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Clinical trials and research at GC Biopharma Corp

• 5Clinical trials
• 4Countries

Newest trials

All recruiting trials (5)

• MG1111 (BARYCELA) versus VARIVAX for preventing chickenpox in children 1 to 12 years

  This will test whether the MG1111 (BARYCELA) vaccine is safe and produces an immune response comparable to VARIVAX in healthy children aged 12 months to 12 years.

  Recruiting Phase 3 GC Biopharma Corp · Khon Kaen, Changwat Khon Kaen · NCT07054099

• GC3111B versus Boostrix® as a Tdap booster in healthy adults

  This study will test whether the GC3111B vaccine is safe and produces protective immune responses comparable to Boostrix® when given as a Tdap booster to healthy adults aged 19–64.

  Recruiting Phase 1/2 GC Biopharma Corp · Seoul · NCT06997627

• Testing HM15421 (GC1134A) for safety and tolerability in people with Fabry disease

  This Phase 1/2 study will test whether HM15421 (GC1134A) is safe and well tolerated in adults with Fabry disease and will collect early data on how the drug behaves in the body and affects disease markers.

  Recruiting at 10 sites Phase 1/2 GC Biopharma Corp · Los Angeles, California and 9 other locations · NCT06858397

• Evaluating the safety and effectiveness of I.V.-Hepabig for post-liver transplant patients with Hepatitis B

  This study tests if a new treatment called I.V.-Hepabig can safely help liver transplant patients who had Hepatitis B by preventing the virus from coming back.

  Recruiting at 8 sites Phase 3 GC Biopharma Corp · Goyang-si, Gyeonggi-do and 7 other locations · NCT05686759

• Evaluating a second varicella vaccination in young children

  This study is testing a second chickenpox vaccine in healthy kids aged 4 to 6 to see if it's safe and helps boost their immunity after they’ve already had the first shot.

  Recruiting Phase 2 GC Biopharma Corp · Ansan · NCT05422508

Quick answers

How many clinical trials run by GC Biopharma Corp 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 4 countries. The most sites are in South Korea (4 trials), Thailand (1 trial), Argentina (1 trial), United States (1 trial). Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 3: 2, Phase 1/2: 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.

Find the studies that fit you

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