A Study to Evaluate the Efficacy and Safety of DC-806 in Participants With Moderate to Severe Plaque Psoriasis

NCT ID: NCT05896527

Last Updated: 2025-04-04

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

229 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-05-02

Study Completion Date

2024-03-25

Brief Summary

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This was a 12-week treatment, multicenter, randomized, double-blind, placebo-controlled, parallel-group, dose-ranging study to evaluate the efficacy and safety of DC-806 in participants with moderate to severe plaque psoriasis. This study evaluated the efficacy, safety, tolerability, and pharmacokinetics (PK) of multiple oral doses of DC-806 in participants with moderate to severe plaque psoriasis.

Detailed Description

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Conditions

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Plaque Psoriasis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators
The Sponsor, participants, Investigators, and study staff responsible for any study procedures was blinded.

Study Groups

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Placebo

Participants received placebo tablets orally twice daily (BID) for 12 weeks.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type OTHER

Matching placebo was supplied as tablets to be administered orally.

DC-806 200 mg BID

Participants received 200 milligrams (mg) of DC-806 tablets orally twice daily for 12 weeks.

Group Type EXPERIMENTAL

DC-806

Intervention Type DRUG

DC-806 was supplied as tablets to be administered orally.

DC-806 400 mg BID

Participants received 400 mg of DC-806 tablets orally twice daily for 12 weeks.

Group Type EXPERIMENTAL

DC-806

Intervention Type DRUG

DC-806 was supplied as tablets to be administered orally.

DC-806 600 mg QD

Participants received 600 mg of DC-806 tablets orally once daily (QD) for 12 weeks.

Group Type EXPERIMENTAL

DC-806

Intervention Type DRUG

DC-806 was supplied as tablets to be administered orally.

DC-806 800 mg BID

Participants received 800 mg of DC-806 tablets orally twice daily for 12 weeks.

Group Type EXPERIMENTAL

DC-806

Intervention Type DRUG

DC-806 was supplied as tablets to be administered orally.

Interventions

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DC-806

DC-806 was supplied as tablets to be administered orally.

Intervention Type DRUG

Placebo

Matching placebo was supplied as tablets to be administered orally.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Male or female, 18 to 70 years of age
* Body mass index (BMI) of 18 to 40 kg/m2
* All of the following psoriasis criteria:

* Clinical diagnosis of plaque psoriasis for ≥6 months before the Baseline visit
* Stable moderate to severe chronic plaque psoriasis, defined as ≥10% BSA psoriasis involvement, sPGA score of ≥3, and PASI score ≥12 at the Screening and Baseline visits
* Candidate for phototherapy or systemic therapy, as assessed by the Investigator
* Women of childbearing potential (WOCBP) and men who are sexually active with WOCBP must be willing to use a highly effective method of contraception during the study and for ≥30 days after the last dose of study drug
* Willing to discontinue topical and/or systemic therapies for psoriasis before the first dose of study drug

Exclusion Criteria

* Have had a clinically significant flare of psoriasis during the 12 weeks before the Baseline visit, as assessed by the Investigator
* History of erythrodermic psoriasis, generalized or localized pustular psoriasis, predominantly guttate psoriasis, medication-induced or medication-exacerbated psoriasis
* History of chronic infections including human immunodeficiency virus (HIV) or viral hepatitis (hepatitis B virus \[HBV\], hepatitis C virus \[HCV\])
* History of active tuberculosis (TB)
* History or evidence of active infection (including but not limited to coronavirus disease 2019 \[COVID-19\] infection) and/or febrile illness within 7 days, serious infections leading to hospitalization and intravenous antibiotic treatment within 90 days, or serious infection requiring antibiotic treatment within 30 days before the first dose of study drug
* History of malignancy or lymphoproliferative disease except resected cutaneous squamous cell or basal cell carcinoma that has been treated without recurrence
* Presence of active suicidal ideation, or positive suicide behavior using the "Baseline/Screening" version of the Columbia Suicide Severity Rating Scale (C-SSRS) and with either of the following criteria:

