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The funding sponsor terminated our study and will conduct a multicenter national study in its place.
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| Name | Class |
|---|---|
| Boehringer Ingelheim | INDUSTRY |
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The purpose of this research study is to assess the feasibility of using spesolimab in participants with moderate to severe pyoderma gangrenosum. Pyoderma gangrenosum is a rare, inflammatory, autoimmune condition which results in ulceration of skin. The study will also investigate the body's immune response to the spesolimab (when the body detects and defends itself against substances that appear unknown and harmful).
To date, there is no gold standard for treatment of PG. Patients with pyoderma gangrenosum suffer from severe pain and poor quality of life due to frequent dressing changes and disfiguring lesions. More importantly, rapidly progressing ulcers present an important risk for infection, morbidity, and mortality for patients. Spesolimab is humanized antagonistic monoclonal IgG1 antibody that blocks human IL36R signalling and subsequent downstream pro-inflammatory pathways. The IL-36 receptor blocker was recently approved for generalized pustular psoriasis (GPP). The research team hypothesize that targeting IL-36 in refractory, ulcerative postoperative PG may result in regression and resolution of a patient's lesions.
There are, at minimum, a total of 14 or 15 visits which will include physical exams, blood testing and infectious disease testing, completing questionnaires, and photographs and assessment of skin affected by PG. Spesolimab will be administered via a 90-minute infusion every 3 or 4 weeks (depending on response at Visit 4) at 8 or 9 Visits during the study.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Spesolimab | Experimental | 900 mg of spesolimab intravenously (IV) |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Spesolimab | Drug | 900 mg of spesolimab intravenously (IV) administered every 4 weeks at Visits 2, 3, 4, 5, 6, 7, 8, 9. If at visit 4 dosing schedule changes to every 3 weeks, Spesolimab will be administered at Visits 2, 3, 4, 5, 6, 8, 9, 10 and 11. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Global Pyoderma Gangrenosum (GPG) Severity Score | Change in GPG severity score at week 16 from baseline in target lesion 0. Completely clear; evidence of cribriform scarring, re-epithelization and possible residual hyperpigmentation. 0% ulceration apparent, lesion is dry.
| Baseline and Week 16 |
| Measure | Description | Time Frame |
|---|---|---|
| Number of Lesions With Complete Re-epithelization of PG Lesions | Number of lesions with Complete re-epithelization of PG lesions = GPG Score 0 GPG Score 0 - Completely clear; evidence of cribriform scarring, re-epithelization and possible residual hyperpigmentation. 0% ulceration apparent and lesion is dry | Up to Week 28 |
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Inclusion Criteria:
Male or female subjects ≥ 18 years of age at the time of signing the informed consent document
Subject is able to understand and voluntarily sign an informed consent document prior to participation in any study assessments or procedures
Subject is able to adhere to the study visit schedule and other protocol requirements.
Subject has clinically diagnosed ulcerative PG with PARACELSUS score greater than or equal to 10
Subject has at least one clinically measurable ulcerative PG lesion on body that has failed to respond to at least one prior therapy such as (but not limited to) topical corticosteroids, intralesional triamcinolone, prednisone, cyclosporine, IL-23 inhibitor, IL-17 inhibitors, IL-1 inhibitors, or TNF-α- blocker therapy
Subject has moderate to severe PG as determined by a GPG severity score of ≥3
Subject is judged to be in otherwise good overall health as judged by the investigator, based on medical history, limited physical examination, and laboratory testing. (NOTE: The definition of good health means a subject does not have uncontrolled significant co-morbid conditions).
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 contraceptive 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:
The female subject's chosen form of contraception must be effective by the time the female subject presents for her Baseline visit (for example, hormonal contraception should be initiated at least 28 days before first spesolimab infusion at Baseline).
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Saakshi Khattri, MD | Icahn School of Medicine at Mount Sinai | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Icahn School of Medicine at Mount Sinai | New York | New York | 10029 | United States |
Data will be analyzed as aggregated data.
