Learn About Mycosis Fungoides

What is the definition of Mycosis Fungoides?

Mycosis fungoides is the most common form of a type of blood cancer called cutaneous T-cell lymphoma. Cutaneous T-cell lymphomas occur when certain white blood cells, called T cells, become cancerous; these cancers characteristically affect the skin, causing different types of skin lesions. Although the skin is involved, the skin cells themselves are not cancerous. Mycosis fungoides usually occurs in adults over age 50, although affected children have been identified.

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What are the causes of Mycosis Fungoides?

The cause of mycosis fungoides is unknown. Most affected individuals have one or more chromosomal abnormalities, such as the loss or gain of genetic material. These abnormalities occur during a person's lifetime and are found only in the DNA of cancerous cells. Abnormalities have been found on most chromosomes, but some regions are more commonly affected than others. People with this condition tend to have additions of DNA in regions of chromosomes 7 and 17 or loss of DNA from regions of chromosomes 9 and 10. It is unclear whether these genetic changes play a role in mycosis fungoides, although the tendency to acquire chromosome abnormalities (chromosomal instability) is a feature of many cancers. It can lead to genetic changes that allow cells to grow and divide uncontrollably.

How prevalent is Mycosis Fungoides?

Mycosis fungoides occurs in about 1 in 100,000 to 350,000 individuals. It accounts for approximately 70 percent of cutaneous T-cell lymphomas. For unknown reasons, mycosis fungoides affects males nearly twice as often as females. In the United States, there are an estimated 3.6 cases per million people each year. The condition has been found in regions around the world.

Is Mycosis Fungoides an inherited disorder?

The inheritance pattern of mycosis fungoides has not been determined. Although the condition has been found in multiple members of more than a dozen families, it most often occurs in people with no history of the disorder in their family and is typically not inherited.

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What are the latest Mycosis Fungoides Clinical Trials?
A Phase II, Open-Label, Single-Arm Trial Using KEYTRUDA (Pembrolizumab) as Initial Systemic Therapy in the Treatment of Advanced Mycosis Fungoides

Summary: This phase II trial studies how well pembrolizumab works in treating patients with stage IB-IV mycosis fungoides. Antibodies, such as pembrolizumab, may interfere with the ability of cancer cells to grow and spread.

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Phase I Dose-Escalation Study of CPI-613, in Combination With Bendamustine, in Patients With Relapsed or Refractory T-Cell Non-Hodgkin Lymphoma or Classic Hodgkin Lymphoma

Summary: This phase I trial studies the side effects and best dose of CPI-613 when given together with bendamustine hydrochloride in treating patients with relapsed or refractory T-cell non-Hodgkin lymphoma or Hodgkin lymphoma. CPI-613 may kill cancer cells by turning off their mitochondria, which are used by cancer cells to produce energy and are the building blocks needed to make more cancer cells. By sh...

Who are the sources who wrote this article ?

Published Date: May 17, 2021Published By: National Institutes of Health

What are the Latest Advances for Mycosis Fungoides?
Prognosis in early stage cutaneous T-cell lymphoma treated with psoralen plus ultraviolet A irradiation and low-dose interferon-α: Long-term efficacy and survival according to conventional and emerging clinical endpoints.
Efficacy and Safety of Topical Hypericin Photodynamic Therapy for Early-Stage Cutaneous T-Cell Lymphoma (Mycosis Fungoides): The FLASH Phase 3 Randomized Clinical Trial.
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Chlormethine Gel for Patients with Mycosis Fungoides Cutaneous T Cell Lymphoma: A Review of Efficacy and Safety in Clinical Trial and Real-World Settings.