Overview
Sponsor-declared trial summary
Moderately to Severely Active Rheumatologic Disease
RA Substudy: To assess the efficacy of SPY072 compared with placebo in reducing the disease activity of rheumatoid arthritis assessed by DAS28-CRP at Week 12. axSpA Substudy: To assess the efficacy of SPY072 compared with placebo in reducing the disease activity of axial spondyloarthritis assessed by ASDAS at Week 16.…
Key facts
- Sponsor
- Spyre Therapeutics Inc.
- Participant type
- Patients
- Age range
- 18-64 years, 65+ years
- Gender
- Male and Female
- Therapeutic area
- Diseases [C] - Immune System Diseases [C20]
- Trial duration
- 18 Dec 2025 → ongoing
- Decision date (initial)
- 2025-12-08
- Transition trial
- No
- Low-intervention
- No
- Rare-disease indication
- No
- Vulnerable population
- No
- Funding sources
- Spyre Therapeutics, Inc.
External identifiers
- EU CT number
- 2025-521791-63-00
- WHO UTN
- U1111-1320-9934
Trial design
CTIS Part I — objectives, methods, condition coding
Main objective
Scope: Pharmacogenetic, Safety, Pharmacodynamic, Efficacy, Pharmacokinetic, Pharmacogenomic
RA Substudy:
To assess the efficacy of SPY072 compared with placebo in reducing the disease activity of rheumatoid arthritis assessed by DAS28-CRP at Week 12.
axSpA Substudy:
To assess the efficacy of SPY072 compared with placebo in reducing the disease activity of axial spondyloarthritis assessed by ASDAS at Week 16.
PsA Substudy:
To assess the efficacy of SPY072 compared with placebo in reducing the disease activity of Psoriatic Arthritis as assessed by ACR20 at Week 16.
Secondary objectives 4
- RA Substudy: To assess the effect of SPY072 compared with placebo on disease activity as assessed by ACR20 at Week 12. axSpA Substudy: To assess the effect of SPY072 compared with placebo disease activity as assessed by ASAS40 at Week 16. PsA Substudy: To assess the effect of SPY072 compared with placebo disease activity as assessed by DAPSA Week 16.
- RA Substudy: To assess the PK of SPY072. axSpA Substudy: To assess the PK of SPY072. PsA Substudy: To assess the PK of SPY072.
- RA Substudy: To assess the immunogenicity of SPY072. axSpA Substudy: To assess the immunogenicity of SPY072. PsA Substudy: To assess the immunogenicity of SPY072.
- RA Substudy: To assess the safety and tolerability of SPY072. axSpA Substudy: To assess the safety and tolerability of SPY072. PsA Substudy: To assess the safety and tolerability of SPY072.
Conditions and MedDRA coding
Moderately to Severely Active Rheumatologic Disease
| Version | Level | Code | Term | System organ class |
|---|---|---|---|---|
| 23.1 | PT | 10039073 | Rheumatoid arthritis | 100000004859 |
| 21.0 | LLT | 10037160 | Psoriatic arthritis | 10028395 |
| 21.1 | PT | 10071400 | Axial spondyloarthritis | 100000004859 |
Regulatory references
- Scientific advice from competent authorities
- Food And Drug Administration
- Plan to share IPD
- No
Eligibility criteria
Principal inclusion / exclusion criteria as submitted by sponsor
Inclusion criteria 5
- RA Substudy: Documented diagnosis of RA and adherence to the meeting the 2010 ACR/European League Against Rheumatism classification criteria for ≥6 months prior to Screening. axSpA Substudy: axSpA for ≥6 months with onset age of <45 years and 1 of the following: a. Meets the modified New York criteria (1984) for axSpA including documented radiologic evidence (X-ray) based on medical records OR b. Meets the 2009 ASAS classification criteria for non-radiographic axSpA (nr-axSpA) with a history of active sacroiliitis on magnetic resonance imaging. c. Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) ≥4, AND Back pain ≥4 (from BASDAI Item 2) at Screening and Day 1. PsA Substudy: Documented diagnosis of adult-onset PsA meeting the Classification Criteria for PsA ≥6 months prior to Screening.
