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GSK 1437173A

Phase 3

Herpes Zoster | Monoclonal antibody | Infectious Disease |GSK plc|Last Updated: May 13, 2021

Success Probability

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment237

FDA Designations

No designations recorded

Clinical trial landscape

GSK 1437173A · 1 trial · 2 indications

Phase 3 1
NCT01798056Immunogenicity and Safety Study of GlaxoSmithKline (GSK) Biologicals' Herpes Zoster (HZ/su) Vaccine in Adults With Solid Tumours Receiving ChemotherapyHerpes Zoster
COMPLETED237 Analytics
PHASE3COMPLETED
Immunogenicity and Safety Study of GlaxoSmithKline (GSK) Biologicals' Herpes Zoster (HZ/su) Vaccine in Adults With Solid Tumours Receiving Chemotherapy
Herpes ZosterUnlock trial analytics

Study Endpoints

Primary Endpoints

Adjusted Geometric Means for Anti-glycoprotein E (gE) Antibodies in PreChemo Groups
At Month 2

Adjusted geometric means (GMC) of GSK1437173A over placebo for anti-glycoprotein E (gE) antibody enzyme-linked immunosorbent assay (ELISA) concentrations in PreChemo Groups only.

Anti-Varicella Zoster Virus (VZV) gE Antibody Concentrations
At Month 2

Antibody concentrations as determined by ELISA are presented as geometric mean concentrations (GMCs) and expressed in milli-international units per milliliter (mIU/mL). The seropositivity cut-off value was greater than or equal to (≥) 97 mIU//mL.

Number of Subjects With Any and Grade 3 Solicited Local Symptoms
During the 7-day (Days 0-6) post-vaccination period following each dose and across doses

Assessed solicited local symptoms were pain, redness and swelling. Any = occurrence of the symptom regardless of intensity grade. Grade 3 pain = pain that prevented normal every day activities. Grade 3 redness/swelling = redness/swelling spreading beyond 100 millimeters (mm) of injection site.

Number of Days With Solicited Local Symptoms
During the 7-day (Days 0-6) post-vaccination period following each dose

The number of days with any local symptoms has been assessed during the post-vaccination period.

Number of Subjects With Any, Grade 3 and Related Solicited General Symptoms
During the 7-day (Days 0-6) post-vaccination period following each dose and across doses

Assessed solicited general symptoms were fatigue, gastrointestinal \[symptoms included nausea, vomiting, diarrhoea and/or abdominal pain\], headache, myalgia, shivering and fever \[defined as oral, axillary or tympanic temperature equal to or above 37.5 degrees Celsius (°C)\]. Any = occurrence of the symptom regardless of intensity grade. Grade 3 symptom = symptom that prevented normal activity. Grade 3 fever = fever \> 39.0 °C. Related = symptom assessed by the investigator as related to the vaccination.

Number of Days With Solicited General Symptoms
During the 7-day (Days 0-6) post-vaccination period following each dose

The number of days with any general symptoms has been assessed during the post-vaccination period.

Number of Subjects With Any, Grade 3 and Related Unsolicited Adverse Events (AEs)
During the 30-day (Days 0-29) post-vaccination period

An unsolicited AE covers 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 and reported in addition to those solicited during the clinical study and any solicited symptom with onset outside the specified period of follow-up for solicited symptoms. Any was defined as the occurrence of any unsolicited AE regardless of intensity grade or relation to vaccination. Grade 3 AE = an AE which prevented normal, everyday activities. Related = AE assessed by the investigator as related to the vaccination.

Number of Subjects With Serious Adverse Events (SAEs)
From first dose up to 30 days post last vaccination

Serious adverse events (SAEs) assessed include medical occurrences that result in death, are life threatening, require hospitalization or prolongation of hospitalization or result in disability/incapacity. Related SAE= SAE assessed by the investigator as causally related to the study vaccination.

