1.Factors Influencing Continued Usage of Intracavernosal Injections for Erectile Dysfunction:A Retrospective Analysis
Braian Rene LEDESMA ; Jason CODRINGTON ; David VELASQUEZ ; Alexandra Aponte VARNUM ; Joshua WHITE ; Greeshma VENIGALLA ; Farah RAHMAN ; Katherine CAMPBELL ; Alexander WEBER ; Max SANDLER ; Ranjith RAMASAMY
The World Journal of Men's Health 2025;43(2):407-414
Purpose:
Intracavernosal injections are used to treat erectile dysfunction. Patient compliance with intracavernosal injections is required for success, though factors influencing compliance are unknown. This study aimed to identify factors that influence compliance with intracavernosal injections among men with erectile dysfunction.
Materials and Methods:
A retrospective analysis was conducted using men who were prescribed intracavernosal injections between 2017 and 2022 at an academic medical center in a cosmopolitan area. Custom Python code was used to capture the first and last prescription refill events, and the duration of intracavernosal injection use was calculated. Additional patient-related data, including demographics and comorbidities, were gathered through chart reviews. Cox Proportional Hazards Regression models were used to evaluate the effects of predictor variables on the duration of intracavernosal injection use.
Results:
A total of 4,072 patients were included in the analysis. The study revealed that age significantly predicted discontinuation of intracavernosal injection therapy, showing an elevated hazard ratio of 1.007 for each additional year of age (p<0.001). Men who preferred to speak Spanish as their primary language was a significant predictor of discontinuation of injection therapy, showing a hazard ratio of 1.163 compared to those who preferred English (p=0.004). Men with a history of prostate cancer treatment stayed on treatment for 80 days fewer on average than those without (p=0.002).
Conclusions
Older age, prior history of prostate cancer treatment, and men who preferred to speak Spanish were all identified as factors potentially associated with reduced continuation of intracavernosal injection therapy for erectile dysfunction. Understanding these factors can help healthcare providers in both patient selection and counseling when discussing treatment options for erectile dysfunction.
2.Antioxidant Supplementation for Erectile Dysfunction: Systematic Review and Meta-Analysis of Double-Blind, Randomized, Placebo-Controlled Trials
Ranjith RAMASAMY ; Samir BHATTACHARYYA ; Taylor P. KOHN ; Larry E. MILLER
The World Journal of Men's Health 2025;43(1):81-91
Purpose:
This meta-analysis aimed to determine the efficacy and safety of antioxidant supplementation for treating erectile dysfunction (ED).
Materials and Methods:
We systematically searched MEDLINE, Embase, and the Cochrane Library for double-blind, randomized, placebo-controlled trials of oral antioxidant supplementation in men with ED. Erectile function was assessed by the International Index of Erectile Function-Erectile Function domain (IIEF-EF) score. Using random-effects meta-analysis models, antioxidant and placebo groups were compared for erectile function using the mean difference in IIEF-EF score adjusted to a 6–30 scale and for side effects using the log risk ratio.
Results:
The review included 23 trials of 1,583 men (median age 51 years) treated with antioxidant supplementation or placebo for a median of 12 weeks (range, 4 weeks to 6 months). Antioxidant supplementation significantly improved erectile function compared to placebo, with a mean difference of 5.5 points (95% confidence interval [CI]: 3.7 to 7.3; p<0.001) on the IIEF-EF. In meta-regression, the treatment benefit was greater in men with more severe ED (p<0.001). Side effects were uncommon, none were serious, and the frequency was comparable between antioxidant (3.8%) and placebo (2.1%) groups (log risk ratio=0.36; 95% CI: -0.24 to 0.97; p=0.24).
Conclusions
Antioxidant supplementation appears safe and significantly improves erectile function in men with ED, particularly those with more severe symptoms. Limitations of this review included unknown long-term efficacy and safety and the inability to make specific product and dosing recommendations due to the variety of antioxidants and regimens studied.
