Anemia after bariatric surgery

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study will enroll patients aged 16–70 who are scheduled for sleeve gastrectomy or Roux-en-Y gastric bypass and who are not anemic at baseline. Investigators will collect baseline clinical data and blood tests and will monitor participants at multiple postoperative time points to document short- and long-term anemia incidence. The study will analyze patient characteristics, surgical factors, and laboratory changes to identify risk factors associated with developing anemia. Findings aim to clarify real-world rates of anemia after bariatric procedures and inform monitoring and prevention strategies.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* Patients who will undergo sleeve gastrectomy or Roux-en-Y gastric bypass
* Aged between 16 and 70 years
* Patients who is not diagnosed as anemia at baseline

Exclusion Criteria:

* Patients who have anemia at baseline

Where it's running

• Yuntao Nie
  Beijing, China Recruiting

Study contacts

• Principal investigator: Yuntao Nie, M.D. — China-Japan Friendship Hospital
• Study coordinator: Yuntao Nie, M.D.
• Email: nytnyt1231@163.com
• Phone: +8618611835860

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.