- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02671188
A Study to Evaluate the Safety, Mode of Action and Clinical Efficacy of GSK3050002 in Subjects With Psoriatic Arthritis
A Multi-centre, Randomised, Double-blind (Sponsor Open), Placebo-controlled, Repeat Dose, Proof of Mechanism Study to Evaluate the Safety and Tolerability, Pharmacokinetics, Pharmacodynamics and Clinical Efficacy of GSK3050002 in Subjects With Psoriatic Arthritis
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Phase
- Phase 1
Contacts and Locations
Study Locations
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Oxford, United Kingdom, OX3 7LD
- GSK Investigational Site
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age>=18 years and <=75 years of age at the time of consent.
- Diagnosis of, and currently active psoriatic arthritis with >=3 tender and >=3 swollen joints, one of which must be either a knee or ankle joint suitable for synovial biopsies.
- C-reactive protein (CRP) >=3mg/l at the time of screening, thought by the investigator to be due to active PsA.
- A negative test result for Rheumatoid Factor at screening.
- Active PsA despite an adequate course of treatment with at least one of the following Disease-modifying anti-rheumatic drugs (DMARDS): methotrexate, sulfasalazine or leflunomide for a minimum of 3 months, with a stable dose prior to screening. The subject may have received prior treatment for their PsA with up to three oral DMARDS.
- At least 2 active psoriatic skin lesions >=3centimetre (cm) x 3cm diameter at the time of the screening visit which in the opinion of the investigator will still be present in the Pre- Treatment Phase. Each plaque should have a total PLSS of >=5, including an induration score of >=2 (moderate or above) and a score of >=1 in erythema and scaling. The PLSS is the sum of the erythema, scaling and induration scores. The skin lesions should be located in areas usually shielded from natural light by clothing (e.g. trunk or proximal extremities) and should not include scalp, inguinal or genital lesions.
- BMI within the range 18 - 35 kilogram per squared meter (kg/m^2) (inclusive).
Female subjects are eligible to participate if they are not pregnant (as confirmed by a negative urine human chorionic gonadotrophin [hCG] test), not lactating, and at least one of the following conditions applies: 1. Pre-menopausal females with one of the following: a. Documented tubal ligation; b. Documented hysteroscopic tubal occlusion procedure with follow-up confirmation of bilateral tubal occlusion; c. Hysterectomy; d. Documented Bilateral Oophorectomy; e. Reproductive potential and agrees to follow one of the options listed below in the GSK (GlaxoSmithKline) Modified List of Highly Effective Methods for Avoiding Pregnancy in Females of Reproductive Potential (FRP) requirements from 30 days prior to the first dose of study medication and until 12 weeks after the last dose of study medication and completion of the follow-up visit at Day 113.
2. Postmenopausal defined as 12 months of spontaneous amenorrhea (in questionable cases a blood sample with simultaneous follicle stimulating hormone [FSH] and estradiol levels consistent with menopause [refer to laboratory reference ranges for confirmatory levels]). Females on hormone replacement therapy (HRT) and whose menopausal status is in doubt will be required to use one of the highly effective contraception methods if they wish to continue their HRT during the study. Otherwise, they must discontinue HRT to allow confirmation of post-menopausal status prior to study enrolment.
- Male subjects with female partners of child bearing potential must comply with the following contraception requirements from the time of first dose of study medication until 12 weeks after the last dose of study medication:Vasectomy with documentation of azoospermia; Male condom plus female partner use of one of the GSK Modified List of Highly Effective Methods for Avoiding Pregnancy in Females of Childbearing potential listed below. GSK Modified List of Highly Effective Methods for Avoiding Pregnancy in Females of Reproductive Potential (FRP) does not apply to FRP with same sex partners, when this is their preferred and usual lifestyle or for subjects who are and will continue to be abstinent from penilevaginal intercourse on a long term and persistent basis. a. Contraceptive subdermal implant effectiveness criteria including a <1% rate of failure per year, as stated in the product label. b. Intrauterine device or intrauterine system that meets effectiveness criteria including a <1% rate of failure per year, as stated in the product label c. Oral Contraceptive, either combined or progestogen alone d. Injectable progestogen e. Contraceptive vaginal ring f. Percutaneous contraceptive patches g.Male partner sterilization with documentation of azoospermia prior to the female subject's entry into the study, and this male is the sole partner for that subject.
- Capable of giving signed informed consent which includes compliance with study procedures and requirements as listed in the consent form and in this protocol
Exclusion Criteria:
A subject will not be eligible for inclusion in this study if any of the following criteria apply:
- Planned surgical joint procedure, including intra-articular, tendon sheath, or bursal corticosteroid injections, during the study.