* History of suicide attempt (including an actual attempt, interrupted attempt, or aborted attempt) within 5 years before the Screening visit
* Suicidal ideation in the past month before the Screening visit as indicated by a positive response ("Yes") to either Question 4 or Question 5 of the "Baseline/Screening" version of the C-SSRS
* Participant has experienced primary failure (no response at approved doses after ≥3 months of therapy) to one or more therapeutic agents targeted to IL-17 (including but not limited to secukinumab, ixekizumab, brodalumab, bimekizumab)
* Systemic use of known strong and moderate cytochrome P450 (CYP)3A4 inhibitors or strong CYP3A4 inducers from Screening through the end of the study
* A 12-lead electrocardiogram (ECG) at Screening that demonstrates clinically significant abnormalities or criteria associated with QT interval abnormalities including prolongation of QT interval corrected for heart rate using Fridericia's formula (QTcF) (\>500 msec)
* Laboratory values meeting the following criteria within the screening period before the first dose of study drug:

* Serum aspartate transaminase ≥2× upper limit of normal (ULN)
* Serum alanine transaminase ≥2×ULN
* Serum total, direct, or indirect bilirubin ≥2.0 mg/dL; except for participants with isolated elevation of indirect bilirubin relating to a confirmed diagnosis of Gilbert syndrome
* Estimated glomerular filtration rate (GFR) by simplified 4-variable Modification of Diet in Renal Disease (MDRD) formula \<45 mL/min/1.73m2
* Total white blood cell count \<3000/μL
* Absolute neutrophil count \<1500/μL
* Platelet count \<100,000/μL
* Hemoglobin \<9 g/dL
* In the opinion of the Investigator or Sponsor, have any uncontrolled clinically significant laboratory abnormality that would affect interpretation of study data or the participant's enrollment in the study
Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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DICE Therapeutics, Inc., a wholly owned subsidiary of Eli Lilly and Company

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Call 1-877-CTLILLY (1-877-285-4559) or 1-317-615-4559 Mon - Fri 9 AM - 5 PM Eastern time (UTC/GMT - 5 hours, EST)

Role: STUDY_DIRECTOR

Eli Lilly and Company

Locations

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First OC Dermatology

Fountain Valley, California, United States

Site Status

Clinical Science Institute

Santa Monica, California, United States

Site Status

Driven Research LLC

Coral Gables, Florida, United States

Site Status

Kirsch Dermatology - Probity - PPDS

Naples, Florida, United States

Site Status

GCP Global Clinical Professionals, LLC

St. Petersburg, Florida, United States

Site Status

ForCare Clinical Research - CenExel FCR - PPDS

Tampa, Florida, United States

Site Status

The Indiana Clinical Trials Center, PC

Plainfield, Indiana, United States

Site Status

Dermatology Specialists Research - 501 S 2nd St

Louisville, Kentucky, United States

Site Status

DICE Therapeutics Study Site

New York, New York, United States

Site Status

Dermatologists of Southwest Ohio - Probity - PPDS

Mason, Ohio, United States

Site Status

Paddington Testing Company Inc

Philadelphia, Pennsylvania, United States

Site Status

Center for Clinical Studies - Webster

Webster, Texas, United States

Site Status

Virginia Clinical Research Inc

Norfolk, Virginia, United States

Site Status

Alberta DermaSurgery Centre - Probity - PPDS

Edmonton, Alberta, Canada

Site Status

Enverus Medical Research - Probity - PPDS

Surrey, British Columbia, Canada

Site Status

Wiseman Dermatology Research Inc. - Probity - PPDS

Winnipeg, Manitoba, Canada

Site Status

CCA Medical Research - Probity - PPDS

Ajax, Ontario, Canada

Site Status

SimcoDerm Medical and Surgical Dermatology Centre - Probity - PPDS

Barrie, Ontario, Canada

Site Status

Dermatrials Research

Hamilton, Ontario, Canada

Site Status

Lynderm Research Inc. - Probity - PPDS

Markham, Ontario, Canada

Site Status

DermEdge Research Probity - PPDS

Mississauga, Ontario, Canada

Site Status

DICE Therapeutics Study Site

North York, Ontario, Canada

Site Status

Alliance Clinical Trials - Probity - PPDS

Waterloo, Ontario, Canada

Site Status

Centre de Recherche Dermatologique du Quebec metropolitain (CRDQ)