3.Factors Influencing Continued Usage of Intracavernosal Injections for Erectile Dysfunction:A Retrospective Analysis
Braian Rene LEDESMA ; Jason CODRINGTON ; David VELASQUEZ ; Alexandra Aponte VARNUM ; Joshua WHITE ; Greeshma VENIGALLA ; Farah RAHMAN ; Katherine CAMPBELL ; Alexander WEBER ; Max SANDLER ; Ranjith RAMASAMY
The World Journal of Men's Health 2025;43(2):407-414
Purpose:
Intracavernosal injections are used to treat erectile dysfunction. Patient compliance with intracavernosal injections is required for success, though factors influencing compliance are unknown. This study aimed to identify factors that influence compliance with intracavernosal injections among men with erectile dysfunction.
Materials and Methods:
A retrospective analysis was conducted using men who were prescribed intracavernosal injections between 2017 and 2022 at an academic medical center in a cosmopolitan area. Custom Python code was used to capture the first and last prescription refill events, and the duration of intracavernosal injection use was calculated. Additional patient-related data, including demographics and comorbidities, were gathered through chart reviews. Cox Proportional Hazards Regression models were used to evaluate the effects of predictor variables on the duration of intracavernosal injection use.
Results:
A total of 4,072 patients were included in the analysis. The study revealed that age significantly predicted discontinuation of intracavernosal injection therapy, showing an elevated hazard ratio of 1.007 for each additional year of age (p<0.001). Men who preferred to speak Spanish as their primary language was a significant predictor of discontinuation of injection therapy, showing a hazard ratio of 1.163 compared to those who preferred English (p=0.004). Men with a history of prostate cancer treatment stayed on treatment for 80 days fewer on average than those without (p=0.002).
Conclusions
Older age, prior history of prostate cancer treatment, and men who preferred to speak Spanish were all identified as factors potentially associated with reduced continuation of intracavernosal injection therapy for erectile dysfunction. Understanding these factors can help healthcare providers in both patient selection and counseling when discussing treatment options for erectile dysfunction.
4.Antioxidant Supplementation for Erectile Dysfunction: Systematic Review and Meta-Analysis of Double-Blind, Randomized, Placebo-Controlled Trials
Ranjith RAMASAMY ; Samir BHATTACHARYYA ; Taylor P. KOHN ; Larry E. MILLER
The World Journal of Men's Health 2025;43(1):81-91
Purpose:
This meta-analysis aimed to determine the efficacy and safety of antioxidant supplementation for treating erectile dysfunction (ED).
Materials and Methods:
We systematically searched MEDLINE, Embase, and the Cochrane Library for double-blind, randomized, placebo-controlled trials of oral antioxidant supplementation in men with ED. Erectile function was assessed by the International Index of Erectile Function-Erectile Function domain (IIEF-EF) score. Using random-effects meta-analysis models, antioxidant and placebo groups were compared for erectile function using the mean difference in IIEF-EF score adjusted to a 6–30 scale and for side effects using the log risk ratio.
Results:
The review included 23 trials of 1,583 men (median age 51 years) treated with antioxidant supplementation or placebo for a median of 12 weeks (range, 4 weeks to 6 months). Antioxidant supplementation significantly improved erectile function compared to placebo, with a mean difference of 5.5 points (95% confidence interval [CI]: 3.7 to 7.3; p<0.001) on the IIEF-EF. In meta-regression, the treatment benefit was greater in men with more severe ED (p<0.001). Side effects were uncommon, none were serious, and the frequency was comparable between antioxidant (3.8%) and placebo (2.1%) groups (log risk ratio=0.36; 95% CI: -0.24 to 0.97; p=0.24).
Conclusions
Antioxidant supplementation appears safe and significantly improves erectile function in men with ED, particularly those with more severe symptoms. Limitations of this review included unknown long-term efficacy and safety and the inability to make specific product and dosing recommendations due to the variety of antioxidants and regimens studied.
