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In acromegaly, nearly 40% of patients fail to control GH/IGF-I levels with somatostatin analogues (SA). Dopaminergic agonists (DA) are even less effective, but combination therapy with SA and DA normalizes IGF-I levels in 33-56% of patients in short-term studies. This study was designed to evaluate short and long term efficacy of cabergoline in controlling IGF-I levels in acromegalic patients receiving octreotide.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Responders to cabergoline | patients with active disease under octreotide treatment received addition of increasing doses of cabergoline (1.0, 2.0 and 3.5mg/week) |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| cabergoline | Drug | cabergoline doses were increased at 6-week intervals, starting at 1.0mg/week followed by 2.0 and 3.5mg/week. Hormonal evaluations (IGF-I, GH and PRL) started before the first dose and were repeated at 6-week intervals after each cabergoline dose and after cabergoline withdrawal |
| Measure | Description | Time Frame |
|---|---|---|
| Control of IGF-I levels | six months |
| Measure | Description | Time Frame |
|---|---|---|
| control IGI-I levels | six months |
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Inclusion Criteria:
Exclusion Criteria:
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Nineteen acromegalic patients (Neuroendocrine Unit-UNIFESP)with active disease, resistant to octreotide were enrolled
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| Name | Affiliation | Role |
|---|---|---|
| Julio Abucham, PhD | Federal University of São Paulo | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Federal University of Sao Paulo | São Paulo | São Paulo | 04039030 | Brazil |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 10713101 | Background | Rocheville M, Lange DC, Kumar U, Sasi R, Patel RC, Patel YC. Subtypes of the somatostatin receptor assemble as functional homo- and heterodimers. J Biol Chem. 2000 Mar 17;275(11):7862-9. doi: 10.1074/jbc.275.11.7862. | |
| 14764779 | Background | Holdaway IM, Rajasoorya RC, Gamble GD. Factors influencing mortality in acromegaly. J Clin Endocrinol Metab. 2004 Feb;89(2):667-74. doi: 10.1210/jc.2003-031199. |
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| ID | Term |
|---|---|
| D000172 | Acromegaly |
| ID | Term |
|---|---|
| D001849 | Bone Diseases, Endocrine |
| D001847 | Bone Diseases |
| D009140 | Musculoskeletal Diseases |
| D006964 | Hyperpituitarism |
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| ID | Term |
|---|---|
| D000077465 | Cabergoline |
| ID | Term |
|---|---|
| D004873 | Ergolines |
| D004876 | Ergot Alkaloids |
| D000470 | Alkaloids |
| D006571 | Heterocyclic Compounds |
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serum for IGI-I, GH and prolactin measures
|
|
| 19208732 | Background | Melmed S, Colao A, Barkan A, Molitch M, Grossman AB, Kleinberg D, Clemmons D, Chanson P, Laws E, Schlechte J, Vance ML, Ho K, Giustina A; Acromegaly Consensus Group. Guidelines for acromegaly management: an update. J Clin Endocrinol Metab. 2009 May;94(5):1509-17. doi: 10.1210/jc.2008-2421. Epub 2009 Feb 10. |
| 15272916 | Result | Cozzi R, Attanasio R, Lodrini S, Lasio G. Cabergoline addition to depot somatostatin analogues in resistant acromegalic patients: efficacy and lack of predictive value of prolactin status. Clin Endocrinol (Oxf). 2004 Aug;61(2):209-15. doi: 10.1111/j.1365-2265.2004.02082.x. |
| 15817912 | Result | Selvarajah D, Webster J, Ross R, Newell-Price J. Effectiveness of adding dopamine agonist therapy to long-acting somatostatin analogues in the management of acromegaly. Eur J Endocrinol. 2005 Apr;152(4):569-74. doi: 10.1530/eje.1.01888. |
| 9467544 | Result | Abs R, Verhelst J, Maiter D, Van Acker K, Nobels F, Coolens JL, Mahler C, Beckers A. Cabergoline in the treatment of acromegaly: a study in 64 patients. J Clin Endocrinol Metab. 1998 Feb;83(2):374-8. doi: 10.1210/jcem.83.2.4556. |
| 10753124 | Result | Rocheville M, Lange DC, Kumar U, Patel SC, Patel RC, Patel YC. Receptors for dopamine and somatostatin: formation of hetero-oligomers with enhanced functional activity. Science. 2000 Apr 7;288(5463):154-7. doi: 10.1126/science.288.5463.154. |
| 19439914 | Result | Jallad RS, Bronstein MD. Optimizing medical therapy of acromegaly: beneficial effects of cabergoline in patients uncontrolled with long-acting release octreotide. Neuroendocrinology. 2009;90(1):82-92. doi: 10.1159/000218323. Epub 2009 May 8. |
| 16181243 | Result | Gatta B, Hau DH, Catargi B, Roger P, Tabarin A. Re-evaluation of the efficacy of the association of cabergoline to somatostatin analogues in acromegalic patients. Clin Endocrinol (Oxf). 2005 Oct;63(4):477-8. doi: 10.1111/j.1365-2265.2005.02329.x. No abstract available. |
| D010900 |
| Pituitary Diseases |
| D007027 | Hypothalamic Diseases |
| D001927 | Brain Diseases |
| D002493 | Central Nervous System Diseases |
| D009422 | Nervous System Diseases |
| D004700 | Endocrine System Diseases |
| D006576 |
| Heterocyclic Compounds, 4 or More Rings |
| D000072471 | Heterocyclic Compounds, Fused-Ring |