Comparative Efficacy of Pharmacological Treatments for Acne Vulgaris
The most effective treatment for acne is oral isotretinoin, followed by triple therapies containing a topical retinoid, BPO, and an antibiotic. Research presents detailed comparisons of each intervention to serve as a practical database.
Summary
A Network Meta-Analysis of 221 Randomized Controlled Trials
[Posted 17/Aug/2023]
AUDIENCE: Family Medicine, Dermatology
KEY FINDINGS: The most effective treatment for acne is oral isotretinoin, followed by triple therapies containing a topical retinoid, BPO, and an antibiotic. Research presents detailed comparisons of each intervention to serve as a practical database.
BACKGROUND: Acne is an extremely common skin disease with an estimated global prevalence of 9.4%. Authors aimed to provide comprehensive comparisons of the common pharmacological treatments for acne.
DETAILS: Randomized controlled trials comparing the efficacy of pharmacological therapies for acne vulgaris in patients of any age and sex and with a treatment duration of >2 weeks were included. PubMed and Embase databases were searched from inception until February 2022. Our prespecified primary end points were mean percentage reduction in total, inflammatory, and noninflammatory lesions. Treatment ranking was determined by P values. There were 210 articles describing 221 trials and 37 interventions included in the analysis. Our primary analysis of percentage reduction in total lesion count had 65,601 patients enrolled. Across all trials, the mean age was 20.4 years. The median duration of treatment was 12 weeks. The median total, inflammatory, and noninflammatory lesion counts were 72, 27, and 44, respectively. The most effective treatment was oral isotretinoin (mean difference [MD] = 48.41; P = 1.00), followed by triple therapy containing a topical antibiotic, a topical retinoid, and benzoyl peroxide (BPO) (MD = 38.15; P = .95) and by triple therapy containing an oral antibiotic, a topical retinoid, and BPO (MD = 34.83; P = .90). For monotherapies, oral or topical antibiotics or topical retinoids have comparable efficacy for inflammatory lesions, while oral or topical antibiotics have less effect on noninflammatory lesions.
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Source: Huang, C. Y., Chang, I. J., Bolick, N., et al. (2023). Comparative Efficacy of Pharmacological Treatments for Acne Vulgaris: A Network Meta-Analysis of 221 Randomized Controlled Trials. The Annals of Family Medicine. 2023; 21(4): 358-369 Published: July/August, 2023. DOI: 10.1370/afm.2995.
Palliative Extracorporeal Membrane Oxygenation Decannulation: An Ethical, Evidence-Based Approach
A structured approach to ECMO de-escalation and decannulation can reduce practice variability while incorporating patient and family preferences. Proactive symptom management may improve the patient and family experience, supporting a more comfortable and dignified end-of-life journey.
KEY FINDINGS: A structured, interprofessional approach to palliative ECMO de-escalation can reduce variability in end-of-life practice and support more consistent symptom management and communication. Incorporating patient and family preferences into the process, together with proactive symptom management and staff debriefing, was associated with a more comfortable and dignified end-of-life experience in this quality-improvement setting.
BACKGROUND: Extracorporeal membrane oxygenation (ECMO) is an invasive, potentially lifesaving therapy associated with complications involving multiple organ systems. When ECMO is no longer considered beneficial, de-escalation or decannulation may be required as part of a transition to comfort-focused care and natural death. At a tertiary care facility with 64 beds using ECMO, variability was identified in ECMO initiation, communication with patients and families, determination of nonbeneficial therapy, and symptom management during de-escalation.
DETAILS: This quality-improvement project integrated palliative care, reviewed existing literature on best practices, and established an interprofessional task force focused on ECMO de-escalation. New clinical guidelines were developed to provide a consistent, evidence-based framework for communication, decision-making, symptom management, and de-escalation/decannulation. The initiative was designed to reduce practice variability while improving the experience of patients, families, and clinicians during transition to comfort-directed care.
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Implementation of the guidelines decreased practice variability and reduced patient and family stress and discomfort during ECMO de-escalation and decannulation. Team members reported decreases in symptoms of secondary trauma and moral distress associated with these situations. They also reported improved delivery of end-of-life care, including family education and support, patient advocacy, and symptom management. Family members valued greater attention to both patient and family well-being, while structured staff debriefings supported reflection and identification of opportunities for improvement.
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Source: Arbour, R., Abate, M., Garcia, O., et al. Palliative Extracorporeal Membrane Oxygenation Decannulation: An Ethical, Evidence-Based Approach. Critical Care Nurse. 2026; 46(4): 17-28. Published: August 1, 2026. DOI: 10.4037/ccn2026166.
