Drug or treatment

Eculizumab clinical trials

• 5Clinical trials
• 6Countries

Newest trials

All recruiting trials (5)

• Eculizumab for high-risk TA-TMA in adult HSCT recipients

  This trial tests whether eculizumab can help adults with high-risk TA-TMA after allogeneic stem cell transplantation.

  Recruiting at 8 sites Phase 2 First Affiliated Hospital of Zhejiang University · Changsha, Hunan and 7 other locations · NCT07707687

• Acute treatments for AQP4-positive NMOSD attacks

  This project will test whether adding eculizumab or IVIG to high-dose IV steroid pulses helps adults with AQP4-positive NMOSD during an acute attack.

  Recruiting Phase 4 Chinese PLA General Hospital · Beijing · NCT07410039

• Rituximab vs multiple approved NMOSD therapies to prevent relapses

  This study tests whether rituximab or one of four other approved medicines is better at preventing NMOSD relapses in adults who have AQP4-IgG.

  Recruiting at 2 sites Phase 4 Massachusetts General Hospital · Boston, Massachusetts and 2 other locations · NCT07010302

• Evaluating Danicopan with Ravulizumab or Eculizumab for Pediatric PNH Patients

  This study is testing if adding danicopan to the current treatments of ravulizumab or eculizumab can help kids with PNH have better hemoglobin levels.

  Recruiting at 4 sites Phase 3 Alexion Pharmaceuticals, Inc. · Saskatoon, Saskatchewan and 3 other locations · NCT06449001

• Eculizumab for treating hemolytic uremic syndrome linked to hypertensive emergencies

  This study is testing if Eculizumab can help people with kidney problems caused by severe high blood pressure feel better and recover faster.

  Recruiting Phase 3 Assistance Publique - Hôpitaux de Paris · Paris · NCT05726916

Quick answers

How many clinical trials of Eculizumab are recruiting right now?

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

Where are these trials running?

In 6 countries. The most sites are in France (2 trials), China (2 trials), Canada (1 trial), United Kingdom (1 trial), Germany (1 trial). Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 3: 2, Phase 4: 2, Phase 2: 1. Trials with no phase listed are usually device, behavioural or observational studies.

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.

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