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Study of NDI-034858 in Participants With Moderate to Severe Plaque Psoriasis

A Phase 2b, Randomized, Multicenter, Double-blind, Placebo-controlled, Multiple-dose Study to Evaluate the Efficacy, Safety, and Tolerability of NDI-034858 in Subjects With Moderate to Severe Plaque Psoriasis

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04999839
Enrollment
259
Registered
2021-08-11
Start date
2021-08-11
Completion date
2022-09-12
Last updated
2023-09-28

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

Conditions

Moderate to Severe Plaque Psoriasis

Brief summary

This is a Phase 2b, randomized, multicenter, double-blind, placebo-controlled, multiple-dose study designed to evaluate the efficacy, safety, and tolerability of NDI-034858 in participants with moderate to severe plaque psoriasis. This study will also evaluate the plasma concentrations of NDI-034858 and explore the immune response to NDI-034858 in participants with moderate to severe plaque psoriasis.

Detailed description

Approximately 259 male and female participants, aged 18 to 70 years (inclusive) were enrolled in this study. Participants were randomized to receive either one of the four doses of NDI-034858, or placebo on Day 1. The goal was to have approximately 50 participants randomized per treatment group (1:1:1:1:1 ratio) on Day 1. During the treatment period, NDI-034858 or placebo was orally administered QD for 12 weeks. The 12 week treatment period was followed by a 4-week safety follow-up period.

Interventions

DRUGNDI-034858 study drug

NDI-034858 2 mg oral capsules.

OTHERPlacebo

Placebo matched to NDI-034858 oral capsules.

Sponsors

Innovaderm Research Inc.
CollaboratorOTHER
Nimbus Lakshmi, Inc.
CollaboratorINDUSTRY
Takeda
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 70 Years
Healthy volunteers
No

Inclusion criteria

In order to be eligible to participate in this study, a participant must meet all of the following criteria, either at the screening and Day 1 visits or only at one of the specified visits (screening or Day 1) as noted in the criterion: 1. Male or female participant aged 18 to 70 years, inclusive, at the time of consent. 2. Participant has a history of plaque psoriasis for at least 6 months prior to the screening visit. 3. Participant had no significant flare in psoriasis for at least 3 months before screening (information obtained from medical chart or participant's physician, or directly from the participant). 4. Participant has moderate to severe plaque psoriasis as defined by a PASI score ≥ 12 and a PGA score ≥ 3 at screening and Day 1. 5. Participant has plaque psoriasis covering ≥ 10% of his or her total BSA at screening and Day 1. 6. Participant must be a candidate for phototherapy or systemic therapy. 7. For female participants of childbearing potential involved in any sexual intercourse that could lead to pregnancy: the participant must agree to use a highly effective contraceptive method from at least 4 weeks prior to Day 1 until at least 4 weeks after the last study product administration. Highly effective contraceptive methods include hormonal contraceptives (eg, combined oral contraceptive, patch, vaginal ring, injectable, or implant), intrauterine devices or intrauterine systems, vasectomized partner(s) (provided vasectomy was performed ≥ 4 months prior to screening), bilateral tubal ligation or occlusion, or double barrier methods of contraception (eg, male condom with cervical cap, male condom with diaphragm, and male condom with contraceptive sponge) in conjunction with spermicide. 8. Female participants of childbearing potential have had a negative serum pregnancy test at screening and negative urine pregnancy test at Day 1. 9. For male participants involved in any sexual intercourse that could lead to pregnancy, participant must agree to use one of the highly effective contraceptive methods listed in Inclusion Criterion 6, from Day 1 until at least 12 weeks after the last study product administration. If the female partner of a male participant uses any of the hormonal contraceptive methods listed above, this contraceptive method should be used by the female partner from at least 4 weeks before Day 1 until at least 12 weeks after the last study product administration. 10. Participant has a BMI within the range of 18 to 42 kg/m2, inclusive (BMI = weight \[kg\]/\[height (m)\]2), and total body weight \>50 kg (110 lb). 11. Participant is willing to participate and is capable of giving informed consent. Note: Consent must be obtained prior to any study-related procedures. 12. Participant must be willing to comply with all study procedures and must be available for the duration of the study.

