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Triamcinolone acetonide extended-release (ER) 32 mg (Zilretta ® ) is approved in the USA for the management of osteoarthritis (OA) pain of the knee and is administered as a single, 5 mL intra-articular (IA) injection. Although the therapeutic effects from IA corticosteroids are typically short-lived, triamcinolone acetonide ER is formulated in poly (lactic-co-glycolic acid) (PLGA) microspheres that slowly release triamcinolone acetonide in the synovium, enabling their prolonged presence in the joint. This reduces systemic exposure and lessens corticosteroid-related systemic adverse reactions, such as blood glucose elevations. In a 24-week, randomized, phase III clinical trial, triamcinolone acetonide ER 32 mg significantly improved mean average daily pain intensity in patients with knee OA relative to placebo, and pain, stiffness and physical function (according to WOMAC criteria) relative to placebo and triamcinolone acetonide crystalline suspension (CS). Triamcinolone acetonide ER was generally well tolerated, with a tolerability profile similar to that of triamcinolone acetonide CS and placebo. Findings from a single-arm phase IIIb study indicated that a repeat administration of triamcinolone acetonide ER may be similarly efficacious to an initial injection without having deleterious effects on cartilage or other aspects of joint structure. Thus, triamcinolone acetonide ER expands the treatment options available for the management of OA pain of the knee.

Keloid scars are characterized by the excessive proliferation of fibroblasts and an imbalance between the production and degradation of collagen, leading to its buildup in the dermis. There is no “gold standard” treatment for this condition, and the recurrence is frequent after surgical procedures removal. In vitro studies have demonstrated that photobiomodulation (PBM) using the blue wavelength reduces the proliferation speed and the number of fibroblasts as well as the expression of TGF-β. There are no protocols studied and established for the treatment of keloids with blue LED. Therefore, the purpose of this study is to determine the effects of the combination of PBM with blue light and the intralesional administration of the corticoid triamcinolone hexacetonide on the quality of the remaining scar by Vancouver Scar Scale in the postoperative period of keloid surgery. A randomized, controlled, double-blind, clinical trial will be conducted involving two groups: 1) Sham (n = 29): intralesional administration of corticoid (IAC) and sham PBM in the preoperative and postoperative periods of keloid removal surgery; and 2) active PBM combined with IAC (n = 29) in the preoperative and postoperative periods of keloid removal surgery. Transcutaneous PBM will be performed on the keloid region in the preoperative period and on the remaining scar in the postoperative period using blue LED (470 nm, 400 mW, 4J per point on 10 linear points). The patients will answer two questionnaires: one for the assessment of quality of life (Qualifibro-UNIFESP) and one for the assessment of satisfaction with the scar (PSAQ). The team of five plastic surgeons will answer the Vancouver Scar Scale (VSS). All questionnaires will be administered one, three, six, and twelve months postoperatively. The keloids will be molded in silicone prior to the onset of treatment and prior to excision to assess pre-treatment and post-treatment size. The same will be performed for the remaining scar at one, three, six, and twelve months postoperatively. The removed keloid will be submitted to histopathological analysis for the determination of the quantity of fibroblasts, the organization and distribution of collagen (picrosirius staining), and the genic expression of TGF-β (qPCR). All data will be submitted to statistical analysis. Trial registration: This study is registered in ClinicalTrials.gov (ID: NCT04824612 ).

BACKGROUND AND OBJECTIVESOsteoarthritis (OA) of the knee affects the aging population and has an associated influence on the health care system. Rigorous studies evaluating radiofrequency ablation for OA-related knee pain are lacking. This study compared long-term clinical safety and effectiveness of cooled radiofrequency ablation (CRFA) with intra-articular steroid (IAS) injection in managing OA-related knee pain. METHODSThis is a prospective, multicenter, randomized trial with 151 subjects with chronic (≥6 months) knee pain that was unresponsive to conservative modalities. Knee pain (Numeric Rating Scale [NRS]), Oxford Knee Score, overall treatment effect (Global Perceived Effect), analgesic drug use, and adverse events were compared between CRFA and IAS cohorts at 1, 3, and 6 months after intervention. RESULTSThere were no differences in demographics between study groups. At 6 months, the CRFA group had more favorable outcomes in NRSpain reduction 50% or greater74.1% versus 16.2%, P < 0.0001 (25.9% and 83.8% of these study cohorts, respectively, were nonresponders). Mean NRS score reduction was 4.9 ± 2.4 versus 1.3 ± 2.2, P < 0.0001; mean Oxford Knee Score was 35.7 ± 8.8 vs 22.4 ± 8.5, P < 0.0001; mean improved Global Perceived Effect was 91.4% vs 23.9%, P < 0.0001; and mean change in nonopioid medication use was CRFA > IAS (P = 0.02). There were no procedure-related serious adverse events. CONCLUSIONSThis study demonstrates that CRFA is an effective long-term therapeutic option for managing pain and improving physical function and quality of life for patients with painful knee OA when compared with IAS injection.Clinical Trial RegistrationClinicalTrials.gov (NCT02343003).

