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NCT05842070
The Stanford Egg Freezing Study
NA trial testing Low-Intensity Egg Freezing Protocol in Fertility Issues in 168 participants. Completed in 4 April 2025.
31 January 2025
Quick facts
| Lead sponsor | Stanford University |
|---|---|
| Phase | NA |
| Status | Completed |
| Study type | INTERVENTIONAL |
| Allocation | non randomized |
| Design | parallel |
| Masking | none |
| Primary purpose | treatment |
| Enrollment | 168 |
| Start date | 26 July 2023 |
| Primary completion | 31 January 2025 |
| Estimated completion | 4 April 2025 |
| Sites | 1 location across United States |
Drugs / interventions tested
- Low-Intensity Egg Freezing Protocol
- High-Intensity Egg Freezing Protocol
Conditions studied
- Fertility Issues — all drugs for Fertility Issues →
- Reproductive Issues — all drugs for Reproductive Issues →
Sponsor
Stanford University
Who can join
Adults 18 to 40, female only, with Fertility Issues or Reproductive Issues. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
The purpose of this study is to see if the investigators can obtain non-inferior clinical outcomes (similar numbers of oocytes) using the Cardinal protocol, a cost-conscious, low-intensity egg freezing protocol, compared to other routinely used high-intensity clinic protocols. This is a new program for Stanford's Fertility Clinic, so the investigators are assessing patient experience and cost-benefit of a low-cost, low-intensity approach that has demonstrated non-inferiority in IVF for infertility treatment, but has not been similarly evaluated in egg freezing. All enrolled participants will choose the Cardinal protocol or the routine high-intensity protocol designated by their physician. The investigators will then assess number of eggs retrieved, as well as patient satisfaction, cost, and time needed off work to complete the egg freezing cycle. The study's findings could ultimately open the door to implementation of lower-cost standardized protocols that would be more affordable and accessible to people who may otherwise not be able to pursue fertility preservation.
Publications & conference data
No peer-reviewed publications indexed yet for this trial. Completed trials usually publish results within 12-18 months.
Verify or expand the search:
- PubMed search for NCT05842070
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
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Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT05842070 (US National Library of Medicine, public domain)
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Stanford University
- Last refreshed: 20 January 2026
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT05842070.
Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing