A Study of the Safety and Efficacy of GDC-0853 in Participants With Moderate to Severe Active Systemic Lupus Erythematosus
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ClinicalTrials.gov Identifier: NCT02908100 |
Recruitment Status :
Completed
First Posted : September 20, 2016
Results First Posted : July 7, 2020
Last Update Posted : July 7, 2020
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Condition or disease | Intervention/treatment | Phase |
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Systemic Lupus Erythematosus | Drug: GDC-0853 Drug: Placebo | Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 260 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Double (Participant, Investigator) |
Primary Purpose: | Treatment |
Official Title: | A Phase II, Randomized, Double-blind, Placebo-controlled Study of the Safety and Efficacy of GDC-0853 in Patients With Moderate to Severe Active Systemic Lupus Erythematosus |
Actual Study Start Date : | January 19, 2017 |
Actual Primary Completion Date : | May 28, 2019 |
Actual Study Completion Date : | July 16, 2019 |

Arm | Intervention/treatment |
---|---|
Placebo Comparator: Placebo
Participants received matching placebo to GDC-0853 orally starting on Day 1 and ending at Week 48, in combination with background standard of care therapy.
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Drug: Placebo
Participants received matching placebo to GDC-0853 at dosages of 150 and 200mg as per the dosing schedules described above. |
Experimental: GDC-0853 (150mg) QD
Participants received GDC-0853 (150mg) orally once daily (QD) starting on Day 1 and ending at Week 48, in combination with background standard of care therapy.
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Drug: GDC-0853
Participants received GDC-0853 at dosages of 150 or 200mg as per the dosing schedules described above.
Other Name: RO7010939 |
Experimental: GDC-0853 (200mg) BID
Participants received GDC-0853 (200mg) orally twice daily (BID) starting on Day 1 and ending at Week 48, in combination with background standard of care therapy.
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Drug: GDC-0853
Participants received GDC-0853 at dosages of 150 or 200mg as per the dosing schedules described above.
Other Name: RO7010939 |
- Systemic Lupus Erythematosus Responder Index (SRI)-4 Response at Week 48 [ Time Frame: Week 48 ]The Systemic Lupus Erythematosus Responder Index (SRI)-4 measures reduction in SLE disease activity and is a composite measure that includes the SLE Disease Activity Index (SLEDAI-2K), British Isles Lupus Activity Group (BILAG) 2004 and Physician Global Assessment. It is defined as: 1) Reduction of ≥4 points from baseline in Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2K) score; 2) no new British Isles Lupus Assessment Group (BILAG) A or no more than 1 new BILAG B disease activity scores and 3) no worsening (defined as an increase of ≥0.3 points [10 mm] from baseline) in the Physician's Global Assessment of Disease Activity. The score range is from 0 to 100, with higher scores indicating greater disease activity.
- SRI-4 Response at Week 48 With a Sustained Reduction of Oral Corticosteroids (OCS) Dose to Less Than (<)10 Milligrams Per Day (mg/Day) and Less Than or Equal to (</=) Day 1 Dose During Week 36 Through Week 48 [ Time Frame: Week 48 ]The SRI-4 measures reduction in SLE disease activity and is a composite measure that includes the SLE Disease Activity Index (SLEDAI-2K), British Isles Lupus Activity Group (BILAG) 2004 and Physician Global Assessment. It is defined as: 1) Reduction of ≥4 points from baseline in Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2K) score; 2) no new British Isles Lupus Assessment Group (BILAG) A or no more than 1 new BILAG B disease activity scores and 3) no worsening (defined as an increase of ≥0.3 points [10 mm] from baseline) in the Physician's Global Assessment of Disease Activity. The score range is from 0 to 100, with higher scores indicating greater disease activity. OCS tapering requires a sustained reduction of OCS from Week 36 through Week 48 [less than 10 milligram per day (mg/day) and less or equal to the dose received on Day 1].
- SRI-4 Response at Week 24 With a Sustained Reduction of OCS Dose to < 10 mg/Day and </= Day 1 Dose During Week 12 Through Week 24 [ Time Frame: Week 24 ]The SRI-4 measures reduction in SLE disease activity and is a composite measure that includes the SLE Disease Activity Index (SLEDAI-2K), British Isles Lupus Activity Group (BILAG) 2004 and Physician Global Assessment. It is defined as: 1) Reduction of ≥4 points from baseline in Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2K) score; 2) no new British Isles Lupus Assessment Group (BILAG) A or no more than 1 new BILAG B disease activity scores and 3) no worsening (defined as an increase of ≥0.3 points [10 mm] from baseline) in the Physician's Global Assessment of Disease Activity. The score range is from 0 to 100, with higher scores indicating greater disease activity. OCS tapering requires a sustained reduction of OCS from Week 12 through Week 24 [less than 10 milligram per day (mg/day) and less or equal to the dose received on Day 1].