Exclusion criteria

A participant who meets any of the following criteria at the screening and/or Day 1 visits, as applicable, will be excluded from participation in this study: 1. Participant is a female who is breastfeeding, pregnant, or who is planning to become pregnant during the study. 2. Participant has evidence of erythrodermic, pustular, predominantly guttate psoriasis, or drug induced psoriasis. 3. Participant has a history of skin disease or presence of skin condition that, in the opinion of the investigator, would interfere with the study assessments. 4. Participant has immune-mediated conditions commonly associated with psoriasis, such as psoriatic arthritis, uveitis, inflammatory bowel disease, that require systemic treatment (including corticosteroids, immunosuppressants, or biologics). Note: Participants with immune-mediated conditions that do not require systemic treatment may be included in the study. Certain therapies such as NSAIDs may be permitted, but should be discussed with the Medical Monitor prior to determination of participant eligibility. 5. Participant has any clinically significant medical condition, evidence of an unstable clinical condition (eg, cardiovascular, renal, hepatic, hematologic, gastrointestinal, endocrine, pulmonary, immunologic, or local active infection/infectious illness), psychiatric condition, or vital signs/physical/laboratory/ECG abnormality that would, in the opinion of the investigator, put the participant at undue risk or interfere with interpretation of study results. 6. Participant had a major surgery within 8 weeks prior to Day 1 or has a major surgery planned during the study. 7. Participant has a history of Class III or IV congestive heart failure as defined by New York Heart Association Criteria. 8. Participant has been hospitalized in the past 3 months for asthma, has ever required intubation for treatment of asthma, currently require oral corticosteroids for the treatment of asthma, or has required more than one short-term (≤ 2 weeks) course of oral corticosteroids for asthma within 6 months prior to Day 1. 9. Participant has a history of cancer or lymphoproliferative disease within 5 years prior to Day 1. Participant with successfully treated non-metastatic cutaneous squamous cell or basal cell carcinoma and/or localized carcinoma in situ of the cervix are not to be excluded. 10. Participant has a history of fever, inflammation, or systemic signs of illness suggestive of systemic or invasive infection within 4 weeks prior to Day 1. 11. Participant has an active bacterial, viral, fungal, mycobacterial infection, or other infection (including TB or atypical mycobacterial disease), or any major episode of infection that required hospitalization or treatment with intravenous antibiotics within 12 weeks prior to Day 1, or oral antibiotics within 4 weeks prior to Day 1. 12. Participant has a history of chronic or recurrent infectious disease, including but not limited to chronic renal infection, chronic chest infection, recurrent urinary tract infection, fungal infection (with the exception of superficial fungal infection of the nailbed), or infected skin wounds or ulcers. 13. Participant has a history of an infected joint prosthesis or has received antibiotics for a suspected infection of a joint prosthesis, if that prosthesis has not been removed or replaced. 14. Participant has active herpes infection, including herpes simplex 1 and 2 and herpes zoster (demonstrated on physical examination and/or medical history) within 8 weeks prior to Day 1. 15. Participant has a history of known or suspected congenital or acquired immunodeficiency state or condition that would compromise the participant's immune status in the opinion of the investigator (eg, history of splenectomy, primary immunodeficiency). 16. Participant has positive results for hepatitis B surface antigens (HBsAg), antibodies to hepatitis B core antigens (anti-HBc), hepatitis C virus (HCV), or human immunodeficiency virus (HIV). 17. Participant has clinical or laboratory evidence of active or latent TB infection at screening. 