# Efficacy and Safety of a Botanical Total Coumarin (TC) Cream in Treating Patients With Psoriasis Vulgaris (PLANTCOAT-IIb Trial)

> **NCT03372811** · PHASE2 · COMPLETED · sponsor: **Psoriasis Research Institute of Guangzhou** · enrollment: 88 (actual)

## Conditions studied

- Psoriasis Vulgaris
- Topical Administration

## Interventions

- **DRUG:** Total coumarin (TC) cream
- **DRUG:** Vehicle

## Key facts

- **NCT ID:** NCT03372811
- **Lead sponsor:** Psoriasis Research Institute of Guangzhou
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2015-06-11
- **Primary completion:** 2018-03-14
- **Final completion:** 2018-06-30
- **Target enrollment:** 88 (ACTUAL)
- **Last updated:** 2026-03-25


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03372811

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03372811, "Efficacy and Safety of a Botanical Total Coumarin (TC) Cream in Treating Patients With Psoriasis Vulgaris (PLANTCOAT-IIb Trial)". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT03372811. Licensed CC0.

---

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