scholarly journals Managing Esketamine Treatment Frequency Toward Successful Outcomes: Analysis of Phase 3 Data

2020 ◽  
Vol 23 (7) ◽  
pp. 426-433 ◽  
Author(s):  
Michel Nijs ◽  
Ewa Wajs ◽  
Leah Aluisio ◽  
Ibrahim Turkoz ◽  
Ella Daly ◽  
...  
Keyword(s):  
Nasal Spray ◽  
Rating Scale ◽  
Maintenance Phase ◽  
Induction Phase ◽  
Treatment Resistant Depression ◽  
Treatment Resistant ◽  
Open Label ◽  
Treatment Frequency ◽  
Resistant Depression ◽  
The Impact

Abstract Background Esketamine nasal spray was recently approved for treatment-resistant depression. The current analysis evaluated the impact of symptom-based treatment frequency changes during esketamine treatment on clinical outcomes. Methods This is a post-hoc analysis of an open-label, long-term (up to 1 year) study of esketamine in patients with treatment-resistant depression (SUSTAIN 2). During a 4-week induction phase, 778 patients self-administered esketamine twice weekly plus a new oral antidepressant daily. In responders (≥50% reduction in Montgomery-Åsberg Depression Rating Scale total score from baseline), esketamine treatment frequency was thereafter decreased during an optimization/maintenance phase to weekly for 4 weeks and then adjusted to the lowest frequency (weekly or every other week) that maintained remission (Montgomery-Åsberg Depression Rating Scale ≤ 12) based on a study-defined algorithm. The relationship between treatment frequency and symptom response, based on clinically meaningful change in Clinical Global Impression–Severity score, was subsequently evaluated 4 weeks after treatment frequency adjustments in the optimization/maintenance phase. Results Among 580 responders treated with weekly esketamine for the first 4 weeks in the optimization/maintenance phase (per protocol), 26% continued to improve, 50% maintained clinical benefit, and 24% worsened. Thereafter, when treatment frequency could be reduced from weekly to every other week, 19% further improved, 49% maintained benefit, and 32% worsened. For patients no longer in remission after treatment frequency reduction, an increase (every other week to weekly) resulted in 47% improved, 43% remained unchanged, and 10% worsened. Conclusions These findings support individualization of esketamine nasal spray treatment frequency to optimize treatment response in real-world clinical practice. Trial Registration ClinicalTrials.gov identifier: NCT02497287

scholarly journals 142 Withdrawal Symptom Assessment in an Esketamine Safety Study in Patients with Treatment-resistant Depression

CNS Spectrums ◽  
2020 ◽  
Vol 25 (2) ◽  
pp. 290-290
Author(s):  
Leah Aluisio ◽  
Lynn Yieh ◽  
Ewa Wajs ◽  
Allitia DiBernardo ◽  
Andrew Krystal ◽  
...  
Keyword(s):  
Nasal Spray ◽  
Withdrawal Symptoms ◽  
Phase Iii ◽  
Complete Analysis ◽  
Induction Phase ◽  
Treatment Resistant Depression ◽  
Treatment Resistant ◽  
Open Label ◽  
Receptor Modulation ◽  
Resistant Depression