18. Participant with any of the following laboratory values at the screening visit: 1. Alanine aminotransferase (ALT) or aspartate aminotransferase (AST) values ≥ 3 times the upper limit of normal (ULN); 2. Hemoglobin \< 11.0 g/dL (\< 110.0 g/L); 3. White blood cell count \< 3.5 x 109/L (\< 3500/mm3); 4. Absolute neutrophil count of \< 1.8 x 109/L (\< 1800/mm3); 5. Absolute lymphocyte count of \< 1.0 x 109/L (\< 1000/mm3); 6. Platelet count \< 100 x 109/L (\< 100,000/mm3); 7. Total bilirubin ˃ 2 times the ULN. 19. Participant who have given \> 50 ml of blood or plasma within 30 days of screening or \> 500 mL of blood or plasma within 56 days of screening (during a clinical study or at a blood bank donation). 20. Participant has used any topical medication that could affect psoriasis (including corticosteroids, retinoids, vitamin D analogues \[such as calcipotriol\], JAK inhibitors, or tar) within 2 weeks prior to Day 1. 21. Participant has used any systemic treatment that could affect psoriasis (including oral, intravenous, intraarticular, intrathecal, intramuscular, or intralesional corticosteroids, oral retinoids, immunosuppressive/immunomodulating medication, methotrexate, cyclosporine, oral JAK inhibitors, or apremilast) within 4 weeks prior to Day 1. 22. Participant has received any UV-B phototherapy (including tanning beds) or excimer laser within 4 weeks prior to Day 1. 23. Participant has had PUVA treatment within 4 weeks prior to Day 1. 24. Participant has received any live-attenuated vaccine within 4 weeks prior to Day 1 or plans to receive a live-attenuated vaccine during the study and up to 4 weeks or 5 half lives of the study product, whichever is longer, after the last study product administration. Note: Nonlive-attenuated vaccines or boosters for Coronavirus Disease 2019 (COVID-19) (eg, RNA-based vaccines, inactivated adenovirus-based vaccines, protein-based vaccines) are allowed during the study. The study site should follow local guidelines related to COVID-19. 25. Participant is currently receiving a nonbiological investigational product or device or has received one within 4 weeks prior to Day 1. 26. Participant has received any marketed or investigational biological agent within 12 weeks or 5 half-lives (whichever is longer) prior to Day 1 (except those listed in Exclusion Criterion 27 and 28 that are to be excluded for 6 months). 27. Participant was previously enrolled in any study with NDI-034858. 28. Participant has a history of lack of response to any therapeutic agent targeting IL-12, IL-17, and/or IL 23 (eg, ustekinumab, secukinumab, ixekizumab, brodalumab, guselkumab, tildrakizumab, risankizumab) at approved doses after at least 12 weeks of therapy, and/or received one of these therapies within 6 months prior to Day 1. 29. Participant has received rituximab or other immune-cell depleting therapy within 6 months. 30. Participant is currently being treated with strong or moderate cytochrome P450 3A (CYP3A4) inhibitors (such as itraconazole), or has received moderate or strong CYP3A4 inhibitors within 4 weeks prior to Day 1. 31. Participant is currently being treated with terbinafine, or has received terbinafine within 4 weeks prior to Day 1. 32. Participant has consumed grapefruit within 1 week prior to Day 1. 33. Participant has used tanning booths within 4 weeks prior to Day 1, has had excessive sun exposure, or is not willing to minimize natural and artificial sunlight exposure during the study. 34. Participant has a known or suspected allergy to NDI-034858 or any component of the investigational product, or any other significant drug allergy (such as anaphylaxis or hepatotoxicity). 35. Participant has a known history of clinically significant drug or alcohol abuse in the last year prior to Day 1. 36. For participant consenting to biopsy collection only: * Participant has a history of an allergic reaction or significant sensitivity to lidocaine or other local anesthetics. * Participant has a history of hypertrophic scarring or keloid formation in scars or suture sites. * Participant has taken anticoagulant medication, such as heparin, low molecular weight (LMW)-heparin, warfarin, or antiplatelet agents (except low-dose aspirin ≤ 81 mg which will be allowed), within 2 weeks prior to Day 1, or has a contraindication to skin biopsies. Nonsteroidal anti-inflammatory drugs will not be considered antiplatelet agents and will be allowed.

