scholarly journals Nervous and Muscular Adverse Events after COVID-19 Vaccination: A Systematic Review and Meta-Analysis of Clinical Trials

Vaccines ◽  
2021 ◽  
Vol 9 (8) ◽  
pp. 939
Author(s):  
Jiaxin Chen ◽  
Yuangui Cai ◽  
Yicong Chen ◽  
Anthony P. Williams ◽  
Yifang Gao ◽  
...  

Background: Nervous and muscular adverse events (NMAEs) have garnered considerable attention after the vaccination against coronavirus disease (COVID-19). However, the incidences of NMAEs remain unclear. We aimed to calculate the pooled event rate of NMAEs after COVID-19 vaccination. Methods: A systematic review and meta-analysis of clinical trials on the incidences of NMAEs after COVID-19 vaccination was conducted. The PubMed, Medline, Embase, Cochrane Library, and Chinese National Knowledge Infrastructure databases were searched from inception to 2 June 2021. Two independent reviewers selected the study and extracted the data. Categorical variables were analyzed using Pearson’s chi-square test. The pooled odds ratio (OR) with the corresponding 95% confidence intervals (CIs) were estimated and generated with random or fixed effects models. The protocol of the present study was registered on PROSPERO (CRD42021240450). Results: In 15 phase 1/2 trials, NMAEs occurred in 29.2% vs. 21.6% (p < 0.001) vaccinated participants and controls. Headache and myalgia accounted for 98.2% and 97.7%, and their incidences were 16.4% vs. 13.9% (OR = 1.97, 95% CI = 1.28–3.06, p = 0.002) and 16.0% vs. 7.9% (OR = 3.31, 95% CI = 2.05–5.35, p < 0.001) in the vaccine and control groups, respectively. Headache and myalgia were more frequent in the newly licensed vaccines (OR = 1.97, 95% CI = 1.28–3.06, p = 0.02 and OR = 3.31, 95% CI = 2.05–5.35, p < 0.001) and younger adults (OR = 1.40, 95% CI = 1.12–1.75, p = 0.003 and OR = 1.54, 95% CI = 1.20–1.96, p < 0.001). In four open-label trials, the incidences of headache, myalgia, and unsolicited NMAEs were 38.7%, 27.4%, and 1.5%. Following vaccination in phase 3 trials, headache and myalgia were still common with a rate of 29.5% and 19.2%, although the unsolicited NMAEs with incidence rates of ≤ 0.7% were not different from the control group in each study. Conclusions: Following the vaccination, NMAEs are common of which headache and myalgia comprised a considerable measure, although life-threatening unsolicited events are rare. NMAEs should be continuously monitored during the ongoing global COVID-19 vaccination program.

Author(s):  
Pinky Kotecha ◽  
Alexander Light ◽  
Enrico Checcucci ◽  
Daniele Amparore ◽  
Cristian Fiori ◽  
...  

AbstractObjectiveThe aim of this systematic review is to evaluate the data currently available regarding the repurposing of different drugs for Covid-19 treatment. Participants with suspected or diagnosed Covid-19 will be included. The interventions being considered are drugs being repurposed, and comparators will include standard of care treatment or placebo.MethodsWe searched Ovid-MEDLINE, EMBASE, Cochrane library, clinical trial registration site in the UK(NIHR), Europe (clinicaltrialsregister.eu), US (ClinicalTrials.gov) and internationally (isrctn.com), and reviewed the reference lists of articles for eligible articles published up to April 22, 2020. All studies in English that evaluated the efficacy of the listed drugs were included. Cochrane RoB 2.0 and ROBINS-I tool were used to assess study quality. This systematic review adheres to the PRISMA guidelines. The protocol is available at PROSPERO (CRD42020180915).ResultsFrom 708 identified studies or clinical trials, 16 studies and 16 case reports met our eligibility criteria. Of these, 6 were randomized controlled trials (763 patients), 7 cohort studies (321 patients) and 3 case series (191 patients). Chloroquine (CQ) had a 100% discharge rate compared to 50% with lopinavir-ritonavir at day 14, however a trial has recommended against a high dosage due to cardiotoxic events. Hydroxychloroquine (HCQ) has shown no significant improvement in negative seroconversion rate which is also seen in our meta-analysis (p=0.68). Adverse events with HCQ have a significant difference compared to the control group (p=0.001). Lopinavir-ritonavir has shown no improvement in time to clinical improvement which is seen in our meta-analyses (p=0.1). Remdesivir has shown no significant improvement in time to clinical improvement but this trial had insufficient power.DiscussionDue to the paucity in evidence, it is difficult to establish the efficacy of these drugs in the treatment of Covid-19 as currently there is no significant clinical effectiveness of the repurposed drugs. Further large clinical trials are required to achieve more reliable findings. A risk-benefit analysis is required on an individual basis to weigh out the potential improvement in clinical outcome and viral load reduction compared to the risks of the adverse events. (1-16)


