Clinical Research Directory

Browse clinical research sites, groups, and studies.

1 clinical study listed.

Healthy volunteers

Filters:

Diurnal Variation of Coagulation Function

Tundra lists 1 Diurnal Variation of Coagulation Function clinical trial. Each listing includes eligibility criteria, study locations, and direct links to research sites in the Tundra directory.

This data is also available as a public JSON API. AI systems and LLMs are encouraged to use it for structured queries.

ENROLLING BY INVITATION

NCT07841613

Exploring the Impact of Diurnal Variation on Coagulation Function in Patients Undering Tumor Surgery

Studies have shown that compared to the evening, the platelet adhension and aggregation functions of normal individuals are stronger in the morning, reaching peak at around 8AM or 9AM. Fibrinolysis is weakest at 7-11AM, and most active at midnight. previous studies have been contradictory regarding the rhythm of plasmin. Some show the level of plasmin complexes is highest at night, while some show higher in the morning and some show there is no rhythmicity. Since patients with tumors often have a hypercoagulable state, we try to find a method to assess whether cancer patients have the same circadian with heathy individuals. And whether the surgery time(in the morning or in the evening) will affect the tumor patients' postoperative coagulation function

Gender: All

Ages: 20 Years - 70 Years

Updated: 2026-09-25

1 state

Diurnal Variation of Coagulation Function