5.Factors Influencing Continued Usage of Intracavernosal Injections for Erectile Dysfunction:A Retrospective Analysis
Braian Rene LEDESMA ; Jason CODRINGTON ; David VELASQUEZ ; Alexandra Aponte VARNUM ; Joshua WHITE ; Greeshma VENIGALLA ; Farah RAHMAN ; Katherine CAMPBELL ; Alexander WEBER ; Max SANDLER ; Ranjith RAMASAMY
The World Journal of Men's Health 2025;43(2):407-414
Purpose:
Intracavernosal injections are used to treat erectile dysfunction. Patient compliance with intracavernosal injections is required for success, though factors influencing compliance are unknown. This study aimed to identify factors that influence compliance with intracavernosal injections among men with erectile dysfunction.
Materials and Methods:
A retrospective analysis was conducted using men who were prescribed intracavernosal injections between 2017 and 2022 at an academic medical center in a cosmopolitan area. Custom Python code was used to capture the first and last prescription refill events, and the duration of intracavernosal injection use was calculated. Additional patient-related data, including demographics and comorbidities, were gathered through chart reviews. Cox Proportional Hazards Regression models were used to evaluate the effects of predictor variables on the duration of intracavernosal injection use.
Results:
A total of 4,072 patients were included in the analysis. The study revealed that age significantly predicted discontinuation of intracavernosal injection therapy, showing an elevated hazard ratio of 1.007 for each additional year of age (p<0.001). Men who preferred to speak Spanish as their primary language was a significant predictor of discontinuation of injection therapy, showing a hazard ratio of 1.163 compared to those who preferred English (p=0.004). Men with a history of prostate cancer treatment stayed on treatment for 80 days fewer on average than those without (p=0.002).
Conclusions
Older age, prior history of prostate cancer treatment, and men who preferred to speak Spanish were all identified as factors potentially associated with reduced continuation of intracavernosal injection therapy for erectile dysfunction. Understanding these factors can help healthcare providers in both patient selection and counseling when discussing treatment options for erectile dysfunction.
6.Antioxidant Supplementation for Erectile Dysfunction: Systematic Review and Meta-Analysis of Double-Blind, Randomized, Placebo-Controlled Trials
Ranjith RAMASAMY ; Samir BHATTACHARYYA ; Taylor P. KOHN ; Larry E. MILLER
The World Journal of Men's Health 2025;43(1):81-91
Purpose:
This meta-analysis aimed to determine the efficacy and safety of antioxidant supplementation for treating erectile dysfunction (ED).
Materials and Methods:
We systematically searched MEDLINE, Embase, and the Cochrane Library for double-blind, randomized, placebo-controlled trials of oral antioxidant supplementation in men with ED. Erectile function was assessed by the International Index of Erectile Function-Erectile Function domain (IIEF-EF) score. Using random-effects meta-analysis models, antioxidant and placebo groups were compared for erectile function using the mean difference in IIEF-EF score adjusted to a 6–30 scale and for side effects using the log risk ratio.
Results:
The review included 23 trials of 1,583 men (median age 51 years) treated with antioxidant supplementation or placebo for a median of 12 weeks (range, 4 weeks to 6 months). Antioxidant supplementation significantly improved erectile function compared to placebo, with a mean difference of 5.5 points (95% confidence interval [CI]: 3.7 to 7.3; p<0.001) on the IIEF-EF. In meta-regression, the treatment benefit was greater in men with more severe ED (p<0.001). Side effects were uncommon, none were serious, and the frequency was comparable between antioxidant (3.8%) and placebo (2.1%) groups (log risk ratio=0.36; 95% CI: -0.24 to 0.97; p=0.24).
Conclusions
Antioxidant supplementation appears safe and significantly improves erectile function in men with ED, particularly those with more severe symptoms. Limitations of this review included unknown long-term efficacy and safety and the inability to make specific product and dosing recommendations due to the variety of antioxidants and regimens studied.
