Safety and Pharmacokinetics of the Anti-Orthopoxvirus Compound ST-246 following a Single Daily Oral Dose for 14 Days in Human Volunteers

ABSTRACTST-246 is being evaluated as a treatment for pathogenic orthopoxvirus infections in humans. To this end, a phase 2, double-blind, randomized, placebo-controlled, multicenter trial was conducted to assess the safety, tolerability, and pharmacokinetics (PK) of ST-246 when administered as a single daily oral dose (400 mg or 600 mg) for 14 days in fed adult volunteers. ST-246 was safe and well tolerated, with no deaths or serious adverse events reported during the study. There was a low incidence of treatment-emergent adverse events (TEAEs), the most common of which were mild nausea and headache. There were no clinically significant results from laboratory assessments, vital sign measurements, physical examinations, or electrocardiograms. The PK and dose proportionality of ST-246 were determined. The PK analysis showed that steady state was achieved by day 5 for the ST-246 400-mg treatment group and by day 6 for the 600-mg group. The dose proportionality analysis showed that the 400- and 600-mg ratio of dose-normalized peak drug concentration in plasma (Cmax) and relative exposure for each dosing interval (AUCτ) ranged from 80% to 85%. However, the 90% confidence intervals did not include 1.0, so dose proportionality could not be concluded. Overall, ST-246 was shown to be safe, and the PK was predictable. These results support further testing of ST-246 in a multicenter pivotal clinical safety study for licensure application.

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Randomized Double-blind Placebo-controlled Proof-of-concept Trial of Resveratrol for Outpatient Treatment of Mild Coronavirus Disease (COVID-19)

10.21203/rs.3.rs-861831/v1 ◽

2021 ◽

Author(s):

Marvin R. McCreary ◽

Patrick M. Schnell ◽

Dale A. Rhoda

Keyword(s):

Pulmonary Embolism ◽

Adverse Events ◽

Small Sample Size ◽

Primary Outcome Measure ◽

Small Sample ◽

Double Blind ◽

Phase 2 Study ◽

Clinically Significant ◽

Low Incidence ◽

To Receive

Abstract Resveratrol is a polyphenol that has been well studied and has demonstrated anti-viral and anti-inflammatory properties that might mitigate the effects of COVID-19. Outpatients (N=105) were recruited from central Ohio in late 2020. Participants were randomly assigned to receive placebo or resveratrol. Both groups received a single dose of Vitamin D3 which was used as an adjunct. The primary outcome measure was hospitalization within 21 days of symptom onset; secondary measures were ER visits, incidence of pneumonia and pulmonary embolism. Five patients chose not to participate after randomization. Twenty-one day outcome was determined of all one hundred participants (mean [SD] age 55.6 [8.8] years; 61% female) (or their surrogates). There were no clinically significant adverse events attributed to resveratrol. Outpatients in this phase 2 study treated with resveratrol had a lower incidence compared to placebo of: hospitalization (2% vs. 6%, RR 0.33, 95% CI 0.04-3.10), COVID-related ER visits (8% vs. 14%, RR 0.57, 95% CI 0.18-1.83), and pneumonia (8% vs. 16%, RR 0.5, 95% CI 0.16-1.55). One patient (2%) in each group developed pulmonary embolism (RR 1.00, 95% CI: 0.06-15.55). This underpowered study was limited by small sample size and low incidence of primary adverse events. A larger trial could determine efficacy.TRIAL REGISTRATIONS: ClinicalTrials.gov NCT04400890 26/05/2020; FDA IND #150033 05/05/2020

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Worldwide Assessment of Linezolid's Clinical Safety and Tolerability: Comparator-Controlled Phase III Studies

Antimicrobial Agents and Chemotherapy ◽

10.1128/aac.47.6.1824-1831.2003 ◽

2003 ◽

Vol 47 (6) ◽

pp. 1824-1831 ◽

Cited By ~ 118

Author(s):

Ethan Rubinstein ◽

Raul Isturiz ◽

Harold C. Standiford ◽

Leon G. Smith ◽

Thomas H. Oliphant ◽

...

