# Sequential vs. Standard Laser Treatment of Twin-twin Transfusion Syndrome

> **NCT02122328** · NA · COMPLETED · sponsor: **University of Southern California** · enrollment: 642 (actual)

## Conditions studied

- Twin Twin Transfusion Syndrome

## Interventions

- **PROCEDURE:** Sequential laser photocoagulation of communicating vessels.
- **PROCEDURE:** Selective laser photocoagulation of communicating vessels

## Key facts

- **NCT ID:** NCT02122328
- **Lead sponsor:** University of Southern California
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2010-06-09
- **Primary completion:** 2023-04-30
- **Final completion:** 2023-10-31
- **Target enrollment:** 642 (ACTUAL)
- **Last updated:** 2025-07-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02122328

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02122328, "Sequential vs. Standard Laser Treatment of Twin-twin Transfusion Syndrome". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT02122328. Licensed CC0.

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