PGT-A Upgrade International Multicenter Observational Clinical Trial

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Prospective International Multi-center Clinical Trial of PGT-A Upgrade

Observational NCT07533630 Kind: OBSERVATIONAL Apr 16, 2026

Abstract

The goals of this international multicenter cross-sectional study are:

1. To provide patients with a comprehensive PGT solution capable of simultaneously detecting embryonic chromosomal aneuploidy, mosaicism, microdeletions/ microduplications, heteroploidy, and heterozygosity (LOH) in a single assay, thereby reducing miscarriage and birth defects;
2. To perform PGT analysis on abnormally fertilized embryos, select euploid embryos with normal ploidy, and calculate embryo utilization rates;
3. To reduce the false-positive rate through confirmation of mosaic embryos and subsequent analysis of its origin, thereby minimizing embryo wastage;
4. To provide molecular genetic evidence for expert consensus on clinical management of atypically fertilized embryos, of pathogenic/likely pathogenic small CNVs, optimize mosaic embryo transfer strategies, and inform preconception intervention;
5. To enhance international PGT testing standards through international multi-center collaboration.

The study will enroll patients undergoing PGT-A from seven domestic and international centers, with patient enrollment expected to be completed within one year. PGT-A upgrade testing will be performed on embryos from enrolled patients, and the incidence rates of Incidence of microdeletions/microduplications, heteroploidy, LOH will be statistically analyzed. All patients who undergo embryo transfer will be followed up for clinical outcomes and birth defects.

Conditions: Infertility Assisted Reproductive Technology

Interventions: PGT-A upgrade

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