Condition

Blood Specimen Collection clinical trials and research

• 2Clinical trials
• 2Countries

All recruiting trials (2)

• Pneumatic Tube System vs. Manual Transport for Blood Samples in ED

  This study tests whether using a pneumatic tube system versus manual transport affects how often blood samples from the emergency department show hemolysis.

  Recruiting Marmara University Pendik Training and Research Hospital · Istanbul, Pendik · NCT07755007

• Evaluation of immune responses in adults after vaccination or infection

  This study is testing how well the immune system responds in adults after they get vaccinated or recover from an infection to help improve future vaccines.

  Recruiting National Institutes of Health Clinical Center (CC) · Bethesda, Maryland · NCT01132859

Related topics

Quick answers

How many Blood Specimen Collection clinical trials are recruiting right now?

2, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

In 2 countries. The most sites are in Turkey (Türkiye) (1 trial), United States (1 trial). Each study page lists its sites and which ones are recruiting.

How do I join one?

Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.

Find the studies that fit you

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