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Monocyte Biomarkers in Moderate to Severe Plaque Psoriasis Subjects Treated With Apremilast

An Investigator Initiated Study of Monocyte Biomarkers in Moderate to Severe Plaque Psoriasis Subjects Treated With Apremilast

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03442088
Enrollment
28
Registered
2018-02-22
Start date
2018-06-01
Completion date
2021-09-30
Last updated
2023-01-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Plaque Psoriasis

Brief summary

This is an open label pilot study of the impact of treatment with standard dosing of Otezla for 16 weeks on AM-endotype psoriasis patients, identified by elevated (\>150% of normal): 1.) Intermediate (CD14++CD16+) monocytes, or 2.) circulating monocyte doublets, or 3.) circulating monocyte-platelet aggregates (MPA). Approximately 25 psoriasis patients with the AM-endotype will be followed during treatment over 16 weeks with 4 monthly individual blood draws will be enrolled. All treated psoriasis subjects will receive apremilast through Week 16.

Interventions

DRUGApremilast

Apremilast will be given as approved by the FDA for the treatment of moderate to severe plaque psoriasis. An initial dosage titration from Day 1 (10mg) to Day 5 (30mg). Following the titration, the recommended maintenance dosage of 30 mg twice daily taken orally starting on Day 6 will be dispensed, as per labeled indication.

Sponsors

University Hospitals Cleveland Medical Center
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Intervention model description

This is an open label pilot study of the impact of treatment with standard dosing of APM for 16 weeks on AM-endotype psoriasis patients, identified by elevated (\>150% of normal): 1.) Intermediate (CD14++CD16+) monocytes % of cells in circulation, or 2.) circulating monocyte doublets % of adherent monocyte-monocyte pairs, or 3.) circulating monocyte-platelet aggregates (MPA) % monocytes adherent to platelets.

Eligibility

Sex/Gender
ALL
Age
18 Years to 60 Years
Healthy volunteers
No

Inclusion criteria

1. Males or females, ≥ 18 and \< 60 years of age at the time of signing the informed consent document. 2. Understand and voluntarily sign an informed consent document prior to any study related assessments/procedures being conducted. 3. Able to adhere to the study visit schedule and other protocol requirements. 4. Patients must exhibit AM-endotype psoriasis patients, identified by elevated (\>150% of normal) levels of any one of the following criteria: 1.) Intermediate (CD14++CD16+) monocytes, or 2.) circulating monocyte doublets, or 3.) circulating monocyte-platelet aggregates (MPA). 5. Diagnosis of chronic plaque psoriasis for at least 12 months prior to Screening. 6. Have moderate to severe plaque psoriasis at Screening and Baseline as defined by a. BSA ≥5% b. sPGA ≥3 (moderate to severe) 7. Must be a candidate for phototherapy and systemic (including Otezla) therapy. 8. Must be in good health (except for psoriasis) as judged by the Investigator, based on medical history and physical examination. 9. Females of childbearing potential (FCBP) must have a negative pregnancy test at Screening and Baseline. While on investigational product and for at least 28 days after taking the last dose of investigational product, FCBP who engage in activity in which conception is possible must use one of the approved contraceptive options described below: Option 1: Any one of the following highly effective methods: hormonal contraception (oral, injection, implant, transdermal patch, vaginal ring); intrauterine device (IUD); tubal ligation; or partner's vasectomy; OR Option 2: Male or female condom (latex condom or nonlatex condom NOT made out of natural \[animal\] membrane \[for example, polyurethane\]; PLUS one additional barrier method: (a) diaphragm with spermicide; (b) cervical cap with spermicide; or (c) contraceptive sponge with spermicide. The female subject's chosen form of contraception must be effective by the time the female subject is randomized into the study (for example, hormonal contraception should be initiated at least 28 days before randomization Male subjects (including those who have had a vasectomy) who engage in activity in which conception is possible must use barrier contraception (male latex condom or non-latex condom NOT made out of natural \[animal\] membrane \[for example, polyurethane\]) while on investigational product and for at least 28 days after the last dose of investigational product.

