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NCT00670397 · ClinicalTrials.gov registry record · Phase 1

Photodynamic Therapy Using HPPH in Treating Patients With Recurrent Dysplasia, Carcinoma in Situ, or Stage I Oral Cavity Cancer

A Phase 1 study, sponsored by Roswell Park Cancer Institute.

Terminated
Registry status
Phase 1
Development phase
11
Enrollment target

NCT00670397: Clinical Trial Phase 1 study, sponsored by Roswell Park Cancer Institute.

NCT00670397 is a Phase 1 study that was terminated before completion, run by Roswell Park Cancer Institute. The registered enrollment target is 11 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (82% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00670397, a Phase 1 study, was terminated before completion, sponsored by Roswell Park Cancer Institute.

TERMINATED
Registry status
Phase 1
Development phase
11 participants
Enrollment target

Study Summary

RATIONALE: Photodynamic therapy uses a drug, such as HPPH, that is absorbed by tumor cells. The drug becomes active when it is exposed to light. When the drug is active, tumor cells are killed. PURPOSE: This phase I trial is studying the side effects and best dose of photodynamic therapy using HPPH in treating patients with recurrent dysplasia, carcinoma in situ, or stage I oral cavity cancer.

Primary Outcome

Each cohort of 3 patients will be observed for the first 4 weeks to monitor for DLT.

Interventions

  • DRUG HPPH

Trial Details

FieldValue
Enrollment Target 11 participants
Start Date 2010-06
Est. Completion 2015-07
Phase Phase 1
Roswell Park Cancer Institute

365 total trials

Why NCT00670397 stopped before completion

NCT00670397 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 11 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (82% lower).

The record links to 0 conditions, and to 1 intervention - of which HPPH is the first listed.

NCT00670397 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00670397 about?

NCT00670397 is a clinical study titled "Photodynamic Therapy Using HPPH in Treating Patients With Recurrent Dysplasia, Carcinoma in Situ, or Stage I Oral Cavity Cancer". RATIONALE: Photodynamic therapy uses a drug, such as HPPH, that is absorbed by tumor cells. The drug becomes active when it is exposed to light. When the drug is active, tumor cells are killed. PURPOSE: This phase I trial is studying the side effects and best dose of photodynamic therapy using HPPH...

What is the current status of trial NCT00670397?

This trial is currently terminated. It is a Phase 1 study. The enrollment target is 11 participants. The study started on 2010-06. Estimated completion is 2015-07.

What interventions are being tested in trial NCT00670397?

The interventions under investigation include: HPPH (DRUG).

Who is sponsoring clinical trial NCT00670397?

This trial is sponsored by Roswell Park Cancer Institute, which has 365 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00670397's enrollment target sits among peer trials

11 1911th of 2000 higher than 88 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

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Source: ClinicalTrials.gov NCT00670397, the US trial registry maintained by the National Library of Medicine. NCT00670397 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.