remain challenging. This review explores new drug therapies like cabergoline and SOM230, and nuclear receptors for managing pituitary tumors.
Area of Science:
- Endocrinology
- Oncology
- Pharmacology
Background:
- Cushing disease, driven by excess ACTH, presents diagnostic and therapeutic challenges.
- Current diagnostic methods require a complex, multi-step approach.
- Transsphenoidal surgery is the primary treatment, but not universally curative.
Purpose of the Study:
- To review current diagnostic strategies for Cushing syndrome.
- To examine emerging pharmacological treatments for Cushing disease.
- To discuss novel therapeutic targets for pituitary tumors.
Main Methods:
- Review of recent studies on drug therapies for Cushing disease.
- Analysis of the role of nuclear receptors in pituitary tumor treatment.
- Summary of a consensus-based diagnostic algorithm.
Main Results:
- New drugs like cabergoline and SOM230 show therapeutic potential.
- Nuclear receptors (retinoic acid, PPAR-gamma) are investigated as novel treatment approaches.
- A structured diagnostic cascade is essential for accurate diagnosis.
Conclusions:
- Accurate diagnosis of Cushing disease necessitates a systematic approach.
- Emerging drug therapies offer new hope for patients unresponsive to surgery.
- Targeting nuclear receptors presents a promising avenue for pituitary tumor treatment.
Abstract:
Cushing disease, which is caused by the excessive production of ACTH, is a rare and complex endocrine disorder that still represents a major challenge for the physician in terms of accurate diagnosis and efficient treatment. Diagnosing Cushing syndrome and its etiology is an elaborate procedure and no single test is sensitive and specific enough to provide sufficient accuracy. Therefore, an ordered cascade of tests is necessary recommended by a consensus statement in 2002. The proposed diagnostic algorithm will be summarized in the following section. In the absence of efficient drug therapy, transsphenoidal resection of the pituitary adenoma is the treatment of choice for the reduction of ACTH secretion. However, not all patients can be cured by surgery. In the present article, we examine recent studies that have investigated the therapeutic potential of new generations of drugs for the treatment of Cushing disease such as cabergoline and SOM230. The role of nuclear receptors: retinoic acid receptors and peroxisome proliferator-activated receptor-gamma as new approaches for treating pituitary tumors is also discussed.
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