Vascepa (icosapent ethyl) is a prescription medication that is used to reduce triglyceride levels in adults with severe hypertriglyceridemia. According to the sources provided, there is no information to suggest that other drugs can utilize Vascepa's absorption mechanism.

DrugPatentWatch [1] provides information on the patent status of Vascepa, but it does not provide any information on whether other drugs can utilize its absorption mechanism.

DrugBank [2] provides information on the pharmacology of Vascepa, but it does not mention anything about other drugs utilizing its absorption mechanism.

The FDA label for Vascepa [3] provides detailed information on the drug's pharmacokinetics, but it does not mention anything about other drugs utilizing its absorption mechanism.

In conclusion, based on the sources provided, there is no information to suggest that other drugs can utilize Vascepa's absorption mechanism. However, it is important to note that this does not necessarily mean that it is impossible for other drugs to utilize the same mechanism. Further research may be needed to determine if this is the case.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/VASCEPA
[2] https://go.drugbank.com/drugs/DB08887
[3] https://www.accessdata.fda.gov/drugsatfda_docs/label/2013/202057s009lbl.pdf