Depressive Symptoms Associated With Cognitive Impairment in Cerebral Amyloid Angiopathy
A study of 168 adults found that patients with cerebral amyloid angiopathy had substantially more depressive symptoms and poorer cognitive performance than cognitively normal controls. Possible depression was associated with impairment in episodic memory, executive function, and processing speed, and partially mediated the relationship between CAA and cognition. Greater depressive symptoms were also associated with MRI markers of cortical and small-vessel brain injury.
KEY FINDINGS: People with CAA in this study had substantially more depressive symptoms and poorer cognitive performance than cognitively normal controls. Depressive symptoms explained a small but significant portion of the association between CAA and impairment in episodic memory and executive function, suggesting that mood symptoms may contribute to cognitive difficulties in CAA. Greater depressive symptom severity was also associated with MRI markers of cortical and small-vessel brain injury. Because the study was cross-sectional, the findings do not establish whether CAA-related brain injury causes depression or whether depressive symptoms contribute to subsequent cognitive decline.
BACKGROUND: Cerebral amyloid angiopathy (CAA), a small-vessel disease characterized by β-amyloid deposition in cerebral vessel walls, is associated with cognitive impairment and dementia. Depression can independently affect memory and executive function, but the relationship between depressive symptoms, CAA-related brain injury, and cognition has been less clearly defined. This study examined whether depressive symptoms were associated with cognitive performance in people with CAA and whether depression helped explain the relationship between CAA and cognitive impairment.
DETAILS: Researchers analyzed baseline data from a prospective longitudinal cohort recruited through memory and stroke-prevention clinics at two Canadian centers. The analysis included adults aged ≥55 years with probable CAA and cognitively normal controls. Cognitive performance was evaluated across episodic memory, executive function, and processing speed, while depressive symptoms were assessed using the 15-item Geriatric Depression Scale (GDS-15). A score ≥5 was classified as "possible depression." The primary analysis included 168 participants: 85 with CAA and 83 cognitively normal controls. The mean age was 73.5 years among participants with CAA and 68.8 years among controls. Additional analyses exam-ined relationships between depressive symptoms and CAA-related MRI markers in 81 participants with CAA.
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Participants with CAA had substantially higher odds of possible depression than controls, with an odds ratio of 15.71 (95% CI, 4.26-80.05; P<0.001). Their GDS-15 scores were also 2.71 times higher than those of controls (95% CI, 2.10-3.51; P<0.001). Possible depression was associated with poorer performance across all three cognitive domains. After adjustment for age, sex, and education, associations were observed for episodic memory (β=-1.03; 95% CI, -1.53 to -0.53; P<0.001), executive function (β=-1.11; 95% CI, -1.65 to -0.58; P<0.001), and processing speed (β=-0.73; 95% CI, -1.24 to -0.21; P=0.006). Mediation analysis suggested that depressive symptoms accounted for 11% of the association between CAA and episodic memory and 9% of the association between CAA and executive function. No significant mediation was observed for processing speed, where depression accounted for approximately 2% of the association.
Among participants with CAA, greater depressive symptom severity was also associated with lower mean cortical thickness, cortical superficial siderosis, and a higher CAA-related small-vessel disease burden. Specifically, the count ratio was 1.33 (95% CI, 1.09-1.62; P=0.005) per SD decrease in cortical thickness, 2.04 (95% CI, 1.35-3.09; P<0.001) for cortical superficial siderosis, and 1.16 (95% CI, 1.00-1.35; P=0.047) for higher CAA small-vessel disease score.
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Source: Nukala, N., Muir, R. T., Beaudin, A. E., et al. Associations Between Cerebral Amyloid Angiopathy, Cognitive Impairment, and Depressive Symptoms. Neurology. 2026; 107(5): e218354. Published: September, 2026. DOI: 10.1212/WNL.0000000000218354.
Real-World Study Finds No Significant Difference in Heart Failure Risk Between Biosimilar and Reference Trastuzumab
In real-world practice, trastuzumab biosimilars were not associated with a statistically significant increase in heart failure compared with reference trastuzumab, supporting their cardiac safety. However, older age, anthracycline use, and greater comorbidity burden remain important risk factors, and larger studies are needed to assess cardiac safety differences among individual biosimilars.
KEY FINDINGS: In this large real-world cohort of patients with early-stage HER2-positive breast cancer, biosimilar trastuzumab use increased markedly between 2018 and 2024 without a statistically significant difference in heart failure risk compared with reference trastuzumab. Overall heart failure occurred in 5.9% of the study population. Comorbidity burden and older age were associated with higher heart failure risk, emphasizing the importance of cardiovascular risk assessment during HER2-directed therapy. Because this was a retrospective claims-based study, longer follow-up and additional real-world studies are needed to further evaluate long-term cardiac outcomes.
