NCT03814356

Brief Summary

Phase 1 of the STIMPACT trial is an open label,dose-escalation,safety study of intravenous (IV) methylphenidate (MPH) therapy in patients with disorders of consciousness (DoC) caused by severe brain injuries.

Trial Health

75
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
10

participants targeted

Target at below P25 for phase_1

Timeline
2mo left

Started Aug 2020

Longer than P75 for phase_1

Geographic Reach
1 country

1 active site

Status
active not recruiting

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

Study Progress97%
Aug 2020Jun 2026

First Submitted

Initial submission to the registry

January 15, 2019

Completed
9 days until next milestone

First Posted

Study publicly available on registry

January 24, 2019

Completed
1.6 years until next milestone

Study Start

First participant enrolled

August 24, 2020

Completed
3.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2024

Completed
1.6 years until next milestone

Results Posted

Study results publicly available

October 29, 2025

Completed
8 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 30, 2026

Expected
Last Updated

October 29, 2025

Status Verified

October 1, 2025

Enrollment Period

3.6 years

First QC Date

January 15, 2019

Results QC Date

August 12, 2025

Last Update Submit

October 15, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Number of Participants With Adverse Events at Each Dose

    Adverse Events An AE is defined as any untoward medical occurrence associated with the use of an intervention in humans, whether or not considered intervention-related (21 CFR 312.32 (a)). In the STIMPACT Trial an AE may include, but is not limited to: * Sustained hypertension = SBP \> 200 mmHg or DBP \> 120 mmHg for \> 30 min, refractory to medical therapy, or * Sustained tachycardia = HR \> 120 bpm for \> 30 min, refractory to medical therapy, or * Sustained intracranial hypertension = ICP \> 25 mmHg for \> 5 min, refractory to medical therapy Serious Adverse Events An AE or suspected adverse reaction is considered "serious" if, in the view of the investigator or the Independent Medical Monitor, it results in any of the following outcomes: * Death not related to withdrawal of life-sustaining therapy * A life-threatening event * Prolongation of existing hospitalization * Significant incapacity or substantial disruption of the ability to conduct normal life function

    4 Days

Secondary Outcomes (4)

  • Time to Maximal Serum Concentration of IV Methylphenidate (MPH)

    4 Days

  • Serum Half-life of IV Methylphenidate (MPH)

    4 Days

  • Cerebral Cortical Connectivity as Measured by fMRI

    4 Days

  • Cerebral Cortical Connectivity as Measured by EEG

    4 Days

Study Arms (1)

IV MPH

EXPERIMENTAL

All patients will receive IV Methylphenidate (MPH). Patients will receive escalating daily doses of IV MPH starting at 0.5 mg/kg, increasing stepwise to 1.0mg/kg and 2.0 mg/kg unless an adverse event (AE) necessitates dose de-escalation or a serious adverse event (SAE) necessitates that the patient stop participation in the study.

Drug: Methylphenidate

Interventions

IV MPH

Also known as: MPH
IV MPH

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age ≥ 18 years
  • Severe, acute traumatic brain injury
  • Diagnosis of Coma, Vegetative State, or Minimally Conscious State

You may not qualify if:

  • Penetrating brain injury caused by a metallic missile/object (e.g. bullet)
  • Body metal contraindicating MRI
  • Prisoner or ward of the state
  • Neurological
  • Bilateral dilated unresponsive pupils
  • Intracranial hypertension (Intracranial Pressure \[ICP\] \> 25 mmHg for \> 5 min within past 24 hours with head-of-bed at standard clinical angle of 30-45 degrees)
  • Intracranial bolt
  • Status epilepticus or concern for post-ictal state
  • Cardiovascular
  • Poorly controlled hypertension (SBP \> 200 mmHg of DBP \> 120mmHg for 30 minutes, despite anti-hypertensive therapy, within the past 24 hours)
  • Coronary artery disease
  • ST elevation myocardial infarction
  • Acute coronary syndrome
  • Hemodynamically significant dysrhythmia
  • Congestive heart failure
  • +14 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Massachusetts General Hospital

Boston, Massachusetts, 02114, United States

Location

Related Publications (1)

  • Edlow BL, Barra ME, Zhou DW, Foulkes AS, Snider SB, Threlkeld ZD, Chakravarty S, Kirsch JE, Chan ST, Meisler SL, Bleck TP, Fins JJ, Giacino JT, Hochberg LR, Solt K, Brown EN, Bodien YG. Personalized Connectome Mapping to Guide Targeted Therapy and Promote Recovery of Consciousness in the Intensive Care Unit. Neurocrit Care. 2020 Oct;33(2):364-375. doi: 10.1007/s12028-020-01062-7. Epub 2020 Aug 13.

    PMID: 32794142BACKGROUND

Related Links

MeSH Terms

Conditions

DiseaseComaConsciousness DisordersHypoxia-Ischemia, Brain

Interventions

Methylphenidate5,10-dihydro-5-methylphenazine

Condition Hierarchy (Ancestors)

Pathologic ProcessesPathological Conditions, Signs and SymptomsUnconsciousnessNeurobehavioral ManifestationsNeurologic ManifestationsNervous System DiseasesSigns and SymptomsNeurocognitive DisordersMental DisordersBrain IschemiaCerebrovascular DisordersBrain DiseasesCentral Nervous System DiseasesHypoxia, BrainVascular DiseasesCardiovascular DiseasesHypoxiaSigns and Symptoms, Respiratory

Intervention Hierarchy (Ancestors)

PhenylacetatesAcids, CarbocyclicCarboxylic AcidsOrganic ChemicalsPiperidinesHeterocyclic Compounds, 1-RingHeterocyclic Compounds

Results Point of Contact

Title
Brian L. Edlow, M.D.
Organization
Massachusetts General Hospital

Study Officials

  • Brian L Edlow, MD

    Massachusetts General Hospital

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes

Study Design

Study Type
interventional
Phase
phase 1
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Director, Laboratory for NeuroImaging of Coma and Consciousness (NICC)

Study Record Dates

First Submitted

January 15, 2019

First Posted

January 24, 2019

Study Start

August 24, 2020

Primary Completion

April 1, 2024

Study Completion (Estimated)

June 30, 2026

Last Updated

October 29, 2025

Results First Posted

October 29, 2025

Record last verified: 2025-10

Locations