Exclusion criteria

* 1\. Other than psoriasis, history of any clinically significant (as determined by the Investigator) cardiac (clinically advanced cardiovascular disease including; Stent, past history of MI, thrombotic event or arterial calcification), endocrinologic, pulmonary, neurologic, psychiatric, hepatic, renal, hematologic, immunologic disease, or other major uncontrolled disease. 2\. Any condition, including the presence of laboratory abnormalities, which would place the subject at unacceptable risk if he/she were to participate in the study. 3\. Any condition, including other inflammatory diseases or dermatologic conditions that confound the ability to interpret data from the study. 4\. Prior history of suicide attempt at any time in the subject's life time prior to screening or randomization, or major psychiatric illness requiring hospitalization within the last 3 years. 5\. Pregnant or breast feeding. 6\. Have failed more than 3 systemic agents for treatment of psoriasis. 7\. History of allergy to any component of Apremilast. 8\. Hepatitis B surface antigen positive at Screening. 9\. Anti-hepatitis C antibody positive at Screening. 10\. Had a serious infection (including, but not limited to, hepatitis, pneumonia, sepsis, cellulitis, meningitis or pyelonephritis) or have been hospitalized for an infection. Subject must be cured of infection \> 4 weeks before Screening. 11\. Have a history of, or ongoing, chronic or recurrent infectious disease, including, but not limited to, chronic renal infection, chronic chest infection (e.g., bronchiectasis), sinusitis, recurrent urinary tract infection (e.g., recurrent pyelonephritis, chronic nonremitting cystitis), an open, draining, or infected skin wound or ulcer. 12\. Had a Bacillus Calmette-Guérin (BCG) vaccination within 1 year prior to screening. 13\. History of positive human immunodeficiency virus (HIV), or have congenital or acquired immunodeficiency (e.g., common variable immunodeficiency disease). 14\. Active substance abuse or a history of substance abuse within 6 months prior to Screening. 15\. Bacterial infections requiring treatment with oral or injectable antibiotics, or significant viral or fungal infections, within 4 weeks of Screening. Any treatment and cure for such infections must have been completed at least 4 weeks prior to Screening. 16\. Malignancy or history of malignancy, except for: 1. treated \[i.e., cured\] basal cell or squamous cell in situ skin carcinomas; 2. treated \[i.e., cured\] cervical intraepithelial neoplasia \[CIN\] or carcinoma in situ of the cervix with no evidence of recurrence within the previous 5 years. 17\. Topical therapy within 2 weeks of study entry (including, but not limited to, topical corticosteroids, retinoids or vitamin D analog preparations, tacrolimus, pimecrolimus, or anthralin/dithranol). Exceptions: low-potency corticosteroids to cyclosporine, corticosteroids, methotrexate, retinoids, mycophenolate, thioguanine, hydroxyurea, sirolimus, sulfasalazine, azathioprine, fumaric acid esters) will be allowed as background therapy and restricted to treatment of the face, axillae, and groin in accordance with the manufacturers' suggested usage during the course of the study (this restricted usage should be documented). Subjects with scalp psoriasis will be permitted to use coal tar shampoo and/or salicylic acid scalp preparations on scalp lesions. An unmedicated skin moisturizer (eg, Eucerin®) will be also permitted for body lesions only. Subjects should not use these topical treatments within 24 hours prior to the clinic visit. 18\. Systemic therapy for psoriasis within 4 weeks prior to study entry (including, but not limited to, cyclosporine, corticosteroids, methotrexate, retinoids, mycophenolate, thioguanine, hydroxyurea, sirolimus, sulfasalazine, azathioprine, and fumaric acid esters). 19\. Use of phototherapy within 4 weeks prior to study entry. 20\. Use of any investigational drug within 4 weeks prior to study entry, or 5 pharmacokinetic/pharmacodynamic half-lives, if known (whichever is longer). 21\. Prolonged sun exposure or use of tanning booths or other ultraviolet (UV) light sources. 22\. Prior treatment with Apremilast 23\. Inability to wash out from any topical treatment(s) (two weeks prior to entering the study) or all systemic therapies, including orals and biologics (e.g., TNF inhibitors IL-17 inhibitors, IL-12/23 inhibitors, 4 weeks).

Design outcomes

Primary

MeasureTime frameDescription
The Primary Outcome Measure Will be to Evaluate Change in Aberrant Inflammatory Profiles of Activated Blood Monocytes (Aberrant-monocyte Endotype Patients (AM-endotype).Baseline, Week 16For each subject, we will identify a target biomarker of abnormally elevated monocytes, among 1.) intermediate, or 2.) doublets, or 3.) platelet doubles. Each subject will thus have one identified monocyte biomarker for which relative percent change will be its basis for analysis in the primary outcome measure. We will specifically assess change from baseline to 16 weeks by computing relative percent reduction for each subject being treated. Note for example that a change of 1.5% to 1.2% is (1 - (1.2/1.5))\*100% = 20% reduction. The median and other summary statistics of these percent change values will be computed. Wilcoxon's signed rank test will be used to evaluate the null hypothesis of the median percent change being 0.