2021 ◽  
Vol 16 (1) ◽  
Author(s):  
Naomi Kobayashi ◽  
Emi Kamono ◽  
Kento Maeda ◽  
Toshihiro Misumi ◽  
Yohei Yukizawa ◽  
...  

Abstract Background Of the several methods used to prevent surgical site infection (SSI), diluted povidone-iodine (PI) lavage is used widely. However, the clinical utility of PI for preventing periprosthetic joint infection (PJI) remains controversial. The aim of this study was to perform a systematic review and meta-analysis of the utility of dilute PI lavage for preventing PJI in primary and revision surgery. Methods This study was conducted in accordance with the PRISMA checklist for systematic reviews and meta-analyses. A comprehensive literature search of PubMed, CINAHL, ClinicalTrials.gov, and Cochrane Library databases was performed. The results are summarized qualitatively and as a meta-analysis of pooled odds ratios with 95% confidence intervals (95% CIs). Heterogeneity of treatment effects among studies was classified as low, moderate, or high, corresponding to I2 values of < 25%, 25–50%, and > 50%. A random effects model was applied in cases of high heterogeneity; otherwise, the fixed effects model was applied. Subgroup analyses were conducted to identify potential sources of heterogeneity. Results After the screening and eligibility assessment process, eight studies were finally extracted for analysis. Overall, the results showed that PI had no significant effect on PJI with ununified control group. However, subgroup analysis of studies with a saline control group revealed an odds ratio of 0.33 (95% CI, 0.16–0.71) for the PI group, suggesting a significant effect for preventing PJI. Conclusion The systematic review and meta-analysis of the current literature demonstrates that diluted PI lavage is significantly better than saline solution lavage for preventing PJI. Level of evidence Level I, Systematic review and meta-analysis.


Blood ◽  
2018 ◽  
Vol 132 (Supplement 1) ◽  
pp. 5640-5640
Author(s):  
Faiza Jamil ◽  
Madeeha Shafqat ◽  
Sharoon Samuel ◽  
Zunairah Shah ◽  
Ceren Durer ◽  
...  

