Table 1.

The main data of articles reporting outcomes of tissue-engineered urethroplasty using cultured epithelial cells in humans.

Reference in the text	Journal year	Type of cells	Site of original cells	No. of patients	Urethral Pathology	Site of strictures	Success rate (%)	Mean follow-up
Romagnoli et al. [1]	New Engl J Med 1990	Urethral	External  urinary meatus	2	Hypospadias		100	18 months
Romagnoli et al. [11]	J Urol 1993	Urethral	External  urinary meatus	8	Hypospadias		100	18 months
Raya-Rivera et al. [12]	Lancet 2011	Bladder  urothelium	Bladder	5	Traumatic  strictures	Posterior urethra	90	71 months
Fossum et al. [13]	Acta Paediatrica 2012	Bladder  urothelium	Bladder	6	Hypospadias		100	7.25 years
Bhargava et al. [14]	Eur Urol 2008	Oral mucosa	Mouth	5	Lichen  sclerosus  strictures	Anterior urethra	0	33.6 months
Ram-Liebig et al. [15]	EBioMedicine 2017	Oral mucosa	Mouth	99	Urethral  strictures	Anterior urethra	85	24 months