Keyword(s):

Adverse Events ◽

Safety Data ◽

Multidrug Resistant ◽

Community Acquired Pneumonia ◽

Phase Iii ◽

Serious Adverse Events ◽

Clinical Safety ◽

Clinical Benefits ◽

Safety Assessments ◽

Clinically Significant

ABSTRACT Linezolid, an oxazolidinone antibiotic, has 100% oral bioavailability and favorable activities against gram-positive pathogens including multidrug-resistant staphylococci, enterococci, and pneumococci. Safety assessments were conducted for 2,046 linezolid-treated patients and 2,001 comparator drug-treated patients from seven controlled clinical trials comparing the activities of linezolid and comparator drugs against nosocomial and community-acquired pneumonia, skin and skin structure infections, and methicillin-resistant staphylococcal infections. Drug-related adverse events were primarily transient. The most frequent (≥2%) adverse events caused by linezolid and the comparator drugs were diarrhea (4.3 and 3.2%, respectively; P = 0.074), nausea (3.4 and 2.3%, respectively; P = 0.036), and headache (2.2 and 1.3%, respectively; P = 0.047). Treatment discontinuations due to drug-related events (2.4 and 1.9%, respectively), serious adverse events (11.4 and 10.6%, respectively), and deaths (4.8 and 4.9%, respectively) were similar. No clinically significant drug-related hematologic events were reported, and laboratory safety data were comparable. In the first 6 months of postmarketing surveillance, hematologic abnormalities were reported in 0.1% of linezolid-treated patients, but no irreversible blood dyscrasias were documented. The risk for transient, reversible hematologic effects from treatment with linezolid should be considered together with the clinical benefits associated with its use.

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Combination treatment of patients with metabolic phenotype of osteoarthritis: an exploratory study

Medical Immunology (Russia) ◽

10.15789/1563-0625-cto-2046 ◽

2020 ◽

Vol 22 (5) ◽

pp. 933-942

Author(s):

V. S. Shirinsky ◽

N. Yu. Kalinovskaya ◽

E. Yu. Filatova ◽

I. V. Shirinsky

Keyword(s):

Adverse Events ◽

Combination Treatment ◽

Synergistic Effects ◽

Pain Scale ◽

Metabolic Phenotype ◽

Womac Pain ◽

Open Label ◽

Serious Adverse Events ◽

Double Blind ◽

Clinically Significant

Treatment of osteoarthritis (OA) patients with comorbidities can be challenging due to adverse events and non-sufficient efficacy of modern drugs. A safe and effective alternative could be the methods of traditional medicine and their combinations. The aim of this study was to evaluate efficacy and safety of combination of curcuma-based parapharmaceutical preparation and acupuncture in metabolic phenotype of OA (MPOA). The trial design was pilot open-label “before – after” study with the duration of 12 weeks. The patients with MPOA received parapharmaceutical preparation Epigenorm Antivir in a daily dose of 1000 mg and underwent 15-20 sessions of classical acupuncture. We enrolled twenty three women with metabolic syndrome (MS), clinical and radiographic signs of gonarthrosis, mean age 66.5 years, mean body mass index 34.5. At the end of treatment there was a decrease in pain levels according to visual analogue scale (VAS) (before 65 (12.7), after 24.6 (21.0), р=0.001), WOMAC pain scale (before 210.6 (102.2), after 103 (80.8), p = 0.014), KOOS (before 47.8 (12.1), after 66.7 (16.2), р = 0.001). The treatment resulted in statistically significant improvement of daily and social activities, role functioning, and quality of life. The results were clinically significant as evidenced by the moderate (Cohen d > 0.5) and large (Cohen d > 0.8) effect sizes of most outcome changes in accordance with the Cohen classification. The clinical improvement was accompanied by the decrease in MS components – LDL cholesterol (before 3.26 (0.26) mmol/l, after 2.43 (0.2) mmol/l, р = 0.001), triglycerides (before 2.02 (0.16) mmol/l, after 1.31 (0.1) mmol/l, р = 0.005). The treatment resulted in the reduction of systemic inflammation as evidenced by the decrease in the concentrations of TNFα (before 15.9 (1.2) pg/ml, after 12.4 (0.8), р = 0.002), histamine (before 1.6 (0.2) ng/ml, after 0.7 (0.2) pg/ml, р = 0.034), IL-18 (before 208.8 (32.6 ) pg/ml, after 160.0 (26.0) pg/ml, р = 0.002) and CRP (before 6.05 (1.3) mg/l, after 3.2 (0.7) mg/l, р = 0.022). At the same time there was an increase of concentration of IL-10 (before 1.5 (0.7) pg/ml, after 3.8 (1.2), р = 0,006) and adiponectin (before 34.0 (5.6) pg/ml, after 40.0 (6.9), р = 0.034). The treatment was well tolerated, no serious adverse events were registered. The pleiotropic actions of combination treatment occured probably due to synergistic effects of herbal therapies and acupunctures. The results provide a rationale for larger scale, randomized controlled double-blind clinical trials.

