TMSxDCS: Medicinal improvement of brain stimulation for depression.

2025-521166-95-00 Therapeutic exploratory (Phase II) Authorised, recruitment pending

Status Authorised, recruitment pending · 1 EU/EEA countries · 1 sites

Overview

Sponsor-declared trial summary

Phase Therapeutic exploratory (Phase II)
Status Authorised, recruitment pending
Participants planned 48
Countries 1
Sites 1

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

  1. A secondary objective of this study is to investigate the durability of the antidepressive response at 6 months follow-up.
  2. A secondary objective of this study is to investigate the clinical outcomes of augmenting a single day of aTMS with DCS.
  3. A secondary objective of this study is to investigate the anxiolytic effect of augmenting a single day of aTMS with DCS.
  4. 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.
  5. A secondary objective of this study is to investigate the effect of TMSxDCS on cognitive outcomes.
  6. A secondary objective of this study is to assess the adverse events of augmenting a single day of aTMS with DCS.
  7. 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

  1. A primary diagnosis of MDD, with a current moderate to severe depressive episode (score of >20 on the MADRS)
  2. Age between 18-65 years old
  3. 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

  1. Any change in antidepressant treatment (medication, psychotherapy) 4 weeks prior to enrollment
  2. Primary psychiatric diagnosis other than MDD
  3. A history of bipolar disorder
  4. A history of psychosis
  5. A history of schizophrenia
  6. A history of renal insufficiency
  7. Current substance abuse disorder
  8. Current scheduled use of benzodiazepines (as needed use is permitted, except for the day prior to treatment)
  9. Current use of any of the following medications: Olanzapine, clozapine, ethionamide, isoniazid
  10. Has a cochlear implant
  11. 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
  12. 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

  1. Percentage reduction from baseline MADRS score measured weekly for 6 weeks post-treatment

Secondary endpoints 7

  1. Percentage reduction from baseline MADRS-score at 6 months follow-up.
  2. 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.
  3. Percentage reduction from baseline GAD-7-score measured weekly for the first 6 weeks post-treatment and monthly for the remainder of 6 months.
  4. Percentage reduction from baseline PHQ-9-score measured weekly for the first 6 weeks post-treatment and monthly for the remainder of 6 months.
  5. Change in performance on the cognitive test battery at 1 week follow-up.
  6. Side effect questionnaire taken immediately after treatment.
  7. EQ5D questionnaire taken at 6 weeks follow-up.

Investigational products

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

Test 1

Cycloserine

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

Determination of what placebo is adequate to ensure blinding will be done at a later stage(amendment), as discussed in correspondence with the relevant METC.

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

CountryMS statusPlanned subjectsSites
Netherlands Authorised, recruitment pending 48 1
Rest of world 0

Investigational sites

Netherlands

1 site · Authorised, recruitment pending
Universiteit Maastricht
Psychiatry and Neuropsychology, Minderbroedersberg 4-6, 6211 LK, Maastricht

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.

TypeTitleVersion
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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2025-02-19 Netherlands Acceptable with conditions
2025-05-26
2025-06-02