# Keraring Implantation Based on Alfonso Nomogram

> **NCT07540208** · NA · ACTIVE_NOT_RECRUITING · sponsor: **Assiut University** · enrollment: 25 (actual)

## Conditions studied

- Keratoconic Subjects

## Interventions

- **PROCEDURE:** Intrastromal corneal ring segment implantation (ICRS)

## Key facts

- **NCT ID:** NCT07540208
- **Lead sponsor:** Assiut University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2025-03-01
- **Primary completion:** 2026-03-01
- **Final completion:** 2026-09-01
- **Target enrollment:** 25 (ACTUAL)
- **Last updated:** 2026-04-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07540208

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07540208, "Keraring Implantation Based on Alfonso Nomogram". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT07540208. Licensed CC0.

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