Abstract Background: Elotuzumab (elo) is a humanized monoclonal antibody, which has been approved by the FDA for use in combination with lenalidomide (lena) and dexamethasone (dexa) in patients (pts) with relapsed and refractory multiple myeloma (RRMM). Elotuzumab is effective as a single agent, as well as in combination for multiple myeloma treatments, supporting the use of elo in pts with RRMM and newly diagnosed multiple myeloma (NDMM) pts. Method: After review of literature using database searches was done on 6/27/18 (Pubmed, Embase, Cochrane Library, Web of Science and Clinical Trials.gov), 9 prospective and 1 retrospective study with 1128 enrolled pts met the inclusion criteria to date in RRMM and 2 clinical trials including 123 pts in NDMM (Table 1). CMA software v.3 was used for meta-analysis. A random-effect model was applied. Result: Regimens used in RRMM: Based on pooled analysis (95% CI), an overall response rate (ORR) of 66% (54-76.2) was calculated in 685 evaluable pts treated with elo based regimens in RRMM (Figure 1). Most common grade (G) ≥ 3 hematological adverse events (HAE) and non-hematological adverse events (NHAE) based on regimen were calculated using pooled analysis in RRMM pts (Table 2). Anemia was noted in 12.1% ( 7.7-18.6) in 559 pts, while neutropenia in 14.5% (7.5-26.4) out of 591 pts and thrombocytopenia (tcp) in 11.9% (7.9-17.4) in 198 evaluable pts. Diarrhea 5.5% (3.6-8.3), pyrexia 2.4% (1.5-4), peripheral neuropathy (PN) 8.4% (3.8-17.8) were measured in 626, 668 and 143 pts respectively. Elotuzumab as monotherapy: 1 study (n=34) evaluated the efficacy of elo as single agent in RRMM. The median age, time from diagnosis and number of prior therapies were 64.5 years (y) (46-87), 4.4 y (0.9-12.8) and 4.5 y (2-10) respectively. It produced an ORR of 1.4% (0.1-19.1 95% CI) in 34 evaluable pts. Adverse events recorded were pyrexia and fatigue in 17.6% and 8.8% pts respectively. Elotuzumab in two drug regimen: In RRMM, 2 clinical trials (n=49) evaluated the efficacy (95% CI) of elo, ORR of 25% (4.1-72.3) was calculated. The best PFS (progression free survival) produced was in combination of elo 20 mg with bortezumib (bort) 1.3mg/m2 of 9.46 months as compared to 1.8 months when elo10mg/kg + dexamethasone (dexa) 28mg was used. In our analysis for safety, common G≥ 3 HAE calculated were, thrombocytopenia 8.7% (3.3-21.1) n=49, neutropenia 10.7 % (3.5-28.4) n=28 pts and anemia 7.1% (1.8-24.5) n=28 pts. NHAE included diarrhea 1.7% (0.1-22.3), PN 10.7% (3.5-28.4), pyrexia 1.7% (0.1-22.3) in 28 evaluable pts each. Elotuzumab in three drug regimen: In RRMM, 10 clinical trials including 602 pts evaluated the efficacy of elo as a part of triple drug regimen, producing an ORR of 72.2% (54-76.2). The best results were produced with the combination of elo 10-20mg/kg + lenalidomide (lena) 25mg + dexa 40mg producing a PFS of 32.2 mo and 28.62 mo in its phase I and II cohorts respectively. Based on pooled analysis (95% CI) common HAE calculated were neutropenia 17.5% (7.6-35.4) in n=563, thrombocytopenia 12.7% (8.2-19.4) in n=149 and anemia 13% (8-20.5) in n=531 pts. Common G ≥ 3 NHAE estimated were diarrhea 5.7% (3.7-8.6), PN 6.6% (2-19.2), pyrexia 2.5% (1.5-4.1) in 598, 115 and 640 pts respectively. Elotuzumab based regimen in NDMM: A currently ongoing clinical trial NCT02272803 has produced promising results in NDMM pts. As a part of three drug regimen with dose of elo 10mg/kg-20mg/kg, lena 25mg, dexa 20mg in 40 pts produced an ORR of 87.5% (73.2-95.8) versus control group of lena 25mg plus dexa 40mg in 42 pts with an ORR of 73.8% (58-86.1). The PFS rate recorded at 1 year was 93% (79-98%) and 91% (73-97%) respectively. The HAE G ≥ 3 included, neutropenia 18% and leukopenia 15%. In another study with 41 pts, elo was used in combination with lena, bort and dexa producing an ORR of 100% and greater than grade 3 adverse events including Tcp 15%, PN 2%. Conclusion: Results produced in our study suggest that elotuzumab is highly effective when used in pts with RRMM and NDMM. Combination regimens for elo produces an ORR ranging from 79-83% with elo + lena+ dexa, proving that the best results were produced by three drug regimens. Large prospective studies are required to evaluate efficacy and safety of elotuzumab in combination therapies. Disclosures No relevant conflicts of interest to declare.


