Asthma, Atopic Dermatitis, Psoriasis
Conditions
Brief summary
This Phase 1 study will investigate the safety and tolerability of EDP1867 in healthy volunteers, participants with atopic dermatitis, and, optionally, in participants with psoriasis and/or asthma.
Detailed description
This is a phase 1a/1b, first in human, participant and investigator-blind sponsor-unblinded randomized placebo-controlled multiple dose study of EDP1867 in healthy volunteers and participants with moderate atopic dermatitis and, optionally, moderate psoriasis, and/or mild asthma. This study has been designed to investigate the clinical safety and tolerability of EDP1867 in healthy volunteers, participants with atopic dermatitis, and, optionally, in participants with psoriasis and/or asthma.
Interventions
DRUGEDP1867
EDP1867 is an orally administered, pharmaceutical preparation of a single strain of bacteria
DRUGPlacebo
Placebo oral capsule
Sponsors
Evelo Biosciences, Inc.
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)
Eligibility
Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
Yes
Inclusion criteria
Key Inclusion Criteria: 1. Age ≥ 18 years to 65 years. 2. Participant has a body mass index of ≥ 18 kg/m2 to ≤ 35 kg/m2. 3. Participants who are overtly healthy as determined by medical evaluation including medical history, physical examination, laboratory tests, and ECG monitoring at Screening and at Baseline. Additional Inclusion Criteria for Participants with Moderate Atopic Dermatitis 4. Participant has moderate atopic dermatitis with a minimum of 5% and a maximum of 40% BSA involvement, and an IGA score of 2 or 3. 5. Participant has had a confirmed diagnosis of atopic dermatitis for at least 6 months. 6. All participants must be using an emollient and should continue to use this once daily (or more, as needed) for at least 14 days prior to randomisation, and must continue this treatment once daily (or more, as needed) throughout the study. Additional Inclusion Criteria for Participants with Moderate Psoriasis 7. Participant has moderate plaque psoriasis with plaque covering BSA of ≥3% and ≤10% and meets both of the following additional criteria: 1. PASI score of ≥6 and ≤15, and 2. PGA score of 2 or 3. 8. Participant has a confirmed diagnosis of plaque psoriasis for at least 6 months. Additional Inclusion Criteria for Participants with Mild Asthma 9. Participant has a diagnosis of stable asthma for at least six months 10. FeNO of ≥40ppb. 11. FEV1 ≥70% of predicted normal. Key
Exclusion criteria
1. Participant has received live attenuated vaccination within 6 weeks prior to Screening or intends to have such a vaccination during the course of the study (non-live vaccines are permitted). 2. Participant requires treatment with an anti-inflammatory drug during the study period. 3. Participant has an active infection (e.g. sepsis, pneumonia, abscess) or has had an infection requiring antibiotic treatment within 6 weeks prior to study intervention administration. 4. Participant has renal or liver impairment 5. Participant has active neoplastic disease or history of neoplastic disease within 5 years of Screening 6. Participant has undergone major surgery within 4 weeks prior to Screening. 7. Any known cardiac abnormality 8. Participant has a known history of human immunodeficiency virus (HIV) 9. Known, active hepatitis A, hepatitis B (HBV), or hepatitis C (HCV) infection 10. Participant with any type of GI tract disease 11. Participants with a history of any serious psychiatric condition; or on therapy for any psychiatric condition 12. The participant has taken any over-the-counter (OTC) or prescription medication, within 14 days prior to baseline (Day -1); or anticipates an inability to abstain from these products for the duration of the study period 13. The participant has a significant history of drug abuse or regular use of illicit drugs or a history of alcohol abuse within 1 year prior to Screening or has tested positive for drugs of abuse or alcohol at Screening or at baseline. 14. The participant has had an acute, clinically significant illness within 30 days prior to the first dose of study intervention. Additional