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Tonabersat, a Gap-Junction Modulator: Efficacy and Safety in Two Randomized, Placebo-Controlled, Dose-Ranging Studies of Acute Migraineceph

Cephalalgia ◽

10.1111/j.1468-2982.2009.01974.x ◽

2009 ◽

Vol 29 (2_suppl) ◽

pp. 17-27 ◽

Cited By ~ 31

Author(s):

SD Silberstein ◽

J Schoenen ◽

H Göbel ◽

HC Diener ◽

AH Elkind ◽

...

Keyword(s):

Adverse Events ◽

North American ◽

Cortical Spreading Depression ◽

Spreading Depression ◽

Plasma Concentrations ◽

International Study ◽

Maximum Plasma ◽

Serious Adverse Events ◽

Double Blind ◽

Dose Ranging

Tonabersat is a novel benzopyran derivative that blocks the cortical spreading depression proposed to be associated with migraine attacks. The ability of single oral doses of 15, 25, 40 and 80 mg of tonabersat to relieve the symptoms of moderate to severe migraine was evaluated in 859 migraineurs enrolled in two dose-ranging, double-blind, randomized, placebo-controlled, parallel-group trials, one international and the other North American. In the international study, significantly more patients given tonabersat than given placebo experienced relief of headache pain at 2 h (15 mg, 36.8%; 40 mg, 40.7%), the principal efficacy variable, and at 4 h (40 mg, 63.0%) and complete abolition of headache at 4 h (40 mg, 34.3%). None of the primary or secondary efficacy variables indicated significant differences between tonabersat and placebo in the North American study. Tonabersat was generally well tolerated, with dizziness and nausea the most common side-effects. Serious adverse events were uncommon, and no patient withdrew from either study because of adverse events. These results suggest a possible interplay between tonabersat pharmacokinetics (the relatively long time required to reach maximum plasma concentrations) and patient characteristics (previous triptan exposure) in the management of acute migraine attacks. Based on the pharmacokinetics and actions on cortical spreading depression, tonabersat may have potential value in migraine prophylaxis.

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Adverse events and blinding in two randomized trials of hyperbaric oxygen for persistent post-concussive symptoms

Undersea and Hyperbaric Medicine ◽

10.22462/13.15.2019.10 ◽

2019 ◽

pp. 331-340

Author(s):

Susan Churchill ◽

◽

Kayla Deru ◽

Lindell K. Weaver ◽

Steffanie H. Wilson ◽

...

Keyword(s):

Clinical Trials ◽

Adverse Events ◽

Hyperbaric Oxygen ◽

Gas Flow ◽

Randomized Trials ◽

Symptom Improvement ◽

Sham Control ◽

Serious Adverse Events ◽

Double Blind ◽

To Receive

Safety monitoring and successful blinding are important features of randomized, blinded clinical trials. We report chamber- and protocol-related adverse events (AEs) for participants enrolled in two randomized, double-blind clinical trials of hyperbaric oxygen (HBO2) for persistent post-concussive symptoms clinicaltrials.gov identifiers NCT01306968, HOPPS, and NCT01611194, BIMA), as well as the success of maintaining the blind with a low-pressure sham control arm. In both studies, participants were randomized to receive HBO2 (1.5 atmospheres absolute, >99% oxygen) or sham chamber sessions (1.2 atmospheres absolute, room air). In 143 participants undergoing 4,245 chamber sessions, chamber-related adverse events were rare (1.1% in the HOPPS study, 2.2% in the BIMA study). Minor, non-limiting barotrauma was the most frequently reported. Rarely, some participants experienced headache with chamber sessions. No serious adverse events were associated with chamber sessions. An allocation questionnaire completed after intervention revealed that the sham control arm adequately protected the blind in both trials. Participants based allocation assumptions on symptom improvement or lack of symptom improvement and could not discern intervention arm by pressure, smell, taste, or gas flow.

