Positron Emission Tomography Assessment of Ketamine Binding of the Serotonin Transporter
2 other identifiers
interventional
74
1 country
1
Brief Summary
The study at hand is the first to investigate ketamine's SERT binding in humans, by utilizing the highly selective SERT radioligand \[11C\]DASB and positron emission tomography.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_2 depression
Started May 2016
Typical duration for phase_2 depression
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
March 11, 2016
CompletedFirst Posted
Study publicly available on registry
March 23, 2016
CompletedStudy Start
First participant enrolled
May 1, 2016
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 31, 2019
CompletedStudy Completion
Last participant's last visit for all outcomes
December 31, 2019
CompletedOctober 15, 2018
October 1, 2018
3.7 years
March 11, 2016
October 12, 2018
Conditions
Outcome Measures
Primary Outcomes (7)
Pilot Study II: (S)-ketamine SERT occupancy assessed with DASB binding potential (BP)
Occupancy assessed using kinetic modeling
during PET/during 135 minutes of infusion
Pilot Study II: (R,S)-ketamine SERT occupancy assessed with DASB binding potential (BP)
Occupancy assessed using kinetic modeling
during PET/during 135 minutes of infusion
Main Study: (S)-ketamine SERT occupancy assessed with DASB binding potential (BP)
Occupancy (%)=(1-BPND PET 2 (treatment) / BPND PET 1 (baseline)) x100
during PET/starting 10 minutes afer 40 minutes of infusion
Pilot Study I: (R,S)-ketamine SERT occupancy assessed with DASB binding potential (BP)
Occupancy (%)=(1-BPND PET 2 (treatment) / BPND PET 1 (baseline)) x100
during PET/starting 10 minutes afer 40 minutes of infusion
Pilot Study III: (R,S)-ketamine SERT occupancy assessed with DASB binding potential (BP)
Occupancy (%)=(1-BPND PET 2 (treatment) / BPND PET 1 (baseline)) x100
during PET
Pilot Study III: resting state MRI
changes to rsFC and rsfMRI after (R,S)-ketamine
after PET 2
Pilot Study III: MRS
changes to Glutamate, GABA, and metabolites after (R,S)-ketami
after PET 2
Secondary Outcomes (2)
Change in Hamilton Depression Rating Scale Points
2 hours after infusion to baseline
Change in Hamilton Depression Rating Scale Points
1 day after infusion to baseline
Study Arms (6)
(S)-ketamine
EXPERIMENTALKetanest® S (Esketaminhydrochlorid) 5mg/ml and 25mg/ml ampoules; Actavis Italy S.P.A./Pfizer Corporation Austria GmbH Dosis: 0.25mg/kg bodyweight i.v. over 40 Minutes (ending 10 minutes before PET measurement) all patients and 10 HC (randomized, double blind) Interventions: Drug: (S)-ketamine (Main study) Other: Main study: PET1 Other: Main study: PET2
Placebo
PLACEBO COMPARATOR0.9% saline solution i.v. over 40 Minutes (ending 10 minutes before PET measurement) 10 HC (randomized, double blind) Interventions: Drug: Placebo Other: Main study: PET1 Other: Main study: PET2
(S)-ketamine (Pilot Study II, 5 subj.)
EXPERIMENTALKetanest® S (Esketaminhydrochlorid) 5mg/ml and 25mg/ml ampoules; Actavis Italy S.P.A./Pfizer Corporation Austria GmbH Dosis: 0.10mg/kg bodyweight bolus applied over 5 minutes (starting 15 minutes before PET measurement) and continuous infusion of 0.30mg/kg bodyweight applied over the course of 130 minutes. Pilot-study II is cross-over design! Interventions: Drug: (S)-ketamine (Pilot II) Other: PILOT Study II: PET1 Other: PILOT Study II: PET2
(R,S)-ketamine (Pilot Study II, 5 subj.)
EXPERIMENTALKetamin-hameln (Ketaminhydrochlorid) 50mg/ml Ampullen; Hameln Pharma Plus GmbH; Sanova Pharma Dosis: 0.20mg/kg bodyweight bolus applied over 5 minutes (starting 15 minutes before PET measurement) and continuous infusion of 0.60mg/kg bodyweight applied over the course of 130 minutes. Pilot-study II is cross-over design! Interventions: Drug: (R,S)-ketamine (Pilot II) Other: PILOT Study II: PET1 Other: PILOT Study II: PET2
(R,S)-ketamine (Pilot Study I, 12 subj.)