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Safety and tolerability measured through lab measurements | Day 1 to Day 70 | Number of participants with clinically significant change from baseline (Day 0) in laboratory values |
| Safety and tolerability measured through Adverse Events (AEs) | Day 1 to Day 70 | Number of participants with AEs by seriousness and relationship to treatment |
| Safety and tolerability measured through ECG | Day 1 to Day 70 | Number of participants with clinically relevant changes from baseline (Day 0) ECG parameters |
| Safety and tolerability measured through physical examination | Day 1 to Day 70 | Physical examination will include, at a minimum, assessments of the cardiovascular, respiratory, oral cavity, GI and neurological systems. Height and weight will also be measured and recorded. Number of participants with clinically relevant changes from baseline (Day 0) physical examination parameters |
| Safety and tolerability measured through vital signs | Day 1 to Day 70 | Blood pressure, pulse rate, respiratory rate, oxygen saturations and temperature will be assessed. Number of participants with clinically relevant changes in vital signs from baseline (Day 0) |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Change in BSA | Day 1 to Day 70 | The clinical improvement in subjects with atopic dermatitis will be measured using the change from baseline in BSA (Body Surface Area) |
| Percentage change in BSA | Day 1 to Day 70 | The clinical improvement in subjects with atopic dermatitis will be measured using the percentage change from baseline in BSA (Body Surface Area) |
| Change in IGA x BSA | Day 1 to Day 70 | The clinical improvement in subjects with atopic dermatitis will be measured using the change from baseline in IGA x BSA \[IGA = Investigator's Global Assessment, BSA = Body Surface Area\] |
| Percentage change in IGA x BSA | Day 1 to Day 70 | The clinical improvement in subjects with atopic dermatitis will be measured using the percentage change from baseline in IGA x BSA \[IGA = Investigator's Global Assessment, BSA = Body Surface Area\] |
| Change in DLQI score | Day 1 to Day 70 | The clinical improvement in subjects with atopic dermatitis will be measured using the change from baseline in DLQI (Dermatology Life Quality Index) score |
| Change in POEM score | Day 1 to Day 70 | The clinical improvement in subjects with atopic dermatitis will be measured using the change from baseline in POEM (Patient-Oriented Eczema Measure) score |
| Change in Pruritis NRS average itch score | Day 1 to Day 70 | The clinical improvement in subjects with atopic dermatitis will be measured using the change from baseline in Pruritis NRS (Numerical Rating Scale) average itch score |
| Achievement of EASI-50 | Day 1 to Day 70 | The clinical improvement in subjects with atopic dermatitis will be measured using achievement of EASI-50 at day 70 |
| Achievement of EASI-75 | Day 1 to Day 70 | The clinical improvement in subjects with atopic dermatitis will be measured using achievement of EASI-75 at day 70 |
| Achievement of IGA 0 or 1 | Day 1 to Day 70 | The clinical improvement in subjects with atopic dermatitis will be measured using achievement of IGA 0 or 1 at day 70 |
| Change in PASI score | Day 1 to Day 70 | The clinical improvement in subjects with psoriasis will be measured using change from baseline in PASI score (Psoriasis Area and Severity Index Score) |
| Percentage change in PASI score | Day 1 to Day 70 | The clinical improvement in subjects with psoriasis will be measured using percentage change from baseline in PASI score (Psoriasis Area and Severity Index Score) |
| Change in LSS | Day 1 to Day 70 | The clinical improvement in subjects with psoriasis will be measured using change from baseline in LSS (Lesion Severity Score) |
| Change in PGA x BSA | Day 1 to Day 70 | The clinical improvement in subjects with psoriasis will be measured using change from baseline in PGA x BSA \[PGA= Physician's Global Assessment; BSA = Body Surface Area) |
| Percentage change in PGA x BSA | Day 1 to Day 70 | The clinical improvement in subjects with psoriasis will be measured using percentage change from baseline in PGA x BSA \[PGA= Physician's Global Assessment; BSA = Body Surface Area) |
