Complications associated with intraperitoneal 32P

Area of Science:

• Oncology
• Radiation Oncology
• Nuclear Medicine

Background:

• Intraperitoneal 32P (radionuclide) therapy is used for ovarian cancer.
• Complications and risk factors associated with this treatment require evaluation.

Purpose of the Study:

• To retrospectively review complications of intraperitoneal 32P therapy.
• To identify factors related to the development of acute and chronic complications.

Main Methods:

• Retrospective chart review of 95 patients treated with intraperitoneal 32P.
• Analysis of complication types (mild, moderate, severe) and their correlation with treatment parameters.
• Follow-up averaged 43.6 months.

Main Results:

• 21% of patients experienced acute side effects, primarily mild.
• 15% experienced chronic complications, with severe cases being bowel obstructions.
• Acute side effects correlated with instillate volume (P=0.049).
• Chronic complications were linked to adjunctive pelvic/abdominal radiotherapy (44% vs 17%, P=0.04).

Conclusions:

• Intraperitoneal 32P therapy is associated with manageable acute side effects.
• Adjunctive radiotherapy significantly increases the risk of severe chronic complications, mainly bowel obstructions.
• Treatment protocols should consider the combined risks of 32P and radiotherapy.