control group:air

3 trials

Sponsors

Shenzhen People's Hospital (the Second Clinical Medical College of Jinan University / the First Affiliated Hospital of South University of science and Technology), Beijing Luhe Hospital affiliated to Capital Medical University, Shandong First Medical University

Conditions

Early gastric cancerendoscopy examinationhypertension

Early Phase 1

A clinical study of an improved water-gas combined single colonoscopy

Active, not recruitingChiCTR2000037591

Beijing Luhe Hospital affiliated to Capital Medical Universityendoscopy examination

Start: 2020-10-01Updated: 2020-11-02

The effect of hydrogen inhalation on blood pressure in community patients with hypertension: a randomized controlled trial

Active, not recruitingChiCTR2100049865

Shandong First Medical Universityhypertension

Start: 2021-08-20Updated: 2022-04-19

Unknown Phase

Comparison of air and carbon dioxide on comfort and complications of patients after gastroscopy: a prospective randomized controlled trial

Active, not recruitingChiCTR2000033314

Shenzhen People's Hospital (the Second Clinical Medical College of Jinan University / the First Affiliated Hospital of South University of science and Technology)Early gastric cancer

Start: 2020-06-26Updated: 2020-06-01