Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.
NCT04167189 · ClinicalTrials.gov registry record · Early Phase 1
Observational Study to Assess the Frequency of Lidocaine Ineffectiveness in Hard-to-treat ADHD
A Early Phase 1 study, sponsored by PhenoSolve.
- Completed
- Registry status
- Early Phase 1
- Development phase
- 28
- Enrollment target
NCT04167189: Completed Early Phase 1 study, sponsored by PhenoSolve.
NCT04167189 is a Early Phase 1 study that has completed, run by PhenoSolve. The registered enrollment target is 28 participants, below the 53-participant average among 2,764 other Early Phase 1 trials with a reported enrollment target (47% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT04167189, a Early Phase 1 study, has completed, sponsored by PhenoSolve.
- COMPLETED
- Registry status
- Early Phase 1
- Development phase
- 28 participants
- Enrollment target
Study Summary
This work will assess the prevalence in hard-to-treat ADHD of the ineffectiveness of the anesthetic Lidocaine.
Primary Outcome
Subjects will be asked to identify each taste and its intensity.
Interventions
- DRUG Lidocaine gel
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 28 participants |
| Start Date | 2018-01-20 |
| Est. Completion | 2020-03-30 |
| Phase | Early Phase 1 |
What the finished NCT04167189 record still lists
NCT04167189 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 28 participants, a relatively small participant target, below the 53-participant average among 2,764 other Early Phase 1 trials with a reported enrollment target (47% lower).
The record links to 0 conditions, and to 1 intervention - of which Lidocaine gel is the first listed.
NCT04167189 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT04167189 about?
NCT04167189 is a clinical study titled "Observational Study to Assess the Frequency of Lidocaine Ineffectiveness in Hard-to-treat ADHD". This work will assess the prevalence in hard-to-treat ADHD of the ineffectiveness of the anesthetic Lidocaine.
What is the current status of trial NCT04167189?
This trial is currently completed. It is a Early Phase 1 study. The enrollment target is 28 participants. The study started on 2018-01-20. Estimated completion is 2020-03-30.
What interventions are being tested in trial NCT04167189?
The interventions under investigation include: Lidocaine gel (DRUG).
Who is sponsoring clinical trial NCT04167189?
This trial is sponsored by PhenoSolve, which has 3 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT04167189's enrollment target sits among peer trials
28 938th of 2000 higher than 1,038 of 2,000 other Early Phase 1 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Early Phase 1 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
Nationwide trials with similar profiles
Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.
Similar enrollment target
- NCT03471117 · 28 participants · Phase 4
Pioglitazone to Reduce Sympathetic Overactivity in CKD Patients
- NCT03523975 · 28 participants · Phase 1
Venetoclax, Lenalidomide and Rituximab in Patients With Previously Untreated Mantle Cell Lymphoma
- NCT03608631 · 28 participants · Phase 1
iExosomes in Treating Participants With Metastatic Pancreas Cancer With KrasG12D Mutation
- NCT03810651 · 28 participants · Early Phase 1
Pencil Beam Scanning in Patients With Renal Tumors
Similar registry start date
- NCT05962346 · started 2026-12 · NA
Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia
- NCT07125183 · started 2026-12 · Phase 2
Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma
- NCT07292298 · started 2026-11 · Phase 2
Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates
- NCT04263285 · started 2026-10 · NA
Treatment of Depression Post-SCI