Abstract:Background:SUSTAIN-2 (NCT02497287) was an open-label, phase III trial evaluating the safety of esketamine (ESK) nasal spray plus a newly initiated oral antidepressant (AD) for up to 1 year in adults with treatment-resistant depression (TRD). ESK is a schedule III drug that acts via glutamate receptor modulation. ESK is rapidly cleared from the plasma, and with intermittent dosing there is no accumulation. Thus, no withdrawal syndrome is expected. The current analysis assessed potential withdrawal symptoms in patients who discontinued ESK after long-term, intermittent use. In the absence of a glutamatergic-specific withdrawal scale, the Physicians Withdrawal Checklist1 (PWC-20) was used. The PWC-20 was designed to assess new or worsening benzodiazepine-like discontinuation symptoms after stopping non-SSRI anxiolytics.Methods:ESK nasal spray was administered two times per week during a 4-week induction phase (IND). Responders entered the optimization/maintenance phase (O/M) where ESK nasal spray was dosed either weekly or every two weeks for up to 48 weeks. Patients entered a 4-week follow up period (F/U) after discontinuation from either phase, during which continuation of the AD was recommended. PWC-20 assessments were conducted at the last ESK dosing (endpoint of IND or O/M) and at weeks 1, 2 and 4 of F/U. Symptoms were rated using a 0-3-point scale (Not present = 0, Mild = 1, Moderate = 2, Severe = 3). To account for worsening of underlying depression, subset calculations were performed for depressive symptoms (PWC-DS: loss of appetite; anxiety or nervousness; irritability; dysphoric mood or depression; insomnia; fatigue, lethargy or lack of energy; restlessness or agitation; headaches; muscle aches or stiffness; weakness; difficulty concentrating or remembering; depersonalization-derealization) and withdrawal symptoms (PWC-WS: nausea and/or vomiting; diarrhea; poor coordination; diaphoresis; tremor or tremulousness; dizziness or light-headedness; increased acuity of sound, smell, or touch; paresthesias).Results:Data on 357 patients entering F/U were included in the analysis (91 completed treatment during the IND phase and 141 were treated during O/M). The mean (SD) PWC-20 total scores (range 0-60) at treatment endpoint, Week 1, 2 and 4 were 7.2 (6.8), 7.5(7.0), 7.4 (7.1) and 7.2 (6.9), respectively. At these same assessment times, mean PWC-WS scores (range 0-24) were 0.9 (1.7), 1.0 (1.7), 1.0 (1.8), and 0.9 (1.8). Mean PWC-DS scores (range 0-36) were 6.3 (5.6), 6.5 (5.7), 6.5 (5.8), and 6.3 (5.7), respectively. Complete analysis of data from the entire SUSTAIN-2 dataset will be presented.Conclusions:No indication of drug-specific withdrawal symptoms was seen after stopping up to 1-year of intermittent treatment with ESK nasal spray for TRD.Funding Acknowledgements:Janssen Research and Development

scholarly journals Efficacy and safety of fixed doses of intranasal Esketamine as an add-on therapy to Oral antidepressants in Japanese patients with treatment-resistant depression: a phase 2b randomized clinical study

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Nagahide Takahashi ◽  
Aya Yamada ◽  
Ayako Shiraishi ◽  
Hiroko Shimizu ◽  
Ryosuke Goto ◽  
...  
Keyword(s):  
Nasal Spray ◽  
Japanese Patients ◽  
Controlled Study ◽  
Induction Phase ◽  
Treatment Resistant Depression ◽  
Treatment Resistant ◽  
Madrs Total Score ◽  
Link Type ◽  
Randomized Clinical Study ◽  
Resistant Depression