Québec, , Canada

Site Status

Fakultni nemocnice Kralovske Vinohrady - CRC - PPDS

Prague, Praha, Hlavní Mesto, Czechia

Site Status

CCR Prague s.r.o. - PRATIA - PPDS

Prague, Praha, Hlavní Mesto, Czechia

Site Status

CCR Prague s.r.o. - PRATIA - PPDS

Prague, , Czechia

Site Status

DICE Therapeutics Study Site

Prague, , Czechia

Site Status

DICE Therapeutics Study Site

Erlangen, Bavaria, Germany

Site Status

Universitätsklinikum Frankfurt

Frankfurt am Main, Hesse, Germany

Site Status

DICE Therapeutics Study Site

Bonn, North Rhine-Westphalia, Germany

Site Status

DICE Therapeutics Study Site

Münster, North Rhine-Westphalia, Germany

Site Status

DICE Therapeutics Study Site

Leipzig, Saxony, Germany

Site Status

DICE Therapeutics Study Site

Berlin, , Germany

Site Status

ISA - Interdisciplinary Study Association GmbH

Berlin, , Germany

Site Status

DICE Therapeutics Study Site

Lübeck, , Germany

Site Status

DICE Therapeutics Study Site

Tübingen, , Germany

Site Status

Allergo-Derm Bakos Kft.

Szolnok, Jász-Nagykun-Szolnok, Hungary

Site Status

DICE Therapeutics Study Site

Kaposvár, Somogy County, Hungary

Site Status

DICE Therapeutics Study Site

Szombathely, Vas County, Hungary

Site Status

Semmelweis Egyetem

Budapest, , Hungary

Site Status

DICE Therapeutics Study Site

Gyöngyös, , Hungary

Site Status

MedMare Bt

Veszprém, , Hungary

Site Status

Cityclinic Przychodnia lekarsko psychologiczna Matusiak sp.p

Wroclaw, Lower Silesian Voivodeship, Poland

Site Status

Wro Medica

Wroclaw, Lower Silesian Voivodeship, Poland

Site Status

Dermoklinika-Centrum Medyczne s.c

Lódz, Lódzkie, Poland

Site Status

Centrum Medyczne Reuma Park NZOZ

Warsaw, Masovian Voivodeship, Poland

Site Status

Uniwersytecki Szpital Kliniczny im. Fryderyka Chopina w Rzeszowie

Rzeszów, Podkarpackie Voivodeship, Poland

Site Status

ClinicMed Daniluk, Nowak Spólka Komandytowa

Bialystok, Podlaskie Voivodeship, Poland

Site Status

Centrum Medyczne Angelius Provita

Katowice, Silesian Voivodeship, Poland

Site Status

Laser Clinic S.C.

Szczecin, West Pomeranian Voivodeship, Poland

Site Status

Hospital Universitario de Gran Canaria Doctor Negrin

Las Palmas de Gran Canaria, , Spain

Site Status

Hospital Universitario 12 de Octubre

Madrid, , Spain

Site Status

CHUS - H. Clinico U. de Santiago

Santiago de Compostela, , Spain

Site Status

Synexus Merseyside Clinical Research Centre

Liverpool, Lancashire, United Kingdom

Site Status

Medicines Evaluation Unit

Manchester, , United Kingdom

Site Status

Countries

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United States Canada Czechia Germany Hungary Poland Spain United Kingdom

Provided Documents

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Document Type: Study Protocol

View Document

Document Type: Statistical Analysis Plan

View Document

Other Identifiers

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2022-502249-90-00

Identifier Type: OTHER

Identifier Source: secondary_id

J5B-MC-FHAG

Identifier Type: OTHER

Identifier Source: secondary_id

DCE806201

Identifier Type: -

Identifier Source: org_study_id

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