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Efficacy and Safety of 2 Doses of AQX-1125 in Subjects With Interstitial Cystitis / Bladder Pain Syndrome

The LEADERSHIP 301 Trial: A 12-Week, Randomized, Multi-Center, Double-Blind, Placebo-Controlled, 3-Arm, Parallel-Group, Phase 3 Trial to Evaluate the Efficacy and Safety of 2 Doses of AQX-1125 Targeting the Src Homology 2-containing Inositol-5'-Phosphatase 1 (SHIP1) Pathway in Subjects With Interstitial Cystitis/Bladder Pain Syndrome Followed by an Extension Period

Status
UNKNOWN
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02858453
Acronym
LEADERSHIP 301
Enrollment
433
Registered
2016-08-08
Start date
2016-07-31
Completion date
2020-02-29
Last updated
2018-03-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Bladder Pain Syndrome, Chronic Interstitial Cystitis, Interstitial Cystitis, Painful Bladder Syndrome

Keywords

Interstitial cystitis, Bladder pain syndrome, Painful bladder syndrome, Interstitial Cystitis/Bladder Pain Syndrome (IC/BPS), AQX-1125, SHIP1, Chronic interstitial cystitis

Brief summary

This study evaluates the effects of two doses of oral AQX-1125 on bladder pain and other urinary symptoms in subjects with interstitial cystitis/bladder pain syndrome. Participants will receive either 100 mg AQX-1125, 200 mg AQX-1125 or placebo for the first 12 weeks of the study. After 12 weeks, all participants will receive either 100 mg or 200 mg AQX-1125 for 52 weeks.

Detailed description

This multi-center Phase 3 trial includes a randomized, double-blind, placebo-controlled, parallel-group, treatment phase to evaluate the efficacy and safety of 2 doses of oral AQX-1125 in up to 600 subjects with interstitial cystitis/bladder pain syndrome. The primary objective of this study is to evaluate the effect of 12 weeks of treatment of AQX-1125 (100 mg or 200 mg) administered once daily compared to placebo on the change from Baseline to Week 12 in maximum daily bladder pain using a standardized 11-point numerical rating scale pain score recorded daily by electronic diary (e-diary). The 12-week Treatment Period is followed by an Extension Period of 52 weeks. Randomization and start of dosing occurs at Baseline and is followed by visits at Week 6 and Week 12. At the end of Week 12, subjects will be randomized into the 52-week Extension Period. Subjects on active treatment during the Treatment Period will continue on that same dose for the Extension Period, while subjects receiving placebo during the Treatment Period will be randomized to one of the active doses of 100 mg or 200 mg AQX-1125 for 52 weeks.

Interventions

DRUGAQX-1125 100 mg

Synthetic SHIP1 activator

Synthetic SHIP1 activator

DRUGPlacebo

Appearance and weight matched placebo tablets

Sponsors

Aquinox Pharmaceuticals (Canada) Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 80 Years
Healthy volunteers
No

Inclusion criteria

* Be male or female, ≥18 and ≤80 years of age who have had symptoms of bladder pain in addition to urinary urgency and/or urinary frequency for more than 6 months * Have had a clinical diagnosis, or history consistent with the diagnosis, of interstitial cystitis/bladder pain syndrome for \>3 months but ≤20 years * Must be capable of voiding independently * Have undergone a cystoscopy within the last 36 months prior to Baseline * Women of child bearing potential must have a negative pregnancy test, be non-lactating and agree to avoid pregnancy and use a highly effective method of contraception with one additional barrier method of contraception from screening until at least 28 days after the last dose of study drug has been taken * Men must use a condom for sexual intercourse from screening until at least 90 days after last dose of study drug has been taken, unless they have been surgically sterilized (vasectomy)

Exclusion criteria

* Have had a urinary tract infection (UTI) including bacterial cystitis within the past 30 days * Microscopic hematuria that has not been adequately evaluated as per local standard of care * Have a history of chronic substance abuse, dependency or abuse of opiates, or other narcotics within the last 2 years * History of previous procedure(s) (augmentation cystoplasty, cystectomy, cytolysis, botulinum toxin or bladder catheterization) that has significantly affected bladder function * History of cyclophosphamide or chemical cystitis, urinary tuberculosis or radiation cystitis * Women: History of bladder tumors; uterine, cervical, vaginal or urethral cancer * Men: History of prostate surgery (transurethral resection of the prostate \[TURP\], transurethral resection tumor \[TURT\], transurethral incision of the prostate \[TUIP\], transurethral needle ablation \[TUNA\] etc.), a history of prostate cancer or currently being treated for chronic bacterial prostatitis * Major surgery within 3 months prior to Screening

Design outcomes

Primary

MeasureTime frameDescription
Change from Baseline in Maximum Daily Bladder Pain ScoreBaseline to 12 weeksChange from Baseline for AQX-1125 100 mg or 200 mg compared to placebo in the maximum daily bladder pain score based on a standardized 11-point numeric rating scale (NRS) recorded by electronic diary (e-diary)

Secondary

MeasureTime frameDescription
Change from Baseline in Voiding Frequency Measured Over a 24 hr PeriodBaseline to 12 weeksChange from Baseline for AQX-1125 100 mg or 200 mg compared to placebo in voiding frequency measured over a 24-hour period
Change from Baseline Interstitial Cystitis Symptom Index ScoreBaseline to 12 weeksChange from Baseline for AQX-1125 100 mg or 200 mg compared to placebo in Interstitial Cystitis Symptom Index Score
Change from Baseline in Bladder Pain/Interstitial Cystitis Symptom ScoreBaseline to 12 weeksChange from Baseline for AQX-1125 100 mg or 200 mg compared to placebo in Bladder Pain/Interstitial Cystitis Symptom Score
Change from Baseline in Subject's Global Response AssessmentBaseline to 12 weeksChange from Baseline for AQX-1125 100 mg or 200 mg compared to placebo in subject's Global Response Assessment

Other

MeasureTime frameDescription
Frequency and Severity of Adverse EventsBaseline to 12-weeks; during 52-week EP and baseline to 64-weeks, with a 4-week post-dose, and 6 month post-dose (ocular only), follow-upAdverse events and abnormal clinically significant vital signs, laboratory tests, electrocardiogram, weight, physical examination findings and ophthalmological examination findings

Countries

Belgium, Canada, Czechia, Denmark, Hungary, Latvia, Netherlands, Poland, Romania, Spain, United Kingdom, United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026