- Intra-articular corticosteroid injection, arthrocentesis or synovial biopsy on the joint that has been identified for biopsy or Magnetic resonance imaging (MRI) within 6 weeks of the Pre-Treatment biopsy and MRI.
- Has undergone surgery, including synovectomy or arthroplasty, on the joint chosen for biopsy or MRI.
- History of joint disease, other than PsA, at the knee or ankle joint chosen for biopsy and/or MRI (eg gout, pseudogout, osteoarthritis).
- Diagnosed with a major chronic inflammatory or connective tissue disease other than Ps and PsA (e.g. rheumatoid arthritis, systemic lupus erythematosus, systemic sclerosis, ankylosing spondylitis).
- An active infection, or a history of infections as follows: a. A serious infection, defined as requiring hospitalization or intravenous antiinfectives within 8 weeks prior to Day 1. b. Oral anti-microbials within 14 days of Day 1. c. A history of opportunistic infections within 1 year of screening (e.g. pneumocystis jirovecii, cytomegalovirus pnemonitis, aspergillosis). This does not include infections that may occur in immunocompetent individuals, such as fungal nail infections or vaginal candidiasis, unless it is of an unusual severity or recurrent nature d.Recurrent or chronic infection or other active infection that, in the opinion of the investigator might cause this study to be detrimental to the subject e. History of Tuberculosis (TB), irrespective of treatment status f. A positive diagnostic TB test at screening defined as a positive QuantiFERON®-TBGold (Registered product of QFT-G; Cellestis Ltd., Carnegie, Australia) test or T-spot test. In cases where the QuantiFERON or T-spot test is indeterminate, the subject may have the test repeated once, but they will not be eligible for the study unless the second test is negative, or they have a negative Tuberculin Purified Protein Derivative (PPD) skin test. A positive PPD (Mantoux) test is defined as >=5mm of induration (size of raised lump not redness).
- Current or chronic history of liver disease, or known hepatic or biliary abnormalities (with the exception of Gilbert's syndrome or asymptomatic gallstones).
- Known bleeding or coagulation disorder.
- Alanine aminotransferase (ALT) and bilirubin >1.5x Upper Limit of Normal (ULN) (isolated bilirubin >1.5xULN is acceptable if bilirubin is fractionated and direct bilirubin <35%).
- QT interval corrected (QTc) > 450 milliseconds (msec), or QTc > 480 msec in subjects with Bundle Branch Block. If a single QTc is abnormal, then the averaged QTc values of triplicate ECGs obtained (each separated by at least 5 min) will be utilized to determine eligibility.
- Active malignancy or carcinoma in situ in the past 5 years. There is an exception for basal cell carcinoma or cervical carcinoma in situ if they have had curative surgical treatment.
- Significant unstable acute illness or uncontrolled chronic disease other than PsA, which in the opinion of the investigator, would preclude the subject from study participation.
- Contraindication to MRI scanning (as assessed by local MRI safety questionnaire) which includes but not limited to: a. Intracranial aneurysm clips (except Sugita) or other metallic objects, b. History of intra-orbital metal fragments that have not been removed by a medical professional, c.Pacemakers or other implanted cardiac rhythm management devices and non-MR compatible heart valves, d.Inner ear implants, e.History of claustrophobia which may impact participation.
- Receiving treatment with anti-coagulant medications, including warfarin, heparin, thrombin inhibitors, and Factor Xa inhibitors, unless the subject is able to discontinue these medications one week prior to biopsies in the Pre-Treatment Phase and at one week prior to the Day 43 biopsies, unless local guidelines indicate a different timeframe, in which case local guidelines may be followed, taking into account the risk:benefit and the indication for use of those medications. The anticoagulants may be re-started 3 days after the biopsy, or according to local guidelines.
- Received treatment with the therapies listed below, within the prescribed timeframe. If in doubt, or the therapy is not listed, please consult with the medical monitor. Treatment with, cyclosporine, tacrolimus, hydroxychloroquine, azathioprine (28 days prior to Screening until Follow-up) apremilast or tofacitanib (At any time prior to Screening until Follow-up). Intravenous, intra-muscular or intra-articular glucocorticoids (28 days prior to screening until follow up). Topical psoriasis therapies (other than on face and genitals where topical therapy may continue during the study) (14 days prior to Screening until Follow-up).Emollients are allowed except on the day of study visits prior to assessments. Biologic therapies for the treatment of psoriasis, psoriatic arthritis or inflammatory arthritis including but not limited to anti-tumor necrosis factors biologics, etanercept, ustekinumab, secukinumab, rituximab, abatacept or tocilizumab (At any time prior to Screening until Follow-up). Alkylating agents (chlorambucil, cyclophosphamide) (At any time prior to Screening until Follow-up) Investigational biological and nonbiological immunomodulatory therapies (At any time prior to Screening until Follow-up). Psoralen long wave ultraviolet radiation treatment (28 days prior to Screening until Follow-up) Acitretin/Retinoids (28 days prior to Screening until Follow-up). Single treatment phototherapy (Ultraviolet B or self therapy with tanning bed or solarium) (14 days prior to Screening until Follow-up). Live vaccination Live vaccinations are not permitted within (28 days of first dose until 12 weeks after the last dose). If indicated, non-live vaccines (e.g. inactivated influenza vaccines) may be administered whilst receiving GSK3050002 based on an assessment of the benefit: risk (e.g. risk of Therapy Time period decreased responsiveness). Investigators are expected to follow local and/or national guidelines with respect to vaccinations, including against influenza and pneumococcus, in subjects with PsA.
