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INTRODUCTION Thiophene derivatives have been widely studied as promising options for the treatment of solid tumors. Previous studies have shown that thiophene derivatives have antileishmanial activity and cytotoxic activity against breast, colon, and ovarian cancer cells. METHOD In our study, we evaluated the anticancer activities of three aminothiophene derivatives: SB-44, SB-83, and SB-200, in prostate and cervical adenocarcinoma cells. Several in vitro methods were performed, including cytotoxicity, clonogenic migration, mutagenic, and cleaved Poly (ADP-ribose) polymerase (PARP) assays and annexin V staining. RESULTS Significant cytotoxicity was observed in cell lines with IC50 values less than 35µM (15.38 - 34.04 µM). All aminothiophene derivatives significantly reduced clone formation but had no effect on cell motility. SB-83 and SB-44 induced a significant increase in the percentage of cells in the sub-G1 phase, while SB-200 derivatives significantly decreased the percentage of S/G2/M as well as induced apoptosis, with an increase of cleaved PARP. SBs compounds also showed significant mutagenic potential. Beyond that, in silico analyses revealed that all three thiophene derivatives fulfilled the criteria for oral druggability, which underscores the potential of using them in anticancer therapies. CONCLUSION Our findings show that the thiophene nucleus may be used to treat solid tumors, including prostate cancer and cervical adenocarcinoma.