# A Study of Hydroxypropyl Guar Galactomannan 0.25% (HPGG) Versus Vehicle in Dry Eye Patients

> **NCT00840268** · PHASE2 · COMPLETED · sponsor: **Alcon Research** · enrollment: 427 (actual)

## Conditions studied

- Dry Eye

## Interventions

- **DRUG:** Hydroxypropyl Guar Galactomannan (HPGG) 0.25% ophthalmic gel
- **DRUG:** Hydroxypropyl Guar Galactomannan Vehicle

## Key facts

- **NCT ID:** NCT00840268
- **Lead sponsor:** Alcon Research
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2009-02
- **Primary completion:** 2009-07
- **Final completion:** 2009-07
- **Target enrollment:** 427 (ACTUAL)
- **Last updated:** 2014-07-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00840268

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00840268, "A Study of Hydroxypropyl Guar Galactomannan 0.25% (HPGG) Versus Vehicle in Dry Eye Patients". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT00840268. Licensed CC0.

---

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