Recent Updates
Recently added Catalysts

GSK1322322

Phase 2

Skin Infections, Bacterial | Small molecule | Infectious Disease |GSK plc|Last Updated: Dec 4, 2017

Success Probability

Subscribe to view

Market & Valuation

Subscribe to view

Trial Design

RandomizedDouble-BlindACTIVE_CONTROLLED
Total Trials1
Total Enrollment84

FDA Designations

No designations recorded

Clinical trial landscape

GSK1322322 · 3 trials · 2 indications

Phase 2 1Phase 1 2
NCT01209078GSK1322322 Versus Linezolid in the Treatment of Acute Bacterial Skin and Skin Structure InfectionSkin Infections, Bacterial
COMPLETED84 Analytics
PHASE2COMPLETED
GSK1322322 Versus Linezolid in the Treatment of Acute Bacterial Skin and Skin Structure Infection
Skin Infections, BacterialUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of Participants With Any Adverse Events (AE) and Serious Adverse Events (SAE)
Up to Follow-up (28 Day Follow-up, Day 40)

An AE is defined as any untoward medical occurrence in a participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. 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, or is a congenital anomaly/birth defect, may jeopardize the participant or may require medical or surgical intervention to prevent one of the other outcomes listed in this definition, associated with liver injury and impaired liver function defined as alanine aminotransferase (ALT) \>=3 x upper limit of normal (ULN), and total bilirubin \>=2 x ULN or international normalised ratio \>1.5.

Mean Clinical Chemistry Parameters of Albumin and Total Protein at Indicated Time Points
Up to Follow-up (28 Day Follow-up, Day 40)

Blood samples were obtained for analysis of albumin and total protein at Day 1, Day 4, Day 8, Day 11, 7 Day Follow-up and 28 Day Follow-up. Baseline value was defined as the assessment done on Day 1.

Mean Clinical Chemistry Parameters of ALT, Alkaline Phosphatase (ALP), Aspartate Aminotransferase (AST), Follicle Stimulating Hormone (FSH), Gamma Glutamyl Transferase (GGT), Lactate Dehydrogenase (LDH) and Creatine Kinase at Indicated Time Points
Up to Follow-up (28 Day Follow-up, Day 40)

Blood samples were obtained for analysis of ALT, ALP, AST, FSH, GGT, LDH and creatine kinase at Day 1, Day 4, Day 8, Day 11, 7 Day Follow-up and 28 Day Follow-up. Baseline value was defined as the assessment done on Day 1.

Mean Clinical Chemistry Parameters of Creatinine, Uric Acid, Direct Bilirubin and Total Bilirubin at Indicated Time Points
Up to Follow-up (28 Day Follow-up, Day 40)

Blood samples were obtained for analysis of creatinine, uric acid, direct bilirubin and total bilirubin at Day 1, Day 4, Day 8, Day 11, 7 Day Follow-up and 28 Day Follow-up. Baseline value was defined as the assessment done on Day 1.

Mean Clinical Chemistry Parameters of Glucose, Sodium, Calcium, Potassium, Chloride, Carbon Dioxide (CO2) Content /Bicarbonate and Urea/ Blood Urea Nitrogen (BUN) at Indicated Time Points
Up to Follow-up (28 Day Follow-up, Day 40)

Blood samples were obtained for analysis of glucose, sodium, calcium, potassium, chloride, CO2 content /bicarbonate and urea/BUN at Day 1, Day 4, Day 8, Day 11, 7 Day Follow-up and 28 Day Follow-up. Baseline value was defined as the assessment done on Day 1.

Mean Clinical Chemistry Parameter of Estradiol at Indicated Time Point
Day 1

Blood samples were obtained for analysis of estradiol at Day 1.

Mean Clinical Chemistry Parameter of High Sensitivity C-Reactive Protein at Indicated Time Points
Up to Follow-up (7 Day Follow-up, Day 19)

Blood samples were obtained for analysis of high sensitivity C-Reactive protein at Day 1, Day 2, Day 3, Day 4, Day 8, Day 11 and 7 Day Follow-up. Baseline value was defined as the assessment done on Day 1.

Mean Hematology Parameters of Basophils, Eosinophils, Lymphocytes, Monocytes, Total Neutrophils, White Blood Cells (WBC) and Platelet Count at Indicated Time Points
Up to Follow-up (28 Day Follow-up, Day 40)

Blood samples were obtained for analysis of basophils, eosinophils, lymphocytes, monocytes, total neutrophils, WBC and platelet count at Day 1, Day 4, Day 8, Day 11, 7 Day Follow-up and 28 Day Follow-up. Baseline value was defined as the assessment done on Day 1.

Mean Hematology Parameter of Mean Corpuscle Volume (MCV) at Indicated Time Points
Up to Follow-up (28 Day Follow-up, Day 40)

Blood samples were obtained for analysis of MCV at Day 1, Day 4, Day 8, Day 11, 7 Day Follow-up and 28 Day Follow-up. Baseline value was defined as the assessment done on Day 1.

Mean Hematology Parameter of Hemoglobin, Mean Corpuscle Hemoglobin Concentration (MCHC) at Indicated Time Points
Up to Follow-up (28 Day Follow-up, Day 40)

Blood samples were obtained for analysis of MCHC at Day 1, Day 4, Day 8, Day 11, 7 Day Follow-up and 28 Day Follow-up. Baseline value was defined as the assessment done on Day 1.

Mean Hematology Parameter of Mean Corpuscle Hemoglobin (MCH) at Indicated Time Points
Up to Follow-up (28 Day Follow-up, Day 40)

Blood samples were obtained for analysis of MCH at Day 1, Day 4, Day 8, Day 11, 7 Day Follow-up and 28 Day Follow-up. Baseline value was defined as the assessment done on Day 1.

