Cranberry Powder for Overactive Bladder

Overseen by Elizabeth Mueller, MD

Age: 18+

Sex: Female

Travel: May Be Covered

Time Reimbursement: Varies

Trial Phase: Phase 4

Recruiting

Sponsor: Loyola University

Must not be taking: Warfarin, Anti-platelet agents

Disqualifiers: Urinary incontinence, UTI, Painful bladder, others

No Placebo Group

Prior Safety Data

Approved in 3 Jurisdictions

Trial Summary

What is the purpose of this trial?

The purpose of this study is to learn about how the use of 500 mg of dried cranberry powder extract (NDS-446) changes the bacteria that normal reside in the bladder of women who don't have urinary leakage problems but do have problems with urinary urgency and frequency.

Do I have to stop taking my current medications for the trial?

Yes, you may need to stop taking certain medications. The trial excludes participants who are currently on medications that affect detrusor activity, are taking Warfarin, or are on anti-platelet agents. Additionally, you cannot take more than 81 mg of aspirin daily.

What data supports the idea that Cranberry Powder for Overactive Bladder is an effective treatment?

The available research does not provide any data on the effectiveness of Cranberry Powder for Overactive Bladder. Instead, it discusses other treatments like capsaicin, solifenacin, and imidafenacin, which have shown effectiveness in reducing symptoms of overactive bladder. For example, capsaicin treatment reduced the need to urinate and improved bladder capacity, while solifenacin and imidafenacin also showed significant improvements in symptoms. However, there is no specific data on Cranberry Powder in the provided information. ^{1 2 3 4 5}

What safety data exists for cranberry powder used for overactive bladder?

The safety data for cranberry powder, including formulations like 500 mg NDS-446 and Dried Cranberry Powder Extract, indicates an optimal safety profile with no significant adverse events reported in studies. The European Food Safety Authority (EFSA) has evaluated cranberry extract powder as a novel food ingredient and found no safety concerns, concluding it is safe for use in foods at proposed levels. Additionally, a study on a standardized cranberry extract showed good tolerability with no drop-outs due to adverse effects. ^{6 7 8 9 10}

Is the treatment 500 mg NDS-446 cranberry powder promising for overactive bladder?

Yes, the treatment 500 mg NDS-446 cranberry powder is promising for overactive bladder. A study showed that daily intake of dried cranberry helped reduce symptoms in women with this condition. ^{6 7 11 12 13}

Research Team

Elizabeth Mueller, MD

Principal Investigator

Loyola Medical Center

Eligibility Criteria

This trial is for women over 18 with an overactive bladder (OAB) who have had symptoms like urinary urgency and frequency for more than six months. They must not have incontinence but do need to urinate often, more than eight times a day, and feel sudden urges to go. Women can't join if they've had lower urinary tract surgery recently, take certain medications like high-dose aspirin or Warfarin, have allergies to aspirin, trouble swallowing pills, frequent UTIs, painful bladder conditions or are on other OAB treatments.

Inclusion Criteria

I am a woman, 18 or older, and can walk.

I use the bathroom more than 8 times a day and feel a strong urge to urinate more than 3 times without leaking.

I have had overactive bladder symptoms for over 6 months.

Exclusion Criteria

I have had more than 3 UTIs in the past year.

I have experienced urinary incontinence more than 3 times last month.

I have been treated for overactive bladder in the last 60 days or am on medication affecting bladder control.

Trial Timeline

Screening

Participants are screened for eligibility to participate in the trial

2-4 weeks

Treatment

Participants receive 500 mg of NDS-446 daily to assess changes in urinary microbiome and symptoms of dry OAB

12 weeks

12 week visit

Follow-up

Participants are monitored for safety and effectiveness after treatment

4 weeks

Treatment Details

Interventions

• 500 mg NDS-446 (Other)

Trial Overview The study tests how a dried cranberry powder extract (500 mg NDS-446) affects the bladder's bacteria in women with dry OAB. It aims to see if this natural remedy changes the urinary microbiome after 12 weeks of use without causing leakage problems.