- SRI-4 Response at Week 24 [ Time Frame: Week 24 ]The SRI-4 measures reduction in SLE disease activity and is a composite measure that includes the SLE Disease Activity Index (SLEDAI-2K), British Isles Lupus Activity Group (BILAG) 2004 and Physician Global Assessment. It is defined as: 1) Reduction of ≥4 points from baseline in Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2K) score; 2) no new British Isles Lupus Assessment Group (BILAG) A or no more than 1 new BILAG B disease activity scores and 3) no worsening (defined as an increase of ≥0.3 points [10 mm] from baseline) in the Physician's Global Assessment of Disease Activity. The score range is from 0 to 100, with higher scores indicating greater disease activity.
- SRI-4 Response at Week 48 in Patients With High vs. Low Plasmablast Signature Levels [ Time Frame: Week 48 ]The SRI-4 measures reduction in SLE disease activity and is a composite measure that includes the SLE Disease Activity Index (SLEDAI-2K), British Isles Lupus Activity Group (BILAG) 2004 and Physician Global Assessment. It is defined as: 1) Reduction of ≥4 points from baseline in Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2K) score; 2) no new British Isles Lupus Assessment Group (BILAG) A or no more than 1 new BILAG B disease activity scores and 3) no worsening (defined as an increase of ≥0.3 points [10 mm] from baseline) in the Physician's Global Assessment of Disease Activity. The score range is from 0 to 100, with higher scores indicating greater disease activity. The Plasmablast Signature (PB) is a Bruton's Tyrosine Kinase (BTK)-dependent blood RNA signature comprised of three genes (IgJ, MZB1 and TXNDC5). Q1/2/3/4 = Quartile 1/2/3/4.
- SRI-4 Response With a Sustained Reduction of OCS Dose to ≤ 10 mg/Day and ≤ Day 1 Dose During Week 36 Through 48 in Patients With High vs. Low Plasmablast Signature Levels [ Time Frame: Week 48 ]The SRI-4 measures reduction in SLE disease activity and is a composite measure that includes the SLE Disease Activity Index (SLEDAI-2K), British Isles Lupus Activity Group (BILAG) 2004 and Physician Global Assessment. It is defined as: 1) Reduction of ≥4 points from baseline in Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2K) score; 2) no new British Isles Lupus Assessment Group (BILAG) A or no more than 1 new BILAG B disease activity scores and 3) no worsening (defined as an increase of ≥0.3 points [10 mm] from baseline) in the Physician's Global Assessment of Disease Activity. The score range is from 0 to 100, with higher scores indicating greater disease activity. The Plasmablast Signature (PB) is a Bruton's Tyrosine Kinase (BTK)-dependent blood RNA signature comprised of three genes (IgJ, MZB1 and TXNDC5). Q1/2/3/4 = Quartile 1/2/3/4.
- SRI-6 Response at Week 24 and 48 [ Time Frame: Week 24, 48 ]The Systemic Lupus Erythematosus Responder Index (SRI)-6 measures reduction in SLE disease activity and is a composite measure that includes the SLE Disease Activity Index (SLEDAI-2K), British Isles Lupus Activity Group (BILAG) 2004 and Physician Global Assessment. It is defined as: 1) Reduction of ≥6 points from baseline in Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2K) score; 2) no new British Isles Lupus Assessment Group (BILAG) A or no more than 1 new BILAG B disease activity scores and 3) no worsening (defined as an increase of ≥0.3 points [10 mm] from baseline) in the Physician's Global Assessment of Disease Activity. The score range is from 0 to 100, with higher scores indicating greater disease activity.
