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Ureteric stents are used often following ureteroscopy for prevention of obstruction from edema and or stone fragments. They are often associated with pain, voiding often, the need to urinate quickly and finding blood in the urine called "lower urinary tract symptoms" or LUTS for short. There is randomized studies showing the efficacy of α-blockers such as tamsulosin in relieving "stent symptoms" (pain and LUTS). There is emerging but limited evidence to show that antimuscarinic medications, used to treat overactive bladder (OAB) have some efficacy in decreasing stent symptoms. Mirabegron is a beta-agonist used to decrease OAB symptoms.
Mirabegron functions to mediate relaxation of the detrusor muscle and has been useful in treating OAB symptoms. Conventional antimuscarinic medications often have bothersome side effects like dry mouth, constipation, blurred vision and cognitive impairment. This may limit their use in some populations. Mirabegron is well-tolerated with a good safety profile and therefore may be useful in treating stent symptoms without the bothersome side effects commonly seen with antimuscarinic medications. .
The investigators hypothesize that mirabegron is effective in decreasing ureteral stent related LUTS and pain.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Narcotic analegesic only | Active Comparator | Drug: Tylenol #3 1 tablet every six hours as necessary |
|
| Mirabegron and narcotic analgesia | Active Comparator | Drug : Mirabegron 50 mg oral daily Drug: Tylenol #3 1 tablet every six hours as necessary |
|
| Tamsulosin and narcotic analgesia | Active Comparator | Drug: Tamsulosin 0.4mg oral daily Drug: Tylenol #3 1 tablet every six hours as necessary |
|
| Mirabegron, Tamsulosin and narcotic | Experimental | Drug: Mirabegron 50 mg oral daily Drug: Tamsulosin 0.4mg oral daily Drug: Tylenol #3 1 tablet every six hours as necessary |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Mirabegron | Drug | 50 mg of Mirabegron daily from stent insertion until removal 5 to 10 days |
|
| Measure | Description | Time Frame |
|---|---|---|
| Ureteral stent related pain and lower urinary tract symptoms (LUTS) as measured by the Ureteral Stent Symptom Questionnaire. | The primary objective of this study is to determine if mirabegron is effective in decreasing ureteral stent related lower urinary tract symptoms (LUTS) following ureteroscopy for urolithiasis when compared to tamsulosin alone and in combination. Utilizing the Ureteral Stent Symptom Questionnaire, a self-administered questionnaire participants will report their urinary symptoms for comparison, enabling the comparison through out the different treatment arms. | Measured twice, once at the time of surgery when stent is inserted and secondly at the time the stent is removed which will occur 5 to 10 days following surgery. |
| Measure | Description | Time Frame |
|---|---|---|
| Quality of life impact of mirabegron for stent symptoms as measured with the Ureteral Stent Symptoms Questionnaire. | The secondary objectives are to determine if mirabegron is effective in decreasing ureteral stent related pain compared to tamsulosin alone and in combination following ureteroscopy for urolithiasis, determining if there are any improvements in health related quality of life (HRQoL). Subjects will maintain a diary recording the frequency of pain medication through out the period the stent remains insitu, 5 to 10 days. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Andrea G Lantz, MD | Staff Urologist | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Nova Scotia Health Authority, Central | Halifax | Nova Scotia | B3H 2Y9 | Canada |
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| ID | Term |
|---|---|
| D053040 | Nephrolithiasis |
| D059411 | Lower Urinary Tract Symptoms |
| ID | Term |
|---|---|
| D007674 | Kidney Diseases |
| D014570 | Urologic Diseases |
| D052776 | Female Urogenital Diseases |
| D005261 | Female Urogenital Diseases and Pregnancy Complications |
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| ID | Term |
|---|---|
| C520025 | mirabegron |
| D000077409 | Tamsulosin |
| D000082 | Acetaminophen |
| ID | Term |
|---|---|
| D000096926 | Benzenesulfonamides |
| D013449 | Sulfonamides |
| D000577 | Amides |
| D009930 | Organic Chemicals |
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|
| Tamsulosin | Drug | 0.4 mg of Tamsulosin daily and 1 tab of Percocet every 4 hours as necessary from stent insertion until removal 5 to 10 days |
|
|
| Tylenol #3 | Drug | 1 tab of Tylenol #3 every 6 hours as necessary from stent insertion until removal 5 to 10 days |
|
|
| Measured twice, once at the time of surgery when stent is inserted and secondly at the time the stent is removed occuring 5 to 10 days later. |
| D000091642 | Urogenital Diseases |
| D052878 | Urolithiasis |
| D052801 | Male Urogenital Diseases |
| D020924 | Urological Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D001555 |
| Benzene Derivatives |
| D006841 | Hydrocarbons, Aromatic |
| D006844 | Hydrocarbons, Cyclic |
| D006838 | Hydrocarbons |
| D013450 | Sulfones |
| D013457 | Sulfur Compounds |
| D000083 | Acetanilides |
| D000813 | Anilides |
| D000814 | Aniline Compounds |
| D000588 | Amines |