# Turner And Klinefelter Treatment Target Study

> **NCT04803474** · — · UNKNOWN · sponsor: **dr. Laura C. G. de Graaff-Herder** · enrollment: 370 (estimated)

## Conditions studied

- Klinefelter Syndrome
- Turner Syndrome

## Interventions

- **DIAGNOSTIC_TEST:** Measurement of blood values, questionnaire scores and measurements of hormone levels in hair

## Key facts

- **NCT ID:** NCT04803474
- **Lead sponsor:** dr. Laura C. G. de Graaff-Herder
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2018-07-01
- **Primary completion:** 2024-07-01
- **Final completion:** 2024-12-01
- **Target enrollment:** 370 (ESTIMATED)
- **Last updated:** 2023-09-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04803474

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04803474, "Turner And Klinefelter Treatment Target Study". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT04803474. Licensed CC0.

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