Abstract Background Esketamine nasal spray (Spravato) in conjunction with oral antidepressants (ADs) is approved in the European Union, United States, and other markets for treatment-resistant depression (TRD). Efficacy, safety, and tolerability of esketamine nasal spray in Japanese patients with TRD needs to be assessed. Methods This Phase 2b, randomized, double-blind (DB), placebo-controlled study was conducted in adult Japanese patients with TRD meeting the Diagnostic and Statistical Manual of Mental Disorders (fifth edition) criteria of major depressive disorder with nonresponse to ≥ 1 but < 5 different ADs in the current episode at screening. Patients were treated with a new oral AD for 6 weeks (prospective lead-in phase); nonresponders were randomized (2:1:1:1) to placebo or esketamine (28-, 56-, or 84-mg) nasal spray along with the continued use of AD for 4 weeks (DB induction phase). Responders (≥50% reduction from baseline in the Montgomery-Asberg Depression Rating Scale [MADRS] total score) from the DB induction phase continued into the 24-week posttreatment phase and patients who relapsed could participate in a 4-week open-label (OL) second induction (flexibly-dosed esketamine). The primary efficacy endpoint, change from baseline in the MADRS total score at Day 28 in the DB induction phase, was based on mixed-effects model using repeated measures pairwise comparisons using a Dunnett adjustment. Results Of the 202 patients randomized in the DB induction phase (esketamine [n = 122] or placebo [n = 80]), the MADRS total scores decreased from baseline to Day 28 of the DB induction phase (− 15.2, − 14.5, − 15.1, and − 15.3 for esketamine 28 mg, 56 mg, 84 mg, and placebo groups, respectively), indicating an improvement in depressive symptoms; however, the difference between the esketamine and placebo groups was not statistically significant. The most common treatment-emergent adverse events during the DB induction phase in the combined esketamine group (incidences ranging from 12.3 to 41.0%) were blood pressure increased, dissociation, dizziness, somnolence, nausea, hypoaesthesia, vertigo, and headache; the incidence of each of these events was > 2-fold higher than the corresponding incidence in the placebo group. Conclusions Efficacy of esketamine plus oral AD in Japanese TRD patients was not established; further investigation is warranted. All esketamine doses were safe and tolerated. Trial registration ClinicalTrials.gov Identifier: NCT02918318. Registered: 28 September 2016.

scholarly journals Rapid antidepressant effects of the psychedelic ayahuasca in treatment-resistant depression: a randomized placebo-controlled trial

2018 ◽  
Vol 49 (4) ◽  
pp. 655-663 ◽  
Author(s):  
Fernanda Palhano-Fontes ◽  
Dayanna Barreto ◽  
Heloisa Onias ◽  
Katia C. Andrade ◽  
Morgana M. Novaes ◽  
...  
Keyword(s):  
Rating Scale ◽  
Remission Rate ◽  
Controlled Trial ◽  
Treatment Resistant Depression ◽  
Treatment Resistant ◽  
Open Label ◽  
Double Blind ◽  
Therapeutic Value ◽  
Antidepressant Effects ◽  
Resistant Depression

AbstractBackgroundRecent open-label trials show that psychedelics, such as ayahuasca, hold promise as fast-onset antidepressants in treatment-resistant depression.MethodsTo test the antidepressant effects of ayahuasca, we conducted a parallel-arm, double-blind randomized placebo-controlled trial in 29 patients with treatment-resistant depression. Patients received a single dose of either ayahuasca or placebo. We assessed changes in depression severity with the Montgomery-Åsberg Depression Rating Scale (MADRS) and the Hamilton Depression Rating scale at baseline, and at 1 (D1), 2 (D2), and 7 (D7) days after dosing.ResultsWe observed significant antidepressant effects of ayahuasca when compared with placebo at all-time points. MADRS scores were significantly lower in the ayahuasca group compared with placebo at D1 and D2 (p= 0.04), and at D7 (p< 0.0001). Between-group effect sizes increased from D1 to D7 (D1: Cohen'sd= 0.84; D2: Cohen'sd= 0.84; D7: Cohen'sd= 1.49). Response rates were high for both groups at D1 and D2, and significantly higher in the ayahuasca group at D7 (64%v.27%;p= 0.04). Remission rate showed a trend toward significance at D7 (36%v.7%,p= 0.054).ConclusionsTo our knowledge, this is the first controlled trial to test a psychedelic substance in treatment-resistant depression. Overall, this study brings new evidence supporting the safety and therapeutic value of ayahuasca, dosed within an appropriate setting, to help treat depression. This study is registered athttp://clinicaltrials.gov(NCT02914769).

scholarly journals Long-term deep brain stimulation of the ventral anterior limb of the internal capsule for treatment-resistant depression