| Change in FVC | Day 1 to Day 70 | The clinical improvement in subjects with asthma will be measured using change from baseline in FVC (Forced Vital Capacity) |
| Change in DLQI | Day 1 to Day 70 | The clinical improvement in subjects with psoriasis will be measured using change from baseline in DLQI (Dermatology Life Quality Index) score |
| Achievement of PASI-50 | Day 1 to Day 70 | The clinical improvement in subjects with psoriasis will be measured using achievement of PASI-50 at Day 70 |
| Change in FEV1/FVC ratio | Day 1 to Day 70 | The clinical improvement in subjects with asthma will be measured using change from baseline in FEV1/FVC ratio |
| Percentage change in FVC | Day 1 to Day 70 | The clinical improvement in subjects with asthma will be measured using percentage change from baseline in FVC (Forced Vital Capacity) |
| Achievement of PASI-75 | Day 1 to Day 70 | The clinical improvement in subjects with psoriasis will be measured using achievement of PASI-75 at Day 70 |
| Achievement of PGA of 0 or 1 | Day 1 to Day 70 | The clinical improvement in subjects with psoriasis will be measured using achievement of PGA of 0 or 1 at Day 70 |
| Change in FeNO | Day 1 to Day 70 | The clinical improvement in subjects with asthma will be measured using change from baseline in FeNO (Fractional exhaled Nitric Oxide) |
| Percentage change in FeNO | Day 1 to Day 70 | The clinical improvement in subjects with asthma will be measured using percentage change from baseline in FeNO |
| Change in FEV1 | Day 1 to Day 70 | The clinical improvement in subjects with asthma will be measured using change from baseline in FEV1 (Forced Expiratory Volume) |
| Percentage change in FEV1 | Day 1 to Day 70 | The clinical improvement in subjects with asthma will be measured using percentage change from baseline in FEV1 (Forced Expiratory Volume) |
| Percentage change in FEV1/FVC ratio | Day 1 to Day 70 | The clinical improvement in subjects with asthma will be measured using percentage change from baseline in FEV1/FVC ratio |
| Change in PEF | Day 1 to Day 70 | The clinical improvement in subjects with asthma will be measured using change from baseline in PEF (Peak Expiratory Flow) |
| Percentage change in PEF | Day 1 to Day 70 | The clinical improvement in subjects with asthma will be measured using percentage change from baseline in PEF (Peak Expiratory Flow) |
| Change in number of exacerbations | Day 1 to Day 56 | The clinical improvement in subjects with asthma will be measured using change from baseline in number of exacerbations across the treatment period |
| Occurrence of any exacerbation | Day 1 to Day 56 | The clinical improvement in subjects with asthma will be measured using the occurrence of any exacerbation during the treatment period |
| Number of puffs of SABA medication | Day 1 to Day 56 | The clinical improvement in subjects with asthma will be measured using the number of puffs of SABA medication used in the 7 days prior to Day 28 and Day 56 |
| Change in Pruritis NRS worst itch score | Day 1 to Day 70 | The clinical improvement in subjects with atopic dermatitis will be measured using the change from baseline in Pruritis NRS (Numerical Rating Scale) worst itch score |
| Use of any SABA medication | Day 1 to Day 56 | The clinical improvement in subjects with asthma will be measured using the occurrence of use of any SABA medication during the treatment period |
| Change in EASI score | Day 1 to Day 70 | The clinical improvement in subjects with atopic dermatitis will be measured using the change from baseline in EASI (Eczema Area and Severity Index) score |
| Percentage change in EASI score | Day 1 to Day 70 | The clinical improvement in subjects with atopic dermatitis will be measured using the percentage change from baseline in EASI (Eczema Area and Severity Index) score |
| Change in SCORAD score | Day 1 to Day 70 | The clinical improvement in subjects with atopic dermatitis will be measured using the change from baseline in SCORAD (SCORing Atopic Dermatitis) score |
| Percentage change in SCORAD score | Day 1 to Day 70 | The clinical improvement in subjects with atopic dermatitis will be measured using the percentage change from baseline in SCORAD (SCORing Atopic Dermatitis) score |
Countries
United Kingdom
Outcome results
None listed