BMJ Open ◽  
2019 ◽  
Vol 9 (9) ◽  
pp. e030919
Author(s):  
Qiyan Zheng ◽  
Huisheng Yang ◽  
Weijing Liu ◽  
Weiwei Sun ◽  
Qing Zhao ◽  
...  

ObjectivesThis study aimed to compare the effectiveness of 13 types of immunosuppressive agents used to treat idiopathic membranous nephropathy (IMN) in adults with nephrotic syndrome.DesignSystematic review and network meta-analysis.Data sourcesPubMed, EMbase, Cochrane Library, Web of Science, Clinical trials, SinoMed, Chinese Biomedicine, CNKI, WanFang and Chongqing VIP Information databases were comprehensively searched until February 2018.Eligibility criteriaRandomised clinical trials (RCTs) comparing the effects of different immunosuppressive treatments in adult patients with IMN and nephrotic syndrome were included, and all included RCTs had a study-duration of at least 6 months.Data extraction and synthesisTwo reviewers independently screened articles, extracted data and assessed study quality. Standard pairwise meta-analysis was performed using DerSimonian-Laird random-effects model.ResultsThis study ultimately included 48 RCTs with 2736 patients and 13 immunosuppressive agents. The network meta-analysis results showed that most regimens, except for leflunomide (LEF), mizoribine (MZB) and steroids (STE), showed significantly higher probabilities of total remission (TR) when compared with non-immunosuppressive therapies (the control group),with risk ratios (RRs) of 2.71 (95% CI) 1.81 to 4.06)for tacrolimus+tripterygium wilfordii (TAC+TW), 2.16 (1.27 to 3.69) foradrenocorticotropic hormone, 2.02 (1.64 to 2.49) for TAC, 2.03 (1.13 to3.64) for azathioprine (AZA), 1.91 (1.46 to 2.50) for cyclosporine (CsA), 1.86 (1.44 to2.42) for mycophenolate mofetil (MMF), 1.85 (1.52 to 2.25) for cyclophosphamide (CTX),1.81 (1.10 to 2.98) for rituximab (RIT), 1.80 (1.38 to 2.33) for TW, 1.72 (1.35 to 2.19) for chlorambucil. As for 24 hours UTP, the direct andindirect comparisons showed that AZA (standard mean difference (SMD), −1.02(95% CI −1.90 to −0.15)), CsA (SMD, −0.70 (95% CI −1.33 to −0.08)),CTX (SMD, −1.01 (95% CI −1.44 to -0.58)), MMF (SMD, −0.98 (95% CI −1.64 to −0.32)), MZB (SMD, −0.97 (95% CI −1.90 to−0.04]), TAC (SMD, −1.16 (95% CI −1.72 to −0.60)) and TAC+TW(SMD, −2.03 (95% CI −2.94 to −1.12)) could significantly superior thancontrol, except for chlorambucil, LEF, RIT and STE. Thechanges of serum creatinine (Scr) was not significantly different between eachtreatments of immunosuppressive agents and the control, except for STE whichhas the possibility of increasing Scr (SMD, 1.00 (95% CI 0.36 to 1.64)).Comparisons among all treatments of immunosuppressive agents showed nostatistical significance in the outcome of relapse. A drenocorticotropichormone (85.1%) showed the lowest probability of relapse under the cumulativeranking curve values among all immunosuppressants. Infection,gastrointestinal symptoms, and bone marrow suppression were the common adverseevents associated with most of the immunosuppressive therapies.ConclusionsThis study demonstrates that TAC+TW, TAC and CTX are superior to other immunosuppressive agents in terms of TR and 24 hours UTP. Moreover, they are all at risk of infection, gastrointestinal symptoms, and myelosuppression. Furthermore, TAC could increase the risk of glucose intolerance or new-onset diabetes mellitus. Conversely, STE alone, LEF and MZB seem to have little advantage in clinical treatment of IMN.PROSPERO registration numberCRD42018094228.