AimsTo evaluate the efficacy and safety of intravitreal triamcinolone acetonide (TA) injection at the end of emergency surgery for open globe injury (OGI) to suppress traumatic proliferative vitreoretinopathy (TPVR).MethodsA single-centre, participant-masked, prospective, randomised controlled clinical trial. A total of 68 globe rupture patients with zone III were randomised to the control group (n=34) or the TA group (n=34) in 1:1 allocation ratio. Patients were treated with 0.1 mL TA in the TA group and 0.1 mL balanced salt solution in the control group at the end of emergency surgery. The primary outcome was the assessment of TPVR during vitrectomy 10±3 days later. Secondary outcomes included visual acuity (VA), retinal attachment rate, macular attachment rate, proliferative vitreoretinopathy (PVR) recurrent rate, side effects 6 months after vitrectomy.ResultsDuring vitrectomy, the TPVR grade of the control group was significantly more severe than the TA group (p=0.028). The TPVR score was significantly better in the TA group (9.30±0.82) than in the control group (6.44±1.06) (p=0.036). The final VA improved in 23 eyes (92%) in the TA group and in 14 eyes (63.64%) in the control group (p=0.008). The retinal attachment rates were 88% and 63.64% in the TA and control group, respectively (p=0.049). The two groups showed no significant difference in macular repositioning and PVR recurrent rate (p=0.215, 0.191). Temporary intraocular pressure elevation occurred in one eye in the TA group after emergency surgery.ConclusionsEarly intravitreal TA injection for OGI effectively reduces TPVR, increases surgical success and improves visual prognosis.

Ganglion cysts are benign soft tissue tumors that commonly occur in the joints, especially the wrist. Surgical excision and steroid injection are the two main treatment options; however, their efficacy remains unclear. This prospective interventional control trial included 54 patients with ganglion cysts treated between March 2023 and March 2024 at Saveetha Medical College Hospital, Chennai. Patients were divided into two groups: Group A underwent surgical excision and Group B received aspiration followed by 40 mg of intralesional triamcinolone acetonide injection. The highest incidence was observed in younger patients aged 14–19 years (13 patients), with more females (57.4%) affected. The cysts were equally distributed between the left and right hands. All patients presented with swelling, and 59.3% experienced pain/discomfort. In Group A surgical excision success rate was 92.5%, with a 7.5% recurrence rate. Group B had a lower success rate (64.3%) and higher recurrence rate (35.7%) with aspiration and injection. Surgical excision demonstrated significantly better outcomes, with higher success and lower recurrence rates than aspiration and steroid injection for the management of ganglion cysts. Therefore, this should be considered the preferred treatment option.

Oral corticosteroids represents the most prevalent treatment for idiopathic granulomatous mastitis. Ductal lavage with triamcinolone acetonide and antibiotics followed by observation (DL-OBS) has emerged as a novel strategy, but a comparison of them remains lacking. Here in this multicenter, open-label, non-inferiority, randomized trial (ClinicalTrials.gov identifier: NCT03724903), we assigned 140 patients to oral corticosteroids (N = 71) and DL-OBS (N = 69), stratified by baseline M-score. The primary outcome is complete Clinical Response rate at 1 year. The non-inferiority margin is −15%. The primary outcome is 85.5% in DL-OBS and 87.3% in oral corticosteroids (difference: −1.8%; 95%CI, 13.2 to 9.5; P non-inferiority  = .01) in intention-to-treat population, and 92.6% vs 98.2% (difference −5.6%; 95%CI −13.4 to 2.2; P non-inferiority  = .01) in per-protocol population, respectively. The most common (>15%) adverse events were Cushingoid, epigastric pain and arthralgia in oral corticosteroids, and irregular menstruation in DL-OBS, respectively. Here, we report that DL-OBS shows similar efficacy to oral corticosteroids but with better safety profile. Ductal lavage represents a treatment option for idiopathic granulomatous mastitis. Here, the authors report the results of a randomized clinical trial, indicating that ductal lavage followed by observation is non-inferior to oral corticosteroids