Design outcomes

Primary

MeasureTime frameDescription
Percentage of Participants Who Achieved at Least 75 Percent (%) Improvement From Baseline in Psoriasis Area and Severity Index (PASI-75) at Week 12Baseline, Week 12The PASI quantifies the severity of a participant's psoriasis based on both lesion severity and the percent of body surface area (BSA) affected. PASI is a composite scoring by the investigator of degree of erythema, induration, and scaling (each scored separately) for each of 4 body regions (head and neck, upper limbs, trunk \[including axillae and groin\], and lower limbs \[including buttocks\]), with adjustment for the percent of BSA involved for each body region and for the proportion of the body region to the whole body. The PASI composite score varies in increments of 0.1 and range from 0 (no disease) to 72 (maximal disease), with higher scores representing greater severity of psoriasis. PASI 75 response is a binary measure defined as at least a 75% improvement in PASI score at Week 12, relative to baseline PASI score.

Secondary

MeasureTime frameDescription
Percentage of Participants Who Achieved at Least 90% Improvement From Baseline in Psoriasis Area and Severity Index (PASI-90) at Week 12Baseline, Week 12The PASI quantifies the severity of a participant's psoriasis based on both lesion severity and the percent of BSA affected. PASI is a composite scoring by the investigator of degree of erythema, induration, and scaling (each scored separately) for each of 4 body regions (head and neck, upper limbs, trunk \[including axillae and groin\], and lower limbs \[including buttocks\]), with adjustment for the percent of BSA involved for each body region and for the proportion of the body region to the whole body. The PASI composite score varies in increments of 0.1 and range from 0 (no disease) to 72 (maximal disease), with higher scores representing greater severity of psoriasis. PASI 90 response is a binary measure defined as at least a 90% improvement in PASI score at Week 12, relative to baseline PASI score.
Percentage of Participants Who Achieved at Least 100% Improvement From Baseline in Psoriasis Area and Severity Index (PASI-100) at Week 12Baseline, Week 12The PASI quantifies the severity of a participant's psoriasis based on both lesion severity and the percent of BSA affected. PASI is a composite scoring by the investigator of degree of erythema, induration, and scaling (each scored separately) for each of 4 body regions (head and neck, upper limbs, trunk \[including axillae and groin\], and lower limbs \[including buttocks\]), with adjustment for the percent of BSA involved for each body region and for the proportion of the body region to the whole body. The PASI composite score varies in increments of 0.1 and range from 0 (no disease) to 72 (maximal disease), with higher scores representing greater severity of psoriasis. PASI 100 response is a binary measure defined as at least a 100% improvement in PASI score at Week 12, relative to baseline PASI score.
Percentage of Participants Who Achieved Physician's Global Assessment (PGA) Score of Clear (0) or Almost Clear (1) at Week 12At Week 12The PGA is a global assessment of the current state of the disease. It is a 5-point morphological assessment of overall disease severity with scores ranging from 0 to 4, where Score 0: Clear (No signs of psoriasis; post-inflammatory hyperpigmentation may be present); Score 1: Almost clear (No thickening; normal to pink coloration; no to minimal focal scaling); Score 2: Mild (Just detectable to mild thickening; pink to light red coloration; predominantly fine scaling); Score 3: Moderate (Clearly distinguishable to moderate thickening; dull to bright red; clearly distinguishable to moderate erythema; moderate scaling); Score 4: Severe (Severe thickening with hard edges; bright to deep dark red coloration; severe/coarse scaling covering almost all or all lesions). The percentage of participants who achieved a PGA score of clear (0) or almost clear (1) at Week 12 were reported.
Number of Participants With Treatment-emergent Adverse Event (TEAEs) and Serious TEAEsFrom start of study drug administration up to Week 16An adverse event (AE) means any untoward medical occurrence in a participant administered a pharmaceutical product; the untoward medical occurrence does not necessarily have a causal relationship with this treatment. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease temporally associated with the use of a medicinal (investigational) product whether or not it is related to the medicinal product. TEAEs were defined as any AEs with onset date on or after the first study treatment dosing. An SAE was any untoward medical occurrence that at any dose resulted in death, was life-threatening, required inpatient hospitalization or prolongation of existing hospitalization, resulted in persistent or significant disability/incapacity, was a congenital abnormality or birth defect, an important medical event. TEAEs included both serious and non-serious AEs.
Plasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 1: Day 1, Pre-dose and 1-hour post-dose; Week 4: Pre-dose, 1-hour and 4 hours post-dose; Week 8: Pre-dose; Week 12: Post-doseThe analysis of NDI-034858 levels in plasma was performed using a validated reversed-phase Ultra High-Performance Liquid Chromatography coupled with tandem mass-spectrometry (UHPLC-MS/MS) method. Here, plasma concentrations of NDI-034858 determined at given timepoints were reported.
Change From Baseline in Dermatology Life Quality Index (DLQI) Total Score at Week 12Baseline, Week 12The DLQI is a simple 10 question validated questionnaire that has been used in more than 40 different skin conditions. The DLQI is the most frequently used quality of life instrument in studies of randomized controlled trials in dermatology. Each question is scored on a four-point Likert scale: very much (3); a lot (2); a little (1); not at all (0). DLQI total score is defined as the sum of the 10 questions, ranging from 0 (not at all) to 30 (very much). Higher scores indicate more impact on quality of life of participants; and lower scores indicate less impact on the quality of life of participants.

Countries

Canada, United States

Participant flow

Recruitment details

This study was conducted at 55 study centers in the United States and Canada from 11 August 2021 to 12 September 2022.

Pre-assignment details

A total of 259 participants received either one of the four doses of NDI-034858 (2 milligrams \[mg\], 5 mg, 15 mg, or 30 mg), or matching placebo.

Participants by arm

ArmCount
Placebo
Participants received placebo matched to NDI-034858 oral capsules, QD for up to 12 weeks.
52
NDI-034858 2 mg
Participants received 2 mg of NDI-034858 oral capsules, QD for up to 12 weeks.
50
NDI-034858 5 mg
Participants received 5 mg of NDI-034858 oral capsules, QD for up to 12 weeks.
52
NDI-034858 15 mg
Participants received 15 mg of NDI-034858 oral capsules, QD for up to 12 weeks.
53
NDI-034858 30 mg
Participants received 30 mg (2\*15 mg) of NDI-034858 oral capsules, QD for up to 12 weeks.
52
Total259

Withdrawals & dropouts

PeriodReasonFG000FG001FG002FG003FG004
Overall StudyAdverse Event11111
Overall StudyLack of Efficacy01000
Overall StudyLost to Follow-up20241
Overall StudyOther00100
Overall StudyPhysician Decision00001
Overall StudySponsor request01000
Overall StudyWithdrawal by Subject65322