BACKGROUND: Trastuzumab is an important treatment for HER2-positive breast cancer, but cardiac dysfunction, including heart failure, remains a recognized safety concern. Biosimilar trastuzumab products have expanded treatment access and may reduce costs, although real-world data comparing their cardiac safety with the reference product remain limited. This study evaluated the uptake of biosimilar trastuzumab and compared heart failure risk between patients receiving biosimilar and reference trastuzumab in routine clinical practice.
DETAILS: The investigators analyzed patients aged ≥18 years with breast cancer who received trastuzumab between 2018 and 2024 using the IQVIA PharMetrics Plus Closed Health Plan Claims database. Patients who underwent breast cancer surgery within the first year after diagnosis were considered to have early-stage disease. Individuals with a heart failure diagnosis before breast cancer surgery were excluded. Trastuzumab products were identified using Healthcare Common Procedure Coding System Level II codes, while heart failure was identified using International Classification of Diseases codes. The analysis used multivariable cause-specific Cox proportional hazards regression to evaluate the association between trastuzumab type and subsequent heart failure risk. The study included 5,135 patients, of whom 43.9% received reference trastuzumab.
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Use of biosimilar trastuzumab increased substantially during the study period, from 0% in 2018 to 71.3% in 2024 (P<0.001). Overall, heart failure occurred in 5.9% of patients, including 5.5% of those receiving reference trastuzumab and 6.3% of those receiving biosimilar trastuzumab (P=0.26). After adjustment for relevant factors, there was no statistically significant difference in heart failure risk between biosimilar and reference trastuzumab (adjusted HR, 1.16; 95% CI, 0.92-1.46). In contrast, patients with a Charlson Comorbidity Index score ≥2 had a higher heart failure risk than those with a score of 0 (adjusted HR, 1.52; 95% CI, 1.11-2.08). Older age was also associated with greater risk: compared with patients aged 18-54 years, the adjusted HR was 1.61 (95% CI, 1.19-2.19) for those aged 65-74 years and 1.95 (95% CI, 1.29-2.96) for those aged ≥75 years.
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Source: Jackson, I., Zhang, N., Sullivan, M., et al. Real-World Cardiotoxicity of Biosimilar versus Reference Trastuzumab in Early HER2-Positive Breast Cancer. JACC: CardioOncology. Published: September 10, 2026. DOI: 10.1016/j.jaccao.2026.07.009.
Neovascular Glaucoma Associated With Increased Long-Term Mortality and Systemic Morbidity
A large TriNetX cohort study found that neovascular glaucoma was associated with increased long-term risks of mortality and systemic complications beyond underlying retinal vascular disease. At 10 years, NVG in patients with proliferative diabetic retinopathy was associated with higher mortality and end-stage renal disease, while NVG in patients with central retinal vein occlusion was associated with higher mortality and stroke risk. The findings highlight the potential value of coordinated ophthalmic and systemic care when NVG develops.
KEY FINDINGS: The development of NVG was associated with additional long-term systemic morbidity and mortality beyond the underlying PDR or CRVO in this large retrospective cohort. The strongest associations included mortality and ESRD among patients with PDR and mortality and stroke among those with CRVO. The findings suggest that development of NVG may identify patients with substantial systemic vascular risk and support closer coordination between ophthalmic and other medical specialties. Because the study was retrospective and based on electronic health records, the observed associations should not be interpreted as evidence that NVG itself directly causes these systemic outcomes.
BACKGROUND: Neovascular glaucoma (NVG) is a serious ocular complication of retinal vascular disease, including proliferative diabetic retinopathy (PDR) and central retinal vein occlusion (CRVO). Although NVG is primarily recognized for its effects on vision and intraocular pressure, less is known about whether its development is associated with additional long-term systemic health risks. This multicenter retrospective cohort study evaluated mortality and major systemic outcomes among adults with PDR or CRVO who did or did not subsequently develop NVG.
DETAILS: The investigators used the TriNetX Research Network, a deidentified electronic health record database containing information from more than 177 million patients across more than 150 healthcare organizations worldwide. Adults older than 40 years with PDR or CRVO were identified and compared according to whether NVG subsequently developed. Patients were propensity-score matched 1:1 based on demographic characteristics and comorbidities. Outcomes were assessed at 1, 5, and 10 years and included all-cause mortality, stroke, myocardial infarction (MI), end-stage renal disease (ESRD), and deep-vein thrombosis (DVT). A total of 1,278 patients with PDR and NVG were matched with 1,278 patients with PDR without NVG. The study also evaluated patients with CRVO and NVG compared with matched CRVO patients without NVG, as well as an NVG cohort compared with a cataract control cohort.