To evaluate the therapeutic effect of combining subconjunctival botulinum toxin A (BTX-A) with periorbital triamcinolone acetonide (TA) injections in treating upper eyelid retraction (UER) due to thyroid-associated ophthalmopathy (TAO). Fifty eyes with TAO-related UER were randomized into two groups. Group 1 received TA alone, while group 2 received BTX-A plus TA. Marginal reflex distance (MRD1) and graine sign (GS) were measured at baseline and post-injection intervals. Elevated intraocular pressure incidence was monitored. Group 1 showed significant MRD1 reductions at 1, 3, and 6 months ( P  < 0.05) and a GS increase at 3 months ( P  < 0.05). Group 2 exhibited quicker MRD1 reductions at 1 week, 1, 3, and 6 months ( P  < 0.05) and earlier GS improvements at 1 week, 1, and 3 months ( P  < 0.05). Group 2 had lower MRD1 and higher GS values one week post-initial injection ( P  < 0.001 and P  = 0.013, respectively) and a lower incidence of elevated intraocular pressure compared to group 1 ( P  < 0.05). In a six-month study, patients treated with BTX-A and TA for TAO-related UER experienced a faster therapeutic onset and sustained efficacy with reduce the total dose of multiple local TA injections and fewer side effects like elevated intraocular pressure.The trial registration number is ChiCTR2300077958, with the date of registration being 24/11/2023 (retrospectively registered).

Background Recurrent Aphthous Stomatitis (RAS) is one of the most common lesions of the oral mucosa. Herbal medicine can be used for the treatment of this disease. The present study aimed to compare the effects of topical application of Sage (Salvizan) and triamcinolone acetonide gels on RAS. Methods This double-blind clinical study recruited sixty patients with minor aphthous ulcers. Half of the patients were treated with Salvizan gel, and the other half were treated with oral triamcinolone acetonide gel. The effect of Salvizan topical gel was evaluated and compared with that of oral triamcinolone acetonide gel. Factors such as Pain recovery time, wound healing time, and pain level was evaluated. Data were analyzed by SPSS version 22 using independent t-test, paired t-test, repeated measures ANOVA, and survival analysis, including Kaplan-Meier and Cox regression. Results The mean duration of pain recovery was 1.5 days for Salvizan and 2.5 days for triamcinolone acetonide ( p  < 0.001). Moreover, the duration of wound healing was 3.3 days for Salvizan and 6 days for triamcinolone acetonide ( p  < 0.001). Patients’ satisfaction from factors such as taste and smell had no significant difference between the two groups. Conclusion The results of this study showed that Salvizan gel is very effective in the treatment of RAS. It was significantly better than triamcinolone acetonide in the pain recovery and wound healing. These promising results favor herbal treatments and show that they can be used more commonly for treating diseases such as RAS. Trial registration This study was approved by the ethics committee of Isfahan University of Medical Sciences (IR.MUI.RESEARCH.REC.1399.834) on 17/03/2021. It was also registered in the Iranian Registry of Clinical Trials (IRCT20100202003251N7).

