Safety Study of hMaxi-K Gene Transfer to Treat Overactive Bladder Syndrome and Detrusor Overactivity
| Status: | Completed |
|---|---|
| Conditions: | Overactive Bladder |
| Therapuetic Areas: | Gastroenterology |
| Healthy: | No |
| Age Range: | 18 - Any |
| Updated: | 10/14/2017 |
| Start Date: | April 2007 |
| End Date: | November 2009 |
A Phase 1 Multicenter Study of Three Escalating Doses of hMaxi-K Gene Transfer in Female Participants With Overactive Bladder Syndrome and Detrusor Overactivity
The purpose of this study is to evaluate the safety of a new product that uses human gene
transfer (called hMaxi-K) when it is given to patients with overactive bladder. Human gene
transfer is a new type of therapy that is the process of placing genetic material (DNA or
RNA) into a person. The primary objective of this study is to evaluate safety parameters
occurring subsequent to administration of a single intravesical instillation of study drug.
Three different dose groups of hMaxi-K will be tested in this study consisting of 5000,
10,000 and 15,000 micrograms. hMaxi-K will be given as a single administration into the
bladder through a catheter. Each women's participation in the study will last for up to 24
weeks (followed by an additional 18 month follow-up period).
transfer (called hMaxi-K) when it is given to patients with overactive bladder. Human gene
transfer is a new type of therapy that is the process of placing genetic material (DNA or
RNA) into a person. The primary objective of this study is to evaluate safety parameters
occurring subsequent to administration of a single intravesical instillation of study drug.
Three different dose groups of hMaxi-K will be tested in this study consisting of 5000,
10,000 and 15,000 micrograms. hMaxi-K will be given as a single administration into the
bladder through a catheter. Each women's participation in the study will last for up to 24
weeks (followed by an additional 18 month follow-up period).
The safety parameters to be monitored include: adverse events, clinical laboratory tests,
electrocardiograms, physical examinations.
The secondary objectives is to evaluate efficacy of a single intravesical instillation of
hMaxi-K compared to the control group. Efficacy parameters that will be evaluated are: mean
number of micturitions per 24 hours, mean number of urge incontinence episodes per 24 hours,
mean number of urgency episodes per 24 hours, overall maximum bladder capacity, number of
uninhibited contractions during the cystometry procedure, participant rating of urgency
score, participant rating of perceived bladder condition severity, participant assessment of
response to treatment, participant rating of Quality of Life (Kings Health Questionnaire),
SF-12 Health Survey, International consultation on incontinence questionnaire, weight
measurement of accidental bladder leaks.
electrocardiograms, physical examinations.
The secondary objectives is to evaluate efficacy of a single intravesical instillation of
hMaxi-K compared to the control group. Efficacy parameters that will be evaluated are: mean
number of micturitions per 24 hours, mean number of urge incontinence episodes per 24 hours,
mean number of urgency episodes per 24 hours, overall maximum bladder capacity, number of
uninhibited contractions during the cystometry procedure, participant rating of urgency
score, participant rating of perceived bladder condition severity, participant assessment of
response to treatment, participant rating of Quality of Life (Kings Health Questionnaire),
SF-12 Health Survey, International consultation on incontinence questionnaire, weight
measurement of accidental bladder leaks.
Inclusion Criteria:
- Healthy women of 18 years of age or older and non-childbearing potential
- clinical symptoms of overactive bladder for 6 months or longer including at least one
of the following:
1. frequent urination (that is, having to go to the bathroom 8 or more times per
day)
2. symptoms of urinary urgency, which is experiencing a sudden need to pass urine
that is difficult to hold back; or the complaint of waking at night two ore more
times to urinate
3. urge urinary incontinence which is that complaint of leakage of urine that cannot
be stopped accompanied by or immediately preceded by urgency 5 or more times per
week.
- Non-response or poor tolerance to previous treatment for symptoms of overactive
bladder and do not wish to continue with that treatment.
Exclusion Criteria:
- A woman with a positive serum (HCG) pregnancy test or lactating
- History of three or more culture documented recurrent urinary tract infections per
year
- Current history or previous diagnosis of painful bladder syndrome (interstitial
cystitis) with pain in the region of the pelvis, perineum, or lower abdomen relieved
by voiding
- A life expectancy of less than 12 months
- Current history of Grade 2 or greater cystocele
- An indwelling urethral catheter or need for clean intermittent self- catheterization
- Recent heart attack
- Uncontrolled diabetes
- Latex allergy
- Stress urinary incontinence as determined by observation of the participant coughing
while standing with a full bladder and/or response of 2 or 3 on the following Stress
Urinary Incontinence question: Do you experience leakage when laughing, coughing,
lifting heavy objects or other types of discreet, moderately intense activities?
0=NONE: No leakage 1=MILD: Minimal leakage on rare occasions during these types of
activities; easily tolerated; do not use pads for this 2=MODERATE: Enough leakage that
it requires occasional use of pads and may interfere with usual activity & tasks
3=SEVERE: Extreme leakage and discomfort that stops all activity &/tasks and requires
use of pads on all occasions
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