- A history of drug and alcohol misuse that could interfere with participation in the trial according to the protocol, or in the opinion of the investigator impacts on the physical or mental wellbeing of the subject.
- History of sensitivity to any of the study medications, or components thereof or a history of drug or other allergy that, in the opinion of the investigator or medical monitor, contraindicates their participation. This include a history of severe drug allergies, including Type I hypersensitivity reactions to parenteral administration of human or murine proteins or monoclonal antibodies.
- Contraindication to gadolinium contrast agent in accordance with local guidelines.
- Presence of hepatitis B surface antigen (HBsAg), hepatitis B core antibody (HBcAb), or positive hepatitis C antibody test result at screening or within 3 months prior to first dose of study treatment.
- Platelet count is <100 x 10^9/mL or prothrombin time is above the laboratory upper limit of normal at screening.
- A positive test for human immunodeficiency virus (HIV) antibody.
- Estimated GFR (Modification of Diet in Renal Disease [MDRD] calculation) of less than 60 milliliters per minute (mL/min) per 1.73 squared meter /m^2 at screening.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: GSK3050002 100 mg/mL
Subjects will be administered GSK3050002 intravenously (IV) over the period of approximately 2 hours on Day 1, Day 15 and Day 29 (total of 3 doses) in a clinical facility with regular monitoring of vital signs.
Monitoring of vital signs will continue for a minimum of 2 hours after completion of Infusion.
On Day 1, loading dose of GSK3050002 10 milligrams per kilogram (mg/kg) will be administered intravenously, followed by maintenance doses of 5mg/kg IV administered at Day 15 and Day 29.
Each subject will receive a cumulative dose of 20 mg/kg.
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The 3 mL glass vial contains white to off-white lyophilized powder which requires reconstitution with sterile water for injection.Prepared as 100 milligrams per milliliter (mg/mL) solution; lower concentrations prepared by dilution with 0.9% weight by volume (w/v) sodium chloride Injection for infusion.
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Placebo Comparator: Placebo
Subjects will be administered normal saline (0.9% sodium chloride) intravenously over the period of approximately 2 hours on Day 1, Day 15 and Day 29 (total of 3 doses) in a clinical facility with regular monitoring of vital signs.
Monitoring of vital signs will continue for a minimum of 2 hours after completion of Infusion.
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Normal saline (0.9% sodium chloride) will be used as placebo.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of subjects with Adverse Events (AE)
Time Frame: Up to Day 116
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An AE is any untoward medical occurrence in a clinical investigation subject, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product.
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Up to Day 116
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Number of subjects with Serious Adverse Events
Time Frame: Up to Day 116
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An SAE is defined as any untoward medical occurrence that, at any dose, results in death, is life threatening, requires hospitalization or prolongation of existing hospitalization, results in disability/incapacity, is a congenital anomaly/birth defect, is an important medical event that jeopardizes the subjects or may require medical or surgical intervention to prevent one of the other outcomes listed in the above definition, and is associated with drug-induced liver injury.
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Up to Day 116
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Composite of clinical laboratory assessments as a measure of safety and tolerability.
Time Frame: Up to Day 116
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Clinical laboratory assessments will include hematology, clinical chemistry and urinalysis.
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Up to Day 116
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Composite of vital signs as a measure of safety and tolerability.
Time Frame: Up to Day 116
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Vital signs to be measured in semi-supine position after at least 5 minutes rest and will include temperature, systolic and diastolic blood pressure, and pulse rate.
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Up to Day 116
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Electrocardiogram (ECG) assessment as a measure of safety and tolerability.
Time Frame: Up to Day 116
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A single 12-lead ECG will be obtained using an ECG machine that automatically calculates the heart rate and measures PR, QRS, QT and corrected QT (QTc) intervals.
