A randomized, double-blind, single-center, 2-period cross-over Phase I study to assess the tolerability, safety and pharmacokinetics of antidepressant doses of oral ketamine hydrochloride prolonged release tablets (KET01) compared to intranasal esketamine in healthy male subjects

2023-503971-45-00 Protocol KET01-03 Human pharmacology (Phase I) - Other Ended

Start 1 Jun 2023 · End 7 Aug 2023 · Status Ended · 1 EU/EEA countries · 1 sites · Protocol KET01-03

Overview

Sponsor-declared trial summary

Phase Human pharmacology (Phase I) - Other
Status Ended
Participants planned 26
Countries 1
Sites 1

Depression

To investigate the tolerability of a single dose of KET01 (240 mg) compared to intranasal esketamine (84 mg; active comparator) with respect to dissociative symptoms assessed by change in Clinician-Administered Dissociative States Scale (CADSS) total score in healthy male subjects.

Key facts

Sponsor
Ketabon GmbH
Participant type
Healthy volunteers
Age range
18-64 years
Gender
Male
Therapeutic area
Diseases [C] - Nervous System Diseases [C10]
Trial duration
1 Jun 2023 → 7 Aug 2023
Decision date (initial)
2023-05-19
Transition trial
No
Low-intervention
No
Rare-disease indication
No
Vulnerable population
No

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Others, Pharmacokinetic, Safety

To investigate the tolerability of a single dose of KET01 (240 mg) compared to intranasal esketamine (84 mg; active comparator) with respect to dissociative symptoms assessed by change in Clinician-Administered Dissociative States Scale (CADSS) total score in healthy male subjects.

Conditions and MedDRA coding

Depression

VersionLevelCodeTermSystem organ class
21.1 PT 10057840 Major depression 100000004873

Regulatory references

EU CT numberTitleSponsor
2021-004927-34 A multicentre, double-blind, randomised, placebo-controlled phase II trial with a 3 week treatment period to assess the efficacy, safety and tolerability of add-on treatment with Ketamine hydrochloride prolonged release tablets (KET01, 120 mg or 240 mg once daily) in outpatients with treatment resistant depression, Wieloośrodkowe, podwójnie zaślepione, randomizowane, kontrolowane placebo badanie fazy II z trzytygodniowym okresem leczenia w celu oceny skuteczności, bezpieczeństwa i tolerancji leczenia dodanego z użyciem chlorowodorku ketaminy w postaci tabletek o przedłużonym uwalnianiu (KET01, 120mg lub 240 mg raz dziennie) u pacjentów ambulatoryjnych z lekooporną depresją

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 4

  1. Participant must be between ≥ 18 and ≤ 45 years of age at the time of signing the informed consent.
  2. Certified as healthy by a comprehensive clinical assessment (including detailed medical history)
  3. BMI between 18.5 and 30 kg/m2 (inclusive) and body weight ≥ 50 kg.
  4. Male

Exclusion criteria 7

  1. Anatomical or medical conditions that may impede delivery or absorption of study medication (e.g., undergone facial reconstruction, rhinoplasty, significant structural or functional abnormalities of the nose or upper airway (e.g. nasal piercing); obstructions or mucosal lesions of the nostrils or nasal passages; undergone sinus surgery in the previous 2 years; or signs and symptoms of rhinitis on days of IMP administration) or surgery in medical history which may have an impact on absorption as assessed by the investigator.
  2. Any previous administration or use of ketamine and esketamine (including known or suspected es-/ketamine-anesthesia), or other ketamine-related and/or dissociative drugs (e.g. phencyclidine [PCP]), Nitrous Oxide or dextromethorphan [at doses higher than the recommended therapeutic dose for cough suppression])
  3. History or presence of any clinically significant disease or disorder including (but not limited to) cardiovascular, pulmonary, gastrointestinal, hepatic, renal, hematological, respiratory/pulmonary, gastrointestinal, psychiatric, neurological, musculoskeletal, endocrine , metabolic, malignant or major physical impairment which, in the opinion of the investigator, may either put the subject at risk because of participation in the study, or may influence the results of the study, or the subject’s ability to participate in the study.
  4. Subjects with first-degree relatives (parents, brothers, sisters or children) with psychotic or bipolar disorders.
  5. Family history of sudden cardiac death in first-degree relatives.
  6. History of alcohol use disorder or substance use disorder, including e.g. benzodiazepines, opiates, hallucinogens and related drugs, stimulants (e.g. 3,4-methylenedioxymethamphetamine [MDMA], amphetamines, cocaine) or cannabis, except nicotine and caffeine, or a positive drug abuse test.
  7. Hypertension (after 5 minutes of rest, systolic blood pressure ≥ 140 mmHg or diastolic blood pressure ≥ 90 mmHg) at Visit 1.

