Richter transformation, traditionally referred to as Richter syndrome, can have an effect on sufferers who’ve or haven’t been handled for power lymphocytic leukemia (CLL). In uncommon circumstances, it could possibly happen in beforehand untreated sufferers with CLL.
Named after Maurice Richter, Ph.D., Richter transformation happens when power lymphocytic leukemia adjustments right into a extra aggressive illness – normally diffuse massive B-cell lymphoma or, a lot much less generally, Hodgkin lymphoma.
We spoke with CLL specialist William Wierda, M.D., Ph.D., to be taught extra about Richter transformation.
What are the signs of Richter transformation?
Sufferers normally expertise the next signs concurrently:
- Fever
- Quickly enlarging lymph nodes
- Electrolyte abnormalities
- Fatigue
Remember that the syndrome is uncommon. “Lower than 10% to twenty% of sufferers develop Richter transformation over the course of their illness,” says Wierda.
How is Richter transformation identified?
If a power lymphocytic leukemia affected person experiences signs of Richter transformation, their oncologist will order a PET-CT scan to search for adjustments to the scale and metabolic exercise of lymph nodes.
“In CLL, we will see massive lymph nodes, however not one of the lymph nodes will present excessive metabolic exercise, mirrored by a excessive SUV on the PET-CT scan,” explains Wierda. “In Richter, there’s extra metabolic exercise within the lymph nodes, which may be seen on these scans and is used to direct the situation for lymph node biopsy required to doc the illness.”
Leukemia cells flow into within the blood, a easy blood draw can inform your physician extra info after they’re making a CLL analysis. In case your physician thinks you may need Richter transformation, they’ll biopsy lymph nodes. If the biopsy reveals cells which can be massive and lively, this means aggressive lymphoma.
What causes Richter transformation?
“The reason for Richter transformation continues to be not totally understood,” says Wierda. “Some sufferers have an elevated danger of growing it if they’ve a mutated gene referred to as NOTCH1 or they’ve a number of chromosomal abnormalities within the leukemia cells.”
Can the reworked illness be handled?
By the point they’re identified with Richter transformation, many sufferers have already undergone prior remedy for CLL. For these sufferers, chemotherapy doesn’t work as nicely to deal with the reworked illness.
“At MD Anderson, the remedies we give for sufferers who’ve undergone Richter transformation are typically like customary lymphoma remedy. However we’ve a number of scientific trials occurring to discover different remedy choices,” says Wierda.
Stem cell transplants have proven long-term outcomes for Richter transformation.
“Our scientific trials are wanting on the promise of CAR T cell remedy and a bispecific monoclonal antibody remedy,” says Wierda. “These trials are essential. Understanding Richter transformation is likely one of the largest unmet wants for sufferers with CLL.”
Why is it essential to go to a analysis hospital like MD Anderson for remedy for Richter transformation?
“Richter transformation may be difficult to deal with,” says Wierda. “As a result of there isn’t a customary remedy, sufferers who come to MD Anderson for remedy can entry remedy choices by way of analysis initiatives and scientific trials that will not in any other case be accessible to them.”
Request an appointment at MD Anderson on-line or name 1-877-632-6789.