Participant Groups

Group I: Intervention Group Experimental Treatment 1 Intervention

All participants will receive 500 mg NDS-446 daily for 12 weeks

500 mg NDS-446 is already approved in Canada for the following indications:

Approved in Canada as Cranberry Powder for:

• Prevention of Urinary Tract Infections (UTIs)
• Urinary Urgency and Frequency

Who Is Running the Clinical Trial?

Loyola University

Lead Sponsor

Trials

161

Recruited

31,400+

Jerome D. Jabbour

Loyola University

Chief Executive Officer since 2018

B.A. in Psychology from Loyola University in Baltimore, Maryland

Dr. Chris Cabell

Loyola University

Chief Medical Officer since 2024

Medical Degree and Masters in Health Sciences from Duke University

Findings from Research

Imidafenacin 0.1 mg taken twice daily significantly reduced the number of daily micturitions and urge incontinence episodes in Taiwanese patients with overactive bladder after 12 weeks of treatment, compared to placebo.

The study, involving 118 patients, showed that while adverse events occurred in both groups, the safety profile of imidafenacin was acceptable, with common side effects including dry mouth and constipation.

NCBI (Pubmed)

pubmed.ncbi.nlm.nih.gov

A double-blind, randomized, placebo-controlled, parallel study to evaluate the efficacy and safety of imidafenacin in patients with overactive bladder in Taiwan. Chuang, YC., Lin, CC., Chow, PM., et al.[2021]

Capsaicin treatment significantly reduced voiding frequency and increased bladder capacity in patients with overactive and hypersensitive bladders, demonstrating its effectiveness as a therapeutic option.

The treatment was well-tolerated and cost-effective, as it can be produced locally in Thailand, making it an accessible alternative for managing bladder conditions.

NCBI (Pubmed)

pubmed.ncbi.nlm.nih.gov

The efficacy of Thai capsaicin in management of overactive bladder and hypersensitive bladder. Soontrapa, S., Ruksakul, W., Nonthasood, B., et al.[2013]

In a 12-week study involving 241 patients, solifenacin succinate significantly reduced overactive bladder symptoms, as measured by the overactive bladder symptom score (OABSS), with a mean reduction of 3.76 points (61.21% improvement).

The treatment was well-tolerated, with an overall adverse event rate of 19.91%, primarily gastrointestinal, indicating that solifenacin is an effective option for managing OAB symptoms while maintaining patient safety.

NCBI (Pubmed)

pubmed.ncbi.nlm.nih.gov

Overactive bladder symptom score to evaluate efficacy of solifenacin for the treatment of overactive bladder symptoms. Liu, M., Wang, J., Yang, Y., et al.[2015]

Solifenacin succinate, taken once daily, significantly reduces symptoms of overactive bladder (OAB) such as urgency and incontinence compared to placebo, based on pooled data from four phase III trials involving over 2800 patients.

The safety profile of solifenacin shows that adverse events are mostly mild-to-moderate, supporting its use as an effective treatment option for OAB.

NCBI (Pubmed)

pubmed.ncbi.nlm.nih.gov

Solifenacin significantly improves all symptoms of overactive bladder syndrome. Chapple, CR., Cardozo, L., Steers, WD., et al.[2022]

Imidafenacin significantly improved symptoms of overactive bladder in female patients with urge and mixed urinary incontinence, as measured by the overactive bladder symptom score (OABSS) and quality of life assessments over a 12-week period.

The treatment had a low incidence of adverse events at 7.9%, with none being serious, indicating that imidafenacin is a safe option for managing urinary incontinence.

NCBI (Pubmed)

pubmed.ncbi.nlm.nih.gov

[Efficacy and safety of imidafenacin in female patients with urge and mixed urinary incontinence]. Shimada, M., Inoue, K., Okumura, T., et al.[2012]

In a study of 98 women with overactive bladder, those taking 500 mg of dried cranberry powder daily showed significant reductions in daily urination and urgency episodes after 24 weeks, suggesting potential efficacy in managing symptoms.

