6 studies were found.

1.		Recruiting	Antineoplaston Therapy in Treating Patients With Neuroendocrine Tumor That Is Metastatic or Unlikely to Respond to Surgery or Radiation Therapy Conditions: Merkel Cell Carcinoma; Islet Cell Carcinoma; Neuroendocrine Carcinoma; Pituitary Tumor
2.		Recruiting	Evaluation of Patients with Thyroid Disorders Conditions: Hyperthyroidism; Hypothyroidism; Pituitary Neoplasm
3.		Recruiting	Antineoplaston Therapy in Treating Patients With Brain Tumors Conditions: ACTH-producing pituitary tumor; TSH producing pituitary tumor; adult brain tumor
4.		Recruiting	The Treatment and Natural History of Acromegaly Conditions: Acromegaly; Pituitary Neoplasm
5.		Recruiting	Genetic Investigation of Pediatric Tumors of the Pituitary Gland Conditions: Abnormalities; Craniopharyngioma; Cushing's Syndrome; Endocrine Disease; Pituitary Neoplasm
6.		Recruiting	Study of Thyrotropin-Releasing Hormone in Normal Volunteers and in Patients with Thyroid or Pituitary Abnormalities Conditions: Healthy; Pituitary Disease; Thyroid Disease