Esketamine nasal Spray's Long-Term safety under the microscope
NCT ID NCT04829318
First seen Jun 26, 2026 · Last updated Jun 26, 2026 · Updated 1 time
Summary
This study looked at the long-term safety of esketamine nasal spray (a fast-acting antidepressant) when used together with standard antidepressants in 183 people with treatment-resistant depression. Participants had already completed 32 weeks of esketamine treatment and continued for up to 104 more weeks. The main goal was to track side effects, including serious events and those of special interest like sedation or suicidal thoughts.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Esketamine nasal spray
- What this could lead to
- If successful, this could show that long-term esketamine is safe and tolerable for people with hard-to-treat depression, supporting its continued use.
- What could go wrong
- This is a safety extension study, not designed to prove effectiveness. Side effects like sedation, dissociation, or abuse potential are possible. Results may not apply to all depression patients.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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183 people
The number who actually took part.
- Started
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Apr 2021
- Finished
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Jul 2024
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 74 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Completed the maintenance phase (Week 32) of Study 54135419TRD3013 (NCT04338321) and had esketamine nasal spray in combination with continuing selective serotonin reuptake inhibitor/serotonin-norepinephrine reuptake inhibitor (SSRI/SNRI) administered through Week 30 (every 2 week dosing) or Week 31 (once weekly dosing) of Study 54135419TRD3013, and continues to be willing to be treated with esketamine nasal spray * Must, in the opinion of the investigator, be benefiting from continuation of esketamine nasal spray in combination with their current SSRI/SNRI based on efficacy and tolerability assessed on Day 1 of this study * Must be medically stable based on the investigator's judgment * A woman of childbearing potential must have a negative urine pregnancy test on Day 1 * Male participants who are sexually active with a woman of childbearing potential must agree to the following during the intervention period and for at least 1 spermatogenesis cycle (defined as approximately 90 days) after receiving the last dose of study intervention (that is, esketamine nasal spray), must fulfill the following criteria: must be practicing a highly effective method of contraception with his female partner, must use a condom if his partner is pregnant, and must agree not to donate sperm Exclusion Criteria: * Has any condition for which, in the opinion of the investigator, participation would not be in the best interest of the participant (example, compromise the well-being) or that could prevent, limit, or confound the protocol-specified assessments * Completed Study 54135419TRD3013 while presenting adverse events deemed clinically relevant by the investigator, and which may interfere with safety and well-being of the participant * Has developed during participation in Study 54135419TRD3013 any of the following cardiovascular-related conditions where an increase in blood pressure or intracranial pressure poses a serious risk: cerebrovascular disease following stroke or transient ischemic attack, aneurysmal vascular disease (including intracranial, thoracic, or abdominal aorta, or peripheral arterial vessels), intracerebral hemorrhage, coronary artery disease following myocardial infarction, unstable angina, or revascularization procedure (example, coronary angioplasty or bypass graft surgery), uncontrolled brady- or tachyarrhythmias that lead to hemodynamic instability, hemodynamically significant valvular heart disease such as mitral regurgitation, aortic stenosis, or aortic regurgitation or heart failure (New York Heart Association \[NYHA\] Class III-IV) of any etiology * Significant pulmonary insufficiency, including chronic obstructive pulmonary disease * Has homicidal ideation or intent, per the investigator's clinical judgment; or has suicidal ideation with some intent to act within 1 month prior to Day 1, per the investigator's clinical judgment; or based on the Columbia-suicide severity rating scale (C-SSRS) performed at Week 32 visit of Study 54135419TRD3013, corresponding to a response of "Yes" on Item 4 (active suicidal ideation with some intent to act, without specific plan) or Item 5 (active suicidal ideation with specific plan and intent) for suicidal ideation * Pregnant, or breast-feeding, or planning to become pregnant while enrolled in this study or within 90 days after the last dose of study intervention
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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A Shine S R O
Pilsen, 31200, Czechia
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AD71 s.r.o.
