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Clinical trials and research at ModernaTX, Inc.

• 15Clinical trials
• 1New in 30 days
• 17Countries

Newest trials

All recruiting trials (15)

• Flu mRNA-1010 vaccine safety in children aged 9 to under 18

  This study tests the safety and immune response of the mRNA-1010 vaccine in healthy children ages 9 to under 18 who may receive a flu shot, alongside the standard Fluvarix Trivalent vaccine.

  Recruiting at 6 sites Phase 1 ModernaTX, Inc. · Modesto, California and 5 other locations · NCT07870330

• Vaccine formulations containing mRNA-1273 and mRNA-1283 to see if they boost immunity and remain safe

  This study tests whether two mRNA vaccines that target SARS-CoV-2 can safely generate an immune response in older adults and people with risk factors.

  Recruiting at 5 sites Phase 4 ModernaTX, Inc. · Overland Park, Kansas and 4 other locations · NCT07863635

• Vaccine study to test mRNA-1283 in children and infants

  A vaccine study will test two dose levels of mRNA-1283 in kids from 6 months to under 12 years to see which dose works best, using mRNA-1273 as a comparison.

  Recruiting at 12 sites Phase 2 ModernaTX, Inc. · Ontario, California and 30 other locations · NCT07808697

• Vaccine candidates for RSV and hMPV in older adults

  This study tests whether mRNA-1365 and related vaccine profiles are safe and able to trigger an immune response in healthy older adults.

  Recruiting at 2 sites Phase 1 ModernaTX, Inc. · Québec, Quebec and 9 other locations · NCT07764237

• mRNA-1189 Epstein-Barr (EBV) vaccine in healthy adults 18 to 30

  This trial will test whether the mRNA-1189 vaccine is safe and triggers an immune response in healthy adults 18 to 30 when given into the skin or muscle.

  Recruiting Phase 1 ModernaTX, Inc. · Melbourne, Victoria and 1 other locations · NCT07478952

• mRNA-2808 for relapsed or refractory multiple myeloma

  This will test whether mRNA-2808 is safe and tolerable for people with relapsed or refractory multiple myeloma who have already received standard therapies.

  Recruiting at 10 sites Phase 1/2 ModernaTX, Inc. · Birmingham, Alabama and 9 other locations · NCT07116616

• Testing mRNA-4106 alone and with immune therapy for advanced solid tumors

  This study is testing a new treatment called mRNA-4106, both by itself and with other immune therapies, to see if it can help people with advanced solid tumors who have run out of other options or are newly diagnosed.

  Recruiting at 3 sites Phase 1 ModernaTX, Inc. · Los Angeles, California and 3 other locations · NCT06880549

• Investigating mRNA-1195 for preventing multiple sclerosis relapses

  This study is testing if a new treatment called mRNA-1195 can help prevent relapses in people aged 18 to 55 who have multiple sclerosis.

  Recruiting at 15 sites Phase 2 ModernaTX, Inc. · Boston, Massachusetts and 16 other locations · NCT06735248

• Testing the safety of mRNA-0184 in healthy participants

  This study is testing a new mRNA treatment called mRNA-0184 to see if it's safe for healthy people.

  Recruiting Phase 1 ModernaTX, Inc. · Melbourne, Victoria · NCT06655870

• mRNA-1273 variant-containing COVID-19 vaccine: immune response and safety

  This will test variant-containing mRNA-1273 COVID-19 vaccine formulations to see if they boost immunity and are safe for previously vaccinated adults and selected children with risk factors.

  Recruiting at 6 sites Phase 4 ModernaTX, Inc. · Atlanta, Georgia and 5 other locations · NCT06585241

• Characterizing people with propionic acidemia using past medical records

  This project collects and reviews medical records to see what health events and outcomes people with propionic acidemia experience.

  Recruiting at 15 sites ModernaTX, Inc. · Stanford, California and 28 other locations · NCT05769621

• Testing mRNA-4359 alone and with pembrolizumab in advanced solid tumors

  This study is testing a new treatment called mRNA-4359, both alone and with another drug called pembrolizumab, to see how safe and effective it is for people with advanced solid tumors who have already tried other treatments.

  Recruiting at 35 sites Phase 1/2 ModernaTX, Inc. · Los Angeles, California and 38 other locations · NCT05533697

• Long-term evaluation of mRNA-3705 for treating methylmalonic acidemia

  This study is testing if a new treatment called mRNA-3705 is safe and effective for people with methylmalonic acidemia who have already tried it in previous studies.

  Recruiting at 11 sites Phase 1/2 ModernaTX, Inc. · Los Angeles, California and 11 other locations · NCT05295433

• Long-term safety assessment of mRNA-3927 for propionic acidemia patients

  This study is testing the long-term safety and effectiveness of the mRNA-3927 treatment for people with propionic acidemia who have already participated in a previous study.

  Recruiting at 12 sites Phase 1/2 ModernaTX, Inc. · Los Angeles, California and 21 other locations · NCT05130437

• Treatment for Propionic Acidemia using mRNA-3927

  This study is testing a new treatment called mRNA-3927 to see if it is safe and effective for people with propionic acidemia, including infants and older children.

  Recruiting at 19 sites Phase 1/2 ModernaTX, Inc. · Los Angeles, California and 34 other locations · NCT04159103

Quick answers

How many clinical trials run by ModernaTX, Inc. are recruiting right now?

15, as of November 12, 2026. 1 of them was first registered in the last 30 days. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

In 17 countries. The most sites are in United States (12 trials), United Kingdom (7 trials), Canada (5 trials), Spain (5 trials), Australia (5 trials). Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 1/2: 5, Phase 1: 5, Phase 4: 2, Phase 2: 2. 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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