Life ◽  
2021 ◽  
Vol 11 (11) ◽  
pp. 1277
Author(s):  
Yixi Zhang ◽  
Bin La ◽  
Baosheng Liang ◽  
Yangchun Gu

Objective: to evaluate the risk of treatment-related adverse events of different severity and different system with PD-1 or PD-L1 inhibitors. Methods: randomized controlled trials (RCTs) that using PD-1/PD-L1 for cancer treatment were searched in the PubMed, Embase, Cochrane Library, and Web of Science from 1 January 2019 to 31 May 2021. Adverse events data were extracted from clinical trials website or original article by two authors separately. Meta-analysis was used to determine risk ratio (RR) and 95% confidence interval (95% CI) of adverse events in PD-1/PD-L1 inhibitors groups compared to that of control groups. Subgroup analyses were also performed. Results: a total of 5,807 studies were initially identified and after exclusion, 41 studies were included in meta-analysis. All the trials were international multicenter, randomized, phase II/III clinical trials, with the median follow-up of 27.5 months on average. Analysis of all grade adverse events showed that PD-1/PD-L1 inhibitors treatment significantly increased the risk of immune-related adverse events, including pruritus (RR: 2.34, 95% CI: 1.85–2.96), rash (RR: 1.53, 95% CI: 1.25–1.87), ALT elevation (RR 1.54, 95% CI 1.23–1.92), AST elevation (AST: RR 1.49, 95% CI 1.20–1.85), hepatitis (RR: 3.54, 95% CI: 1.96–6.38) and hypothyroid (RR: 5.29, 95% CI: 4.00–6.99) compared with that of control group. Besides that, PD-1/PD-L1 inhibitors were associated with higher risk of adverse events related to respiratory system including cough (RR: 1.33, 95% CI: 1.21–1.48), dyspnea (RR:1.23, 95% CI: 1.12–1.35) and chest pain (RR: 1.26, 95% CI: 1.07–1.47) compared with that of control groups in our meta-analysis and the dyspnea was taken high risk both in all grade and grade 3 or higher (RR: 1.55, 95% CI: 1.13–2.12). The risk of arthralgia was increased with PD-1/PD-L1 inhibitors (RR: 1.27, 95% CI: 1.10–1.47). Although the risk of myalgia was similar with PD-1/PD-L1 inhibitors and control groups, under subgroup analysis, PD-1/PD-L1 inhibitors decreased the risk of myalgia (RR: 0.56, 95% CI: 0.45–0.70) compared with that of chemotherapy. Conclusions: our results provide clear evidence that the risk of treatment-related adverse events in PD-1 or PD-L1 varies widely in different system. In particular, when using PD-1/PD-L1 inhibitors for oncology treatment, besides the common immune-related adverse events like pruritus, rash, hepatitis, and hypothyroid, the respiratory disorders and musculoskeletal disorders, such as cough, dyspnea, arthralgia, and myalgia, should also be taken into consideration.


2015 ◽  
Vol 2015 ◽  
pp. 1-11 ◽  
Author(s):  
Xiaoqun Liu ◽  
Hui Wang ◽  
Zhifa Lv ◽  
Youhua Wang ◽  
Ben Wang ◽  
...  

Background. To conduct a systematic review and meta-analysis of clinical trials for eradication ofHelicobacter pylori(H. pylori) that included a treatment arm with a proton pump inhibitor, rifabutin, and amoxicillin.Materials and Methods. We selected clinical trials that examined the efficacy ofH. pylorieradication therapies and included a study arm using the test regimen from major medical literature databases and abstracts from major gastroenterology meetings. We also did subgroup and sensitivity analyses.Results. Twenty-one studies were included in systematic review. The total eradication rates of the test regimen were 70.4% by intent-to-treat (ITT) and 72.0% by per-protocol (PP) analyses. The pooled odds ratio (OR) was 0.55 using fixed effects model (P=0.283) for the test regimen versus other triple regimens. The total eradication rates were 68.4% for the test regimen and 81.9% in the control group by ITT, while the OR was 1.08 using random effects model (P=0.019). The pooled eradication rate was 66.4% for the test regimen and 67.4% for the control group by ITT. The total adverse effects incidence were 25.1% for the test regimen.Conclusions. The test regimen forH. pylorirescue therapy may be not superior to control regimens in efficacy.


