- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01014793
Short and Long Term Efficacy of Combined Cabergoline and Octreotide Treatment in Acromegalic Patients
November 16, 2009 updated by: Federal University of São Paulo
Short and Long Term Efficacy of Combined Treatment in Controlling IGI-I Levels in Acromegaly
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.
Study Overview
Study Type
Observational
Enrollment (Actual)
19
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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SP
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Sao Paulo, SP, Brazil, 04039030
- Federal University of São Paulo
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years to 80 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Sampling Method
Non-Probability Sample
Study Population
Nineteen acromegalic patients (Neuroendocrine Unit-UNIFESP)with active disease, resistant to octreotide were enrolled
Description
Inclusion Criteria:
- Active disease, under octreotide treatment at least 9 months
Exclusion Criteria:
- Cabergoline allergy
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Observational Models: Case-Only
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
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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)
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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
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
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Control of IGF-I levels
Time Frame: six months
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six months
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
control IGI-I levels
Time Frame: six months
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six months
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Study Director: Julio Abucham, PhD, Federal University of São Paulo
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
General Publications
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
May 1, 2005
Primary Completion (Actual)
May 1, 2007
Study Completion (Actual)
December 1, 2008
Study Registration Dates
First Submitted
November 16, 2009
First Submitted That Met QC Criteria
November 16, 2009
First Posted (Estimate)
November 17, 2009
Study Record Updates
Last Update Posted (Estimate)
November 17, 2009
Last Update Submitted That Met QC Criteria
November 16, 2009
Last Verified
November 1, 2009
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Endocrine System Diseases
- Musculoskeletal Diseases
- Hypothalamic Diseases
- Bone Diseases
- Bone Diseases, Endocrine
- Hyperpituitarism
- Pituitary Diseases
- Acromegaly
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Dopamine Agonists
- Dopamine Agents
- Antiparkinson Agents
- Anti-Dyskinesia Agents
- Cabergoline
Other Study ID Numbers
- Mattapr1
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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