NCT02952898

Brief Summary

This research study is being done to compare the safety and effectiveness of GDC 695 (test drug) against the currently marketed reference drug (diclofenac sodium gel, 3%) and to establish that these two drugs work better than placebo in the treatment of actinic keratosis.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
665

participants targeted

Target at P75+ for phase_3

Timeline
Completed

Started Oct 2016

Shorter than P25 for phase_3

Geographic Reach
1 country

16 active sites

Status
completed

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 Start

First participant enrolled

October 27, 2016

Completed
4 days until next milestone

First Submitted

Initial submission to the registry

October 31, 2016

Completed
2 days until next milestone

First Posted

Study publicly available on registry

November 2, 2016

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 11, 2017

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

September 6, 2017

Completed
1.3 years until next milestone

Results Posted

Study results publicly available

January 10, 2019

Completed
Last Updated

January 7, 2020

Status Verified

January 1, 2020

Enrollment Period

9 months

First QC Date

October 31, 2016

Results QC Date

August 24, 2018

Last Update Submit

January 2, 2020

Conditions

Keywords

solar keratoses

Outcome Measures

Primary Outcomes (1)

  • Number of Subjects With Complete Clearance of AK Lesions

    Complete Clearance was defined as 100% clearance of all Actinic Keratosis (AK) lesions (having a count of zero AKs) in the treatment area (face or bald scalp) at the Day 90 visit (30 Days Post Treatment).

    Day 90 (30 days after completion of 60 days of treatment)

Other Outcomes (1)

  • Adverse Events (AEs)

    Day 0 through Day 90

Study Arms (3)

Test Drug

EXPERIMENTAL

GDC 695 gel applied topically as directed.

Drug: GDC 695

Reference Drug

ACTIVE COMPARATOR

Diclofenac sodium gel, 3% applied topically as directed.

Drug: Diclofenac Sodium Gel, 3%

Placebo

PLACEBO COMPARATOR

Vehicle gel applied topically as directed.

Drug: Vehicle gel

Interventions

GDC 695 is a topical gel.

Test Drug

Diclofenac sodium gel, 3% is an FDA-approved drug.

Reference Drug

Vehicle topical gel contains 0.0% of active drug and is color matched to the other two active test drugs.

Placebo

Eligibility Criteria

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

You may qualify if:

  • Has provided written informed consent.
  • Immunocompetent male and/or non-pregnant female, 18 years of age or older.
  • Willing and able to apply the test article(s) as directed, comply with study instructions, and commit to all follow-up visits for the duration of the study.
  • Clinical diagnosis of actinic keratosis.
  • In good general health and free of any disease state or physical condition.
  • Women, must be post-menopausal, surgically sterile, or use an effective method of birth control with a negative urine pregnancy test (UPT) at the Baseline Visit (Day 1).

You may not qualify if:

  • Women who are pregnant, breastfeeding, or are planning to become pregnant or breastfeed during the study.
  • Is currently enrolled in another investigational drug or device study or has used an investigational drug or investigational device within 30 days prior to the Baseline Visit (Day 1).
  • Has the need or plans to be exposed to artificial tanning devices or excessive sunlight during the study.
  • Is immunosuppressed (e.g., human immunodeficiency virus \[ HIV\], systemic malignancy, graft host disease, etc.) or is taking medications that suppress the immune system.
  • Has experienced an unsuccessful outcome from previous topical diclofenac sodium therapy.
  • Has a history of sensitivity to any of the ingredients in the test articles or other excipients in the test or reference drug.
  • Has signs or symptoms consistent with the aspirin (ASA) triad.
  • Has used topical medications: corticosteroids, alpha hydroxy acids (e.g., glycolic acid, lactic acid, etc. \>5%), beta hydroxy acid (salicylic acid \>2%), urea \>2%, 5-fluorouracil, diclofenac, imiquimod, ingenol mebutate, aminolevulinic acid (ALA) or prescription retinoids (e.g., tazarotene, adapalene, tretinoin), over-the-counter (OTC) products labeled as scrubs of any kind which are used to smooth the skin (as they contain some form of exfoliant such as nut shells, coffee grounds, polymer particles, etc.) within the selected treatment area (face or bald scalp) within one month prior to the Baseline Visit.
  • Has had cryodestruction or chemodestruction, curettage, photodynamic therapy (PDT), surgical excision, or other treatments for AK within the selected treatment area (face or bald scalp) within one month prior to the Baseline Visit.
  • Has used oral corticosteroid therapy, interferon, cytotoxic drugs, immunomodulators, immunosuppressive therapies, or retinoids within one month prior to the Baseline Visit.
  • Has used oral isotretinoin within six months prior to the Baseline Visit.
  • Has used chemical peels, including but not limited to alphahydroxy acid, betahydroxy acid, bichloroacetic acid, trichloroacetic acid, and phenol within the selected treatment area (face or bald scalp) within six months prior to the Baseline Visit.
  • Has had dermatologic procedures or surgeries such as: laser resurfacing, PUVA (Psoralen + ultraviolet A) therapy, ultraviolet B (UVB) therapy, ALA-PDT, or dermabrasion within the selected treatment area (face or bald scalp) within six months prior to the Baseline Visit.
  • Has lesions suspicious for skin cancer (skin cancer not ruled out by biopsy) or untreated skin cancers within the selected treatment area (face or bald scalp).
  • Has active gastrointestinal ulceration or bleeding or has a history of gastrointestinal bleeds due to use of aspirin or other NSAIDs.
  • +2 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (16)

Site 07

Fort Smith, Arkansas, 72916, United States

Location

Site 14

San Diego, California, 92117, United States

Location

Site 24

San Ramon, California, 94582, United States

Location

Site 22

Clearwater, Florida, 33756, United States

Location

Site 01

North Miami Beach, Florida, 33162, United States

Location

Site 27

Ocala, Florida, 34471, United States

Location

Site 12

Tampa, Florida, 33609, United States

Location

Site 05

Carmel, Indiana, 46032, United States

Location

Site 02

Plainfield, Indiana, 46168, United States

Location

Site 25

Saint Joseph, Missouri, 64506, United States

Location

Site 21

Albuquerque, New Mexico, 87106, United States

Location

Site 03

Warwick, Rhode Island, 02886, United States

Location

Site 26

Anderson, South Carolina, 29621, United States

Location

Site 04

Greenville, South Carolina, 29607, United States

Location

Site 28

Norfolk, Virginia, 23507, United States

Location

Site 10

Spokane, Washington, 99202, United States

Location

MeSH Terms

Conditions

Keratosis, Actinic

Condition Hierarchy (Ancestors)

Precancerous ConditionsNeoplasmsKeratosisSkin DiseasesSkin and Connective Tissue Diseases

Results Point of Contact

Title
Gage Development Company
Organization
Gage Development Company

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 31, 2016

First Posted

November 2, 2016

Study Start

October 27, 2016

Primary Completion

July 11, 2017

Study Completion

September 6, 2017

Last Updated

January 7, 2020

Results First Posted

January 10, 2019

Record last verified: 2020-01

Data Sharing

IPD Sharing
Will not share

Locations