Baseline characteristics

CharacteristicPlaceboTotalNDI-034858 30 mgNDI-034858 15 mgNDI-034858 5 mgNDI-034858 2 mg
Age, Continuous48.8 years
STANDARD_DEVIATION 12.7
46.9 years
STANDARD_DEVIATION 12.99
48.5 years
STANDARD_DEVIATION 11.41
46.2 years
STANDARD_DEVIATION 13.02
45.1 years
STANDARD_DEVIATION 13.6
45.8 years
STANDARD_DEVIATION 14.17
Dermatology Life Quality Index (DLQI)12.4 score on a scale
STANDARD_DEVIATION 7.04
12.0 score on a scale
STANDARD_DEVIATION 6.95
12.5 score on a scale
STANDARD_DEVIATION 6.87
11.9 score on a scale
STANDARD_DEVIATION 7.1
12.8 score on a scale
STANDARD_DEVIATION 7.45
10.3 score on a scale
STANDARD_DEVIATION 6.19
Ethnicity (NIH/OMB)
Hispanic or Latino
26 Participants93 Participants15 Participants19 Participants12 Participants21 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
26 Participants166 Participants37 Participants34 Participants40 Participants29 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants0 Participants0 Participants0 Participants
Psoriasis Area and Severity Index (PASI)18.27 score on a scale
STANDARD_DEVIATION 8.12
17.67 score on a scale
STANDARD_DEVIATION 6.477
17.63 score on a scale
STANDARD_DEVIATION 6.22
15.52 score on a scale
STANDARD_DEVIATION 4.504
18.60 score on a scale
STANDARD_DEVIATION 6.05
18.37 score on a scale
STANDARD_DEVIATION 6.752
Race (NIH/OMB)
American Indian or Alaska Native
1 Participants5 Participants2 Participants1 Participants1 Participants0 Participants
Race (NIH/OMB)
Asian
5 Participants20 Participants3 Participants2 Participants7 Participants3 Participants
Race (NIH/OMB)
Black or African American
2 Participants17 Participants4 Participants3 Participants4 Participants4 Participants
Race (NIH/OMB)
More than one race
0 Participants2 Participants1 Participants1 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
White
44 Participants215 Participants42 Participants46 Participants40 Participants43 Participants
Sex: Female, Male
Female
21 Participants82 Participants19 Participants19 Participants11 Participants12 Participants
Sex: Female, Male
Male
31 Participants177 Participants33 Participants34 Participants41 Participants38 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
EG004
affected / at risk
deaths
Total, all-cause mortality
0 / 520 / 500 / 520 / 530 / 52
other
Total, other adverse events
9 / 5216 / 5010 / 5216 / 5315 / 52
serious
Total, serious adverse events
0 / 520 / 500 / 521 / 530 / 52

Outcome results

Primary

Percentage of Participants Who Achieved at Least 75 Percent (%) Improvement From Baseline in Psoriasis Area and Severity Index (PASI-75) at Week 12

The PASI quantifies the severity of a participant's psoriasis based on both lesion severity and the percent of body surface area (BSA) affected. PASI is a composite scoring by the investigator of degree of erythema, induration, and scaling (each scored separately) for each of 4 body regions (head and neck, upper limbs, trunk \[including axillae and groin\], and lower limbs \[including buttocks\]), with adjustment for the percent of BSA involved for each body region and for the proportion of the body region to the whole body. The PASI composite score varies in increments of 0.1 and range from 0 (no disease) to 72 (maximal disease), with higher scores representing greater severity of psoriasis. PASI 75 response is a binary measure defined as at least a 75% improvement in PASI score at Week 12, relative to baseline PASI score.

Time frame: Baseline, Week 12

Population: The mITT analysis set included all participants who were randomized and received at least one dose of study treatment.

ArmMeasureValue (NUMBER)
PlaceboPercentage of Participants Who Achieved at Least 75 Percent (%) Improvement From Baseline in Psoriasis Area and Severity Index (PASI-75) at Week 125.8 percentage of participants
NDI-034858 2 mgPercentage of Participants Who Achieved at Least 75 Percent (%) Improvement From Baseline in Psoriasis Area and Severity Index (PASI-75) at Week 1218.0 percentage of participants
NDI-034858 5 mgPercentage of Participants Who Achieved at Least 75 Percent (%) Improvement From Baseline in Psoriasis Area and Severity Index (PASI-75) at Week 1244.2 percentage of participants
NDI-034858 15 mgPercentage of Participants Who Achieved at Least 75 Percent (%) Improvement From Baseline in Psoriasis Area and Severity Index (PASI-75) at Week 1267.9 percentage of participants
NDI-034858 30 mgPercentage of Participants Who Achieved at Least 75 Percent (%) Improvement From Baseline in Psoriasis Area and Severity Index (PASI-75) at Week 1267.3 percentage of participants
p-value: =0.05295% CI: [0.933, 14.885]Cochran-Mantel-Haenszel
p-value: <0.00195% CI: [3.525, 45.994]Cochran-Mantel-Haenszel
p-value: <0.00195% CI: [8.526, 98.735]Cochran-Mantel-Haenszel
p-value: <0.00195% CI: [10.277, 156.548]Cochran-Mantel-Haenszel
Secondary

Change From Baseline in Dermatology Life Quality Index (DLQI) Total Score at Week 12

The DLQI is a simple 10 question validated questionnaire that has been used in more than 40 different skin conditions. The DLQI is the most frequently used quality of life instrument in studies of randomized controlled trials in dermatology. Each question is scored on a four-point Likert scale: very much (3); a lot (2); a little (1); not at all (0). DLQI total score is defined as the sum of the 10 questions, ranging from 0 (not at all) to 30 (very much). Higher scores indicate more impact on quality of life of participants; and lower scores indicate less impact on the quality of life of participants.