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

  1. Maximum change in CADSS Score from baseline to any time after IMP administration within the period.

Investigational products

Investigational medicinal products (IMPs), comparators, placebo, auxiliary

Test 2

Spravato 28 mg nasal spray, solution

PRD7778029 · Product

Active substance
Esketamine Hydrochloride
Pharmaceutical form
NASAL SPRAY, SOLUTION
Route of administration
NASAL SPRAY
Max daily dose
84 mg milligram(s)
Max total dose
168 mg milligram(s)
Max treatment duration
2 Day(s)
Authorisation status
Authorised
ATC code
N06AX27 — -
Marketing authorisation
EU/1/19/1410/001
MA holder
JANSSEN-CILAG INTERNATIONAL NV
MA country
EU
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
Yes
Modification description
Labelling and Repackaging

Ketamine hydrochloride prolonged release tablets

PRD10278228 · Product

Active substance
Ketamine Hydrochloride
Pharmaceutical form
PROLONGED RELEASE TABLETS
Route of administration
ORAL USE
Max daily dose
240 mg milligram(s)
Max total dose
480 mg milligram(s)
Max treatment duration
2 Day(s)
Authorisation status
Not Authorised
MA holder
KETABON GMBH
Paediatric formulation
No
Orphan designation
No

Placebo 2

Placebo for Ketamine hydrochloride prolonged release tablet

N/A · Product

Other product name
N/A
Pharmaceutical form
N/A
ATC code
N/A — N/A
Marketing authorisation
N/A
MA holder
N/A
MA country
Iceland
Paediatric formulation
No

Placebo for Spravato, nasal spray

N/A · Product

Other product name
N/A
Pharmaceutical form
N/A
ATC code
N/A — N/A
Marketing authorisation
N/A
MA holder
N/A
MA country
Iceland
Paediatric formulation
No
Orphan designation
No

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Ketabon GmbH

Sponsor organisation
Ketabon GmbH
Address
Wilhelm-Wagenfeld-Strasse 20, Schwabing-Freimann Schwabing-Freimann
City
Munich
Postcode
80807
Country
Germany

Scientific contact point

Organisation
Ketabon GmbH
Contact name
Clinical Trial Information Point

Public contact point

Organisation
Ketabon GmbH
Contact name
Clinical Trial Information Point

Third parties 6

OrganisationCity, countryDuties
Scope International AG
ORG-100009715
Mannheim, Germany Code 8
ACC GmbH Analytical Clinical Concepts
ORG-100015425
Leidersbach, Germany Laboratory analysis
Charite Research Organisation GmbH
ORG-100028160
Berlin, Germany On site monitoring, Code 11, Code 12, Code 5, Data management
Myonex GmbH
ORG-100043534
Berlin, Germany Code 14
GCP-Service International Limited & Co. KG
ORG-100036955
Bremen, Germany Code 10
SGS Analytics Germany GmbH
ORG-100013017
Berlin, Germany Laboratory analysis

Locations

1 EU/EEA country · 1 investigational sites

By country

CountryMS statusPlanned subjectsSites
Germany Ended 26 1
Rest of world 0

Investigational sites

Germany

1 site · Ended
Charite Research Organisation GmbH
N/A, Chariteplatz 1, Mitte, Berlin

Country notifications

Trial-start, recruitment-start, end and early-termination notifications submitted per Member State

Country Trial startTrial end Recruitment startRecruitment end Early termination
Germany 2023-06-01 2023-08-07 2023-06-01 2023-08-07

Results and documents

Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial

Summary of results Art. 37(4) CTR

TitleSubmission dateStatusType
Summary of Results
SUM-38268
2024-08-01T08:11:25 Submitted Summary of Results

Layperson summary Annex V

TitleSubmission dateStatusType
Layperson summary of results 2024-08-01T08:14:48 Submitted Laypersons Summary of Results

Documents 2 files

Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.

TypeTitleVersion
Laypersons summary of results (for publication) 240725_LaySummary_v1_KET01-03 1
Summary of results (for publication) 240709_CSR Synopsis_v1_KET01-03 1

Application history

1 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2023-03-06 Germany Acceptable
2023-05-17
2023-05-19