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The goal of this trial is that using tadalafil plus low-intensity extracorporeal shockwave therapy (li-ESWT) is more effective than using tadalafil alone in improving erection rigidity and sexual function. The efficacy of the combination of li-ESWT and tadalafil has been confirmed by a number of studies, including in patients after radical prostatectomy. However, this method is still not a "first-line" method in young primary patients and its benefits in combination with drugs for these patients are not obvious.
The investigators assume that the combination of tadalafil plus low-intensity extracorporeal shockwave therapy (li-ESWT) will improve the subjective state of patients assessed by points of validated questionnaires and Number of successful intercourse per week.
The aim of the study is to test the hypothesis that using tadalafil plus shockwave in primary patient with ED treatment in more effective in improving erection rigidity and sexual function, then using tadalafil alone.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Medication group | Active Comparator | PDE5 inhibitor tadalafil in dosage 5 mg daily by 1 month |
|
| Combination group | Experimental | PDE5 inhibitor tadalafil in dosage 5 mg daily by 1 month plus Device BTL-6000 fSWT: 6 sessions with EFD 0,09 mJ/mm2 by 5000 impulses per session in 5 points in corpora cavernosa penis |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| PDE5 inhibitor (tadalafil) and BTL-6000 fSWT | Combination Product | The mechanism of low-intensity shockwave therapy in patients with ED based on the effect on the endothelium of the cavernous arteries, the release of NO and the enhancement of vascularization due to release of angiogenic factors. |
| Measure | Description | Time Frame |
|---|---|---|
| IIEF-5 | IIEF-5 (International Index of Erectile Function-5) is validated erectile function assessment questionnaire. The possible scores for the IIEF-5 range from 5 to 25, with lower values representing poorer sexual function. | 60 days |
| Measure | Description | Time Frame |
|---|---|---|
| PGI-I | The Patient Global Imression of Improvement (PGI-I) is a global index that may be used to rate the response of a condition to a therapy. This is a transition scale that is a single question asking the patient to rate their urinary tract condition now, as compared with how it was prior to before beginning treatment on a scale from 1-Very much better to 7-Very much worse. | 14 days,30 days, 60days. |
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Inclusion Criteria:• Age 20 to 45;
Exclusion Criteria:
because the study examines the effects of PDE-5 inhibitors or fSWT on erectile function in men
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Ivan Labetov | Contact | 8(812)317-69-58 | ivanlabetov@gmail.com |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| SBPSU | Recruiting | Saint Petersburg | Russia |
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|
| PDE5 inhibitor (tadalafil) | Drug | Tadalafil improves erectile function by inhibiting PDE5 isoenzyme, thereby blocking cGMP degradation. As a result, the PDE5 inhibitors act synergistically with NO to markedly increase the levels of cGMP, which in the presence of sexual stimulation, lead to an erection. In the absence of sexual stimulation, NO is not released locally and the PDE5 inhibitors do not affect the penis. Thus, sexual stimulation is needed to initiate the erectile mechanism for the PDE5 inhibitors to take effect. |
|
| Likert scale (7-point preferably) satisfaction questionnaire | Likert Scale questions offer a range of answer options from either end of the spectrum for the respondents to choose from, where 1-extremely dissatisfied, 7- extremely satisfied | 14 days,30 days, 60days. |
| Therapy comfort survey | Modified scale indicating how comfort patients feel about therapy, where 1is totally uncomfortable, and 7 is very comfortable. | 14 days,30 days, 60days. |
| Number of successful intercourse per week | Number of successful intercourse per week | 14 days,30 days, 60days. |
| ID | Term |
|---|---|
| D007172 | Erectile Dysfunction |
| ID | Term |
|---|---|
| D005832 | Genital Diseases, Male |
| D000091662 | Genital Diseases |
| D000091642 | Urogenital Diseases |
| D012735 | Sexual Dysfunction, Physiological |
| D052801 | Male Urogenital Diseases |
| D020018 | Sexual Dysfunctions, Psychological |
| D001523 | Mental Disorders |
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| ID | Term |
|---|---|
| D058986 | Phosphodiesterase 5 Inhibitors |
| D000068581 | Tadalafil |
| ID | Term |
|---|---|
| D010726 | Phosphodiesterase Inhibitors |
| D004791 | Enzyme Inhibitors |
| D045504 | Molecular Mechanisms of Pharmacological Action |
| D020228 | Pharmacologic Actions |
| D020164 | Chemical Actions and Uses |
| D002243 | Carbolines |
| D011725 | Pyridines |
| D006573 | Heterocyclic Compounds, 1-Ring |
| D006571 | Heterocyclic Compounds |
| D026121 | Indole Alkaloids |
| D007211 | Indoles |
| D006574 | Heterocyclic Compounds, 2-Ring |
| D000072471 | Heterocyclic Compounds, Fused-Ring |
| D006575 | Heterocyclic Compounds, 3-Ring |
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