7.Factors Influencing Continued Usage of Intracavernosal Injections for Erectile Dysfunction:A Retrospective Analysis
Braian Rene LEDESMA ; Jason CODRINGTON ; David VELASQUEZ ; Alexandra Aponte VARNUM ; Joshua WHITE ; Greeshma VENIGALLA ; Farah RAHMAN ; Katherine CAMPBELL ; Alexander WEBER ; Max SANDLER ; Ranjith RAMASAMY
The World Journal of Men's Health 2025;43(2):407-414
Purpose:
Intracavernosal injections are used to treat erectile dysfunction. Patient compliance with intracavernosal injections is required for success, though factors influencing compliance are unknown. This study aimed to identify factors that influence compliance with intracavernosal injections among men with erectile dysfunction.
Materials and Methods:
A retrospective analysis was conducted using men who were prescribed intracavernosal injections between 2017 and 2022 at an academic medical center in a cosmopolitan area. Custom Python code was used to capture the first and last prescription refill events, and the duration of intracavernosal injection use was calculated. Additional patient-related data, including demographics and comorbidities, were gathered through chart reviews. Cox Proportional Hazards Regression models were used to evaluate the effects of predictor variables on the duration of intracavernosal injection use.
Results:
A total of 4,072 patients were included in the analysis. The study revealed that age significantly predicted discontinuation of intracavernosal injection therapy, showing an elevated hazard ratio of 1.007 for each additional year of age (p<0.001). Men who preferred to speak Spanish as their primary language was a significant predictor of discontinuation of injection therapy, showing a hazard ratio of 1.163 compared to those who preferred English (p=0.004). Men with a history of prostate cancer treatment stayed on treatment for 80 days fewer on average than those without (p=0.002).
Conclusions
Older age, prior history of prostate cancer treatment, and men who preferred to speak Spanish were all identified as factors potentially associated with reduced continuation of intracavernosal injection therapy for erectile dysfunction. Understanding these factors can help healthcare providers in both patient selection and counseling when discussing treatment options for erectile dysfunction.
8.Antioxidant Supplementation for Erectile Dysfunction: Systematic Review and Meta-Analysis of Double-Blind, Randomized, Placebo-Controlled Trials
Ranjith RAMASAMY ; Samir BHATTACHARYYA ; Taylor P. KOHN ; Larry E. MILLER
The World Journal of Men's Health 2025;43(1):81-91
Purpose:
This meta-analysis aimed to determine the efficacy and safety of antioxidant supplementation for treating erectile dysfunction (ED).
Materials and Methods:
We systematically searched MEDLINE, Embase, and the Cochrane Library for double-blind, randomized, placebo-controlled trials of oral antioxidant supplementation in men with ED. Erectile function was assessed by the International Index of Erectile Function-Erectile Function domain (IIEF-EF) score. Using random-effects meta-analysis models, antioxidant and placebo groups were compared for erectile function using the mean difference in IIEF-EF score adjusted to a 6–30 scale and for side effects using the log risk ratio.
Results:
The review included 23 trials of 1,583 men (median age 51 years) treated with antioxidant supplementation or placebo for a median of 12 weeks (range, 4 weeks to 6 months). Antioxidant supplementation significantly improved erectile function compared to placebo, with a mean difference of 5.5 points (95% confidence interval [CI]: 3.7 to 7.3; p<0.001) on the IIEF-EF. In meta-regression, the treatment benefit was greater in men with more severe ED (p<0.001). Side effects were uncommon, none were serious, and the frequency was comparable between antioxidant (3.8%) and placebo (2.1%) groups (log risk ratio=0.36; 95% CI: -0.24 to 0.97; p=0.24).
Conclusions
Antioxidant supplementation appears safe and significantly improves erectile function in men with ED, particularly those with more severe symptoms. Limitations of this review included unknown long-term efficacy and safety and the inability to make specific product and dosing recommendations due to the variety of antioxidants and regimens studied.
