Clinical trial · Interventional
Oocyte Cryopreservation by Slow Freezing and Vitrification
Longitudinal Evaluation of Vitrification of Human Oocytes
NCT01223105CI-TRIAL-00012680terminatedPhase 2 / Phase 3ClinicalTrials.gov clinicaltrialsProvenance
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Why stopped (as posted): Poor recruitment
Summary
Brief summary (as posted)
This study seeks to evaluate whether the vitrification technique, as compared to the more traditional slow-cooling technique, leads to higher rates of successful thawing, fertilization, implantation and delivery.
Conditions
Conditions (4)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Egg Donors | — | UNRESOLVED | — |
| Failed Sperm Procurement in IVF | — | UNRESOLVED | — |
| Single Women | — | UNRESOLVED | — |
| Women Diagnosed With Cancer | — | UNRESOLVED | — |
Interventions
Interventions (2)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| slow freeze | Procedure | — | UNRESOLVED |
| Vitrification | Procedure | — | UNRESOLVED |
Design
Arms and outcomes
Arms (2)
- type
- EXPERIMENTAL
- label
- Slow Freezing
- description
- oocytes will be frozen by slow freeze/ rapid thaw
- interventionNames
- Procedure: slow freeze
- type
- EXPERIMENTAL
- label
- Vitrification
- description
- oocytes will be frozen using rapid freezing/rapid thaw
- interventionNames
- Procedure: Vitrification
Primary outcomes (1)
- measure
- Oocytes survival after thaw
- timeFrame
- 1 month
- description
Eligibility
Eligibility (as posted)
- Sex
- Female
- Minimum age
- 21 Years
- Maximum age
- 50 Years
Show eligibility criteria text
Inclusion Criteria: * Age between 21 and 50 years, at the time of informed consent. * Subjects must agree to undergo intracytoplasmic sperm injection (ICSI) Exclusion Criteria: * Presence of any medical condition that contraindicates ovarian stimulation, in vitro fertilization or pregnancy.
References
Publications (0)
Data not yet available
No reference posted for this study.