The Cryotop® Method

Kitazato, world leader in vitrification, has developed The Cryotop® Method and secured its global implementation achieving best-in-class results in cryopreservation of human specimens from gametes to blastocysts.

Our objective is to provide you a method with proven evidence of success and to help you obtain the best results that only Kitazato Vitrification offers.

Our Vitrification Products Downloads

The Cryotop® Method is applied in more than 2,500,000 clinical cases annually in over 115 countries and 3,000 assisted reproduction centers. Hundreds of scientific publications certify their excellent results.

Kitazato's vitrification method is simple, safe, versatile and easy to apply for everyone.

Cryotop® Survival Rates in Human Specimens

100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%

94,40%
Oocytesn=2,770
Braga D.P.
2016
96,10%
Oocytesn=591
Chamayou S.
2017
94,43%
Oocytesn=35,654
Cornet-Bartolomé D.
2020
97,80%
Embryosn=303
Xue Y.
2018
98,50%
Embryosn=2,617
La Marca A.
2019
97,20%
Blastocystn=528
Coello A.
2017
97,73%
Blastocystn=8,736
Ueno S.
2018
98,01%
Blastocystn=3,818
Hernández-Nieto et al.
2019
98,09%
PGT Embryosn=90
Sekhon L.
2018
100,00%
PGT Embryosn=47
Wilding M.
2019

The IVF LifeCycle

Kitazato offers a broad selection of quality products to maximize success at every step of the IVF Lifecycle. Learn more about the products involved in each IVF procedure.