Despite these promising results in the per protocol analysis, the intent-to-treat analysis did not show statistically significant differences between the cranberry and placebo groups, indicating the need for larger studies to confirm these findings.

NCBI (Pubmed)

pubmed.ncbi.nlm.nih.gov

Efficacy of Daily Intake of Dried Cranberry 500 mg in Women with Overactive Bladder: A Randomized, Double-Blind, Placebo Controlled Study. Cho, A., Eidelberg, A., Butler, DJ., et al.[2022]

In a study of 64 healthy subjects at risk for recurrent urinary tract infections (R-UTIs), oral supplementation with a standardized cranberry extract significantly reduced UTI symptoms and occurrences compared to standard management and nitrofurantoin over 4 weeks.

The cranberry extract demonstrated a strong safety profile, with no significant adverse events reported and no drop-outs, making it a promising option for preventing post-operative UTIs.

NCBI (Pubmed)

pubmed.ncbi.nlm.nih.gov

Anthocran® Phytosome®: Prevention of Recurring Urinary Infections and Symptoms after Catheterization. Cotellese, R., Ledda, A., Belcaro, G., et al.[2023]

Out of 24 dietary supplements claiming to contain cranberry, only 5 actually contained cranberry, highlighting significant issues with product labeling and quality control in the market.

Seventeen supplements failed to meet dosage uniformity standards, and 16 incorrectly reported the amount of proanthocyanidins (PACs), suggesting a need for stricter regulations and quality checks to ensure consumer safety.

NCBI (Pubmed)

pubmed.ncbi.nlm.nih.gov

Vaccinium macrocarpon (Cranberry)-Based Dietary Supplements: Variation in Mass Uniformity, Proanthocyanidin Dosage and Anthocyanin Profile Demonstrates Quality Control Standard Needed. Mannino, G., Di Stefano, V., Lauria, A., et al.[2021]

The concentrated cranberry liquid blend, UTI-STAT with Proantinox, was found to be safe and well-tolerated in a study of 28 women with recurrent urinary tract infections (rUTIs), with a maximum tolerated dose established at 75 mL per day and a recommended dose of 60 mL per day.

After 12 weeks of treatment, only 9.1% of participants reported a recurrence of rUTIs, which is significantly lower than historical rates, and there were notable improvements in quality of life related to physical health and reduced worry about rUTIs.

NCBI (Pubmed)

pubmed.ncbi.nlm.nih.gov

Novel concentrated cranberry liquid blend, UTI-STAT with Proantinox, might help prevent recurrent urinary tract infections in women. Efros, M., Bromberg, W., Cossu, L., et al.[2014]

The EFSA Panel concluded that cranberry extract powder, containing 55-60% proanthocyanidins (PACs), is safe for consumption as a novel food ingredient, based on its composition, production process, and human clinical studies.

The recommended intake of cranberry extract powder is 80 mg of PACs per serving, with average daily intakes estimated at 68 mg for women and 74 mg for men, which do not pose any nutritional disadvantages.

NCBI (Pubmed)

pubmed.ncbi.nlm.nih.gov

Safety of cranberry extract powder as a novel food ingredient pursuant to Regulation (EC) No 258/97. Turck, D., Bresson, JL., Burlingame, B., et al.[2023]

Cysticlean, which contains 118 mg of proanthocyanidins (PACs) from American cranberry, significantly inhibits the adherence of E. coli to bladder cells, with an 83% reduction observed in urine from rats taking the powder form and a 52% reduction from the tablet form.

The powder form of Cysticlean is more effective than the tablet form in preventing bacterial adherence, and both forms are well tolerated, making Cysticlean a recommended option for preventing urinary tract infections, especially in children.

NCBI (Pubmed)

pubmed.ncbi.nlm.nih.gov

Effect of american cranberry (Cysticlean) on Escherichia coli adherence to bladder epithelial cells. In vitro and in vivo study. Risco, E., Miguélez, C., Sanchez de Badajoz, E., et al.[2017]

In a pilot study involving 43 elderly men with benign prostatic hyperplasia, those who received a daily cranberry extract supplement experienced a significant reduction in urinary tract infection (UTI) episodes, from an average of 3.2 to 0.8 during a 2-month period.