- RA Substudy: Moderate-to-severely active RA as defined by the presence of ≥4 swollen joints (based on 28 joint count) and ≥4 tender joints (based on 28 joint count) at Screening and Day 1. axSpA Substudy: Moderate-to-severely active axSpA defined by BOTH of the following at Screening AND Day 1: a. BASDAI ≥4, AND b. Back pain ≥4 (from BASDAI Item 2). PsA Substudy: Screening and Day 1 tender joint count ≥3 out of 68 and swollen joint count ≥3 out of 66 (dactylitis counts as 1 joint each).
- RA Substudy: Documentation of ≥1 of the following: a. Positive test results for rheumatoid factor or anti-citrullinated peptide antibodies at Screening, OR b. Radiology report documenting bony erosions in hands or feet consistent with RA on previous radiographs. axSpA Substudy: hsCRP greater than the ULN per the central laboratory at Screening. PsA Substudy: Negative for rheumatoid factor at Screening.
- RA Substudy: Class I, II, or III of the ACR 1991 Revised Criteria for Global Functional Status in RA. axSpA Substudy: Inadequate response (defined as signs and symptoms of persistently active disease, loss of response, or intolerance) to: a. 2 different NSAIDs given at the maximum tolerated dose for ≥4 weeks or intolerant to or has a contraindication to NSAID therapy; AND/OR b. ≤2 classes of bDMARD (anti-TNF or anti-IL-17/tsDMARD at an approved dose for ≥12 weeks (>2 classes of bDMARDs/tsDMARDs is exclusionary). PsA Substudy: ≥1 active plaque psoriasis lesion and/or a documented history of psoriasis.
- RA Substudy: hsCRP greater than the ULN per the central laboratory at Screening. axSpA Substudy: hsCRP greater than the ULN per the central laboratory at Screening. PsA Substudy: hsCRP greater than the ULN per the central laboratory at Screening.
Exclusion criteria 2
- RA Substudy: Inadequate response to >2 classes of bDMARDs/tsDMARDs. axSpA Substudy: Inadequate response to >2 classes of bDMARDs/tsDMARDs. PsA Substudy: Inadequate response to >2 classes of bDMARDs/tsDMARDs.
- RA Substudy: Recent exposure to any of the following: - tsDMARDs within 2 weeks prior to Day 1 or bDMARDs within 4 weeks prior to Day 1 unless drug levels are undetected. - Rituximab within 6 months prior to Day 1 unless B cell counts have recovered in the Investigator’s judgement as per local guidelines. - Cell depleting therapy including but not limited to anti-CD4, anti-CD5, anti-CD3, ocrelizumab, or ofatumumab within 1 year prior to Day 1. - Systemic tacrolimus, azathioprine, parenteral gold, 6-mercaptopurine, 6-thioguanine, cyclosporine, mycophenolate mofetil, immunoadsorption, or D-penicillamine within 4 weeks prior to Day 1, leflunomide within 24 months prior to Day 1 unless the participant has completed cholestyramine elimination treatment and leflunomide levels are undetectable. - Intramuscular, intra-articular, intra-bursal, or intravenous (IV) corticosteroids within 6 weeks prior to Day 1. axSpA Substudy: Recent exposure to any of the following: - tsDMARDs within 2 weeks prior to Day 1 or bDMARDs within 4 weeks prior to Day 1 unless drug levels undetected. - Rituximab within 6 months unless B cell counts have recovered in the Investigator’s judgement as per local guidelines). - Intramuscular, intra-articular, intra-bursal, or IV corticosteroids: within 6 weeks prior to Day 1. PsA Substudy: Exposure to the following: - tsDMARDs within 2 weeks or bDMARDs within 4 weeks prior to Day 1, unless drug levels are undetectable. - Systemic tacrolimus, azathioprine, parenteral gold, 6-mercaptopurine, 6-thioguanine, cyclosporine, mycophenolate mofetil, immunoadsorption, or D-penicillamine within 4 weeks prior to Day 1. - Leflunomide within 24 months unless the participant has completed cholestyramine elimination treatment and leflunomide levels are undetectable. - Intramuscular, intra-articular, intra-bursal, or IV corticosteroids: within 6 weeks prior to Day 1.
