Injectable ‘chemo gel’ is possible alternative to abdominal rinses in abdominal cancer
A gel that can be injected into the abdominal cavity to deliver very local chemotherapy for weeks, could be a better alternative to the chemo abdominal rinses that are common today. Professor Patricia Dankers of Eindhoven University of Technology (TU/e), who led the development of this hydrogel, will now test it in a four-year preclinical study together with researchers from Maastricht UMC+ and Catharina Hospital. The Dutch KWF Cancer Society is backing this research to the tune of almost €600,000.
The developed hydrogel is programmed in such a way that it is liquid during injection, but becomes more solid after it is released into the body. The gel is filled with a widely used anticancer drug (better known as chemo), which is released over a period of days or even weeks. Dankers: “This new treatment combines the advantage of local chemotherapy with a non-invasive, long-term administration method. Patients who are not eligible for current forms of treatment are therefore likely to be able to receive treatment using this technique.”
Severe current treatment
Abdominal cancer, also called peritoneal cancer, is mainly caused by metastases, or spreading, of intestinal cancer. One in eight patients with bowel cancer develops metastases in the abdominal cavity. At the moment, the only promising treatment is an operation, in which the metastases are surgically removed, combined with a flush of local chemotherapy. In this local treatment, the abdominal cavity is rinsed for 90 minutes with chemo (so-called Hypertherme Intra Peritoneal Chemotherapy or HIPEC). Ignace de Hingh of Catharina Hospital: “The effect of this flush is limited because of its short duration. In addition, a large group of patients (1 in 4) is not eligible for this treatment because they are considered insufficiently fit to undergo this severe treatment. The effect then does not sufficiently outweigh the distress suffered by the patient.”
Illuminating tumor cells
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