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Ulcerative ColitisPhase 1NCT03943550

Double-Blinded, Placebo-Controlled Phase 1b Study for Safety, PK, Efficacy, PD of RO7049665 in Participants With Ulcerative Colitis (UC)

A Phase 1 study testing RO7049665 in people with Ulcerative Colitis, run by Hoffmann-La Roche at 6 sites in 5 countries.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

The principal aim of this study is to evaluate the safety and tolerability of RO7049665 in participants with active ulcerative colitis (UC). Read more about this study

Who is it for?
Ages 18 to 70 years
Conditions the study is for
Ulcerative Colitis
What is being tested?
RO7049665
Type of treatment
Injection or infusion
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
45 participants
Where
6 sitesin 5 countries
Study dates
13 May 2019to 22 Jul 2021
Phase
Phase 1
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 70 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Diagnosed with UC for at least 12 weeks prior to screening
  • Screening colonoscopy for colorectal cancer conducted within the prior two years if a history of pancolitis with disease duration ≥ 8 years or history of left-sided colitis and disease duration ≥12 years
  • Evidence of disease activity at time of screening
  • Insufficient clinical response to standard of care (SOC) therapy or intolerance to SOC

Who cannot join

  • Diagnosis of Crohn's disease or indeterminate colitis
  • History of infection with hepatitis B, human immunodeficiency virus (HIV), active hepatitis C virus (HCV) infection, or other chronic infection
  • Active infections requiring systemic therapy with antibiotic, antiviral or antifungal or febrile illness within 7 days before Day -1
  • History of primary or acquired immunodeficiency
  • Abnormal hematologic values
  • Abnormal hepatic enzyme or hepatic function values

Trial locations and contacts

6 sites in 5 countries.

6 sites in 5 countries

Hungary2 sites
  • Drug Research Centre Gyogyszervizsgalo Kozpontot Kft.

    Balatonfüred, 8230

  • SE ÁOK I. sz. Belgyógyászati Klinika

    Budapest, 1083

Other trials in Hungary

United States1 site
  • Jacksonville Center for Clinical Research

    Jacksonville, Florida, 32216

Other trials in United States

Georgia1 site
  • The Research Institute of Clinical Medicine

    Tbilisi, 112

Other trials in Georgia

Moldova1 site
  • ARENSIA Phase 1 Unit- Spitalul Clinic Republican Location

    Chisinau, MD-2025

Other trials in Moldova

Ukraine1 site
  • Medical center of Yuriy Spizhenko LLC

    Kapitanovka Village, KIEV Governorate, 08112

Other trials in Ukraine

About this study

Official title: A Multicenter, Randomized, Double-Blind, Placebo Controlled Phase Ib Study to Investigate the Safety, Tolerability, Pharmacokinetics, Preliminary Efficacy, and Pharmacodynamics of Subcutaneously Administered RO7049665 in Participants With Active Ulcerative Colitis

The principal aim of this study is to evaluate the safety and tolerability of RO7049665 in participants with active ulcerative colitis (UC).

Being tested
RO7049665, Placebo
Medical subject headings
Colitis, Ulcerative

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • RO7049665Drug

    Multiple ascending doses of RO7049665 will be administered SC.

  • PlaceboDrug

    Matching placebo will be administered SC.

Study groups in NCT03943550
Study groupRoleWhat they receive
RO7049665ExperimentalParticipants will receive a subcutaneous (SC) dose of RO7049665 every 2 weeks for 4 doses.
Receives: Drug: RO7049665
PlaceboPlacebo comparatorParticipants will receive a SC dose of matching placebo every 2 weeks for 4 doses.
Receives: Drug: Placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)

    An AE was defined as any untoward medical occurrence in a participant or clinical investigation participant administered a pharmaceutical product and which does not necessarily have to have a causal relationship with this treatment. An adverse event can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. A SAE was defined as any untoward medical occurrence that at any dose results in death, is life-threatening, requires inpatient hospitalization or prolongation of existing hospitalization, results in persistent or significant disability/incapacity or is a congenital anomaly/birth defect. Severity of AEs were graded according to NCI CTCAE v4.0.

