Safety and Efficacy Study of VNX001 Compared to Its Individual Components (Lidocaine and Heparin) or Placebo in Subjects With IC/BPS

Inclusion Criteria: Be able and willing to give a signed informed consent and to follow study instructions Be male or female, ≥ 18 years of age Have moderate-to-severe symptoms of bladder pain of bladder origin for at least 9 months prior to the study May or may not have received a cystoscopy in association with their diagnosis of interstitial cystitis/bladder pain syndrome prior to or at time of screening Have a score of ≥ 16 and ≤ 30 on the Pelvic Pain and Urgency/Frequency (PUF) questionnaire, completed at screening Have moderate to severe pain: a minimum score of 5 is required on the 11-point bladder pain NRS at time of screening and 15 minutes post void immediately prior to study drug administration. Have previously received with positive response, therapeutic intravesicular anesthetic treatments according to medication history Exclusion Criteria: For females, have a positive pregnancy test at screening or be pregnant or lactating Males who are sexually active with females and are not willing to commit to an acceptable method of birth control for the duration of the Postmenopausal women who, if taking hormone replacement therapy, have not been stabilized on a regimen of hormone replacement therapy within 3 months of screening Have a known hypersensitivity to heparin or lidocaine Have used any local anesthetic by any route within 48-hours prior to study drug administration, or used a lidocaine patch or lidocaine containing topical compounds within 14 days prior to study drug administration Have used a tricyclic antidepressant, or a gamma-aminobutyric acid (GABA) analogue (gabapentin or pregabalin), unless taking a stable dose of the medication for ≥ 3 weeks. The stable dose of gabapentin may not exceed 1,200 mg per day, and the stable dose of pregabalin may not exceed 150 mg per day Have used any pain medication within 6 hours prior to study drug administration Have used narcotics or medical marijuana ≤ 3 weeks prior to study entry Have used prohibited drugs as determined by self-report, positive urine drug screen, or in the opinion of the investigator be under the influence of drugs affecting mentation precluding their ability to follow the study protocol or bias study results Have a known abnormal laboratory test value that, in the investigator's judgement, is clinically significant. Have a neurogenic bladder or other disorder that, in the opinion of the investigator, may cause neurogenic bladder (including Parkinson's disease, multiple sclerosis, epilepsy, myasthenia gravis, movement disorders, spinal cord damage) Have pain or a pain disorder that, in the opinion of the investigator, would make it difficult to discriminate pelvic pain of bladder origin from the other pain Have any of the following central nervous system (CNS) conditions that in the opinion of the investigator would impact the subject's study participation due to their ability to follow the study protocol or bias study results, severe diagnosed: major depressive disorder, bipolar disorder, schizophrenia, general anxiety disorder, attention deficit disorder, obsessive compulsive disorder, or other major central nervous system disorder Have history of arrhythmias, conduction disturbances, or cardiac disease, or any coexisting medical condition that, in the opinion of the investigator, may be significant or interfere with study procedures or interpretation of study results Had bladder instillation therapy within 7 days prior to study entry or had a prior bladder instillation with heparin and lidocaine and did not respond Had an in-office cystoscopy within 7 days of study drug administration Had dilatation (hydrodistension) of bladder within 3 months of study entry Evidence or suspected presence of cancer detected during cystoscopy 7 days prior to or at time of initial screening (cystoscopy is not required for entry into the study) Has received any investigational drug or device within 30 days prior to screening Is currently enrolled in another investigational drug or device study Is unwilling or unable to abide by the requirements of the study Have an actively bleeding lesion or area in the bladder as detected by dipstick urinalysis and investigator assessment, immediately prior to randomization Are taking any of the following medications, which are inducers of CYP1A2 and/or CYP3A4: Phenytoin, Carbamazepine, St. John's Wort, Phenobarbital, Rifampin Have had any of the following: Bacterial cystitis within 30 days as demonstrated by a positive urine culture (≥ 105 bacteria per mL) History of pelvic irradiation or radiation cystitis History or presence of uterine, cervical, pelvic, rectal, ovarian, or vaginal cancer History of benign or malignant bladder tumors Current chemotherapy History or presence of tuberculous cystitis History or presence of chemical cystitis, including that due to cyclophosphamide History or presence of urinary schistosomiasis Bladder or ureteral calculi Clinically significant infectious vaginitis Currently uncontrolled genital herpes History or presence of urethral diverticulum Presence of bladder fistulae History of ketamine use