Endpoints
Primary and secondary outcome measures (English text)
Primary endpoints 1
- RA Substudy: Change from baseline in DAS28-CRP at Week 12. axSpA Substudy: Change in ASDAS from baseline to Week 16. PsA Substudy: Proportion of participants who achieve an ACR20 response at Week 16.
Secondary endpoints 4
- RA Substudy: Proportion of participants who achieve an ACR20 response at Week 12. axSpA Substudy: Proportion of participants who achieve an ASAS40 response at Week 16. PsA Substudy: Change in DAPSA from baseline to Week 16.
- RA Substudy: PK concentration through Week 12. axSpA Substudy: PK concentration through Week 16. PsA Substudy: PK concentration through Week 16.
- RA Substudy: The proportion of participants with ADA through Week 12. axSpA Substudy: The proportion of participants with ADA through Week 16. PsA Substudy: The proportion of participants with ADA through Week 16.
- RA Substudy: Incidence of TEAEs, SAEs, AESIs, and AEs leading to IP discontinuation through Week 12 and through the end of study. axSpA Substudy: Incidence of TEAEs, SAEs, AESIs, and AEs leading to IP discontinuation through Week 16 and through the end of study. PsA Substudy: Incidence of TEAEs, SAEs, AESIs, and AEs leading to IP discontinuation at Week 16 and through the end of study.
Investigational products
Investigational medicinal products (IMPs), comparators, placebo, auxiliary
Test 1
PRD12626918 · Product
- Active substance
- SPY072
- Pharmaceutical form
- SOLUTION FOR INJECTION
- Route of administration
- SUBCUTANEOUS INJECTION
- Max daily dose
- 00 mg milligram(s)
- Max total dose
- 00 mg milligram(s)
- Max treatment duration
- 40 Week(s)
- Authorisation status
- Not Authorised
- MA holder
- SPYRE THERAPEUTICS INC.
- Paediatric formulation
- No
- Orphan designation
- No
Placebo 1
N/A · Product
- Other product name
- N/A
- Pharmaceutical form
- N/A
- ATC code
- N/A — N/A
- Marketing authorisation
- N/A
- MA holder
- N/A
- MA country
- Iceland
- Paediatric formulation
- No
Sponsors and contacts
Sponsor organisations, regulatory contacts, third parties
Spyre Therapeutics Inc.
- Sponsor organisation
- Spyre Therapeutics Inc.
- Address
- 221 Crescent Street Building 23 Suite 105
- City
- Waltham
- Postcode
- 02453-3425
- Country
- United States
Scientific contact point
- Organisation
- Spyre Therapeutics Inc.
- Contact name
- SKYWAY-RD Trial Center
Public contact point
- Organisation
- Spyre Therapeutics Inc.
- Contact name
- SKYWAY-RD Trial Center
Third parties 13
| Organisation | City, country | Duties |
|---|---|---|
| Syneos Health Inc. ORG-100008382
|
Morrisville, United States | Code 8 |
| Labcorp Central Laboratory Services LP ORG-100032236
|
Indianapolis, United States | Laboratory analysis |
| Q2 Solutions LLC ORG-100017000
|
Ithaca, United States | Laboratory analysis |
| Bioclinica Inc. ORG-100033079
|
Philadelphia, United States | Other |
| Deltamed Solutions Inc. ORG-100051316
|
Somerset, United States | Code 10 |
| Bioagilytix Labs LLC ORG-100013030
|
Durham, United States | Other, Laboratory analysis |
| Fisher Clinical Services GmbH ORG-100012942
|
Allschwil, Switzerland | Other, Code 5, Data management, Code 8, Code 9 |
| 4g Clinical LLC ORG-100042775
|
Wellesley, United States | Interactive response technologies (IRT) |
| Medidata Solutions Inc. ORG-100016256
|
New York, United States | E-data capture |
| Bioagilytix Labs LLC ORG-100013030
|
Morrisville, United States | Laboratory analysis |
| Parexel International (IRL) Limited ORG-100022780
|
Dublin 2, Ireland | On site monitoring, Code 11, Code 2, Code 5, Data management, Code 8 |
| Labcorp Central Laboratory Services SARL ORG-100011524
|
Meyrin, Switzerland | Laboratory analysis |
| Discovery Life Sciences LLC ORG-100046461
|
