Glucomannan - Revlimid (Lenalidomide) Interaction

Interaction Details

Lenalidomide is classified as belonging to the following category: Oral Drugs

Theoretically, glucomannan may decrease absorption of drugs taken orally.
Due to its viscosity and bulking effects, there is concern that glucomannan can decrease the absorption of oral drugs. A small clinical study in healthy volunteers shows that taking glyburide 2.5 mg plus glucomannan 3.9 grams with breakfast reduces plasma levels of glyburide when compared with breakfast and glyburide alone. To avoid changes in absorption, take glucomannan 30-60 minutes after taking oral drugs.

Interaction Rating

Likelihood of Occurrence

Interaction has not been documented in well-controlled studies, however, the interaction has been demonstrated in some small human studies or in controlled animal studies in conjunction with multiple case reports.

References

• Shima K, Tanaka A, Ikegami H, et al. Effect of dietary fiber, glucomannan, on absorption of sulfonylurea in man. Horm Metab Res 1983;15:1-3.

Lenalidomide Overview

• Lenalidomide is used to treat a certain type of myelodysplastic syndrome (a group of conditions in which the bone marrow produces blood cells that are misshapen and does not produce enough healthy blood cells). Lenalidomide is also used along with dexamethasone to treat people with multiple myeloma (a type of cancer of the bone marrow). It is also used to treat people with multiple myeloma after a hematopoietic stem-cell transplant (HSCT; procedure in which certain blood cells are removed from the body and then returned to the body). Lenalidomide is also used to treat people with mantle cell lymphoma (a fast-growing cancer that begins in the cells of the immune system) who have been treated with bortezomib (Velcade) and at least one other medication. Lenalidomide should not be used to treat people with chronic lymphocytic leukemia (a type of cancer of the white blood cells that gets worse slowly over time) unless they are participating in a clinical trial (research study to see whether a medication may be used safely and effectively to treat a certain condition). Lenalidomide is in a class of medications called immunomodulatory agents. It works by helping the bone marrow to produce normal blood cells and by killing abnormal cells in the bone marrow.

Glucomannan - More Interactions

Glucomannan interacts with 1987 drugs

Interaction Rating Key

These severity listings are for informational use only. Never start, stop or otherwise change your therapy before speaking with your provider.