    Measured: From baseline up to safety follow-up visit on Day 99

Secondary outcomes (14)
  1. Time to Maximum Concentration (Tmax) of RO7049665

    Measured: Day 1 to Day 15 (predose) and Day 43 (post-dose)

  2. Maximum Serum Concentration Observed (Cmax) of RO7049665

    Measured: Days 1 and 43: Pre-dose, 6 h and 12 h post-dose

  3. Area Under the Serum Concentration-time Curve Extrapolated to Infinity (AUCinf) of RO7049665

    Measured: Days 1 and 43: Pre-dose, 6 h and 12 h post-dose

  4. Change From Baseline in the Endoscopy Subscore of the Mayo Clinic Score (MCS-ES)

    The Mayo Clinic Score (MCS) ranges from 0 to 12 and is a composite of 4 assessments, each rated from 0-3: stool frequency, rectal bleeding, endoscopy (i.e., centrally read MCS-ES) and Physician Global Assessment (PGA). Flexible sigmoidoscopy (or colonoscopy) was centrally read and scored using the MCS-ES scoring systems. The disease was considered as endoscopic normal or inactive if the MCS-ES (centrally read) was 0, mild (erythema, decreased vascular pattern) if MCS-ES was 1, moderate (marked erythema, absent vascular pattern, erosions) if MCS-ES was 2 and severe (spontaneous bleeding, ulceration) if MCS-ES was 3. The Endoscopy Subscore of the Mayo Score was modified so that a value of 1 did not include friability. A negative change from baseline indicates improvement.

    Measured: Baseline, Days 29 and 57

  5. Change From Baseline in the Ulcerative Colitis Endoscopic Index of Severity (UCEIS)

    Flexible sigmoidoscopy (or colonoscopy) were centrally read and scored using the UCEIS scoring systems. The UCEIS total score is a sum of 3 assessments: Bleeding (scored 0-3), Erosion and Ulcers (scored 0-3), and Vascular Pattern (scored 0-2). The total score ranges from 0-8, with higher score indicating more severe disease. A negative change from baseline indicates improvement.

    Measured: Baseline, Days 29 and 57

  6. Change From Baseline in Histology Score of Sigmoid Colon Biopsies Using Geboes Score (GS)

    Mucosal biopsies were obtained during flexible sigmoidoscopy from the most affected area 10 to 20 centimeters (cm) from the anal verge. Biopsies were assessed by standard histology for changes in the inflammatory activity as measured using GS. The GS is a stepwise grading system used for the evaluation of microscopic inflammation and histopathologic disease activity in UC. The microscopic appearance of the mucosa is categorized into 6 grades: Grade 0: architectural changes, Grade 1: chronic inflammatory infiltrate, Grade 2: lamina propria neutrophils and eosinophils, Grade 3: neutrophils in epithelium, Grade 4: crypt destruction and erosions or Grade 5: ulcerations, and each grade of the score is divided in 4 subcategories. A decrease of the Geboes grading system to Grades 0 or 1 would indicate mucosal healing.

    Measured: Baseline, Days 29 and 57

  7. Change From Baseline in Histology Score of Sigmoid Colon Biopsies Using Robarts Histology Index (RHI)

    Mucosal biopsies were obtained during flexible sigmoidoscopy from the most affected area 10 to 20 cm from the anal verge. Biopsies were assessed by standard histology for changes in the inflammatory activity as measured using RIH. The RHI is an evaluative index, derived from the Geboes score and is designed to be reproducible and responsive to clinically meaningful change in disease activity over time. The total RHI score ranges from 0 (no disease activity) to 33 (severe disease activity). A negative change from baseline indicates improvement.