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| ID | Title | Description |
|---|---|---|
| FG000 | Spesolimab | 900 mg of spesolimab intravenously (IV) Spesolimab: 900 mg of spesolimab intravenously (IV) administered every 4 weeks at Visits 2, 3, 4, 5, 6, 7, 8, 9. If at visit 4 dosing schedule changes to every 3 weeks, Spesolimab will be administered at Visits 2, 3, 4, 5, 6, 8, 9, 10 and 11. |
| Title | Milestones | Reasons Not Completed | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
|
|
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| ID | Title | Description |
|---|---|---|
| BG000 | Spesolimab | 900 mg of spesolimab intravenously (IV) Spesolimab: 900 mg of spesolimab intravenously (IV) administered every 4 weeks at Visits 2, 3, 4, 5, 6, 7, 8, 9. If at visit 4 dosing schedule changes to every 3 weeks, Spesolimab will be administered at Visits 2, 3, 4, 5, 6, 8, 9, 10 and 11. |
| Units | Counts |
|---|---|
| Participants |
|
| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Continuous | Mean |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | Change in Global Pyoderma Gangrenosum (GPG) Severity Score | Change in GPG severity score at week 16 from baseline in target lesion 0. Completely clear; evidence of cribriform scarring, re-epithelization and possible residual hyperpigmentation. 0% ulceration apparent, lesion is dry.
| Includes all participants who did not withdraw | Posted | Mean | Standard Deviation | score on a scale | Baseline and Week 16 |
|
Last dose (Week 26 or 28), up to 1 weeks post-spesolimab last dose
Includes all participants who did not withdraw
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | Spesolimab | 900 mg of spesolimab intravenously (IV) Spesolimab: 900 mg of spesolimab intravenously (IV) administered every 4 weeks at Visits 2, 3, 4, 5, 6, 7, 8, 9. If at visit 4 dosing schedule changes to every 3 weeks, Spesolimab will be administered at Visits 2, 3, 4, 5, 6, 8, 9, 10 and 11. |
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| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| Deep Vein Thrombosis (DVT) | Blood and lymphatic system disorders | Systematic Assessment |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Giselle Singer | Icahn School of Medicine at Mount Sinai | 212-241-3288 | giselle.singer@mssm.edu |
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot_SAP | Yes | Yes | No | Study Protocol and Statistical Analysis Plan | Feb 27, 2024 | Jan 14, 2026 | Prot_SAP_001.pdf |
| ICF | No | No | Yes | Informed Consent Form | Aug 6, 2024 | Sep 5, 2025 | ICF_000.pdf |
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| ID | Term |
|---|---|
| D017511 | Pyoderma Gangrenosum |
| ID | Term |
|---|---|
| D011711 | Pyoderma |
| D012871 | Skin Diseases |
| D017437 | Skin and Connective Tissue Diseases |
| D017445 | Skin Diseases, Vascular |
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| ID | Term |
|---|---|
| C000712973 | spesolimab |
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Open-label study
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| Absolute Change in Patient-reported Pain Severity (Pain-VAS) Score |
Absolute change at Week 28 from baseline in patient-reported pain severity (Pain-VAS). Patient Pain Visual Analogue Scale (VAS): Patients will be asked to report pain scores at each visit. Patients will report scores on a scale of 0 to 10. 0 signifies no pain and 10 signifies the worst pain imaginable. Higher scores indicate increased levels of pain. |
| Baseline and at Week 28 |
| Absolute Change in Dermatology Life Quality Index (DLQI) | Absolute Change at week 28 from baseline in DLQI. The DLQI is a validated questionnaire consisting of 10 questions that has been used in many randomized controlled trials in dermatology. Scoring of each question is as follows: Very much - 3 A lot - 2 A little - 1 Not at all - 0 Not relevant - 0 Question unanswered - 0 The DLQI is calculated by summing the score of each question with total scale from 0-30. Higher score represents a quality of life that is more impaired. Definition of DLQI Scores 0-1 = no effect at all on patient's life 2-5 = small effect on patient's life 6-10 = moderate effect on patient's life 11-20 = very large effect on patient's life 21-30 = extremely large effect on patient's life A change in DLQI score of at least 4 points is considered clinically important. Such change suggests that there has actually been a meaningful change in that patient's quality of life since the previous measurement of his/her/their DLQI scores. | Baseline and at Week 28 |
| Number of Recurrence of PG Lesions (GPG >0) After Achieving Complete Re-epithelialization (GPG Score 0) and Spesolimab Cessation | GPG Severity Score Scale: 0. Completely clear; evidence of cribriform scarring, re-epithelization and possible residual hyperpigmentation. 0% ulceration apparent, lesion is dry