Secondary

MeasureTime frameDescription
Change in Serum MyeloperoxidaseBaseline, Week 16To assess change in serum myeloperoxidase in the identified patient AM-endotype computing relative percent reduction for each subject being treated and serum marker. The median and other summary statistics of these percent change values will be computed
Change in TNF AlphaBaseline, Week 16To assess change in in the identified patient AM-endotype computing relative percent reduction for each subject being treated and serum marker. The median and other summary statistics of these percent change values will be computed
Change in IL-17Baseline, Week 16To assess change in IL-17 in the identified patient AM-endotype computing relative percent reduction for each subject being treated and serum marker. The median and other summary statistics of these percent change values will be computed
Change in Tissue FactorBaseline, Week 16To assess change in Tissue Factor in the identified patient AM-endotype computing relative percent reduction for each subject being treated and serum marker. The median and other summary statistics of these percent change values will be computed

Other

MeasureTime frameDescription
Monocyte Transcriptome Biomarkers16 weeksTo assess change in expression levels of monocyte transcriptome biomarkers using quantitative PCR to measure changes from baseline to 16 weeks in identified monocyte genes.
Percent Change in Dermatology Life Quality Index (DLQI)16 weeksCalculate the percent change in Dermatology Life Quality Index (DLQI) from baseline to 16 weeks in patients.
Percent Change Between Work Productivity and Activity Impairment Questionnaire: Psoriasis (WPAI: PSO16 weeksCalculate the percent change Work Productivity and Activity Impairment Questionnaire: Psoriasis (WPAI: PSO) from baseline to 16 weeks in patients treated with apremilast 30 mg BID
Evaluate Median Changes in Flow Cytometric Quantification of Monocytes16 weeksTo assess change in quantitation of additional monocyte and neutrophil markers, including CD18/CD11b and NETotic neutrophils by computing relative percent reduction in circulating CD18/CD11b and NETotic neutrophils for each subject being treated.

Countries

United States

Participant flow

Participants by arm

ArmCount
Apremilast for Treatment of Psoriasis With the AM-endotype
Psoriasis patients with the AM-endotype will be followed during treatment over 16 weeks with 5 monthly individual blood draws will be enrolled. Apremilast: Apremilast will be given as approved by the FDA for the treatment of moderate to severe plaque psoriasis. An initial dose titration from Day 1 (10mg) to Day 5 (30mg). Following titration, the recommended maintenance dosage of 30 mg twice daily taken orally starting on Day 6 will be dispensed, as per labeled indication.
28
Total28

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyAdverse Event1
Overall StudyLack of Efficacy2
Overall StudyLost to Follow-up2

Baseline characteristics

CharacteristicApremilast for Treatment of Psoriasis With the AM-endotype
Age, Continuous44.7 years
STANDARD_DEVIATION 12.6
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
28 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
0 Participants
Race (NIH/OMB)
Black or African American
5 Participants
Race (NIH/OMB)
More than one race
1 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
White
22 Participants
Sex: Female, Male
Female
10 Participants
Sex: Female, Male
Male
18 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
0 / 28
other
Total, other adverse events
13 / 28
serious
Total, serious adverse events
0 / 28

Outcome results

Primary

The Primary Outcome Measure Will be to Evaluate Change in Aberrant Inflammatory Profiles of Activated Blood Monocytes (Aberrant-monocyte Endotype Patients (AM-endotype).

For each subject, we will identify a target biomarker of abnormally elevated monocytes, among 1.) intermediate, or 2.) doublets, or 3.) platelet doubles. Each subject will thus have one identified monocyte biomarker for which relative percent change will be its basis for analysis in the primary outcome measure. We will specifically assess change from baseline to 16 weeks by computing relative percent reduction for each subject being treated. Note for example that a change of 1.5% to 1.2% is (1 - (1.2/1.5))\*100% = 20% reduction. The median and other summary statistics of these percent change values will be computed. Wilcoxon's signed rank test will be used to evaluate the null hypothesis of the median percent change being 0.

Time frame: Baseline, Week 16

Population: 1 subject missed interim visits, so data was not analyzed for this one participant.