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Up to Day 116
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
GSK3050002- CCL20 complex levels in serum
Time Frame: Baseline and Up to Day 116
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Blood samples will be collected on baseline (Day-10 to -1), at pre-dose and at 120 minutes post start of infusion, immediately after infusion has ceased on D 15 and D 29, D 43, D 85, D 113 +/- 3 days
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Baseline and Up to Day 116
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Change from baseline in the number of CD3+ T cells synovial tissue and skin biopsy in samples
Time Frame: Baseline and Day 43
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Synovial and skin lesion biopsy tissue will be collected and evaluated for general appearance and inflammatory infiltrate including CD3+ T-cells
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Baseline and Day 43
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Change from baseline in Disease Activity Score 28 (DAS28)
Time Frame: Baseline and Up to Day 116
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DAS28 is a composite arthritis disease activity index comprising swollen and tender joint count (28 joints), patient global assessment of disease activity, and C-reactive protein.
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Baseline and Up to Day 116
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Changes in American College of Rheumatology (ACR) responders
Time Frame: Baseline and Up to Day 116
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ACR is a composite score of the patient assessment of joint pain, the patient global assessment of disease activity, the physician global assessment of disease activity, the 66/68 swollen/tender joint count, the Disability Index of the Health Assessment Questionnaire (HAQ-DI) questionnaire, and C-reactive protein.
The ACR is reported as % improvement (20%, 50% or 70%), between two discrete timepoints, as calculated by improvement in the 66/68 swollen/tender joint count, and improvement in at least three of the remaining five composite parameters.
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Baseline and Up to Day 116
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Changes from baseline in Psoriatic Arthritis Disease Activity Score (PASDAS)
Time Frame: Baseline and Up to Day 116
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PASDAS is a composite disease activity index for psoriatic arthropathies comprising the 66/68 swollen/tender joint count, patient global assessment of disease activity, physician global assesment of disease activity, Leeds enthesitis index, dactylitis score, SF-36 questionnaire and C-reactive protein
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Baseline and Up to Day 116
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Changes in Psoriasis Lesion Severity Score (PLSS)
Time Frame: Baseline and Up to Day 116
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The PLSS is the sum of the erythema, scaling and plaque thickness scores.
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Baseline and Up to Day 116
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Changes in Psoriasis Area Severity Index (PASI)
Time Frame: Baseline and Up to Day 116
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The PASI scoring system is a widely-used standard clinical tool for assessing the severity of psoriasis that takes into account the overall severity of erythema (redness), thickness (induration), and scale, as well as the extent of body surface area (BSA) affected with psoriasis.
Higher scores indicate more severe disease.
PASI is a static measurement made without reference to previous scores
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Baseline and Up to Day 116
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Incidences of serum anti- GSK3050002 antibody levels
Time Frame: Baseline and Up to Day 116
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Serum samples will be collected from all subjects at pre-dose and various time points post-dosing.
An assay for detecting Anti-drug Antibodies (ADAs) against GSK3050002 will be done using validated electrochemiluminescent (ECL) bridging assay and the Meso-Scale Discovery (MSD) technology.
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Baseline and Up to Day 116
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Titres of serum anti- GSK3050002 antibody levels
Time Frame: Baseline and Up to Day 116
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The serum which contain potential anti-GSK3050002 antibodies will be confirmed by immunocompetition using excess drug.
Confirmed samples with ADA will be further analyzed for titers.
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Baseline and Up to Day 116
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Maximum serum concentrations (Cmax) after repeat dosing of GSK3050002
Time Frame: Up to Day 116
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Blood samples were collected at pre-dose and at 120 minutes post start of infusion, immediately after infusion has ceased on Day (D)1, D15, and D29.
Blood samples were also collected D 8, D 22, D 43, D 57, D 85 and D 113 +/-3 days.
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Up to Day 116
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Area under curve over the dosing interval AUC (0- tau) after repeat dosing of GSK3050002
Time Frame: Up to Day 116
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Blood samples were collected at pre-dose and at 120 minutes post start of infusion, immediately after infusion has ceased on Day (D)1, D15, and D29.
Blood samples were also collected D 8, D 22, D 43, D 57, D 85 and D 113 +/-3 days.
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Up to Day 116
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Systemic clearance (CL) after repeat dosing of GSK3050002
Time Frame: Up to Day 116
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Blood samples were collected at pre-dose and at 120 minutes post start of infusion, immediately after infusion has ceased on Day (D)1, D15, and D29.
Blood samples were also collected D 8, D 22, D 43, D 57, D 85 and D 113 +/-3 days.
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Up to Day 116
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Volume of distribution (V) after repeat dosing of GSK3050002
Time Frame: Up to Day 116
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Blood samples were collected at pre-dose and at 120 minutes post start of infusion, immediately after infusion has ceased on Day (D)1, D15, and D29.
Blood samples were also collected D 8, D 22, D 43, D 57, D 85 and D 113 +/-3 days.
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Up to Day 116
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Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 200928
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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