Overview
Sponsor-declared trial summary
Major Depressive Disorder (MDD)
The primary objective of this study is to investigate the antidepressive effect of augmenting a single day of accelerated transcranial magnetic stimulation (TMS) with D-cycloserine (DCS).
Key facts
- Sponsor
- Universiteit Maastricht
- Participant type
- Patients
- Age range
- 18-64 years
- Gender
- Male and Female
- Therapeutic area
- Psychiatry and Psychology [F] - Mental Disorders [F03]
- Decision date (initial)
- 2025-06-02
- Transition trial
- No
- Low-intervention
- No
- Rare-disease indication
- No
- Vulnerable population
- No
- Funding sources
- Maastricht University Medical Center (MUMC+)
Trial design
CTIS Part I — objectives, methods, condition coding
Main objective
Scope: Efficacy, Therapy
The primary objective of this study is to investigate the antidepressive effect of augmenting a single day of accelerated transcranial magnetic stimulation (TMS) with D-cycloserine (DCS).
Secondary objectives 7
- A secondary objective of this study is to investigate the durability of the antidepressive response at 6 months follow-up.
- A secondary objective of this study is to investigate the clinical outcomes of augmenting a single day of aTMS with DCS.
- A secondary objective of this study is to investigate the anxiolytic effect of augmenting a single day of aTMS with DCS.
- A secondary objective of this study is to investigate the antidepressive effect of augmenting a single day of aTMS with DCS according to self-report.
- A secondary objective of this study is to investigate the effect of TMSxDCS on cognitive outcomes.
- A secondary objective of this study is to assess the adverse events of augmenting a single day of aTMS with DCS.
- A secondary objective of this study is to assess the change in quality of life at 6 weeks follow-up.
Conditions and MedDRA coding
Major Depressive Disorder (MDD)
Eligibility criteria
Principal inclusion / exclusion criteria as submitted by sponsor
Inclusion criteria 3
- A primary diagnosis of MDD, with a current moderate to severe depressive episode (score of >20 on the MADRS)
- Age between 18-65 years old
- A diagnosis of moderate to severe measures of treatment resistant depression (TRD) and have tried at least 2 types of antidepressant medication without sufficient result
Exclusion criteria 12
- Any change in antidepressant treatment (medication, psychotherapy) 4 weeks prior to enrollment
- Primary psychiatric diagnosis other than MDD
- A history of bipolar disorder
- A history of psychosis
- A history of schizophrenia
- A history of renal insufficiency
- Current substance abuse disorder
- Current scheduled use of benzodiazepines (as needed use is permitted, except for the day prior to treatment)
- Current use of any of the following medications: Olanzapine, clozapine, ethionamide, isoniazid
- Has a cochlear implant
- Metal implants near (<10 cm away from coil) the head including: - Aneurysm clips / coils - Any medical implant containing metal near the head - Metal stents in the brain - Shrapnel or bullet fragments - Implanted vagus nerve or deep brain stimulators, Electrodes for monitoring brain activity
- Pregnancy upon inclusion or during the study period, though women with childbearing potential will be included into the study.
Endpoints
Primary and secondary outcome measures (English text)
Primary endpoints 1
- Percentage reduction from baseline MADRS score measured weekly for 6 weeks post-treatment
Secondary endpoints 7
- Percentage reduction from baseline MADRS-score at 6 months follow-up.
- Clinical remission (defined as a MADRS-score of ≤8) and clinical response (defined as a reduction from baseline MADRS score of >50%) at 6 weeks follow-up.
- Percentage reduction from baseline GAD-7-score measured weekly for the first 6 weeks post-treatment and monthly for the remainder of 6 months.
- Percentage reduction from baseline PHQ-9-score measured weekly for the first 6 weeks post-treatment and monthly for the remainder of 6 months.
- Change in performance on the cognitive test battery at 1 week follow-up.
- Side effect questionnaire taken immediately after treatment.
- EQ5D questionnaire taken at 6 weeks follow-up.
Investigational products
Investigational medicinal products (IMPs), comparators, placebo, auxiliary
Test 1
PRD9267398 · Product
- Active substance
- Cycloserine
- Pharmaceutical form
- CAPSULE, HARD
- Route of administration
- ORAL
- Max daily dose
- 1000 mg milligram(s)
- Max total dose
- 730000 mg milligram(s)
- Max treatment duration
- 24 Month(s)
- Authorisation status
- Authorised
- ATC code
- J04AB01 — CYCLOSERINE
- Marketing authorisation
- PL 45043/0109
- MA holder
- NEON HEALTHCARE LIMITED
- MA country
- XI
- Paediatric formulation
- No
- Orphan designation
- No
- Modified vs. Marketing Authorisation
- No
Placebo 1
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
Sponsors and contacts
Sponsor organisations, regulatory contacts, third parties
Universiteit Maastricht
- Sponsor organisation
- Universiteit Maastricht
- Address
- P. O. Box 616
- City
- Maastricht
- Postcode
- 6200 MD
- Country
- Netherlands
Scientific contact point
- Organisation
- Universiteit Maastricht
- Contact name
- Bart Rutten
Public contact point
- Organisation
- Universiteit Maastricht
- Contact name
- Koen Augustijn
Locations
1 EU/EEA country · 1 investigational sites
By country
| Country | MS status | Planned subjects | Sites |
|---|---|---|---|
| Netherlands | Authorised, recruitment pending | 48 | 1 |
| Rest of world | — | 0 | — |
Investigational sites
Results and documents
Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial
Documents 13 files
Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.
| Type | Title | Version |
|---|---|---|
| Protocol (for publication) | D1_Protocol 2025-521166-95-00_redacted | 3 |
| Protocol (for publication) | D4_Patient facing documents EQ5D_NL | 1 |
| Protocol (for publication) | D4_Patient facing documents GAD7_NL | 1 |
| Protocol (for publication) | D4_Patient facing documents MADRS_NL | 1 |
| Protocol (for publication) | D4_Patient facing documents PHQ9_NL | 1 |
| Recruitment arrangements (for publication) | K1_Recruitment arrangements | 3 |
| Recruitment arrangements (for publication) | K2_Recruitment material flyer_NL | 2 |
| Recruitment arrangements (for publication) | K2_Recruitment material WebsiteNL | 1 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF adults_redacted | 3 |
| Subject information and informed consent form (for publication) | L2_Other subject information material information leaflet adults_redacted | 2 |
| Summary of Product Characteristics (SmPC) (for publication) | E2_SmPC Cicloserina Atb_unredacted | 1 |
| Synopsis of the protocol (for publication) | D1_Protocol synopsis ENG 2025-521166-95-00 | 2 |
| Synopsis of the protocol (for publication) | D1_Protocol synopsis NL 2025-521166-95-00 | 2 |
Application history
1 submissions — initial application plus substantial / non-substantial modifications
| # | Type | Code | Submitted | Reference MS | Conclusion | Decision date |
|---|---|---|---|---|---|---|
| 1 | INITIAL | IN | 2025-02-19 | Netherlands | Acceptable with conditions 2025-05-26
|
2025-06-02 |