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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04419727
Other study ID # ER.ALL.2018.31
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date January 2, 2020
Est. completion date November 2, 2020

Study information

Verified date June 2020
Source University of Catanzaro
Contact Raffaele Serra, M.D., Ph.D.
Phone +3909613647380
Email rserra@unicz.it
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

It is estimated that >200 million people have Peripheral artery disease (PAD) worldwide. PAD is related to increased morbidity or mortality in affected patients. More severe forms of PAD are surgically managed. Estrogen receptors (ERs) are strictly linked with vascular disease, and may be involved also in PAD onset and progression. This study will explore the expression of ERs, (ER-alpha, ER-beta,and a G protein-coupled of estrogen receptor -GPER-) in vessel wall of arteries of operated PAD patients, through the entire clinical spectrum of PAD.


Description:

PAD is the atherosclerotic obstruction of the arteries of the lower extremities and it is widespread especially in highly developed countries. The most common complication of PAD is critical limb ischemia with rest pain and leg ulcers. To date the pathophysiology of PAD is linked to atherosclerosis but other pathways are also under evaluation. A recent study (Serra et al) investigated the presence of ER-alfa, ER-beta, and GPER in the wall of normal and varicose veins.

The aim of this observational study is to evaluate the expression and the role of estrogen receptors in patients with PAD, and undergoing surgical treatment with reconstructive arterial surgery. Therefore, we will collect tissue samples from diseased arteries that will be further analyzed for ER expression. We will then correlate the results with the clinical spectrum of the patients.


Recruitment information / eligibility

Status Recruiting
Enrollment 40
Est. completion date November 2, 2020
Est. primary completion date September 1, 2020
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Patients with peripheral artery disease (PAD) eligible to receive arterial reconstructive open surgery.

Exclusion Criteria:

- malignancy

- estrogen therapy

Study Design


Intervention

Procedure:
arterial reconstructive open surgery
Patients with peripheral artery disease (PAD) will undergo arterial reconstructive open surgery. Samples obtained from diseased arteries of lower limbs of patients undergoing arterial reconstructive open surgery will be collected and immediately preserved at -80°. Briefly, the arterial tissues will be excised, homogenized with a motor-driven homogenizer and total RNA will be isolated using Trizol reagent (Invitrogen, Milan Italy), according to the manufacturer's instructions. The expression of ER-alpha, ER-beta,and GPER will be quantified by real-time PCR using the Step One ™ sequence detection system (Applied Biosystems Inc. Milan, Italy), following the manufacturer's instruction

Locations

Country Name City State
Italy CIFL- Interuniversity Center of Phlebolymphology Catanzaro

Sponsors (1)

Lead Sponsor Collaborator
University of Catanzaro

Country where clinical trial is conducted

Italy, 

References & Publications (6)

Barton M, Prossnitz ER. Emerging roles of GPER in diabetes and atherosclerosis. Trends Endocrinol Metab. 2015 Apr;26(4):185-92. doi: 10.1016/j.tem.2015.02.003. Epub 2015 Mar 9. Review. — View Citation

Boese AC, Kim SC, Yin KJ, Lee JP, Hamblin MH. Sex differences in vascular physiology and pathophysiology: estrogen and androgen signaling in health and disease. Am J Physiol Heart Circ Physiol. 2017 Sep 1;313(3):H524-H545. doi: 10.1152/ajpheart.00217.2016. Epub 2017 Jun 16. Review. — View Citation

Criqui MH, Aboyans V. Epidemiology of peripheral artery disease. Circ Res. 2015 Apr 24;116(9):1509-26. doi: 10.1161/CIRCRESAHA.116.303849. Review. Erratum in: Circ Res. 2015 Jun 19;117(1):e12. — View Citation

Kalicinska E, Wojtas K, Majda J, Zacharski M, Skiba J, Sliwowski J, Banasiak W, Ponikowski P, Jankowska EA. Expression of sex steroid receptors and aromatase in adipose tissue in different body regions in men with coronary artery disease with and without ischemic systolic heart failure. Aging Male. 2020 Jun;23(2):141-153. doi: 10.1080/13685538.2018.1494144. Epub 2018 Sep 7. — View Citation

Kublickiene K, Svedas E, Landgren BM, Crisby M, Nahar N, Nisell H, Poston L. Small artery endothelial dysfunction in postmenopausal women: in vitro function, morphology, and modification by estrogen and selective estrogen receptor modulators. J Clin Endocrinol Metab. 2005 Nov;90(11):6113-22. Epub 2005 Aug 30. — View Citation

Serra R, Gallelli L, Perri P, De Francesco EM, Rigiracciolo DC, Mastroroberto P, Maggiolini M, de Franciscis S. Estrogen Receptors and Chronic Venous Disease. Eur J Vasc Endovasc Surg. 2016 Jul;52(1):114-8. doi: 10.1016/j.ejvs.2016.04.020. Epub 2016 May 21. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Expression of ER-alpha, ER-beta,and GPER The expression of ER-alpha, ER-beta,and GPER will be quantified by real-tome PCR using Step One ™ sequence detection system (Applied Biosystems Inc. Milan, Italy) following the manufacturer's instruction at month 6th
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