The cranberry supplementation was found to be more effective than standard management alone in preventing recurrent UTIs, suggesting it could be a safe alternative to antibiotics for this population.

NCBI (Pubmed)

pubmed.ncbi.nlm.nih.gov

Supplementation with high titer cranberry extract (Anthocran®) for the prevention of recurrent urinary tract infections in elderly men suffering from moderate prostatic hyperplasia: a pilot study. Ledda, A., Belcaro, G., Dugall, M., et al.[2018]

In a pilot study of 44 patients with recurrent urinary tract infections (R-UTIs), those taking a standardized cranberry extract (Anthocran™) experienced a 73.3% reduction in UTI episodes over two months, compared to only 15.4% in the control group.

The cranberry group also had a higher rate of symptom-free individuals (31.8% vs. 0%) and shorter mean duration of UTI episodes (2.5 days vs. 3.6 days), with no reported adverse events, indicating both efficacy and safety of the cranberry extract.

NCBI (Pubmed)

pubmed.ncbi.nlm.nih.gov

Cranberry supplementation in the prevention of non-severe lower urinary tract infections: a pilot study. Ledda, A., Bottari, A., Luzzi, R., et al.[2018]

References

1. Australia pubmed.ncbi.nlm.nih.gov

A double-blind, randomized, placebo-controlled, parallel study to evaluate the efficacy and safety of imidafenacin in patients with overactive bladder in Taiwan. [2021]

2. Thailand pubmed.ncbi.nlm.nih.gov

The efficacy of Thai capsaicin in management of overactive bladder and hypersensitive bladder. [2013]

3. China pubmed.ncbi.nlm.nih.gov

Overactive bladder symptom score to evaluate efficacy of solifenacin for the treatment of overactive bladder symptoms. [2015]

4. India pubmed.ncbi.nlm.nih.gov

Solifenacin significantly improves all symptoms of overactive bladder syndrome. [2022]

5. Japan pubmed.ncbi.nlm.nih.gov

[Efficacy and safety of imidafenacin in female patients with urge and mixed urinary incontinence]. [2012]

6. United States pubmed.ncbi.nlm.nih.gov

Efficacy of Daily Intake of Dried Cranberry 500 mg in Women with Overactive Bladder: A Randomized, Double-Blind, Placebo Controlled Study. [2022]

7. England pubmed.ncbi.nlm.nih.gov

Anthocran® Phytosome®: Prevention of Recurring Urinary Infections and Symptoms after Catheterization. [2023]

8. Switzerland pubmed.ncbi.nlm.nih.gov

Vaccinium macrocarpon (Cranberry)-Based Dietary Supplements: Variation in Mass Uniformity, Proanthocyanidin Dosage and Anthocyanin Profile Demonstrates Quality Control Standard Needed. [2021]

9. United States pubmed.ncbi.nlm.nih.gov

Novel concentrated cranberry liquid blend, UTI-STAT with Proantinox, might help prevent recurrent urinary tract infections in women. [2014]

10. United States pubmed.ncbi.nlm.nih.gov

Safety of cranberry extract powder as a novel food ingredient pursuant to Regulation (EC) No 258/97. [2023]

11. Spain pubmed.ncbi.nlm.nih.gov

Effect of american cranberry (Cysticlean) on Escherichia coli adherence to bladder epithelial cells. In vitro and in vivo study. [2017]

12. Italy pubmed.ncbi.nlm.nih.gov

Supplementation with high titer cranberry extract (Anthocran®) for the prevention of recurrent urinary tract infections in elderly men suffering from moderate prostatic hyperplasia: a pilot study. [2018]

13. Italy pubmed.ncbi.nlm.nih.gov

Cranberry supplementation in the prevention of non-severe lower urinary tract infections: a pilot study. [2018]