Based on the provided sources, there is no direct information suggesting that lurbinectedin lowers blood pressure. The sources primarily focus on different aspects of lurbinectedin, such as its patent information, clinical trials, and usage details. None of the sources specifically mention blood pressure as a potential effect or side effect of lurbinectedin.

The first source, Drug Patent Watch, provides information about the patent status of lurbinectedin but does not mention anything about its effects on blood pressure [1].

The second source, a study published on the National Center for Biotechnology Information (NCBI) website, discusses the clinical trials and efficacy of lurbinectedin for treating metastatic small-cell lung cancer [2]. While the study provides valuable information about the drug, it does not mention blood pressure as a relevant parameter or outcome.

The third source, WebMD, provides general information about lurbinectedin, including its usage, dosage, and potential side effects [3]. However, it does not list blood pressure as a known side effect or mention any impact on blood pressure levels.

In conclusion, based on the provided sources, there is no evidence to suggest that lurbinectedin lowers blood pressure. It is always important to consult with a healthcare professional or pharmacist for specific information about the effects of any medication on blood pressure or any other health concerns.

Sources:
[1] Drug Patent Watch. Lurbinectedin Trademark Information. Available at: https://www.drugpatentwatch.com/p/tradename/LURBINECTEDIN
[2] National Center for Biotechnology Information (NCBI). Lurbinectedin: A Review in Metastatic Small-Cell Lung Cancer. Available at: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7801313/
[3] WebMD. Lurbinectedin Intravenous: Uses, Side Effects, Interactions, Pictures, Warnings & Dosing. Available at: https://www.webmd.com/drugs/2/drug-179563/lurbinectedin-intravenous/details