2019 ◽  
Vol 91 (2) ◽  
pp. 189-195 ◽  
Author(s):  
Junus M. van der Wal ◽  
Isidoor O. Bergfeld ◽  
Anja Lok ◽  
Mariska Mantione ◽  
Martijn Figee ◽  
...  
Keyword(s):  
Rating Scale ◽  
Response Rate ◽  
Internal Capsule ◽  
Maintenance Phase ◽  
Efficacy And Safety ◽  
Treatment Resistant Depression ◽  
Treatment Resistant ◽  
Resistant Depression ◽  
Deep Brain

ObjectiveDeep brain stimulation (DBS) reduces depressive symptoms in approximately 40%–60% of patients with treatment-resistant depression (TRD), but data on long-term efficacy and safety are scarce. Our objective was to assess the efficacy and safety of DBS targeted at the ventral anterior limb of the internal capsule (vALIC) in 25 patients with TRD during a 1-year, open-label, maintenance period, which followed a 1-year optimisation period.MethodsDepression severity was measured using the 17-item Hamilton Depression Rating Scale (HAM-D-17), Montgomery-Asberg Depression Rating Scale (MADRS) and self-reported Inventory of Depressive Symptomatology (IDS-SR). Primary outcomes were response rate (≥50% HAM-D-17 score reduction) after the maintenance phase, approximately 2 years after DBS surgery, and changes in depression scores and occurrence of adverse events during the maintenance phase.ResultsOf 25 operated patients, 21 entered and 18 completed the maintenance phase. After the maintenance phase, eight patients were classified as responder (observed response rate: 44.4%; intention-to-treat: 32.0%). During the maintenance phase, HAM-D-17 and MADRS scores did not change, but the mean IDS-SR score decreased from 38.8 (95% CI 31.2 to 46.5) to 35.0 (95% CI 26.1 to 43.8) (p=0.008). Non-responders after optimisation did not improve during the maintenance phase. Four non-DBS-related serious adverse events occurred, including one suicide attempt.ConclusionsvALIC DBS for TRD showed continued efficacy 2 years after surgery, with symptoms remaining stable after optimisation as rated by clinicians and with patient ratings improving. This supports DBS as a viable treatment option for patients with TRD.Trial registration numberNTR2118.

A multicenter pilot study of subcallosal cingulate area deep brain stimulation for treatment-resistant depression

2012 ◽  
Vol 116 (2) ◽  
pp. 315-322 ◽  
Author(s):  
Andres M. Lozano ◽  
Peter Giacobbe ◽  
Clement Hamani ◽  
Sakina J. Rizvi ◽  
Sidney H. Kennedy ◽  
...  
Keyword(s):  
Deep Brain Stimulation ◽  
Brain Stimulation ◽  
Rating Scale ◽  
Depressive Symptomatology ◽  
Treatment Resistant Depression ◽  
Treatment Resistant ◽  
Open Label ◽  
Open Label Trial ◽  
Resistant Depression ◽  
Deep Brain

Object Deep brain stimulation (DBS) has been recently investigated as a treatment for major depression. One of the proposed targets for this application is the subcallosal cingulate gyrus (SCG). To date, promising results after SCG DBS have been reported by a single center. In the present study the authors investigated whether these findings may be replicated at different institutions. They conducted a 3-center prospective open-label trial of SCG DBS for 12 months in patients with treatment-resistant depression. Methods Twenty-one patients underwent implantation of bilateral SCG electrodes. The authors examined the reduction in Hamilton Rating Scale for Depression (HRSD-17) score from baseline (RESP50). Results Patients treated with SCG DBS had an RESP50 of 57% at 1 month, 48% at 6 months, and 29% at 12 months. The response rate after 12 months of DBS, however, increased to 62% when defined as a reduction in the baseline HRSD-17 of 40% or more. Reductions in depressive symptomatology were associated with amelioration in disease severity in patients who responded to surgery. Conclusions Overall, findings from this study corroborate the results of previous reports showing that outcome of SCG DBS may be replicated across centers.

