Other Clinical Trial - A Study to Evaluate the Long-term Safety,

Interventional studies are often prospective and are specifically tailored to evaluate direct impacts of treatment or preventive measures on disease.

Observational studies are often retrospective and are used to assess potential causation in exposure-outcome relationships and therefore influence preventive methods.

Expanded access is a means by which manufacturers make investigational new drugs available, under certain circumstances, to treat a patient(s) with a serious disease or condition who cannot participate in a controlled clinical trial.

Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

NCT number	NCT06441812
Study type	Interventional
Source	Guangdong Hengrui Pharmaceutical Co., Ltd
Contact	Tianqi Zheng
Phone	+0518-81220121
Email	tianqi.zheng.tz6@hengrui.com
Status	Not yet recruiting
Phase	Phase 2
Start date	June 2024
Completion date	December 2027

A Study to Evaluate the Long-term Safety, Pharmacodynamics and Efficacy of SHR-1703 in Eosinophilic Asthma Patients

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