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Among patients with PDR, development of NVG was associated with higher 10-year mortality (HR, 1.34; 95% CI, 1.14-1.57) and ESRD (HR, 1.43; 95% CI, 1.23-1.67) compared with PDR without NVG. Ten-year survival was 60.4% in the PDR + NVG group compared with 68.4% in the PDR without NVG group. Among patients with CRVO, those who developed NVG had higher 10-year mortality (HR, 1.61; 95% CI, 1.17-2.20) and stroke risk (HR, 1.86; 95% CI, 1.19-2.90). Differences in MI and ESRD were not statistically significant in this comparison, and DVT risk was also not significantly different. When PDR + NVG was compared directly with CRVO + NVG, the PDR + NVG group had higher 10-year risks of mortality (HR, 1.56; 95% CI, 1.17-2.07), MI (HR, 1.94; 95% CI, 1.13-3.32), and ESRD (HR, 4.04; 95% CI, 2.43-6.73). Compared with the cataract control cohort, NVG was associated at 10 years with higher risks of mortality (HR, 2.66; 95% CI, 2.40-2.94), stroke (HR, 2.17; 95% CI, 1.85-2.54), MI (HR, 1.89; 95% CI, 1.60-2.23), and ESRD (HR, 3.34; 95% CI, 2.89-3.88).
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Source: Margolis, R., Vasu, P., and Dorairaj, S. K. Long-Term Risk of Mortality and Systemic Morbidity in Neovascular Glaucoma: A Multicenter Retrospective Cohort Study. Ophthalmology Glaucoma. 2026; 9(5): 517-526. Published: September-October, 2026. DOI: 10.1016/j.ogla.2026.01.017.
Manual Detorsion by Pediatric Emergency Physicians May Shorten Ischemia Time in Pediatric Testicular Torsion
A study found that manual detorsion performed by pediatric emergency physicians can shorten ischemia time in children with testicular torsion. The findings highlight the potential value of prompt bedside intervention while definitive surgical management is being arranged. Manual detorsion remains a temporizing measure and does not replace urgent surgery.
KEY FINDINGS: The study highlights manual detorsion as a potentially useful time-saving intervention in pediatric testicular torsion. Having trained pediatric emergency physicians perform the procedure may allow restoration of testicular blood flow sooner and reduce the interval to definitive treatment. Because testicular viability is time-dependent, incorporating prompt manual detorsion into emergency management may be clinically relevant when appropriate expertise is available. The procedure should be viewed as an emergency temporizing measure followed by definitive surgical management.
BACKGROUND: Testicular torsion is a time-sensitive urologic emergency in which prolonged interruption of testicular blood flow can result in irreversible ischemic injury. Although definitive management requires urgent surgical detorsion and orchiopexy, manual detorsion may provide temporary restoration of blood flow while the patient is being prepared for surgery. This study evaluated whether manual detorsion performed by pediatric emergency physicians could reduce the time that the testis remains ischemic in children with testicular torsion.
DETAILS: The study examined pediatric patients with suspected testicular torsion who underwent manual detorsion by pediatric emergency physicians before definitive operative management. The investigators assessed the time from emergency department presentation to restoration of testicular perfusion and compared outcomes according to whether manual detorsion was successfully performed. The analysis focused on the potential role of emergency physicians in initiating immediate treatment rather than waiting for transfer to the operating room. Manual detorsion was considered an adjunct to, rather than a replacement for, definitive surgical management.
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Manual detorsion performed by pediatric emergency physicians was associated with a shorter duration of testicular ischemia before operative treatment. Successful bedside detorsion allowed restoration of perfusion to occur earlier than would have been possible if treatment had been deferred until surgical exploration. The findings support the potential value of emergency physicians performing manual detorsion promptly when pediatric testicular torsion is suspected, particularly when operating-room preparation or surgical consultation may introduce additional delays. Definitive surgical exploration remains necessary because manual detorsion does not reliably correct the underlying torsion or prevent recurrence.
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Source: Rivera, T., Lozano, J., Maniaci, V., et al. Manual Detorsion by Pediatric Emergency Physicians Shortens Ischemia Time in Pediatric Testicular Torsion. Academic Emergency Medicine. 2026; 33(9): e70412. Published: September, 2026. DOI: 10.1111/acem.70412.
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