scholarly journals Efficacy and Safety of Fixed-Dose Esketamine Nasal Spray Combined With a New Oral Antidepressant in Treatment-Resistant Depression: Results of a Randomized, Double-Blind, Active-Controlled Study (TRANSFORM-1)

2019 ◽  
Vol 22 (10) ◽  
pp. 616-630 ◽  
Author(s):  
Maggie Fedgchin ◽  
Madhukar Trivedi ◽  
Ella J Daly ◽  
Rama Melkote ◽  
Rosanne Lane ◽  
...  
Keyword(s):  
Nasal Spray ◽  
Rating Scale ◽  
Statistical Significance ◽  
Statistical Testing ◽  
Fixed Dose ◽  
P Value ◽  
Treatment Resistant Depression ◽  
Treatment Resistant ◽  
Double Blind ◽  
Resistant Depression

Abstract Background About one-third of patients with depression fail to achieve remission despite treatment with multiple antidepressants and are considered to have treatment-resistant depression. Methods This Phase 3, double-blind, multicenter study enrolled adults with moderate-to-severe depression and nonresponse to ≥2 antidepressants in the current depression episode. Eligible patients (N = 346) were randomized (1:1:1) to twice-weekly nasal spray treatment (esketamine [56 or 84 mg] or placebo) plus a newly initiated, open-label, oral antidepressant taken daily for 4 weeks. The primary efficacy endpoint was change from baseline to day 28 in the Montgomery-Asberg Depression Rating Scale total score, performed by blinded, remote raters. Based on the predefined statistical testing sequence, esketamine 84 mg/antidepressant had to be significant for esketamine 56 mg/antidepressant to be formally tested. Results Statistical significance was not achieved with esketamine 84 mg/antidepressant compared with antidepressant/placebo (least squares [LS] means difference [95% CI]: –3.2 [–6.88, 0.45]; 2-sided P value = .088). Although esketamine 56 mg/antidepressant could not be formally tested, the LS means difference was –4.1 [–7.67, –0.49] (nominal 2-sided P value = .027). The most common (>20%) adverse events reported for esketamine/antidepressant were nausea, dissociation, dizziness, vertigo, and headache. Conclusions Statistical significance was not achieved for the primary endpoint; nevertheless, the treatment effect (Montgomery-Asberg Depression Rating Scale) for both esketamine/antidepressant groups exceeded what has been considered clinically meaningful for approved antidepressants vs placebo. Safety was similar between esketamine/antidepressant groups and no new dose-related safety concerns were identified. This study provides supportive evidence for the safety and efficacy of esketamine nasal spray as a new, rapid-acting antidepressant for patients with treatment-resistant depression. Trial Registration ClinicalTrials.gov identifier: NCT02417064

Effects of add-on tipepidine on treatment-resistant depression: an open-label pilot trial

2015 ◽  
Vol 28 (1) ◽  
pp. 51-54 ◽  
Author(s):  
Yukihiko Shirayama ◽  
Masatoshi Suzuki ◽  
Michio Takahashi ◽  
Koichi Sato ◽  
Kenji Hashimoto
Keyword(s):  
Rating Scale ◽  
Verbal Learning ◽  
Pilot Trial ◽  
Therapeutic Drug ◽  
Treatment Resistant Depression ◽  
Treatment Resistant ◽  
Open Label ◽  
Blood Concentrations ◽  
Resistant Depression ◽  
Learning Test

ObjectiveTreatment-resistant depression is a challenging problem in the clinical setting. Tipepidine has been used as a non-narcotic antitussive in Japan since 1959.MethodsWe administered tipepidine to 11 patients with treatment-resistant depression. Tipepidine was given for 8 weeks as an augmentation.ResultsTipepidine significantly improved depression scores on the Hamilton Rating Scale for depression. Add-on treatment with tipepidine significantly improved scores on the trail making test and Rey auditory verbal learning test. However, no changes were observed in blood concentrations of stress-related hormones (adrenocorticotropic hormone, cortisol, dehydroepiandrosterone sulphate) with tipepidine augmentation.ConclusionTipepidine might be a potential therapeutic drug for treatment-resistant depression.