2020 ◽  
Author(s):  
Jianbo Li ◽  
Xuelian Liao ◽  
Yue Zhou ◽  
Luping Wang ◽  
Hang Yang ◽  
...  

Abstract BackgroundThe response to glucocorticoids treatment may be different between Covid-19 and SARS. MethodsIn this systematic review and meta-analysis, we searched studies on Medline, Embase, EBSCO, ScienceDirect, Web of Science, Cochrane Library, ClinicalTrials.gov, ICTRP from 2002 to October 7, 2020. We used fixed-effects and random-effects models to compute the risk ratio of death in the group receiving glucocorticoids treatment and the control group for COVID-19 and SARS, respectively.ResultsTen trials and 71 observational studies, with a total of 45935 patients, were identified. Glucocorticoids treatment, was associated with decreased all-cause mortality both in COVID-19 (risk ratio, 0.88; 95% confidence interval, 0.82 to 0.94; I2=26%) and SARS (0.48; 0.29 to 0.79; 10%), based on high quality evidence, as well as decreased all-cause mortality-including composite outcome of COVID-19 (0.89; 0.82 to 0.98; 0%). In subgroup analyses, all-cause mortality was significantly lower among COVID-19 patients being accompanied by severe ARDS but not mild ARDS, taking low-dose or pulse glucocorticoids, being critically severe but not only severe, being of critical severity and old but not young, being of critical severity and men but not women, non-early taking glucocorticoids and taking dexamethasone or methylprednisolone; but for SARS, lower mortality were observed among those who were taking medium-high dose glucocorticoids, being severe or critically severe, early taking glucocorticoids, and taking dexamethasone or prednisolone. ConclusionsGlucocorticoids treatment reduced mortality in COVID-19 and SARS patients of critical severity; however, different curative effects existed between the two diseases among subpopulations, mainly regarding sex- and age-specific effects, optimal doses and use timing of glucocorticoids.


2021 ◽  
Vol 11 ◽  
Author(s):  
Wenfeng Liu ◽  
Bing Quan ◽  
Shenxin Lu ◽  
Bei Tang ◽  
Miao Li ◽  
...  

ObjectiveSeveral new first-line treatments were recently approved for unresectable hepatocellular carcinoma (HCC). In this meta-analysis, we compare the efficacy and safety of first-line systemic treatments to provide information for clinical decision making in unresectable HCC.MethodsPubmed, Science Direct, Web of Science, Scopus, Ovid MEDLINE, Embase, Google Scholar, the Cochrane Library, EMbase, CNKI, CBM, VIP, and the Wanfang databases, as well as the Cochrane Central Register of Controlled Trails were searched for randomized clinical trials evaluating the efficacy of first-line chemotherapy, molecular targeted therapy, or immunotherapy for unresectable HCC. Hazard ratios with 95% confidence intervals (CIs) were calculated to explore the effects of various treatment options on overall survival (OS) and progression-free survival (PFS), whereas odd ratios with 95% CIs were used for adverse events (AEs) and serious adverse events (SAEs). A network meta-analysis was performed to synthesize data and for direct and indirect comparisons between treatments. The cumulative ranking curve (SUCRA) and P score were used to rank treatments. The risk of bias across studies was assessed graphically and numerically using the funnel plot and Egger’s regression test.ResultsFifteen studies including 9005 patients were analyzed. Sintilimab plus bevacizumab, atezolizumab plus bevacizumab, and donafenib had better OS outcomes than sorafenib. Sintilimab plus bevacizumab, atezolizumab plus bevacizumab, lenvatinib, and linifanib had better PFS outcomes than sorafenib. The results of network meta-analysis showed that sintilimab plus bevacizumab was associated with the best OS and PFS. Egger’s tests indicated that none of the included studies had obvious publication deviation.ConclusionSintilimab plus bevacizumab showed the best OS and PFS outcomes with no additional AEs or SAEs. Thus, sintilimab plus bevacizumab may be a better first line choice for the treatment of patients with unresectable HCC.Systematic Review RegistrationPROSPEROI [https://www.crd.york.ac.uk/PROSPERO/index.php], identifier CRD42021269734.


