Sponsor or institution

Clinical trials and research at Sumitomo Pharma America, Inc.

• 5Clinical trials
• 14Countries

Newest trials

All recruiting trials (5)

• Safety of a one-time DSP-3077 retinal sheet injection in adults with retinitis pigmentosa

  This will test whether a single subretinal injection of DSP-3077 retinal sheets is safe and well tolerated in adults with retinitis pigmentosa.

  Recruiting at 2 sites Phase 1/2 Sumitomo Pharma America, Inc. · Boston, Massachusetts and 1 other locations · NCT06891885

• Evaluating the safety and effects of DSP-1083 in Parkinson's disease patients

  This study is testing a new treatment called DSP-1083 to see if it can safely help people with Parkinson's disease feel better over two years.

  Recruiting at 3 sites Phase 1/2 Sumitomo Pharma America, Inc. · La Jolla, California and 2 other locations · NCT06753331

• SMP-3124LP treatment for adults with advanced solid tumors

  This study is testing a new treatment called SMP-3124LP to see if it can help adults with advanced solid tumors, like certain types of ovarian and breast cancer, feel better and improve their condition.

  Recruiting at 12 sites Phase 1/2 Sumitomo Pharma America, Inc. · Los Angeles, California and 12 other locations · NCT06526819

• Testing Enzomenib for patients with relapsed or refractory acute leukemia

  This study is testing a new drug called Enzomenib to see if it can help adults with relapsed or hard-to-treat acute leukemia feel better.

  Recruiting at 80 sites Phase 1/2 Sumitomo Pharma America, Inc. · Newport Beach, California and 103 other locations · NCT04988555

• Oral Nuvisertib for Patients with Myelofibrosis

  This study is testing a new oral medication called nuvisertib to see if it can help people with myelofibrosis who haven't had success with other treatments.

  Recruiting at 87 sites Phase 1/2 Sumitomo Pharma America, Inc. · Birmingham, Alabama and 90 other locations · NCT04176198

Quick answers

How many clinical trials run by Sumitomo Pharma America, Inc. 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 14 countries. The most sites are in United States (5 trials), Japan (3 trials), Belgium (2 trials), Canada (2 trials), France (2 trials). Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 1/2: 5. 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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