Clinical Trials Logo

Clinical Trial Details — Status: Withdrawn

Administrative data

NCT number NCT03295175
Other study ID # FM-CIE-0319-17
Secondary ID
Status Withdrawn
Phase
First received
Last updated
Start date September 21, 2017
Est. completion date March 12, 2024

Study information

Verified date March 2024
Source Hospital Universitario San Ignacio
Contact n/a
Is FDA regulated No
Health authority
Study type Observational [Patient Registry]

Clinical Trial Summary

Non-conspicuous penis (congenital megaprepuce, occult penis) is a symptomatic malformation that includes phimosis and excessively baggy, urine-filled prepuce with alteration of the appearance of the penis. A redundant and enlarged foreskin is the main feature of this entity.This congenital anomaly is difficult to diagnose and may have association with other pathologies such as buried penis. Currently, part of the megaprepuce skin is used to correct the defect. A recent study shows that patients with this pathology and hypospadias present mostly defects in the muscle dartos. The investigators do not know the physiological bases of the megaprepuce, neither the clinical and aesthetics implications of this abnormal tissue for the patient, and how this affects the postoperative evolution. With the present study the investigators intended to answer these questions and to open paths for future research in this area.


Description:

After informed consent, patients will be labeled with a research record number other than the identity document or the number of the attention. The urologist who perform the correction of the megaprepuce, will take a segment of the dartos and send it for histopathological analysis: staining with hematoxylin-eosin, smooth muscle actin marker, associated with the research record number. Same procedure will be performed with the controls and hypospadias group. Only the principal investigator will know the assignment of medical record and their respective group (congenital megaprepuce, hypospadias or controls). The samples will be sent to pathology without any clinical data, and they will be analyzed by two pathologists, both blind.


Recruitment information / eligibility

Status Withdrawn
Enrollment 0
Est. completion date March 12, 2024
Est. primary completion date March 12, 2024
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Male
Age group 1 Month to 10 Years
Eligibility Inclusion Criteria: - Male patients scheduled for correction of congenital megaprepuce - Male patients scheduled for correction of hypospadias - Male patients scheduled for circumcision for non-medical reasons. Exclusion Criteria: - Patients with a history of hypospadias correction.

Study Design


Intervention

Diagnostic Test:
Hematoxylin-eosin and smooth muscle actin markers
The foreskin arrives oriented in a single piece in formol to the unit of pathology, and in the pathology unit, they must: Measure the length, width and thickness of the specimen. The specimen should include skin and mucosa with the underlying areolar tissue. Examine the surfaces of the sample searching lesions, and describe them in size, appearance (warty, papillary, ulcerated), depth of invasion, and distance from the nearest cutting edge, if they are present.

Locations

Country Name City State
Colombia Luis Gabriel Villarraga Bogotá

Sponsors (1)

Lead Sponsor Collaborator
Hospital Universitario San Ignacio

Country where clinical trial is conducted

Colombia, 

References & Publications (14)

Alexander A, Lorenzo AJ, Salle JL, Rode H. The Ventral V-plasty: a simple procedure for the reconstruction of a congenital megaprepuce. J Pediatr Surg. 2010 Aug;45(8):1741-7. doi: 10.1016/j.jpedsurg.2010.03.033. — View Citation

Baskin LS, Ebbers MB. Hypospadias: anatomy, etiology, and technique. J Pediatr Surg. 2006 Mar;41(3):463-72. doi: 10.1016/j.jpedsurg.2005.11.059. — View Citation

Baskin LS, Himes K, Colborn T. Hypospadias and endocrine disruption: is there a connection? Environ Health Perspect. 2001 Nov;109(11):1175-83. doi: 10.1289/ehp.011091175. — View Citation

Borsellino A, Spagnoli A, Vallasciani S, Martini L, Ferro F. Surgical approach to concealed penis: technical refinements and outcome. Urology. 2007 Jun;69(6):1195-8. doi: 10.1016/j.urology.2007.01.065. — View Citation

Cimador M, Catalano P, Ortolano R, Giuffre M. The inconspicuous penis in children. Nat Rev Urol. 2015 Apr;12(4):205-15. doi: 10.1038/nrurol.2015.49. Epub 2015 Apr 7. — View Citation

Crawford BS. Buried penis. Br J Plast Surg. 1977 Jan;30(1):96-9. doi: 10.1016/s0007-1226(77)90046-7. — View Citation

Fernandez N, Lorenzo A, Bagli D, Zarante I. Altitude as a risk factor for the development of hypospadias. Geographical cluster distribution analysis in South America. J Pediatr Urol. 2016 Oct;12(5):307.e1-307.e5. doi: 10.1016/j.jpurol.2016.03.015. Epub 20 — View Citation

Hadidi AT. Buried penis: classification surgical approach. J Pediatr Surg. 2014 Feb;49(2):374-9. doi: 10.1016/j.jpedsurg.2013.09.066. Epub 2013 Nov 7. — View Citation

Maizels M, Zaontz M, Donovan J, Bushnick PN, Firlit CF. Surgical correction of the buried penis: description of a classification system and a technique to correct the disorder. J Urol. 1986 Jul;136(1 Pt 2):268-71. doi: 10.1016/s0022-5347(17)44837-3. — View Citation

Rod J, Desmonts A, Petit T, Ravasse P. Congenital megaprepuce: a 12-year experience (52 cases) of this specific form of buried penis. J Pediatr Urol. 2013 Dec;9(6 Pt A):784-8. doi: 10.1016/j.jpurol.2012.10.010. Epub 2012 Oct 30. — View Citation

Ruiz E, Vagni R, Apostolo C, Moldes J, Rodriguez H, Ormaechea M, Giuseppucci C, de Badiola F, Bortagaray J, Perea C. Simplified surgical approach to congenital megaprepuce: fixing, unfurling and tailoring revisited. J Urol. 2011 Jun;185(6 Suppl):2487-90. — View Citation

Shenoy MU, Rance CH. Surgical correction of congenital megaprepuce. Pediatr Surg Int. 1999;15(8):593-4. doi: 10.1007/s003830050683. — View Citation

Spinoit AF, Van Praet C, Groen LA, Van Laecke E, Praet M, Hoebeke P. Congenital penile pathology is associated with abnormal development of the dartos muscle: a prospective study of primary penile surgery at a tertiary referral center. J Urol. 2015 May;19 — View Citation

Summerton DJ, McNally J, Denny AJ, Malone PS. Congenital megaprepuce: an emerging condition--how to recognize and treat it. BJU Int. 2000 Sep;86(4):519-22. doi: 10.1046/j.1464-410x.2000.00509.x. — View Citation

* Note: There are 14 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Primary Differences in the distribution of the smooth Muscle In Dartos Smooth Muscle Fibers 1 year
Primary Describe the pattern of smooth muscle in patients with megaprepuce Smooth Muscle Fibers 1 year
Secondary Describe the pattern of smooth muscle in patients with hypospadias Smooth Muscle Fibers 1 year