Huntsville, United States | Other, Laboratory analysis |
Locations
4 EU/EEA countries · 23 investigational sites
By country
| Country | MS status | Planned subjects | Sites |
|---|---|---|---|
| Bulgaria | Ongoing, recruitment ended | 63 | 5 |
| Czechia | Ongoing, recruitment ended | 70 | 6 |
| Poland | Ongoing, recruitment ended | 67 | 8 |
| Spain | Ongoing, recruitment ended | 36 | 4 |
| Rest of world
Ukraine, Georgia, United States, Moldova, Republic of, Bosnia and Herzegovina
|
— | 183 | — |
Investigational sites
Country notifications
Trial-start, recruitment-start, end and early-termination notifications submitted per Member State
| Country | Trial start | Trial end | Recruitment start | Recruitment end | Early termination |
|---|---|---|---|---|---|
| Bulgaria | 2025-12-25 | 2026-01-29 | 2026-05-07 | ||
| Czechia | 2025-12-18 | 2026-01-12 | 2026-05-07 | ||
| Poland | 2025-12-18 | 2025-12-22 | 2026-05-07 | ||
| Spain | 2026-01-12 | 2026-02-09 | 2026-05-07 |
Results and documents
Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial
Documents 56 files
Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.
| Type | Title | Version |
|---|---|---|
| Protocol (for publication) | D1_Protocol 2025-521791-63_Redacted_Public | 2.0 |
| Protocol (for publication) | D1_Protocol Administrative Clarification Letter 2025-521791-63_Redacted_Public | 2.0 |
| Protocol (for publication) | D4_Patient facing documents_eCOA Tablet_ASAS-HI | 1.00 |
| Protocol (for publication) | D4_Patient facing documents_eCOA Tablet_BASDAI | NA |
| Protocol (for publication) | D4_Patient facing documents_eCOA Tablet_BASFI | NA |
| Protocol (for publication) | D4_Patient facing documents_eCOA Tablet_HAQ-DI | NA |
| Protocol (for publication) | D4_Patient facing documents_eCOA Tablet_PainVAS | NA |
| Protocol (for publication) | D4_Patient facing documents_eCOA Tablet_PtGA-DA (AS) | NA |
| Protocol (for publication) | D4_Patient facing documents_eCOA Tablet_PtGA-DA (PA) | 1 |
| Protocol (for publication) | D4_Patient facing documents_eCOA Tablet_PtGA-DA (RA) | NA |
| Protocol (for publication) | D4_Site-Patient facing documents_eCOA Tablet_BSA PASI | NA |
| Protocol (for publication) | D4_Site-Patient facing documents_eCOA Tablet_DSS | NA |
| Protocol (for publication) | D4_Site-Patient facing documents_eCOA Tablet_LEI | NA |
| Protocol (for publication) | D4_Site-Patient facing documents_eCOA Tablet_PhGA-DA | NA |
| Protocol (for publication) | D4_Site-Patient facing documents_eCOA Tablet_SJCTJC 66-68 | NA |
| Recruitment arrangements (for publication) | K1_Recruitment and Informed Consent Procedure combined_ Czech and English Public | 1.0 |
| Recruitment arrangements (for publication) | K1_Recruitment and Informed Consent Procedure combined_Polish and English | 1.10 |
| Recruitment arrangements (for publication) | K1_Recruitment Procedure Description_Bulgarian_Public | 1.0 |
| Recruitment arrangements (for publication) | K1_Recruitment Procedure Description_English_Public | 1.0 |
| Recruitment arrangements (for publication) | K2_Recruitment Flyer_Bulgarian_Public | 1.0 |
| Recruitment arrangements (for publication) | K2_Recruitment Flyer_Czech Public | 1.0 |
| Recruitment arrangements (for publication) | K2_Recruitment Flyer_Polish and English_Public | 1.0 |
| Recruitment arrangements (for publication) | K2_Recruitment Flyer_Spanish_Public | 1.0 |
| Recruitment arrangements (for publication) | K2_Recruitment Poster_Bulgarian_Public | 1.0 |
| Recruitment arrangements (for publication) | K2_Recruitment Poster_Czech Public | 1.0 |
| Recruitment arrangements (for publication) | K2_Recruitment Poster_Polish and English_Public | 1.0 |
| Recruitment arrangements (for publication) | K2_Recruitment Poster_Spanish_Public | 1.0 |
