Clinical trialNCT02628236CompletedPhase 2Interventional

Maximal Use Systemic Exposure Study of Levulan Kerastick (MUSE 2)

SponsorDUSA Pharmaceuticals, Inc.Enrollment14Keratosis, Actinic

View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

The purpose of this study is to evaluate the potential for systemic exposure of aminolevulinic acid (ALA) and protoporphyrin IX (PpIX) when applied topically under occlusion, in a maximal use setting in patients with multiple actinic keratoses (AK) involving the upper extremities.

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Investigators

The overall officials registered on this study. Names that resolve to a FindMyKOL profile link to it; the rest are shown as registered.

Stuart Marcus, MD, PhD
DUSA Pharmaceuticals, Inc.
Study Director
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A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

2 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States

Dermresearch, Inc.
Austin, Texas, United States
J&j Studies, Inc
College Station, Texas, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

Aminolevulinic acid →

Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 29 Feb 2016
Primary completion: 31 May 2016
Completion: 31 Jul 2016
Last update posted: 18 Sept 2017
Registered enrollment: 14
Registry id: NCT02628236

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; FindMyKOL does not interpret them.