# An Investigation of the Effect of Smartphone Usage Levels on Cervical Posture, Tongue Pressure, Balance, and Neck Disability in Individuals With Rheumatoid Arthritis and Ankylosing Spondylitis

> **NCT07627542** · — · RECRUITING · sponsor: **Merve Şahin** · enrollment: 111 (estimated)

## Conditions studied

- Rheumatoid Arthritis (RA)
- Ankylosing Spondylitis (AS)
- Forward Head Posture

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT07627542
- **Lead sponsor:** Merve Şahin
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2026-04-09
- **Primary completion:** 2026-11
- **Final completion:** 2026-11
- **Target enrollment:** 111 (ESTIMATED)
- **Last updated:** 2026-06-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07627542

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07627542, "An Investigation of the Effect of Smartphone Usage Levels on Cervical Posture, Tongue Pressure, Balance, and Neck Disability in Individuals With Rheumatoid Arthritis and Ankylosing Spondylitis". Retrieved via MORVS 2026-10-21 from https://api.morvs.ai/clinical/NCT07627542. Licensed CC0.

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