| Recruitment arrangements (for publication) | K2_Recruitment Social Media_Bulgarian_Public | 1.0 |
| Recruitment arrangements (for publication) | K2_Recruitment Social Media_Czech Public | 1.0 |
| Recruitment arrangements (for publication) | K2_Recruitment Social Media_Polish and English_Public | 1.0 |
| Recruitment arrangements (for publication) | K2_Recruitment Social Media_Spanish_Public | 1.0 |
| Subject information and informed consent form (for publication) | L1__Country ICF Biobank Adult_Czech_Public | 1.1 |
| Subject information and informed consent form (for publication) | L1_Country ICF - Pregnant Form Adult_Spanish_Public | 1.0 |
| Subject information and informed consent form (for publication) | L1_Country ICF - Pregnant Form_Bulgarian_Public | 1.0 |
| Subject information and informed consent form (for publication) | L1_Country ICF - Pregnant Form_English_Public | 1.0 |
| Subject information and informed consent form (for publication) | L1_Country ICF - Pregnant Form_Polish_Public | 1.0 |
| Subject information and informed consent form (for publication) | L1_Country ICF - Research and Genetic Testing_Spanish_Public | 1.0 |
| Subject information and informed consent form (for publication) | L1_Country ICF Genetic Adult_Czech_Public | 1.0 |
| Subject information and informed consent form (for publication) | L1_Country ICF Main _English_Public | 2.0 |
| Subject information and informed consent form (for publication) | L1_Country ICF Main Adult axSpA for enrolled Czech Public | 2.0 |
| Subject information and informed consent form (for publication) | L1_Country ICF Main Adult axSpA_Czech_Public | 2.0 |
| Subject information and informed consent form (for publication) | L1_Country ICF Main Adult PsA for enrolled Czech Public | 2.0 |
| Subject information and informed consent form (for publication) | L1_Country ICF Main Adult PsA_Czech_Public | 2.0 |
| Subject information and informed consent form (for publication) | L1_Country ICF Main Adult RA for enrolled Czech Public | 2.0 |
| Subject information and informed consent form (for publication) | L1_Country ICF Main Adult RA_Czech_Public | 2.0 |
| Subject information and informed consent form (for publication) | L1_Country ICF Main Adult_Spanish_Public | 2.0 |
| Subject information and informed consent form (for publication) | L1_Country ICF Main_Bulgarian_Public | 2.0 |
| Subject information and informed consent form (for publication) | L1_Country ICF Main_Polish_Public | 2.0 |
| Subject information and informed consent form (for publication) | L1_Country ICF Pregnant Form Adult_Czech_Public | 1.1 |
| Subject information and informed consent form (for publication) | L1_Country ICF Privacy Adult_Czech_Public | 1.0 |
| Subject information and informed consent form (for publication) | L2_Subject Participation Card_Czech_Public | 1.0 |
| Synopsis of the protocol (for publication) | D1_Lay Protocol synopsis BG 2025-521791-63 Public | 1.0 |
| Synopsis of the protocol (for publication) | D1_Lay Protocol synopsis CZ 2025-521791-63 Public | 1.0 |
| Synopsis of the protocol (for publication) | D1_Lay Protocol synopsis EN 2025-521791-63 Public | 1.0 |
| Synopsis of the protocol (for publication) | D1_Lay Protocol synopsis ES 2025-521791-63 Public | 1.0 |
| Synopsis of the protocol (for publication) | D1_Lay Protocol synopsis PL 2025-521791-63 Public | 1.0 |
Application history
2 submissions — initial application plus substantial / non-substantial modifications
| # | Type | Code | Submitted | Reference MS | Conclusion | Decision date |
|---|---|---|---|---|---|---|
| 1 | INITIAL | IN | 2025-08-18 | Bulgaria | Acceptable 2025-11-20
|
2025-11-25 |
| 2 | SUBSTANTIAL MODIFICATION | SM-1 | 2026-02-12 | Bulgaria | Acceptable 2026-04-22
|
2026-04-24 |