Actively Recruiting

Age: 18Years +
All Genders
NCT07003100

A Prospective, US-based Study Assessing Mogamulizumab-associated Rash in Patients Diagnosed With Mycosis Fungoides or Sezary Syndrome and Treated With Standard of Care Mogamulizumab

Led by City of Hope Medical Center · Updated on 2025-09-09

100

Participants Needed

10

Research Sites

97 weeks

Total Duration

On this page

Sponsors

C

City of Hope Medical Center

Lead Sponsor

N

National Cancer Institute (NCI)

Collaborating Sponsor

AI-Summary

What this Trial Is About

This study is being done to assess mogamulizumab-associated rash in patients diagnosed with mycosis fungoides or sezary syndrome and treated with standard of care mogamulizumab. One of the most common side effects of mogamulizumab is a rash, currently named mogamulizumab-associated rash (MAR) which can look like MF or SS. However, mogamulizumab-associated rash (MAR) does not indicate failure of mogamulizumab, and may be a sign that the drug is working. If not properly evaluated, mogamulizumab-associated rash (MAR) could be misinterpreted as worsening of mycosis fungoides/sezary syndrome, which could lead doctors to recommend stopping mogamulizumab treatment early. The information learned by doing this research study may help tell the difference between mogamulizumab-associated rash (MAR) (sometimes also called "drug eruption") and worsening of the disease. It may also help to uncover information about the cause of mogamulizumab-associated rash (MAR).

CONDITIONS

Official Title

A Prospective, US-based Study Assessing Mogamulizumab-associated Rash in Patients Diagnosed With Mycosis Fungoides or Sezary Syndrome and Treated With Standard of Care Mogamulizumab

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Adult patients (18 years or older) diagnosed with relapsed or refractory mycosis fungoides (MF) stage IB, IIA, IIB, III, or IV or sezary syndrome (SS).
  • Selected by their treating physician to receive single agent mogamulizumab (newly initiated).
  • Signed informed consent.
  • Willing to undergo baseline biopsy and biopsies during treatment if mogamulizumab-associated rash (MAR) is suspected.
  • Willing to provide blood samples at baseline and if MAR occurs.
Not Eligible

You will not qualify if you...

  • Receiving other systemic or skin-directed cutaneous T-cell lymphoma (CTCL) treatments except for topical steroids.
  • Prior treatment with mogamulizumab.

AI-Screening

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Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 10 locations

1

City of Hope Medical Center

Duarte, California, United States, 91010

Actively Recruiting

2

Stanford Cancer Institute Palo Alto

Palo Alto, California, United States, 94304

Not Yet Recruiting

3

Moffitt Cancer Center

Tampa, Florida, United States, 33612

Not Yet Recruiting

4

Emory University Hospital/Winship Cancer Institute

Atlanta, Georgia, United States, 30322

Not Yet Recruiting

5

Johns Hopkins University/Sidney Kimmel Cancer Center

Baltimore, Maryland, United States, 21287

Not Yet Recruiting

6

Brigham and Women's Hospital

Boston, Massachusetts, United States, 02115

Not Yet Recruiting

7

Siteman Cancer Center at Washington University

St Louis, Missouri, United States, 63110

Actively Recruiting

8

Thomas Jefferson University Hospital

Philadelphia, Pennsylvania, United States, 19107

Not Yet Recruiting

9

M D Anderson Cancer Center

Houston, Texas, United States, 77030

Not Yet Recruiting

10

Fred Hutchinson Cancer Center

Seattle, Washington, United States, 98109

Not Yet Recruiting

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How is the study designed?

Study Type

OBSERVATIONAL

Masking

N/A

Allocation

N/A

Model

N/A

Primary Purpose

N/A

Number of Arms

1

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