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Thorough QT Study to Evaluate the Effect of Zoliflodacin, a Novel Therapeutic for Gonorrhea, on Cardiac Repolarization in Healthy Adults

Antimicrobial Agents and Chemotherapy ◽

10.1128/aac.01292-21 ◽

2021 ◽

Author(s):

Lori M. Newman ◽

Martin Kankam ◽

Aya Nakamura ◽

Tom Conrad ◽

John Mueller ◽

...

Keyword(s):

Oral Dose ◽

Single Oral Dose ◽

Cardiac Repolarization ◽

Cardiac Safety ◽

Double Blind ◽

Thorough Qt Study ◽

Regulatory Guidelines ◽

Clinically Significant ◽

The One ◽

Global Threat

Zoliflodacin is a novel spiropyrimidinetrione antibiotic being developed as single oral dose treatment to address the growing global threat of Neisseria gonorrhoeae . To evaluate the cardiac safety of zoliflodacin, a thorough QT/QTc (TQT) study was performed in healthy subjects. In this randomized, double-blind, placebo-controlled, 4-period crossover study, 72 subjects in a fasted state received a single dose of zoliflodacin 2 g (therapeutic), zoliflodacin 4 g (supratherapeutic), placebo, and moxifloxacin 400 mg as a positive comparator. Cardiac repolarization was measured by duration of the corrected QT interval by Fridericia’s formula (QTcF). At each time point up to 24 hours after zoliflodacin administration, the upper limit of the one-sided 95% confidence interval (CI) for the placebo-corrected change from the pre-dose baseline in QTcF (ΔΔQTcF) was less than 10 ms, indicating an absence of a clinically meaningful increase in QT prolongation. The lower limit of the one-sided multiplicity-adjusted 95% CI of ΔΔQTcF for moxifloxacin was longer than 5 ms at four time points from 1-4 hours after dosing, demonstrating adequate sensitivity of the QTc measurement. There were no clinically significant effects on heart rate, PR and QRS intervals, ECG morphology, or laboratory values. Treatment-emergent adverse events (AEs) were mild or moderate in severity and transient. This was a negative TQT study according to regulatory guidelines (E14) and confirms that a single oral dose of zoliflodacin is safe and well-tolerated. These findings suggest zoliflodacin is not proarrhythmic and contribute to the favorable assessment of cardiac safety for a single oral dose of zoliflodacin.

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Safety, pharmacokinetics and antiviral activity of PGT121, a broadly neutralizing monoclonal antibody against HIV-1: a randomized, placebo-controlled, phase 1 clinical trial

Nature Medicine ◽

10.1038/s41591-021-01509-0 ◽

2021 ◽

Author(s):

Kathryn E. Stephenson ◽

Boris Julg ◽

C. Sabrina Tan ◽

Rebecca Zash ◽

Stephen R. Walsh ◽

...

Keyword(s):

Viral Load ◽

T Cell ◽

Adverse Events ◽

Antiviral Activity ◽

Controlled Trial ◽

Phase 1 ◽

Serious Adverse Events ◽

Double Blind ◽

Cell Counts ◽

Hiv 1

AbstractHuman immunodeficiency virus (HIV)-1-specific broadly neutralizing monoclonal antibodies are currently under development to treat and prevent HIV-1 infection. We performed a single-center, randomized, double-blind, dose-escalation, placebo-controlled trial of a single administration of the HIV-1 V3-glycan-specific antibody PGT121 at 3, 10 and 30 mg kg–1 in HIV-uninfected adults and HIV-infected adults on antiretroviral therapy (ART), as well as a multicenter, open-label trial of one infusion of PGT121 at 30 mg kg–1 in viremic HIV-infected adults not on ART (no. NCT02960581). The primary endpoints were safety and tolerability, pharmacokinetics (PK) and antiviral activity in viremic HIV-infected adults not on ART. The secondary endpoints were changes in anti-PGT121 antibody titers and CD4+ T-cell count, and development of HIV-1 sequence variations associated with PGT121 resistance. Among 48 participants enrolled, no treatment-related serious adverse events, potential immune-mediated diseases or Grade 3 or higher adverse events were reported. The most common reactions among PGT121 recipients were intravenous/injection site tenderness, pain and headache. Absolute and relative CD4+ T-cell counts did not change following PGT121 infusion in HIV-infected participants. Neutralizing anti-drug antibodies were not elicited. PGT121 reduced plasma HIV RNA levels by a median of 1.77 log in viremic participants, with a viral load nadir at a median of 8.5 days. Two individuals with low baseline viral loads experienced ART-free viral suppression for ≥168 days following antibody infusion, and rebound viruses in these individuals demonstrated full or partial PGT121 sensitivity. The trial met the prespecified endpoints. These data suggest that further investigation of the potential of antibody-based therapeutic strategies for long-term suppression of HIV is warranted, including in individuals off ART and with low viral load.