EXPERIMENTALKetamin-hameln (Ketaminhydrochlorid) 50mg/ml Ampullen; Hameln Pharma Plus GmbH; Sanova Pharma Dosis: 0.50mg/kg bodyweight i.v. over 40 Minutes (ending 5 minutes before PET measurement) Interventions: Drug: (R,S)-ketamine (Pilot I) Other: PILOT Study I: PET1 Other: PILOT Study I: PET2
(R,S)-ketamine (Pilot Study III, 12 subj.)
EXPERIMENTALKetamin-hameln (Ketaminhydrochlorid) 50mg/ml Ampullen; Hameln Pharma Plus GmbH; Sanova Pharma Dosis: 0.80mg/kg bodyweight i.v. over 50 Minutes Interventions: Drug: (R,S)-ketamine (Pilot III) Other: PILOT Study III: PET1 Other: PILOT Study III: PET2
Interventions
Ketanest® S (Esketaminhydrochlorid) 5mg/ml and 25mg/ml ampoules; Actavis Italy S.P.A./Pfizer Corporation Austria GmbH Dosis: 0.25mg/kg bodyweight i.v. over 40 Minutes (ending 10 minutes before PET measurement)
Ketanest® S (Esketaminhydrochlorid) 5mg/ml and 25mg/ml ampoules; Actavis Italy S.P.A./Pfizer Corporation Austria GmbH Dosis: 0.10mg/kg bodyweight i.v. bolus applied over 5 minutes (starting 15 minutes before PET measurement) and continuous infusion of 0.30mg/kg bodyweight i.v. applied over the course of 130 minutes.
Ketamin-hameln (Ketaminhydrochlorid) 50mg/ml Ampullen; Hameln Pharma Plus GmbH; Sanova Pharma Dosis: 0.20mg/kg bodyweight i.v. bolus applied over 5 minutes (starting 15 minutes before PET measurement) and continuous infusion of 0.60mg/kg bodyweight applied i.v. over the course of 130 minutes.
0.9% saline solution i.v. over 40 Minutes (ending 10 minutes before PET measurement)
\[11C\]DASB PET
\[11C\]DASB PET
Ketamin-hameln (Ketaminhydrochlorid) 50mg/ml Ampullen; Hameln Pharma Plus GmbH; Sanova Pharma Dosis: 0.50mg/kg bodyweight i.v. over 40 Minutes (ending 10 minutes before PET measurement)
Ketamin-hameln (Ketaminhydrochlorid) 50mg/ml Ampullen; Hameln Pharma Plus GmbH; Sanova Pharma Dosis: 0.80mg/kg bodyweight i.v. over 50
Eligibility Criteria
You may qualify if:
- years
- somatic health
- severe unipolar depression according to DSM-IV (SCID) und HAM-D (for patients)
- capable of giving informed consent
- negative pregnancy test (females)
You may not qualify if:
- severe somatic illness
- psychiatric disorder (for healthy controls)
- an axis I comorbidity other than MDD , other than anxiety symptoms (for patients)
- clinically relevant alterations in blood draw, ecg, and somatic testing
- substance dependency disorder
- intake of psychopharmacological medication in last 6 months
- first degree relative with Axis 1 disorder (for Pilot I study)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Department of Psychiatry and Psychotherapy, Medical University of Vienna
Vienna, 1090, Austria
Related Publications (1)
Spies M, James GM, Berroteran-Infante N, Ibeschitz H, Kranz GS, Unterholzner J, Godbersen M, Gryglewski G, Hienert M, Jungwirth J, Pichler V, Reiter B, Silberbauer L, Winkler D, Mitterhauser M, Stimpfl T, Hacker M, Kasper S, Lanzenberger R. Assessment of Ketamine Binding of the Serotonin Transporter in Humans with Positron Emission Tomography. Int J Neuropsychopharmacol. 2018 Feb 1;21(2):145-153. doi: 10.1093/ijnp/pyx085.
PMID: 29045739DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Rupert Lanzenberger, Prof.
Department of Psychiatry and Psychotherapy, Medical University of Vienna
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Assoc. Prof. PD Dr. Rupert Lanzenberger, MD
Study Record Dates
First Submitted
March 11, 2016
First Posted
March 23, 2016
Study Start
May 1, 2016
Primary Completion
December 31, 2019
Study Completion
December 31, 2019
Last Updated
October 15, 2018
Record last verified: 2018-10