Acromegaly Clinical Trial
Official title:
Genetics of Endocrine Tumours - Familial Isolated Pituitary Adenoma - FIPA
NCT number | NCT00461188 |
Other study ID # | 004842 |
Secondary ID | |
Status | Recruiting |
Phase | |
First received | |
Last updated | |
Start date | March 2007 |
Est. completion date | April 2099 |
The research is aimed at identifying new predisposition genes for endocrine tumours. Our focus initially is on pituitary adenomas including growth hormone-secreting tumors (somatotrophinomas) and prolactin secreting tumours (prolactinomas), but we wish to extend work to other pituitary tumour cases/families. The recruitment process will be as follows. 1. We will recruit patients from our own Endocrine outpatient clinics and inpatient wards. In addition we will ask colleagues in other Endocrinology Departments (or other specialties such as Clinical Genetics,Pathology, General Medicine ) to identify potentially suitable patients with endocrine & pituitary tumours from their records. We shall focus on patients with good evidence of inheritance of their condition: relatively early onset; or multiple lesions; or other affected family members. Conditions where the predisposing genes have been identified (principally MEN) will be excluded from study. Patients directly contacting us can also enter the study. 2. The Consultant looking after the patient will contact the patient to initially inform him/her of the study. 3. We will then contact the patient (generally by telephone) to discuss the study and what it would entail in terms of information and samples. 4. Subject to agreement in (3), patient will receive 'Information Sheet for patients with pituitary tumour' and 'Consent Form' and will have blood sampling in Consultant's clinic. 5. We will contact additional family members (if appropriate) after an initial approach by the family member already recruited to the study. The additional family members may have developed tumours similar to those of the proband, or may be unaffected individuals who provide useful information for gene identification purposes (for example, spouses may greatly aid the power of gene mapping by linkage. They will receive the "Information Sheet for family members". analysis). 8. Archival tissue will be obtained from HTA licensed tissue banks. This is an established bank whose licence is primarily for diagnosis but can be used for research. 9. We will undertake laboratory work, such as genetic linkage analysis, candidate gene mutation screening and studies of loss of heterozygosity in tumours, to identify the genes predisposing to the condition, such as the AIP gene. In addition we would like to screen other genes related to the chaperon AIP molecule, such as AhR, and other genes currently identified (PDE4A5, survivin and Tom20 protein) or may not been identified. Blood samples for DNA and RNA will coded with unique ID numbers. Pituitary and other endocrine tumour samples will be collected at surgery and kept in liquid nitrogen or -80 C. They will be coded with unique ID numbers. Candidate gene sequencing will be performed in the Barts and the London Medical School Genome Centre. RNA expression studies from blood or adenoma tissue samples will be performed by RT-PCR. Protein expression studies will be performed by Western blotting or immunohistochemistry. The first gene we wish to study causes familial acromegaly, a disease resulting from a pituitary adenoma secreting growth hormone. To establish if the candidate gene is also causing possibly sporadic (not familial) cases of the disease, samples (blood and tissue) will be collected from patients with sporadic disease and will be analysed as above.
Status | Recruiting |
Enrollment | 10000 |
Est. completion date | April 2099 |
Est. primary completion date | April 2099 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 6 Years and older |
Eligibility | Inclusion Criteria: - Familial acromegaly or other type of pituitary tumour OR - Early onset acromegaly or - Sporadic pituitary tumour Exclusion Criteria: - Do not consent |
Country | Name | City | State |
---|---|---|---|
United Kingdom | Leicester Infirmary | Leicester | |
United Kingdom | Barts and the London medical School | London | |
United Kingdom | Royal Victoria Infirmary | Newcastle upon Tyne |
Lead Sponsor | Collaborator |
---|---|
Barts & The London NHS Trust |
United Kingdom,
Caimari F, Hernandez-Ramirez LC, Dang MN, Gabrovska P, Iacovazzo D, Stals K, Ellard S, Korbonits M; International FIPA consortium. Risk category system to identify pituitary adenoma patients with AIP mutations. J Med Genet. 2018 Apr;55(4):254-260. doi: 10.1136/jmedgenet-2017-104957. Epub 2018 Feb 10. — View Citation
Chahal HS, Stals K, Unterlander M, Balding DJ, Thomas MG, Kumar AV, Besser GM, Atkinson AB, Morrison PJ, Howlett TA, Levy MJ, Orme SM, Akker SA, Abel RL, Grossman AB, Burger J, Ellard S, Korbonits M. AIP mutation in pituitary adenomas in the 18th century — View Citation
Hernandez-Ramirez LC, Gabrovska P, Denes J, Stals K, Trivellin G, Tilley D, Ferrau F, Evanson J, Ellard S, Grossman AB, Roncaroli F, Gadelha MR, Korbonits M; International FIPA Consortium. Landscape of Familial Isolated and Young-Onset Pituitary Adenomas: Prospective Diagnosis in AIP Mutation Carriers. J Clin Endocrinol Metab. 2015 Sep;100(9):E1242-54. doi: 10.1210/jc.2015-1869. — View Citation
Iacovazzo D, Caswell R, Bunce B, Jose S, Yuan B, Hernandez-Ramirez LC, Kapur S, Caimari F, Evanson J, Ferrau F, Dang MN, Gabrovska P, Larkin SJ, Ansorge O, Rodd C, Vance ML, Ramirez-Renteria C, Mercado M, Goldstone AP, Buchfelder M, Burren CP, Gurlek A, Dutta P, Choong CS, Cheetham T, Trivellin G, Stratakis CA, Lopes MB, Grossman AB, Trouillas J, Lupski JR, Ellard S, Sampson JR, Roncaroli F, Korbonits M. Germline or somatic GPR101 duplication leads to X-linked acrogigantism: a clinico-pathological and genetic study. Acta Neuropathol Commun. 2016 Jun 1;4(1):56. doi: 10.1186/s40478-016-0328-1. — View Citation
Marques P, Caimari F, Hernandez-Ramirez LC, Collier D, Iacovazzo D, Ronaldson A, Magid K, Lim CT, Stals K, Ellard S, Grossman AB, Korbonits M; FIPA Consortium. Significant Benefits of AIP Testing and Clinical Screening in Familial Isolated and Young-onset Pituitary Tumors. J Clin Endocrinol Metab. 2020 Jun 1;105(6):e2247-60. doi: 10.1210/clinem/dgaa040. — View Citation
Radian S, Diekmann Y, Gabrovska P, Holland B, Bradley L, Wallace H, Stals K, Bussell AM, McGurren K, Cuesta M, Ryan AW, Herincs M, Hernandez-Ramirez LC, Holland A, Samuels J, Aflorei ED, Barry S, Denes J, Pernicova I, Stiles CE, Trivellin G, McCloskey R, Ajzensztejn M, Abid N, Akker SA, Mercado M, Cohen M, Thakker RV, Baldeweg S, Barkan A, Musat M, Levy M, Orme SM, Unterlander M, Burger J, Kumar AV, Ellard S, McPartlin J, McManus R, Linden GJ, Atkinson B, Balding DJ, Agha A, Thompson CJ, Hunter SJ, Thomas MG, Morrison PJ, Korbonits M. Increased Population Risk of AIP-Related Acromegaly and Gigantism in Ireland. Hum Mutat. 2017 Jan;38(1):78-85. doi: 10.1002/humu.23121. Epub 2016 Oct 4. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | germline mutation assessment | in selected patient targeted sequencing | 10 years | |
Primary | SNP genotyping assessment | for all affected subjects | 10 years |
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