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Phase III double-blind study comparing the efficacy and safety of proposed biosimilar MYL-1402O and reference bevacizumab in stage IV non-small-cell lung cancer

Therapeutic Advances in Medical Oncology ◽

10.1177/17588359211045845 ◽

2021 ◽

Vol 13 ◽

pp. 175883592110458

Author(s):

Mark A. Socinski ◽

Cornelius F. Waller ◽

Tazeen Idris ◽

Igor Bondarenko ◽

Alexander Luft ◽

...

Keyword(s):

Lung Cancer ◽

Adverse Events ◽

Small Cell Lung Cancer ◽

Cell Lung Cancer ◽

Small Cell ◽

Phase Iii ◽

European Medicines Agency ◽

Small Cell Lung ◽

Serious Adverse Events ◽

Double Blind

Purpose: This phase III study compared the efficacy and safety of proposed biosimilar MYL-1402O with reference bevacizumab (BEV), as first-line treatment for patients with stage IV non-squamous non-small-cell lung cancer. Patients and methods: Patients were randomly assigned (1:1) to receive MYL-1402O or bevacizumab with carboplatin-paclitaxel up to 18 weeks (6 cycles), followed by up to 24 weeks (8 cycles) of bevacizumab monotherapy. The primary objective was comparison of overall response rate (ORR), based on independently reviewed best tumor responses as assessed during the first 18 weeks. ORR was analyzed per US Food and Drug Administration (ratio of ORR) and European Medicines Agency (difference in ORRs) requirements for equivalence evaluation. Secondary end points included progression-free survival, disease control rate, duration of response, overall survival, safety, and immunogenicity over a period of 42 weeks, and pharmacokinetics (up to 18 weeks). Results: A total of 671 patients were included in the intent-to-treat population. The ratio of ORR was 0.96 [confidence interval (CI) 0.83, 1.12] and the difference in ORR was −1.6 (CI −9.0, 5.9) between treatment arms; CIs were within the predefined equivalence margins. Overall, the incidence of treatment-emergent adverse events and serious adverse events was comparable. Treatment-emergent anti-drug antibody (ADA) positivity was transient, with no notable differences between treatment arms (6.5% versus 4.8% ADA positivity rate in MYL-1402O versus BEV, respectively). The incidence of neutralizing antibody post-baseline was lower in the MYL-1402O arm (0.6%) compared to the bevacizumab arm (2.5%). Conclusions: MYL-1402O is therapeutically equivalent to bevacizumab, based on the ORR analyses, with comparable secondary endpoints. Trial Registry Information EU Clinical Trials Register, Registration # EudraCT no. 2015-005141-32 https://www.clinicaltrialsregister.eu/ctr-search/search?query=2015-005141-32 Plain language summary Previous studies established bioequivalence of the proposed bevacizumab biosimilar MYL-1402O to reference bevacizumab. In this randomized, double-blind, phase III trial, MYL-1402O ( n = 337) demonstrated comparable efficacy to bevacizumab ( n = 334) in treating advanced non-squamous non-small-cell lung cancer per Food and Drug Administration and European Medicines Agency requirements for equivalence; the ratio of objective response rate (ORR) was 0.96 [90% confidence interval (CI) 0.83, 1.12] and the difference in ORR (MYL-1402O:bevacizumab) was −1.6 (95% CI −9.0, 5.9). Median progression-free survival at 42 weeks was comparable: 7.6 (7.0, 9.5) with MYL-1402O versus 9.0 (7.2, 9.7) months ( p = 0.0906) with bevacizumab, by independent review. Treatment-emergent adverse events leading to death (2.4% vs 1.5%), serious adverse events (17.6% vs 16.7%), and antidrug antibodies (6.5% vs 4.8%), were comparable in the MYL-1402O vs bevacizumab arms, respectively. The incidence of neutralizing antibody post-baseline was lower with MYL-1402O (0.6%) than with bevacizumab (2.5%). These findings confirm therapeutic equivalence of MYL-1402O to bevacizumab, providing opportunities for improving access to bevacizumab.