Time frame: Baseline, Week 12

Population: The mITT analysis set included all participants who were randomized and received at least one dose of study treatment. Overall number of participants analyzed signifies participants who were evaluable for this outcome measure.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PlaceboChange From Baseline in Dermatology Life Quality Index (DLQI) Total Score at Week 12-4.9 score on a scaleStandard Error 0.75
NDI-034858 2 mgChange From Baseline in Dermatology Life Quality Index (DLQI) Total Score at Week 12-5.3 score on a scaleStandard Error 0.78
NDI-034858 5 mgChange From Baseline in Dermatology Life Quality Index (DLQI) Total Score at Week 12-7.9 score on a scaleStandard Error 0.75
NDI-034858 15 mgChange From Baseline in Dermatology Life Quality Index (DLQI) Total Score at Week 12-8.5 score on a scaleStandard Error 0.74
NDI-034858 30 mgChange From Baseline in Dermatology Life Quality Index (DLQI) Total Score at Week 12-8.9 score on a scaleStandard Error 0.75
Secondary

Number of Participants With Treatment-emergent Adverse Event (TEAEs) and Serious TEAEs

An adverse event (AE) means any untoward medical occurrence in a participant administered a pharmaceutical product; the untoward medical occurrence does not necessarily have a causal relationship with this treatment. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease temporally associated with the use of a medicinal (investigational) product whether or not it is related to the medicinal product. TEAEs were defined as any AEs with onset date on or after the first study treatment dosing. An SAE was any untoward medical occurrence that at any dose resulted in death, was life-threatening, required inpatient hospitalization or prolongation of existing hospitalization, resulted in persistent or significant disability/incapacity, was a congenital abnormality or birth defect, an important medical event. TEAEs included both serious and non-serious AEs.

Time frame: From start of study drug administration up to Week 16

Population: The safety analysis set included all participants who received at least one dose of the study product.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
PlaceboNumber of Participants With Treatment-emergent Adverse Event (TEAEs) and Serious TEAEsParticipants with TEAEs23 Participants
PlaceboNumber of Participants With Treatment-emergent Adverse Event (TEAEs) and Serious TEAEsParticipants with Serious TEAEs0 Participants
NDI-034858 2 mgNumber of Participants With Treatment-emergent Adverse Event (TEAEs) and Serious TEAEsParticipants with TEAEs31 Participants
NDI-034858 2 mgNumber of Participants With Treatment-emergent Adverse Event (TEAEs) and Serious TEAEsParticipants with Serious TEAEs0 Participants
NDI-034858 5 mgNumber of Participants With Treatment-emergent Adverse Event (TEAEs) and Serious TEAEsParticipants with TEAEs28 Participants
NDI-034858 5 mgNumber of Participants With Treatment-emergent Adverse Event (TEAEs) and Serious TEAEsParticipants with Serious TEAEs0 Participants
NDI-034858 15 mgNumber of Participants With Treatment-emergent Adverse Event (TEAEs) and Serious TEAEsParticipants with Serious TEAEs1 Participants
NDI-034858 15 mgNumber of Participants With Treatment-emergent Adverse Event (TEAEs) and Serious TEAEsParticipants with TEAEs28 Participants
NDI-034858 30 mgNumber of Participants With Treatment-emergent Adverse Event (TEAEs) and Serious TEAEsParticipants with TEAEs31 Participants
NDI-034858 30 mgNumber of Participants With Treatment-emergent Adverse Event (TEAEs) and Serious TEAEsParticipants with Serious TEAEs0 Participants
Secondary

Percentage of Participants Who Achieved at Least 100% Improvement From Baseline in Psoriasis Area and Severity Index (PASI-100) at Week 12

The PASI quantifies the severity of a participant's psoriasis based on both lesion severity and the percent of BSA affected. PASI is a composite scoring by the investigator of degree of erythema, induration, and scaling (each scored separately) for each of 4 body regions (head and neck, upper limbs, trunk \[including axillae and groin\], and lower limbs \[including buttocks\]), with adjustment for the percent of BSA involved for each body region and for the proportion of the body region to the whole body. The PASI composite score varies in increments of 0.1 and range from 0 (no disease) to 72 (maximal disease), with higher scores representing greater severity of psoriasis. PASI 100 response is a binary measure defined as at least a 100% improvement in PASI score at Week 12, relative to baseline PASI score.

Time frame: Baseline, Week 12

Population: The mITT analysis set included all participants who were randomized and received at least one dose of study treatment.

