# Theophylline Nasal Spray for PD-Related Hyposmia and Anosmia

> **NCT06498687** · PHASE1 · WITHDRAWN · sponsor: **University of Nebraska**

## Conditions studied

- Hyposmia
- Anosmia

## Interventions

- **DRUG:** CYR-064

## Key facts

- **NCT ID:** NCT06498687
- **Lead sponsor:** University of Nebraska
- **Sponsor class:** OTHER
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2025-04
- **Primary completion:** 2026-06
- **Final completion:** 2026-07
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** sponsor discontinued site participation
- **Last updated:** 2025-03-13


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06498687

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06498687, "Theophylline Nasal Spray for PD-Related Hyposmia and Anosmia". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT06498687. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*