Ketamine augmentation for outpatients with treatment-resistant depression: Preliminary evidence for two-step intravenous dose escalation

2016 ◽  
Vol 51 (1) ◽  
pp. 55-64 ◽  
Author(s):  
Cristina Cusin ◽  
Dawn Flosnik Ionescu ◽  
Kara Jean Pavone ◽  
Oluwaseun Akeju ◽  
Paolo Cassano ◽  
...  
Keyword(s):  
Rating Scale ◽  
Treatment Resistance ◽  
Preliminary Evidence ◽  
Primary Outcome Measure ◽  
Treatment Resistant Depression ◽  
Treatment Resistant ◽  
Open Label ◽  
Antidepressant Efficacy ◽  
Resistant Depression ◽  
Intravenous Ketamine

Objective: Preliminary evidence supports the safety and efficacy of subanesthetic ketamine as an experimental antidepressant, although its effects are often not sustained beyond one week. Studies are lacking that have examined the sustained effects of escalating ketamine doses as augmentation in outpatients with treatment-resistant depression. Therefore, the aims of this study were twofold: (1) to assess the safety and antidepressant efficacy of two-step, repeated-dose ketamine augmentation and (2) to assess the duration of ketamine’s antidepressant efficacy as augmentation to ongoing antidepressant pharmacotherapy for 3 months after the final infusion. Methods: Fourteen patients with treatment-resistant depression were eligible to receive augmentation with six open-label intravenous ketamine infusions over 3 weeks. For the first three infusions, ketamine was administered at a dose of 0.5 mg/kg over 45 minutes; the dose was increased to 0.75 mg/kg over 45 minutes for the subsequent three infusions. The primary outcome measure was response (as measured on Hamilton Depression Rating Scale–28 items). Results: After the completion of three ketamine infusions, 7.1% (1/14) responded; after all six ketamine infusions, 41.7% (5/12) completers responded and 16.7% (2/12) remitted. Intent-to-treat response and remission rates at the end of the final infusion were 35.7% (5/14) and 14.3% (2/14), respectively. However, all but one responder relapsed within 2 weeks after the final infusion. Conclusion: Repeated, escalating doses of intravenous ketamine augmentation were preliminarily found to be feasible, efficacious and well tolerated. Interaction with concomitant medications and elevated level of treatment resistance are possible factors for non-response.

scholarly journals A randomized placebo-controlled trial on the antidepressant effects of the psychedelic ayahuasca in treatment-resistant depression

2017 ◽  
Author(s):  
Fernanda Palhano-Fontes ◽  
Dayanna Barreto ◽  
Heloisa Onias ◽  
Katia C Andrade ◽  
Morgana Novaes ◽  
...  
Keyword(s):  
Rating Scale ◽  
Remission Rate ◽  
Controlled Trial ◽  
Treatment Resistant Depression ◽  
Treatment Resistant ◽  
Open Label ◽  
Double Blind ◽  
Therapeutic Value ◽  
Antidepressant Effects ◽  
Resistant Depression