2021 ◽  
pp. 174749302110042
Author(s):  
Grace Mary Turner ◽  
Christel McMullan ◽  
Olalekan Lee Aiyegbusi ◽  
Danai Bem ◽  
Tom Marshall ◽  
...  

Aims To investigate the association between TBI and stroke risk. Summary of review We undertook a systematic review of MEDLINE, EMBASE, CINAHL, and The Cochrane Library from inception to 4th December 2020. We used random-effects meta-analysis to pool hazard ratios (HR) for studies which reported stroke risk post-TBI compared to controls. Searches identified 10,501 records; 58 full texts were assessed for eligibility and 18 met the inclusion criteria. The review included a large sample size of 2,606,379 participants from four countries. Six studies included a non-TBI control group, all found TBI patients had significantly increased risk of stroke compared to controls (pooled HR 1.86; 95% CI 1.46-2.37). Findings suggest stroke risk may be highest in the first four months post-TBI, but remains significant up to five years post-TBI. TBI appears to be associated with increased stroke risk regardless of severity or subtype of TBI. There was some evidence to suggest an association between reduced stroke risk post-TBI and Vitamin K antagonists and statins, but increased stroke risk with certain classes of antidepressants. Conclusion TBI is an independent risk factor for stroke, regardless of TBI severity or type. Post-TBI review and management of risk factors for stroke may be warranted.


2021 ◽  
pp. 1-11
Author(s):  
Oswald D. Kothgassner ◽  
Andreas Goreis ◽  
Kealagh Robinson ◽  
Mercedes M. Huscsava ◽  
Christian Schmahl ◽  
...  

Abstract Background Given the widespread nature and clinical consequences of self-harm and suicidal ideation among adolescents, establishing the efficacy of developmentally appropriate treatments that reduce both self-harm and suicidal ideation in the context of broader adolescent psychopathology is critical. Methods We conducted a systematic review and meta-analysis of the Dialectical Behaviour Therapy for Adolescents (DBT-A) literature on treating self-injury in adolescents (12–19 years). We searched for eligible trials and treatment evaluations published prior to July 2020 in MEDLINE/PubMed, Scopus, Google Scholar, EMBASE, and the Cochrane Library databases for clinical trials. Twenty-one studies were identified [five randomized-controlled trials (RCTs), three controlled clinical trials (CCTs), and 13 pre-post evaluations]. We extracted data for predefined primary (self-harm, suicidal ideation) and secondary outcomes (borderline personality symptoms; BPD) and calculated treatment effects for RCTs/CCTs and pre-post evaluations. This meta-analysis was pre-registered with OSF: osf.io/v83e7. Results Overall, the studies comprised 1673 adolescents. Compared to control groups, DBT-A showed small to moderate effects for reducing self-harm (g = −0.44; 95% CI −0.81 to −0.07) and suicidal ideation (g = −0.31, 95% CI −0.52 to −0.09). Pre-post evaluations suggested large effects for all outcomes (self-harm: g = −0.98, 95% CI −1.15 to −0.81; suicidal ideation: g = −1.16, 95% CI −1.51 to −0.80; BPD symptoms: g = −0.97, 95% CI −1.31 to −0.63). Conclusions DBT-A appears to be a valuable treatment in reducing both adolescent self-harm and suicidal ideation. However, evidence that DBT-A reduces BPD symptoms was only found in pre-post evaluations.


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