ObjectiveTo evaluate the effectiveness of intra-articular injections (IAIs) with triamcinolone hexacetonide (TH) combined with a progressive resistance exercise program (PREP) in improving pain, function, muscle strength, and quality of life in elderly patients with knee osteoarthritis (OA).MethodsFifty-nine elderly individuals with knee OA were randomized into three groups: IAI with TH (IAI-TH) + PREP, IAI with saline solution (IAI-SS) + PREP, and IAI with placebo + PREP. The IAIs were administered once, one week before starting PREP, which was performed twice weekly for 12 weeks. Outcomes assessed at baseline and at 2, 6, and 12 weeks post-IAI included pain (Numerical Pain Scale - NPS), swelling, function (Western Ontario and McMaster Universities Osteoarthritis Index - WOMAC), quality of life (Short Form-36 - SF-36), performance tests (Six-Minute Walk Test − 6MWT, Timed Up and Go Test - TUGT, Short Physical Performance Battery - SPPB), and muscle strength (one-repetition maximum test − 1RM). Due to the COVID-19 pandemic, only 15 participants per group completed the study protocol.ResultsAll groups showed significant intragroup improvements over time in pain, function, muscle strength, and quality of life. However, no statistically significant differences were found between the groups for any of the assessed outcomes. The bodily pain domain of the SF-36 and analgesic consumption were the only measures showing differences over time.ConclusionThe combination of IAI-TH and a 12-week PREP (twice weekly) was not superior to IAI-SS or placebo combined with the same PREP in improving pain, function, or quality of life in elderly patients with knee OA. These findings highlight the role of exercise as a key therapeutic strategy, regardless of prior IAI. Future studies with larger sample sizes and long-term follow-ups are needed to better assess the role of intra-articular corticosteroid injections in OA rehabilitation.Clinical trial numberensaiosclinicos.gov.br (RBR-556md5g). Registered 27 October 2022.

Background To evaluate the efficacy of subconjunctival triamcinolone injection for treating upper eyelid retraction caused by thyroid-associated ophthalmopathy (TAO). Methods Prospective single blind randomized clinical trial. Patients diagnosed with TAO-associated eyelid retraction and/or swelling <6 months before study onset were randomly assigned to triamcinolone-injected (group I; 55 patients, 75 eyes) or observation-only (group II; 40 patients, 59 eyes) populations. Group I received 1–3 injections of 20 mg triamcinolone acetate into the subconjunctival eyelid, between the conjunctiva and Muller’s muscle, at 3-week intervals. Group I was followed up at 3, 6, 9, and 24 weeks post-injection, and group II was evaluated at 9 and 24 weeks after initial visit. Eyelid swelling and retraction were each graded on a 0-3 scale. Treatment was stopped after 1–2 injections if both swelling and retraction resolved completely or if retraction and swelling scored 0/1 or 1/0 without functional or cosmetic patient concerns. Treatment success was defined at 9 and 24 weeks post-injection if eyelids were normal or when treatment was terminated because of early clinical resolution. We compared baseline clinical data between success and failure group evaluated at 9 and 24 weeks in group I, and investigated short-term and long-term success prognostic factor using multiple logistic regression analysis in each group I and II. Results Swelling and retraction decreased significantly more in group I than in group II. Significantly more eyes had severe swelling (≥ grade 2) in group I (67 %) than in group II (34 %) upon initial evaluation ( p  < 0.01); this difference disappeared at 9 and 24 weeks. Fewer severely retracted eyes were observed in group I than in group II at 9 and 24 weeks ( p  < 0.01). Significantly more eyes in group I achieved success at both 9 and 24 weeks (59 %, 75 %) than in group II (39 %, 57 %) ( p  = 0.03, p  = 0.04 respectively). Higher initial retraction grades (2–3) predicted a higher chance of post-injection failure versus the reference group (grade 0–1) at 9 and 24 weeks in group I, with adjusted odds ratios (aOR) 45.4 (95 % CI = 5.9–351.1, p  < 0.01) and aOR 11.6 (95 % CI = 2.3–58.5, p  < 0.01) respectively. Similarly in group II, initial retraction grade was associated with the failure at 9 and 24 weeks, with aOR 10.3 (95 % CI = 1.8–59.6, p  < 0.01) and aOR 5.9 (95 % CI = 1.3–25.9, p  < 0.05) respectively. Transient intraocular pressure elevation was observed in three eyes of two patients, although all ocular pressures were normalized within 1 month using anti-glaucoma medication. Conclusions Subconjunctival triamcinolone injections were very effective in resolving eyelid swelling and retraction in recent-onset TAO. However, the symptom-reducing effect of triamcinolone was modest and less effective in patients initially presenting with severe retraction grades. As intraocular pressure may rise after steroid injection at upper eyelid, the treatment should be avoided in patients suspected to have glaucoma.