ArmMeasureGroupValue (MEAN)Dispersion
Apremilast for Treatment of Psoriasis With the AM-endotypeThe Primary Outcome Measure Will be to Evaluate Change in Aberrant Inflammatory Profiles of Activated Blood Monocytes (Aberrant-monocyte Endotype Patients (AM-endotype).Baseline0.5665 Percent changeStandard Deviation 0.5135
Apremilast for Treatment of Psoriasis With the AM-endotypeThe Primary Outcome Measure Will be to Evaluate Change in Aberrant Inflammatory Profiles of Activated Blood Monocytes (Aberrant-monocyte Endotype Patients (AM-endotype).Week 160.1715 Percent changeStandard Deviation 0.2635
p-value: 0.0001Wilcoxon (Mann-Whitney)
Secondary

Change in IL-17

To assess change in IL-17 in the identified patient AM-endotype computing relative percent reduction for each subject being treated and serum marker. The median and other summary statistics of these percent change values will be computed

Time frame: Baseline, Week 16

Population: Analysis was only done on participants had complete data sets including sequencing.

ArmMeasureGroupValue (MEAN)Dispersion
Apremilast for Treatment of Psoriasis With the AM-endotypeChange in IL-17Week 16-0.8315 Pg/mLStandard Deviation 5.824
Apremilast for Treatment of Psoriasis With the AM-endotypeChange in IL-17Baseline1.513 Pg/mLStandard Deviation 5.76
p-value: 0.106395% CI: [-5.248, 0.5992]t-test, 2 sided
Secondary

Change in Serum Myeloperoxidase

To assess change in serum myeloperoxidase in the identified patient AM-endotype computing relative percent reduction for each subject being treated and serum marker. The median and other summary statistics of these percent change values will be computed

Time frame: Baseline, Week 16

Population: Analysis was only done on participants had complete data sets including sequencing.

ArmMeasureGroupValue (MEAN)Dispersion
Apremilast for Treatment of Psoriasis With the AM-endotypeChange in Serum MyeloperoxidaseBaseline24198 Pg/mLStandard Deviation 3835
Apremilast for Treatment of Psoriasis With the AM-endotypeChange in Serum MyeloperoxidaseWeek 1624294 Pg/mLStandard Deviation 4722
p-value: 0.93495% CI: [-2324, 2516]t-test, 2 sided
Secondary

Change in Tissue Factor

To assess change in Tissue Factor in the identified patient AM-endotype computing relative percent reduction for each subject being treated and serum marker. The median and other summary statistics of these percent change values will be computed

Time frame: Baseline, Week 16

Population: Analysis was only done on participants had complete data sets including sequencing.

ArmMeasureGroupValue (MEAN)Dispersion
Apremilast for Treatment of Psoriasis With the AM-endotypeChange in Tissue FactorBaseline72.28 Pg/mLStandard Deviation 23.72
Apremilast for Treatment of Psoriasis With the AM-endotypeChange in Tissue FactorWeek 1675.52 Pg/mLStandard Deviation 28.03
p-value: 0.561195% CI: [-8.333, 14.81]t-test, 2 sided
Secondary

Change in TNF Alpha

To assess change in in the identified patient AM-endotype computing relative percent reduction for each subject being treated and serum marker. The median and other summary statistics of these percent change values will be computed

Time frame: Baseline, Week 16

Population: Analysis was only done on participants had complete data sets including sequencing.

ArmMeasureGroupValue (MEAN)Dispersion
Apremilast for Treatment of Psoriasis With the AM-endotypeChange in TNF AlphaBaseline14.95 Pg/mLStandard Deviation 4.017
Apremilast for Treatment of Psoriasis With the AM-endotypeChange in TNF AlphaWeek 1614.26 Pg/mLStandard Deviation 3.383
p-value: 0.163295% CI: [-1.685, 0.3097]t-test, 2 sided
Other Pre-specified

Evaluate Median Changes in Flow Cytometric Quantification of Monocytes

To assess change in quantitation of additional monocyte and neutrophil markers, including CD18/CD11b and NETotic neutrophils by computing relative percent reduction in circulating CD18/CD11b and NETotic neutrophils for each subject being treated.

Time frame: 16 weeks

Other Pre-specified

Monocyte Transcriptome Biomarkers

To assess change in expression levels of monocyte transcriptome biomarkers using quantitative PCR to measure changes from baseline to 16 weeks in identified monocyte genes.

Time frame: 16 weeks

Other Pre-specified

Percent Change Between Work Productivity and Activity Impairment Questionnaire: Psoriasis (WPAI: PSO

Calculate the percent change Work Productivity and Activity Impairment Questionnaire: Psoriasis (WPAI: PSO) from baseline to 16 weeks in patients treated with apremilast 30 mg BID

Time frame: 16 weeks

Other Pre-specified

Percent Change in Dermatology Life Quality Index (DLQI)

Calculate the percent change in Dermatology Life Quality Index (DLQI) from baseline to 16 weeks in patients.

Time frame: 16 weeks

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026