Number of Subjects With Any and Related Potential Immune Mediated Diseases (pIMDs)
From first vaccination up to 30 days post last vaccination

Potential immune-mediated diseases (pIMDs) are a subset of AEs that include autoimmune diseases and other inflammatory and/or neurologic disorders of interest which may or may not have an autoimmune aetiology. Related = pIMDs assessed by the investigator as causally related to the study vaccination.

Secondary Endpoints

Anti-VZV gE Antibody Concentrations
At Months 0, 1, 6 and 13
Number of Subjects With Vaccine Responses for Anti-gE Antibody ELISA Concentrations
At Months 1, 2, 6 and 13
Descriptive Statistics of the Frequency of gE-specific CD4[2+] T-cells in PreChemo Groups
At Months 0, 1, 2 and 13
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Study Design & Arms

AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposePREVENTION

Treatment Arms

ArmTypeDescription
GSK1437173A GroupEXPERIMENTALSubjects received the first dose of GSK 1437173A at least 10 days (up to 1 month) before start of chemotherapy cycle or at the first day (allowing a window of +/- 1 day) of the first (or second) chemotherapy cycle. The second dose of GSK 1437173A vaccine was administered between 1 and 2 months after the first vaccination and at the first day (allowing a window of +/- 1 day) of a subsequent cycle of chemotherapy. The study products were administered intramuscularly into a deltoid muscle. The choice of and use of chemotherapy, or any other medication related to the patients' current conditions, were based on the local standard of care for the patients.
Placebo GroupPLACEBO_COMPARATORSubjects received the first dose of placebo at least 10 days (up to 1 month) before start of chemotherapy cycle or at the first day (allowing a window of +/- 1 day) of the first (or second) chemotherapy cycle. The second dose of placebo was administered between 1 and 2 months after the first vaccination and at the first day (allowing a window of +/- 1 day) of a subsequent cycle of chemotherapy. The study products were administered intramuscularly into a deltoid muscle. The choice of and use of chemotherapy, or any other medication related to the patients' current conditions, were based on the local standard of care for the patients.

Interventions

NameTypeDescription
GSK 1437173ABIOLOGICAL2 doses administered by intramuscular (IM) injection into the deltoid muscle of the non-dominant arm.
PlaceboDRUG2 doses administered by IM injection into the deltoid muscle of the non-dominant arm.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites28

Inclusion Criteria: * Subjects who, in the opinion of the investigator, can and will comply with the requirements of the protocol. * Written informed consent obtained from the subject. * A male or female aged 18 years or older (and has reached the age of legal consent) at the time of study entry (i...

Countries:CanadaCzechiaFranceSouth KoreaSpainUnited Kingdom
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Frequently asked questions about GSK 1437173A

What is GSK 1437173A used for?

GSK 1437173A is an investigational monoclonal antibody being studied for the prevention of Herpes Zoster, also known as shingles. It is being developed by GSK plc for use in adults with solid tumors who are receiving chemotherapy, a population at increased risk for this viral infection.

Who makes GSK 1437173A?

GSK 1437173A is developed by GSK plc, a global biopharma company traded on the London Stock Exchange under the ticker GSK. The company is conducting clinical research to evaluate the safety and immunogenicity of this monoclonal antibody in patients with solid tumors undergoing chemotherapy.

What phase is GSK 1437173A in?

GSK 1437173A is in Phase 3 clinical development. It is an investigational drug and has not been approved by regulatory authorities. The Phase 3 trial has been completed, and the drug remains under evaluation for its potential use in preventing Herpes Zoster in immunocompromised patients.

What clinical trials is GSK 1437173A in?

GSK 1437173A has one completed Phase 3 clinical trial registered as NCT01798056. This randomized, double-blind, placebo-controlled study enrolled 237 adults with solid tumors receiving chemotherapy to assess the immunogenicity and safety of the drug for Herpes Zoster prevention.

How does GSK 1437173A work?

GSK 1437173A is a monoclonal antibody, a type of biologic drug designed to target a specific protein involved in the immune response. As a monoclonal antibody, it is intended to provide passive immunity against the varicella-zoster virus, which causes Herpes Zoster, though the exact molecular target is not specified.