AbstractRecent open label trials show that psychedelics, such as ayahuasca, hold promise as fast-onset antidepressants in treatment-resistant depression. In order to further test the antidepressant effects of ayahuasca, we conducted a parallel-arm, double-blind randomized placebo-controlled trial in 29 patients with treatment-resistant depression. Patients received a single dose of either ayahuasca or placebo. Changes in depression severity were assessed with the Montgomery–Åsberg Depression Rating Scale (MADRS) and the Hamilton Depression Rating scale (HAM-D). Assessments were made at baseline, and at one (D1), two (D2) and seven (D7) days after dosing. We observed significant antidepressant effects of ayahuasca when compared to placebo at all timepoints. MADRS scores were significantly lower in the ayahuasca group compared to placebo (at D1 and D2: p=0.04; and at D7: p<0.0001). Between-group effect sizes increased from D1 to D7 (D1: Cohen’ s d=0.84; D2: Cohen’ s d=0.84; D7: Cohen’ s d=1.49). Response rates were high for both groups at D1 and D2, and significantly higher in the ayahuasca group at D7 (64% vs. 27%; p=0.04), while remission rate was marginally significant at D7 (36% vs. 7%, p=0.054). To our knowledge, this is the first controlled trial to test a psychedelic substance in treatment-resistant depression. Overall, this study brings new evidence supporting the safety and therapeutic value of ayahuasca, dosed within an appropriate setting, to help treat depression.

scholarly journals Efficacy and safety of esketamine nasal spray by sex in patients with treatment-resistant depression: findings from short-term randomized, controlled trials

2022 ◽  
Author(s):  
Robyn R. Jones ◽  
Marlene P. Freeman ◽  
Susan G. Kornstein ◽  
Kimberly Cooper ◽  
Ella J. Daly ◽  
...  
Keyword(s):  
Nasal Spray ◽  
Repeated Measures ◽  
Rating Scale ◽  
Menopausal Status ◽  
Treatment Resistant Depression ◽  
Treatment Resistant ◽  
Madrs Total Score ◽  
Randomized Controlled ◽  
Randomized Controlled Studies ◽  
Resistant Depression

AbstractThe objective of this analysis was to determine if there are sex differences with esketamine for treatment-resistant depression (TRD). Post hoc analyses of three randomized, controlled studies of esketamine in patients with TRD (TRANSFORM-1, TRANSFORM-2 [18–64 years], TRANSFORM-3 [≥ 65 years]) were performed. In each 4-week study, adults with TRD were randomized to esketamine or placebo nasal spray, each with a newly initiated oral antidepressant. Change from baseline to day 28 in Montgomery-Åsberg Depression Rating Scale (MADRS) total score was assessed by sex in pooled data from TRANSFORM-1/TRANSFORM-2 and separately in data from TRANSFORM-3 using a mixed-effects model for repeated measures. Use of hormonal therapy was assessed in all women, and menopausal status was assessed in women in TRANSFORM-1/TRANSFORM-2. Altogether, 702 adults (464 women) received ≥ 1 dose of intranasal study drug and antidepressant. Mean MADRS total score (SD) decreased from baseline to day 28, more so among patients treated with esketamine/antidepressant vs. antidepressant/placebo in both women and men: TRANSFORM-1/TRANSFORM-2 women—esketamine/antidepressant -20.3 (13.19) vs. antidepressant/placebo -15.8 (14.67), men—esketamine/antidepressant -18.3 (14.08) vs. antidepressant/placebo -16.0 (14.30); TRANSFORM-3 women—esketamine/antidepressant -9.9 (13.34) vs. antidepressant/placebo -6.9 (9.65), men—esketamine/antidepressant -10.3 (11.96) vs. antidepressant/placebo -5.5 (7.64). There was no significant sex effect or treatment-by-sex interaction (p > 0.35). The most common adverse events in esketamine-treated patients were nausea, dissociation, dizziness, and vertigo, each reported at a rate higher in women than men. The analyses support antidepressant efficacy and overall safety of esketamine nasal spray are similar between women and men with TRD. The TRANSFORM studies are registered at clinicaltrials.gov (identifiers: NCT02417064 (first posted 15 April 2015; last updated 4 May 2020), NCT02418585 (first posted 16 April 2015; last updated 2 June 2020), and NCT02422186 (first posted 21 April 2015; last updated 29 September 2021)).

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