ArmMeasureValue (NUMBER)
PlaceboPercentage of Participants Who Achieved at Least 100% Improvement From Baseline in Psoriasis Area and Severity Index (PASI-100) at Week 120 percentage of participants
NDI-034858 2 mgPercentage of Participants Who Achieved at Least 100% Improvement From Baseline in Psoriasis Area and Severity Index (PASI-100) at Week 122.0 percentage of participants
NDI-034858 5 mgPercentage of Participants Who Achieved at Least 100% Improvement From Baseline in Psoriasis Area and Severity Index (PASI-100) at Week 129.6 percentage of participants
NDI-034858 15 mgPercentage of Participants Who Achieved at Least 100% Improvement From Baseline in Psoriasis Area and Severity Index (PASI-100) at Week 1215.1 percentage of participants
NDI-034858 30 mgPercentage of Participants Who Achieved at Least 100% Improvement From Baseline in Psoriasis Area and Severity Index (PASI-100) at Week 1232.7 percentage of participants
Secondary

Percentage of Participants Who Achieved at Least 90% Improvement From Baseline in Psoriasis Area and Severity Index (PASI-90) at Week 12

The PASI quantifies the severity of a participant's psoriasis based on both lesion severity and the percent of BSA affected. PASI is a composite scoring by the investigator of degree of erythema, induration, and scaling (each scored separately) for each of 4 body regions (head and neck, upper limbs, trunk \[including axillae and groin\], and lower limbs \[including buttocks\]), with adjustment for the percent of BSA involved for each body region and for the proportion of the body region to the whole body. The PASI composite score varies in increments of 0.1 and range from 0 (no disease) to 72 (maximal disease), with higher scores representing greater severity of psoriasis. PASI 90 response is a binary measure defined as at least a 90% improvement in PASI score at Week 12, relative to baseline PASI score.

Time frame: Baseline, Week 12

Population: The mITT analysis set included all participants who were randomized and received at least one dose of study treatment.

ArmMeasureValue (NUMBER)
PlaceboPercentage of Participants Who Achieved at Least 90% Improvement From Baseline in Psoriasis Area and Severity Index (PASI-90) at Week 120 percentage of participants
NDI-034858 2 mgPercentage of Participants Who Achieved at Least 90% Improvement From Baseline in Psoriasis Area and Severity Index (PASI-90) at Week 128.0 percentage of participants
NDI-034858 5 mgPercentage of Participants Who Achieved at Least 90% Improvement From Baseline in Psoriasis Area and Severity Index (PASI-90) at Week 1221.2 percentage of participants
NDI-034858 15 mgPercentage of Participants Who Achieved at Least 90% Improvement From Baseline in Psoriasis Area and Severity Index (PASI-90) at Week 1245.3 percentage of participants
NDI-034858 30 mgPercentage of Participants Who Achieved at Least 90% Improvement From Baseline in Psoriasis Area and Severity Index (PASI-90) at Week 1246.2 percentage of participants
Secondary

Percentage of Participants Who Achieved Physician's Global Assessment (PGA) Score of Clear (0) or Almost Clear (1) at Week 12

The PGA is a global assessment of the current state of the disease. It is a 5-point morphological assessment of overall disease severity with scores ranging from 0 to 4, where Score 0: Clear (No signs of psoriasis; post-inflammatory hyperpigmentation may be present); Score 1: Almost clear (No thickening; normal to pink coloration; no to minimal focal scaling); Score 2: Mild (Just detectable to mild thickening; pink to light red coloration; predominantly fine scaling); Score 3: Moderate (Clearly distinguishable to moderate thickening; dull to bright red; clearly distinguishable to moderate erythema; moderate scaling); Score 4: Severe (Severe thickening with hard edges; bright to deep dark red coloration; severe/coarse scaling covering almost all or all lesions). The percentage of participants who achieved a PGA score of clear (0) or almost clear (1) at Week 12 were reported.

Time frame: At Week 12

Population: The mITT analysis set included all participants who were randomized and received at least one dose of study treatment.

ArmMeasureValue (NUMBER)
PlaceboPercentage of Participants Who Achieved Physician's Global Assessment (PGA) Score of Clear (0) or Almost Clear (1) at Week 123.8 percentage of participants
NDI-034858 2 mgPercentage of Participants Who Achieved Physician's Global Assessment (PGA) Score of Clear (0) or Almost Clear (1) at Week 1210.0 percentage of participants
NDI-034858 5 mgPercentage of Participants Who Achieved Physician's Global Assessment (PGA) Score of Clear (0) or Almost Clear (1) at Week 1226.9 percentage of participants
NDI-034858 15 mgPercentage of Participants Who Achieved Physician's Global Assessment (PGA) Score of Clear (0) or Almost Clear (1) at Week 1249.1 percentage of participants
NDI-034858 30 mgPercentage of Participants Who Achieved Physician's Global Assessment (PGA) Score of Clear (0) or Almost Clear (1) at Week 1251.9 percentage of participants
Secondary

Plasma Concentrations of NDI-034858 in Participants Receiving Active Treatment

The analysis of NDI-034858 levels in plasma was performed using a validated reversed-phase Ultra High-Performance Liquid Chromatography coupled with tandem mass-spectrometry (UHPLC-MS/MS) method. Here, plasma concentrations of NDI-034858 determined at given timepoints were reported.