9.Factors Influencing Continued Usage of Intracavernosal Injections for Erectile Dysfunction:A Retrospective Analysis
Braian Rene LEDESMA ; Jason CODRINGTON ; David VELASQUEZ ; Alexandra Aponte VARNUM ; Joshua WHITE ; Greeshma VENIGALLA ; Farah RAHMAN ; Katherine CAMPBELL ; Alexander WEBER ; Max SANDLER ; Ranjith RAMASAMY
The World Journal of Men's Health 2025;43(2):407-414
Purpose:
Intracavernosal injections are used to treat erectile dysfunction. Patient compliance with intracavernosal injections is required for success, though factors influencing compliance are unknown. This study aimed to identify factors that influence compliance with intracavernosal injections among men with erectile dysfunction.
Materials and Methods:
A retrospective analysis was conducted using men who were prescribed intracavernosal injections between 2017 and 2022 at an academic medical center in a cosmopolitan area. Custom Python code was used to capture the first and last prescription refill events, and the duration of intracavernosal injection use was calculated. Additional patient-related data, including demographics and comorbidities, were gathered through chart reviews. Cox Proportional Hazards Regression models were used to evaluate the effects of predictor variables on the duration of intracavernosal injection use.
Results:
A total of 4,072 patients were included in the analysis. The study revealed that age significantly predicted discontinuation of intracavernosal injection therapy, showing an elevated hazard ratio of 1.007 for each additional year of age (p<0.001). Men who preferred to speak Spanish as their primary language was a significant predictor of discontinuation of injection therapy, showing a hazard ratio of 1.163 compared to those who preferred English (p=0.004). Men with a history of prostate cancer treatment stayed on treatment for 80 days fewer on average than those without (p=0.002).
Conclusions
Older age, prior history of prostate cancer treatment, and men who preferred to speak Spanish were all identified as factors potentially associated with reduced continuation of intracavernosal injection therapy for erectile dysfunction. Understanding these factors can help healthcare providers in both patient selection and counseling when discussing treatment options for erectile dysfunction.
10.Antioxidant Supplementation for Erectile Dysfunction: Systematic Review and Meta-Analysis of Double-Blind, Randomized, Placebo-Controlled Trials
Ranjith RAMASAMY ; Samir BHATTACHARYYA ; Taylor P. KOHN ; Larry E. MILLER
The World Journal of Men's Health 2025;43(1):81-91
Purpose:
This meta-analysis aimed to determine the efficacy and safety of antioxidant supplementation for treating erectile dysfunction (ED).
Materials and Methods:
We systematically searched MEDLINE, Embase, and the Cochrane Library for double-blind, randomized, placebo-controlled trials of oral antioxidant supplementation in men with ED. Erectile function was assessed by the International Index of Erectile Function-Erectile Function domain (IIEF-EF) score. Using random-effects meta-analysis models, antioxidant and placebo groups were compared for erectile function using the mean difference in IIEF-EF score adjusted to a 6–30 scale and for side effects using the log risk ratio.
Results:
The review included 23 trials of 1,583 men (median age 51 years) treated with antioxidant supplementation or placebo for a median of 12 weeks (range, 4 weeks to 6 months). Antioxidant supplementation significantly improved erectile function compared to placebo, with a mean difference of 5.5 points (95% confidence interval [CI]: 3.7 to 7.3; p<0.001) on the IIEF-EF. In meta-regression, the treatment benefit was greater in men with more severe ED (p<0.001). Side effects were uncommon, none were serious, and the frequency was comparable between antioxidant (3.8%) and placebo (2.1%) groups (log risk ratio=0.36; 95% CI: -0.24 to 0.97; p=0.24).
Conclusions
Antioxidant supplementation appears safe and significantly improves erectile function in men with ED, particularly those with more severe symptoms. Limitations of this review included unknown long-term efficacy and safety and the inability to make specific product and dosing recommendations due to the variety of antioxidants and regimens studied.

Result Analysis
Print
Save
E-mail