BIBR 1532 is primarily used in research settings as a potent and selective telomerase inhibitor. It has been studied extensively for its potential applications in cancer therapy, as telomerase activity is often upregulated in cancer cells, contributing to their immortality. By inhibiting telomerase, BIBR 1532 can induce senescence or apoptosis in cancer cells, making it a promising candidate for targeted cancer treatments. Additionally, it is utilized in studies exploring the role of telomerase in cellular aging and age-related diseases, providing insights into the mechanisms of aging and potential therapeutic interventions. Its application in these areas has contributed significantly to understanding telomere biology and its implications in health and disease.