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Pharmacokinetics and safety of XAV-19, a swine glyco-humanized polyclonal anti-SARS-CoV-2 antibody, for COVID-19-related moderate pneumonia: a randomized, double-blind, placebo-controlled, phase IIa study

Antimicrobial Agents and Chemotherapy ◽

10.1128/aac.01237-21 ◽

2021 ◽

Author(s):

Benjamin Gaborit ◽

Eric Dailly ◽

Bernard Vanhove ◽

Régis Josien ◽

Karine Lacombe ◽

...

Keyword(s):

Adverse Events ◽

High Serum ◽

Serum Concentrations ◽

Serious Adverse Events ◽

Double Blind ◽

Good Tolerability ◽

Group 3 ◽

Group 2 ◽

Group 1

Objective: We assessed the pharmacokinetics and safety of XAV-19, a swine glyco-humanized polyclonal antibody against SARS-CoV-2, in COVID-19-related moderate pneumonia. To evaluate the optimal dose and safety of XAV-19 during this first administration to patients with COVID-19-related moderate pneumonia. Methods : In this phase 2a trial, adults with COVID-19-related moderate pneumonia of ≤10 days duration were randomized to infusion of XAV-19 0.5mg/kg at day 1 and day 5 (group 1), 2mg/kg at day 1 and day 5 (group 2), 2mg/kg at day 1 (group 3) or placebo. Results : Eighteen patients (n=7 for group 1, n=1 for group 2, n=5 for group 3, and n=5 for placebo) were enrolled. Baseline characteristics were similar across groups, XAV-19 serum concentrations (μg/mL, median, range) at C max and at day 8 were 9.1 (5.2-18.1) and 6.4 (2.8-11.9), 71.5 and 47.2, and 50.4 (29.1-55.0) and 20.3 (12.0-22.7) for groups 1, 2 and 3, respectively (p=0.012). Terminal half-life (median, range) was estimated at 11.4 (5.5-13.9) days for 2 mg/kg of XAV-19 at day 1. Serum XAV-19 concentrations were above the target concentration of 10 μg/mL (tow fold the in vitro 100% inhibitory concentration [IC 100 ]) from the end of perfusion to more than 8 days for XAV-19 2 mg/kg at day 1. No hypersensitivity or infusion-related reactions were reported during treatment, there was no discontinuation for adverse events and no serious adverse events related to study drug. Conclusions : Single intravenous dose of 2mg/kg of XAV-19 demonstrated high serum concentrations, predictive of potent durable neutralizing activity with good tolerability. Trial registration: ClinicalTrials.gov Identifier: NCT04453384

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A Controlled Trial of Extended-Release Guanfacine and Psychostimulants on Executive Function and ADHD

Journal of Attention Disorders ◽

10.1177/1087054717751197 ◽

2018 ◽

Vol 24 (2) ◽

pp. 318-325 ◽

Cited By ~ 1

Author(s):

Judy P. M. van Stralen

Keyword(s):

Executive Function ◽

Adverse Events ◽

Extended Release ◽

Rating Scale ◽

Controlled Trial ◽

Severity Of Illness ◽

P Value ◽

Serious Adverse Events ◽

Double Blind ◽

Stimulant Therapy

Objective: To evaluate the effectiveness of guanfacine extended-release (GXR) versus placebo as adjunct therapy to usual care stimulant therapy in improving executive function in children aged 6 to 12 years diagnosed with ADHD. Method: In this single center, double-blind placebo-controlled crossover trial, subjects continued to take their psychostimulant and were randomly assigned at baseline to receive active treatment or placebo first. Efficacy measures included Behavioural Rating Inventory of Executive Function (BRIEF-P), ADHD Rating Scale IV (ADHD-RS IV), and Clinical Global Impressions of Severity of Illness (CGI-S) and Improvement (CGI-I) scales. Safety measures included adverse events and vital signs. Results: Significant benefits of GXR plus psychostimulant were observed on BRIEF-P ( p value = .0392), ADHD-RS-IV ( p < .0001), CGI-S ( p = .0007), and CGI-I ( p = .003). There were no serious adverse events and no new safety signals. Conclusion: Use of GXR as adjunctive therapy to stimulant therapy significantly improves executive function in children with ADHD.

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