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Clinical Trial Details — Status: Withdrawn

Administrative data

NCT number NCT02671188
Other study ID # 200928
Secondary ID
Status Withdrawn
Phase Phase 1
First received
Last updated
Start date June 1, 2018
Est. completion date August 9, 2019

Study information

Verified date August 2018
Source GlaxoSmithKline
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Chemokine (C-C motif) ligand 20 (CCL20) is a protein involved in attracting immune cells including subsets of T cells (for example Th17 cells), B cells, natural killer cells and dendritic cells to inflamed tissues in conditions such as psoriasis (Ps) and psoriatic arthritis (PsA). CCL20 acts by binding and activating the chemokine receptor 6 (CCR6) present on the surface of the inflammatory cells. Levels of CCL20 are increased in inflamed tissues in psoriasis (Ps) and inflammatory arthritis. GSK3050002 is a humanized Immunoglobulin G (Ig)G monoclonal antibody, which binds to and neutralizes the action of human CCL20. The hypothesis is that GSK3050002 will reduce the movement of inflammatory cells into tissues affected by Ps or PsA, thereby leading to an improvement in disease activity. The primary objective of this multi-centre, randomized, double-blind (sponsor open), placebo-controlled trial is to evaluate the safety and tolerability of repeat doses of GSK3050002, and to understand the mechanism of action (by taking skin and synovial biopsy samples) and potential for clinical efficacy of GSK3050002 in subjects with PsA. A minimum of 18 subjects and up to a maximum of 30 subjects will be randomised into the study to either GSK3050002 or placebo in a 2:1 ratio to ensure that approximately 18 evaluable subjects complete the study. The total duration of participation in the study will be approximately 21 weeks from screening to last study visit.


Recruitment information / eligibility

Status Withdrawn
Enrollment 0
Est. completion date August 9, 2019
Est. primary completion date August 9, 2019
Accepts healthy volunteers No
Gender All
Age group 18 Years to 75 Years
Eligibility 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 Design


Related Conditions & MeSH terms


Intervention

Drug:
GSK3050002
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.
Placebo
Normal saline (0.9% sodium chloride) will be used as placebo.

Locations

Country Name City State
United Kingdom GSK Investigational Site Oxford

Sponsors (1)

Lead Sponsor Collaborator
GlaxoSmithKline

Country where clinical trial is conducted

United Kingdom, 

Outcome

Type Measure Description Time frame Safety issue
Primary Number of subjects with Adverse Events (AE) 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. Up to Day 116
Primary Number of subjects with Serious Adverse Events 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. Up to Day 116
Primary Composite of clinical laboratory assessments as a measure of safety and tolerability. Clinical laboratory assessments will include hematology, clinical chemistry and urinalysis. Up to Day 116
Primary Composite of vital signs as a measure of safety and tolerability. 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. Up to Day 116
Primary Electrocardiogram (ECG) assessment as a measure of safety and tolerability. 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. Up to Day 116
Secondary GSK3050002- CCL20 complex levels in serum 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 Baseline and Up to Day 116
Secondary Change from baseline in the number of CD3+ T cells synovial tissue and skin biopsy in samples Synovial and skin lesion biopsy tissue will be collected and evaluated for general appearance and inflammatory infiltrate including CD3+ T-cells Baseline and Day 43
Secondary Change from baseline in Disease Activity Score 28 (DAS28) 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. Baseline and Up to Day 116
Secondary Changes in American College of Rheumatology (ACR) responders 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. Baseline and Up to Day 116
Secondary Changes from baseline in Psoriatic Arthritis Disease Activity Score (PASDAS) 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 Baseline and Up to Day 116
Secondary Changes in Psoriasis Lesion Severity Score (PLSS) The PLSS is the sum of the erythema, scaling and plaque thickness scores. Baseline and Up to Day 116
Secondary Changes in Psoriasis Area Severity Index (PASI) 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 Baseline and Up to Day 116
Secondary Incidences of serum anti- GSK3050002 antibody levels 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. Baseline and Up to Day 116
Secondary Titres of serum anti- GSK3050002 antibody levels 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. Baseline and Up to Day 116
Secondary Maximum serum concentrations (Cmax) after repeat dosing of GSK3050002 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. Up to Day 116
Secondary Area under curve over the dosing interval AUC (0- tau) after repeat dosing of GSK3050002 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. Up to Day 116
Secondary Systemic clearance (CL) after repeat dosing of GSK3050002 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. Up to Day 116
Secondary Volume of distribution (V) after repeat dosing of GSK3050002 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. Up to Day 116
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