A Phase 2b, Open Label, Single-Arm, Multi-Center, Multiple Dose, 14-Day Study to Evaluate the Safety, Efficacy, and Frequency of Intravesical Administration of VNX001 in Acute Treatment of Subjects With Interstitial Cystitis/Bladder Pain Syndrome (IC/BPS) Who Have an Episode of Acute Bladder Pain of Moderate to Severe Intensity | Arctuva