    Measured: Baseline, Days 29 and 57

  8. Change From Baseline in Histology Score of Sigmoid Colon Biopsies Using Nancy Histology Index (NHI)

    Mucosal biopsies were obtained during flexible sigmoidoscopy from the most affected area 10 to 20 cm from the anal verge. Biopsies were assessed by standard histology for changes in the inflammatory activity as measured using NHI. NHI is a validated index for assessing histological disease activity in UC. It is composed of three histological items defining five grades of disease activity: absence of significant histological disease (Grade 0), chronic inflammatory infiltrate with no acute inflammatory infiltrate (Grade 1), mildly active disease (Grade 2), moderately active disease (Grade 3), and severely active disease (Grade 4). The presence of ulceration on the biopsy specimen corresponds to severely active disease (Grade 4). A decrease of the NHI grading system to Grades 0 or 1 would indicate improvement.

    Measured: Baseline, Days 29 and 57

  9. Percentage of Participants With Mayo Clinic Score (MCS) Clinical Response

    The MCS ranges from 0 to 12 and is a composite of 4 assessments: stool frequency, rectal bleeding, endoscopy (i.e., centrally read MCS-ES) and Physician Global Assessment (PGA). Each assessment was rated from 0-3, with higher score indicating more severe disease. Clinical response was defined as a decrease in the MCS of at least 3 points and at least 30% decrease from baseline.

    Measured: Baseline, Days 29 and 57

  10. Number of Participants With Anti-Drug Antibodies (ADAs)

    ADA assays was used to detect anti-drug antibodies against RO7049665. Samples which were positive for anti-drug antibodies were further assessed using a neutralizing antibody assay. Participants were considered ADA positive if they were ADA negative at baseline but developed an ADA response following study drug administration (treatment-induced ADA response), or if they were ADA positive at baseline and the titer of one or more post-baseline samples was greater than the titer of the baseline sample by a scientifically reasonable margin such as at least 4-fold (treatment-enhanced ADA response).

    Measured: Baseline; Post-dose on Days 8, 22, 57, 71 and 99; Pre-dose on Days 15, 29 and 43

  11. Change From Baseline in White Blood Cells (Tregs, Teffs)

    Measured: Baseline; Pre-dose: Days 15, 29 and 43; Post-dose: Days 2, 6, 8, 10, 22, 36, 48, 50, 52, 57, 71

  12. Change From Baseline in White Blood Cells (Natural Killer (NK) Cells)

    Measured: Baseline; Pre-dose: Days 15, 29 and 43; Post-dose: Days 2, 6, 8, 10, 22, 36, 48, 50, 52, 57, 71

  13. Change From Baseline in White Blood Cells (B Cells)

    Measured: Baseline; Pre-dose: Days 15, 29 and 43; Post-dose: Days 2, 6, 8, 10, 22, 36, 48, 50, 52, 57, 71

  14. Change From Baseline in Eosinophils

    Measured: Baseline; Pre-dose: Days 15, 29 and 43; Post-dose: Days 2, 8, 22, 36, 57, 71 and follow-up visit on Day 99

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted9 May 2019
  2. Study start13 May 2019
  3. Primary completion22 Jul 2021
  4. Study completion22 Jul 2021

Why it stopped: The decision to terminate study WP40161 was based on that treatment with RO7049665 showed trends in efficacy, however these data were below expectations and would not have supported superiority over standard of care.

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Sequential
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
45 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03943550
Sponsor's protocol ID
WP40161
Other IDs
2017-004599-74, 2017
Status last verified
Jun 2023
First submitted
7 May 2019
Last updated
15 Feb 2024
Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
Yes: Qualified researchers may request access to individual patient level data through the clinical study data request platform (www.vivli.org). Further details on Roche's criteria for eligible studies are available here (https://vivli.org/ourmember/roche/). For further details on Roche's Global Policy on the Sharing of Clinical Information and how to request access to related clinical study documents, see here (https://www.roche.com/research\_and\_development/who\_we\_are\_how\_we\_work/clinical\_trials/our\_commitment\_to\_data\_sharing.htm).

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing RO7049665 in people with Ulcerative Colitis, run by Hoffmann-La Roche at 6 sites in 5 countries.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 15 Feb 2024. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 6 sites in Hungary, United States, Georgia, Moldova, Ukraine. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 15 Feb 2024). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs) (time frame: From baseline up to safety follow-up visit on Day 99). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 15 Feb 2024.

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