# Obstetric Antiphospholipid Antibody Syndrome : Contribution of the Evaluation of ADAMTS13 Made at the Diagnosis of Pregnancy on Evaluation the Risk of Pre-eclampsia

> **NCT04319341** · — · COMPLETED · sponsor: **Centre Hospitalier Universitaire de Nīmes** · enrollment: 513 (actual)

## Conditions studied

- Antiphospholipid Antibody Syndrome in Pregnancy

## Interventions

- **OTHER:** To study the prognostic value on the occurrence of pre-eclampsia, ADAMTS13 (ADAMTS13 protein and autoantibodies) in patients diagnosed with oAPS

## Key facts

- **NCT ID:** NCT04319341
- **Lead sponsor:** Centre Hospitalier Universitaire de Nīmes
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-04-01
- **Primary completion:** 2020-12-31
- **Final completion:** 2020-12-31
- **Target enrollment:** 513 (ACTUAL)
- **Last updated:** 2025-12-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04319341

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04319341, "Obstetric Antiphospholipid Antibody Syndrome : Contribution of the Evaluation of ADAMTS13 Made at the Diagnosis of Pregnancy on Evaluation the Risk of Pre-eclampsia". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT04319341. Licensed CC0.

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