Prague, 109 00, Czechia
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Anima
Alken, 3570, Belgium
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Bugat Pal Korhaz
Gyöngyös, 3200, Hungary
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C I A P Centro de investigacion y Asistencia en Psiquiatria
Rosario, 2000, Argentina
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CEN Consultorios Especializados en Neurociencias
Córdoba, 5000FJF, Argentina
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Cape Town Clinical Research Centre
Cape Town, 7530, South Africa
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Centre for Mental Health Prof.N.Shipkovenski EOOD
Sofia, 1377, Bulgaria
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Centrum Badan Klinicznych PI House sp z o o
Gdansk, 80 546, Poland
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Centrum Medyczne Care Clinic Katowice
Katowice, 40-568, Poland
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Chang Gung Memorial Hospital
Taoyuan, 333, Taiwan
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Changhua Christian Hospital
Changhua, 500, Taiwan
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Danuvius Klinik Pfaffenhofen Fachklinik für Psychiatrie, Psychotherapie und Psychosomatik
Pfaffenhofen, 85276, Germany
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Erenkoy Mental Health Hospital
Istanbul, 34736, Turkey (Türkiye)
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FunDaMos
Buenos Aires, C1405BOA, Argentina
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Fundacion Lennox
Córdoba, 5000, Argentina
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G Papanikolaou Hospital of Thessaloniki
Thessaloniki, 57010, Greece
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Gert Bosch Pretoria South Africa
Pretoria, 0 042, South Africa
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Hacettepe University Medical Faculty
Ankara, 6100, Turkey (Türkiye)
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Hospital Pengajar Universiti Putra Malaysia
Serdang, 43400, Malaysia
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Hospital Raja Permaisuri Bainun
Ipoh, 30990, Malaysia
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Hospital Tuanku Jaafar
Seremban, 70300, Malaysia
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Institut Neuropsychiatricke pece
Prague, 18600, Czechia
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Instituto Medico DAMIC
Córdoba, X5003DCE, Argentina
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Instituto de Neurociencias San Agustin
La Plata, 1900, Argentina
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Klinikum Dortmund gGmbH
Dortmund, 44287, Germany
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Klinische Forschung Hamburg
Hamburg, 20253, Germany
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Klinische Forschung Schwerin GmbH
Schwerin, 19055, Germany
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Liv Hospital
Samsun, 55020, Turkey (Türkiye)
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Mederon LTD at ARTES
Helsinki, 00270, Finland
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Medical Services Prague S R O
Prague, 16000, Czechia
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Medizinisches Versorgungszentrum LiO GmbH
Berlin, 12209, Germany
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Mental Health Center - Rousse
Rousse, 7003, Bulgaria
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Mlynowamed Specjalistyczny Psychiatryczny Gabinet Lekarski Joanna Lazarczyk
Bialystok, 15-404, Poland
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Multiprofile Hospital for Active Treatment in Neurology and Psychiatry Sveti Naum
Sofia, 1113, Bulgaria
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National Taiwan University Hospital
Taipei, 10002, Taiwan
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NeuropsychiatrieHK, s.r.o.
Hradec Králové, 50002, Czechia
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Niepubliczny Zaklad Opieki Psychiatrycznej MENTIS
Leszno, 64-100, Poland
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Oberhavel Kliniken GmbH
Hennigsdorf, 16761, Germany
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Osrodek Badan Klinicznych CLINSANTE S C
Bydgoszcz, 85 794, Poland
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Osrodek Badan Klinicznych CLINSANTE S C
Torun, 87 100, Poland
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Petz Aladar Megyei Oktato Korhaz
Győr, H-9024, Hungary
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Pharmakologisches Studienzentrum Chemnitz GmbH
Mittweida, 09111, Germany
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Praxis Dr. med. Kirsten Hahn
Berlin, 13187, Germany
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Processus Kft
Budapest, 1137, Hungary
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Psychiatric Clinic 'Agios Charalampos'
Heraklion, 71305, Greece
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Psychiatricka ambulance Saint Anne s.r.o.
Brno, 60200, Czechia
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Psychiatricka ambulance, MUDr. Marta Holanova
Brno, 61500, Czechia
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SPZOZ CSK UM w Lodzi Klinika Zaburzen Afektywnych i Psychotycznych
Lodz, 92-216, Poland
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Samsung Medical Center
Seoul, 06351, South Korea
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Sanatorio Prof Leon S Morra S A
Córdoba, X5009BIN, Argentina
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Severance Hospital Yonsei University Health System
Seoul, 03722, South Korea
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Somni Bene GmbH
Schwerin, 19053, Germany
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Specjalistyczny Psychiatryczny Zespol Opieki Zdrowotnej w Lodzi Szpital im. J. Babinskiego
Lodz, 91-229, Poland
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Taipei Veterans General Hospital
Taipei, 11217, Taiwan
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University General Hospital of Rio Patras
Pátrai, 26504, Greece
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University Malaya Medical Centre
Kuala Lumpur, 59100, Malaysia
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Universitätsklinikum Freiburg - Abteilung für Psychiatrie u. Psychotherapie mit Poliklinik
Freiburg im Breisgau, 79104, Germany
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Uniwersyteckie Centrum Kliniczne
Gdansk, 80 214, Poland
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Other studies related to the condition(s) this trial covers.
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- Could a new injection keep depression at bay for longer?
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- Can a new pill ease depression without Add-Ons?
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- Can brain training help depressed young adults stop ruminating?