- BILAG-based Composite Lupus Assessment (BICLA) Response at Week 24 and 48 [ Time Frame: Week 24, 48 ]The BICLA is a composite index that is defined as follows: [1] At least one gradation of improvement in baseline BILAG scores in all body systems with moderate or severe disease activity at entry (e.g., all A (severe disease) scores falling to B (moderate), C (mild), or D (no activity) and all B scores falling to C or D; [2] No new BILAG A or more than one new BILAG B scores; [3] No worsening of total SLEDAI-2K score from baseline; [4] No significant deterioration (=<10%) in physician's global assessment and [5] No treatment failure (initiation of non-protocol treatment).
- Percentage of Participants With Adverse Events (AEs) [ Time Frame: Baseline up to 8 weeks after the last dose of study drug (up to Week 56). ]An Adverse Event is any untoward medical occurrence in a participant administered a pharmaceutical product and which does not necessarily have to have a causal relationship with the treatment. An adverse event can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding, for example), symptom, or disease temporally associated with the use of a pharmaceutical product, whether or not considered related to the pharmaceutical product. Preexisting conditions which worsen during a study are also considered as adverse events.
- Plasma Concentrations of Fenebrutinib at Specified Timepoints [ Time Frame: Baseline (Pre-dose), Week 24 (Pre-dose and Post-dose) and Week 48 (Pre-dose) ]The PK analyses includes tabulation of plasma concentration data and summarisation of plasma concentrations by visits with participants grouped according to treatment received. Descriptive summary statistics for the Arithmetic Mean and Standard Deviation are presented below.

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Ages Eligible for Study: | 18 Years to 75 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Fulfillment of SLE classification criteria according to either American College of Rheumatology (ACR) or Systemic Lupus International Collaborating Clinics (SLICC) criteria at any time prior to or at screening
- At least one serologic marker of SLE at screening as follows: positive antinuclear antibody (ANA) test by immunofluorescent assay with titer >/= 1:80; or positive anti-double-stranded DNA (anti-dsDNA) antibodies; or positive anti-Smith antibody
- At both screening and Day 1, moderate to severe active SLE, defined as meeting all of the following unless indicated otherwise: Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2K) score ≥ 8 (at screening only) with clinical SLEDAI-2K score >/= 4.0 (at both screening and Day 1), Physician's Global Assessment >/= 1.0 (out of 3), and currently receiving at least one standard oral treatment for SLE
- If on oral corticosteroids (OCS), the dose must be </= 40 mg/day prednisone (or equivalent)
- Stable doses of anti-malarial or immunosuppressive therapies
- Participants must be willing to avoid pregnancy
Exclusion Criteria:
- Proteinuria > 3.5 g/24 h or equivalent using urine protein-to-creatinine ratio (uPCR) in a first morning void urine sample
- Active proliferative lupus nephritis (as assessed by the investigator) or histological evidence of active Class III or Class IV lupus nephritis on renal biopsy performed in the 6 months prior to screening (or during the screening period)
- History of having required hemodialysis or high dose corticosteroids (>100 mg/d) prednisone or equivalent) for the management of lupus renal disease within 90 days of Day 1
- Neuropsychiatric or central nervous system lupus manifestations
- Serum creatinine > 2.5 mg/dL, or estimated glomerular-filtration rate < 30 milliliter per minute (mL/min) or on chronic renal replacement therapy
- History of receiving a solid organ transplant
- Evidence of active, latent, or inadequately treated infection with Mycobacterium tuberculosis (TB)
- Significant and uncontrolled medical disease within the 12 weeks prior to screening in any organ system (e.g., cardiac, neurologic, pulmonary, renal, hepatic, endocrine, metabolic, gastrointestinal, or psychiatric) not related to SLE, which, in the investigator's or Sponsor's opinion, would preclude study participation
- History of cancer, including hematological malignancy and solid tumors, within 10 years of screening
- Need for systemic anticoagulation with warfarin, other oral or injectable anticoagulants, or anti-platelet agents
- Evidence of chronic and/or active hepatitis B or C

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02908100

Study Director: | Clinical Trials | Hoffmann-La Roche |
Documents provided by Genentech, Inc.:
Responsible Party: | Genentech, Inc. |
ClinicalTrials.gov Identifier: | NCT02908100 |
Other Study ID Numbers: |
GA30044 2016-001039-11 ( EudraCT Number ) |
First Posted: | September 20, 2016 Key Record Dates |
Results First Posted: | July 7, 2020 |
Last Update Posted: | July 7, 2020 |
Last Verified: | June 2020 |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Lupus Erythematosus, Systemic Connective Tissue Diseases Autoimmune Diseases Immune System Diseases |