Time frame: Week 1: Day 1, Pre-dose and 1-hour post-dose; Week 4: Pre-dose, 1-hour and 4 hours post-dose; Week 8: Pre-dose; Week 12: Post-dose

Population: The pharmacokinetic (PK) analysis set included all participants who received at least one dose of NDI-034858 and had evaluable plasma concentration data. One participant had PK data missing at baseline (Week 1, Day 1: pre-dose) in 30 mg arm but contributed to PK analysis at post baseline timepoints. Number analyzed signifies participants who were evaluable for this outcome measure at specified timepoints. Data for this outcome measure was not planned to be collected and analyzed for placebo arm.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
PlaceboPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 1, Day 1: Pre-dose0.50 nanograms per milliliterGeometric Coefficient of Variation 0
PlaceboPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 8: Pre-dose7.31 nanograms per milliliterGeometric Coefficient of Variation 169.4
PlaceboPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 4: 4 hours Post-dose12.39 nanograms per milliliterGeometric Coefficient of Variation 126
PlaceboPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 1, Day 1: 1 hour Post-dose0.69 nanograms per milliliterGeometric Coefficient of Variation 63.7
PlaceboPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 12: Post-dose4.66 nanograms per milliliterGeometric Coefficient of Variation 182.9
PlaceboPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 4: Pre-dose7.38 nanograms per milliliterGeometric Coefficient of Variation 146.8
PlaceboPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 4: 1 hour Post-dose8.45 nanograms per milliliterGeometric Coefficient of Variation 140.7
NDI-034858 2 mgPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 8: Pre-dose11.54 nanograms per milliliterGeometric Coefficient of Variation 239.7
NDI-034858 2 mgPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 4: 1 hour Post-dose21.04 nanograms per milliliterGeometric Coefficient of Variation 167.8
NDI-034858 2 mgPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 4: Pre-dose16.22 nanograms per milliliterGeometric Coefficient of Variation 246.8
NDI-034858 2 mgPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 4: 4 hours Post-dose33.87 nanograms per milliliterGeometric Coefficient of Variation 128.3
NDI-034858 2 mgPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 12: Post-dose13.06 nanograms per milliliterGeometric Coefficient of Variation 204.6
NDI-034858 2 mgPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 1, Day 1: 1 hour Post-dose1.85 nanograms per milliliterGeometric Coefficient of Variation 247.7
NDI-034858 2 mgPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 1, Day 1: Pre-dose0.50 nanograms per milliliterGeometric Coefficient of Variation 0
NDI-034858 5 mgPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 4: 1 hour Post-dose64.28 nanograms per milliliterGeometric Coefficient of Variation 227.6
NDI-034858 5 mgPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 1, Day 1: Pre-dose0.50 nanograms per milliliterGeometric Coefficient of Variation 0
NDI-034858 5 mgPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 1, Day 1: 1 hour Post-dose2.04 nanograms per milliliterGeometric Coefficient of Variation 447.7
NDI-034858 5 mgPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 4: Pre-dose55.87 nanograms per milliliterGeometric Coefficient of Variation 224.4
NDI-034858 5 mgPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 4: 4 hours Post-dose115.04 nanograms per milliliterGeometric Coefficient of Variation 191.6
NDI-034858 5 mgPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 8: Pre-dose59.94 nanograms per milliliterGeometric Coefficient of Variation 193
NDI-034858 5 mgPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 12: Post-dose46.92 nanograms per milliliterGeometric Coefficient of Variation 357.1
NDI-034858 15 mgPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 4: Pre-dose82.81 nanograms per milliliterGeometric Coefficient of Variation 658.3
NDI-034858 15 mgPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 12: Post-dose55.51 nanograms per milliliterGeometric Coefficient of Variation 1473.5
NDI-034858 15 mgPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 8: Pre-dose103.82 nanograms per milliliterGeometric Coefficient of Variation 367.6
NDI-034858 15 mgPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 1, Day 1: 1 hour Post-dose3.59 nanograms per milliliterGeometric Coefficient of Variation 810.5
NDI-034858 15 mgPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 1, Day 1: Pre-dose0.50 nanograms per milliliterGeometric Coefficient of Variation 0
NDI-034858 15 mgPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 4: 4 hours Post-dose222.25 nanograms per milliliterGeometric Coefficient of Variation 215.8
NDI-034858 15 mgPlasma Concentrations of NDI-034858 in Participants Receiving Active TreatmentWeek 4: 1 hour Post-dose114.95 nanograms per milliliterGeometric Coefficient of Variation 322.8

Source: ClinicalTrials.gov · Data processed: Feb 5, 2026