| Last dose (Week 26 or 28) up to 16 week post-spesolimab last dose |
| Number of Lesions With Global Pyoderma Gangrenosum (GPG) Severity Score of 1 | Lesions with GPG score of 1 Scale: 0. Completely clear; evidence of cribriform scarring, re-epithelization and possible residual hyperpigmentation. 0% ulceration apparent and lesion is dry
| Last dose (Week 26 or 28) up to 16 week post-spesolimab last dose |
| years |
|
| Sex: Female, Male | Count of Participants | Participants |
|
| Ethnicity (NIH/OMB) | Count of Participants | Participants |
|
| Race (NIH/OMB) | Count of Participants | Participants |
|
| Title |
|---|
| Description |
|---|
| OG000 | Spesolimab | 900 mg of spesolimab intravenously (IV) Spesolimab: 900 mg of spesolimab intravenously (IV) administered every 4 weeks at Visits 2, 3, 4, 5, 6, 7, 8, 9. If at visit 4 dosing schedule changes to every 3 weeks, Spesolimab will be administered at Visits 2, 3, 4, 5, 6, 8, 9, 10 and 11. |
|
|
| Secondary | Number of Lesions With Complete Re-epithelization of PG Lesions | Number of lesions with Complete re-epithelization of PG lesions = GPG Score 0 GPG Score 0 - Completely clear; evidence of cribriform scarring, re-epithelization and possible residual hyperpigmentation. 0% ulceration apparent and lesion is dry | Includes all participants who did not withdraw | Posted | Number | lesions | Up to Week 28 | lesions | lesions |
|
|
|
| Secondary | Absolute Change in Patient-reported Pain Severity (Pain-VAS) Score | Absolute change at Week 28 from baseline in patient-reported pain severity (Pain-VAS). Patient Pain Visual Analogue Scale (VAS): Patients will be asked to report pain scores at each visit. Patients will report scores on a scale of 0 to 10. 0 signifies no pain and 10 signifies the worst pain imaginable. Higher scores indicate increased levels of pain. | Includes all participants who did not withdraw | Posted | Mean | Standard Deviation | absolute change of score on a scale | Baseline and at Week 28 |
|
|
|
| Secondary | Absolute Change in Dermatology Life Quality Index (DLQI) | Absolute Change at week 28 from baseline in DLQI. The DLQI is a validated questionnaire consisting of 10 questions that has been used in many randomized controlled trials in dermatology. Scoring of each question is as follows: Very much - 3 A lot - 2 A little - 1 Not at all - 0 Not relevant - 0 Question unanswered - 0 The DLQI is calculated by summing the score of each question with total scale from 0-30. Higher score represents a quality of life that is more impaired. Definition of DLQI Scores 0-1 = no effect at all on patient's life 2-5 = small effect on patient's life 6-10 = moderate effect on patient's life 11-20 = very large effect on patient's life 21-30 = extremely large effect on patient's life A change in DLQI score of at least 4 points is considered clinically important. Such change suggests that there has actually been a meaningful change in that patient's quality of life since the previous measurement of his/her/their DLQI scores. | Includes all participants who did not withdraw | Posted | Mean | Standard Deviation | absolute change in score on a scale | Baseline and at Week 28 |
|
|
|
| Secondary | Number of Recurrence of PG Lesions (GPG >0) After Achieving Complete Re-epithelialization (GPG Score 0) and Spesolimab Cessation | GPG Severity Score Scale: 0. Completely clear; evidence of cribriform scarring, re-epithelization and possible residual hyperpigmentation. 0% ulceration apparent, lesion is dry
| Includes all participants who did not withdraw | Posted | Number | lesions | Last dose (Week 26 or 28) up to 16 week post-spesolimab last dose | lesions | lesions |
|
|
|
| Secondary | Number of Lesions With Global Pyoderma Gangrenosum (GPG) Severity Score of 1 | Lesions with GPG score of 1 Scale: 0. Completely clear; evidence of cribriform scarring, re-epithelization and possible residual hyperpigmentation. 0% ulceration apparent and lesion is dry
| Includes all participants who did not withdraw | Posted | Number | lesions | Last dose (Week 26 or 28) up to 16 week post-spesolimab last dose | lesions | lesions |
|
|
|
| 0 |
| 3 |
| 0 |
| 3 |
| 2 |
| 3 |
| Hyperlipidemia | General disorders | Systematic Assessment |
|
| Worsening Pyoderma Gangrosum (PG) | Skin and subcutaneous tissue disorders | Systematic Assessment |
|
| Corneal Abrasion | Eye disorders | Systematic Assessment |
|
| Hypertension | General disorders | Systematic Assessment |
|
| Intermittent Leg Swelling | Blood and lymphatic system disorders | Systematic Assessment |
|
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| D012883 |
| Skin Ulcer |