Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT03250117 · ClinicalTrials.gov registry record · Phase 1

Relative Bioavailability Study of Ropinirole Implants in Parkinson's Patients on L-Dopa Switched From Oral Ropinirole

A Phase 1 study, sponsored by Titan Pharmaceuticals.

Terminated
Registry status
Phase 1
Development phase
6
Enrollment target

NCT03250117: Clinical Trial Phase 1 study, sponsored by Titan Pharmaceuticals.

NCT03250117 is a Phase 1 study that was terminated before completion, run by Titan Pharmaceuticals. The registered enrollment target is 6 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (90% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT03250117, a Phase 1 study, was terminated before completion, sponsored by Titan Pharmaceuticals.

TERMINATED
Registry status
Phase 1
Development phase
6 participants
Enrollment target

Study Summary

Subjects stable on L-Dopa and oral ropinirole will have their ropinirole replaced with the Ropinirole Implant(s). The Ropinirole Implant was designed using the ProNeura™ implant technology where the implant is inserted under the skin. This study will measure how much ropinirole is released in the blood during 12 weeks of ropinirole implant treatment, and evaluate the side effects of this new formulation.

Primary Outcome

Area under the plasma drug concentration-time curve of ropinirole

Interventions

  • DRUG Ropinirole oral product
  • DRUG Ropinirole Implant

Trial Details

FieldValue
Enrollment Target 6 participants
Start Date 2017-10-10
Est. Completion 2018-05-22
Phase Phase 1
Titan Pharmaceuticals

12 total trials

Why NCT03250117 stopped before completion

NCT03250117 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 6 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (90% lower).

The record links to 0 conditions, and to 2 interventions - of which Ropinirole oral product is the first listed.

NCT03250117 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03250117 about?

NCT03250117 is a clinical study titled "Relative Bioavailability Study of Ropinirole Implants in Parkinson's Patients on L-Dopa Switched From Oral Ropinirole". Subjects stable on L-Dopa and oral ropinirole will have their ropinirole replaced with the Ropinirole Implant(s). The Ropinirole Implant was designed using the ProNeura™ implant technology where the implant is inserted under the skin. This study will measure how much ropinirole is released in the bl...

What is the current status of trial NCT03250117?

This trial is currently terminated. It is a Phase 1 study. The enrollment target is 6 participants. The study started on 2017-10-10. Estimated completion is 2018-05-22.

What interventions are being tested in trial NCT03250117?

The interventions under investigation include: Ropinirole oral product (DRUG), Ropinirole Implant (DRUG).

Who is sponsoring clinical trial NCT03250117?

This trial is sponsored by Titan Pharmaceuticals, which has 12 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03250117's enrollment target sits among peer trials

6 1974th of 2000 higher than 12 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other 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 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

Source: ClinicalTrials.gov NCT03250117, the US trial registry maintained by the National Library of Medicine. NCT03250117 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.