Mean Hematology Parameter of Red Blood Cell (RBC) Count and Reticulocyte Count at Indicated Time Points
Up to Follow-up (28 Day Follow-up, Day 40)

Blood samples were obtained for analysis of RBC count and reticulocyte at Day 1, Day 4, Day 8, Day 11, 7 Day Follow-up and 28 Day Follow-up. Baseline value was defined as the assessment done on Day 1.

Mean Vital Sign Value of Systolic Blood Pressure (SBP) and Diastolic Blood Pressure (DBP) at Indicated Time Points
Up to Day 11

Vital sign assessments were conducted at Day 1 (pre-dose), Day 2 (pre-dose), Day 3 (pre-dose), Day 4 (4-12 hours post-dose), Day 8 (pre-dose) and Day 11. The assessments were made with the participant in a semi-supine position, having rested in that position for at least 10 minutes beforehand. Three BP measurements were taken at pre-dose on Day 1. The mean value recorded at pre-dose was classified as Baseline. Single BP was obtained at all other time points during the study.

Mean Vital Sign Value of Heart Rate (HR) at Indicated Time Points
Up to Day 11

Vital sign assessments were conducted at Day 1 (pre-dose), Day 2 (pre-dose), Day 3 (pre-dose), Day 4 (4-12 hours post-dose), Day 8 (pre-dose) and Day 11. The assessments were made with the participant in a semi-supine position, having rested in that position for at least 10 minutes beforehand. Three HR measurements were taken at pre-dose on Day 1. The mean value recorded at pre-dose was classified as Baseline. Single HR was obtained at all other time points during the study.

Mean Vital Sign Value of Respiratory Rate (RR) at Indicated Time Points
Up to Day 11

Vital sign assessments were conducted at Day 1 (pre-dose), Day 2 (pre-dose), Day 3 (pre-dose), Day 4 (4-12 hours post-dose), Day 8 (pre-dose) and Day 11. The assessments were made with the participant in a semi-supine position, having rested in that position for at least 10 minutes beforehand. Three RR measurements were taken at pre-dose on Day 1. The mean value recorded at pre-dose was classified as Baseline. Single RR was obtained at all other time points during the study.

Mean Change From Baseline in SBP and DBP at Indicated Time Points
Day 1 (Baseline) up to Day 11

Vital sign assessments were conducted at Day 1 (pre-dose), Day 2 (pre-dose), Day 3 (pre-dose), Day 4 (4-12 hours post-dose), Day 8 (pre-dose) and Day 11. The assessments were made with the participant in a semi-supine position, having rested in that position for at least 10 minutes beforehand. Three BP measurements were taken at pre-dose on Day 1. The mean value recorded at pre-dose was classified as Baseline. Single BP was obtained at all other time points during the study. The change from Baseline was calculated by subtracting the Baseline value from the individual post-Baseline (Day 2, Day 3, Day 4, Day 8 and Day 11) values. If either the Baseline or post-Baseline value was missing, the change from Baseline was set to missing as well.

Mean Change From Baseline in HR at Indicated Time Points
Day 1 (Baseline) up to Day 11

Vital sign assessments were conducted at Day 1 (pre-dose), Day 2 (pre-dose), Day 3 (pre-dose), Day 4 (4-12 hours post-dose), Day 8 (pre-dose) and Day 11. The assessments were made with the participant in a semi-supine position, having rested in that position for at least 10 minutes beforehand. Three HR measurements were taken at pre-dose on Day 1. The mean value recorded at pre-dose was classified as Baseline. Single HR was obtained at all other time points during the study. The change from Baseline was calculated by subtracting the Baseline value from the individual post-Baseline (Day 2, Day 3, Day 4, Day 8 and Day 11) values. If either the Baseline or post-Baseline value was missing, the change from Baseline was set to missing as well.

Mean Change From Baseline in RR at Indicated Time Points
Day 1 (Baseline) up to Day 11

Vital sign assessments were conducted at Day 1 (pre-dose), Day 2 (pre-dose), Day 3 (pre-dose), Day 4 (4-12 hours post-dose), Day 8 (pre-dose) and Day 11. The assessments were made with the participant in a semi-supine position, having rested in that position for at least 10 minutes beforehand. Three RR measurements were taken at pre-dose on Day 1. The mean value recorded at pre-dose was classified as Baseline. Single RR was obtained at all other time points during the study. The change from Baseline was calculated by subtracting the Baseline value from the individual post-Baseline (Day 2, Day 3, Day 4, Day 8 and Day 11) values. If either the Baseline or post-Baseline value was missing, the change from Baseline was set to missing as well.

Mean Electrocardiogram (ECG) Values at Indicated Time Points
Up to Day 11

12-lead ECGs were obtained during the study using an ECG machine that automatically calculated the heart rate and measured PR, QRS, RR, QT, and QTc intervals. It was performed with the participant in a semi-supine position having rested in that position for at least 10 minutes beforehand. Three measurements were taken at pre-dose on Day 1 at least 5 minutes apart. The mean PR interval, RR interval, QRS duration, uncorrected QT interval (UncQT) and QTcB (QT corrected by Bazett's formula) and QTcF (corrected by Friedericia's formula) was calculated from automated ECG readings. The assessments were done at Day 1 (pre-dose, 0.25-1.5 hours post-initial dose and 1.5-3 hours post-initial dose), Day 4 (4-12 hours post-morning dose), Day 8 (pre-morning dose) and Day 11 (0 hour). The mean value recorded pre-dose on Day 1 was classified as Baseline.

Mean Change From Baseline in ECG Values at Indicated Time Points
Day 1 (pre-dose, Baseline) up to Day 11

12-lead ECGs were obtained during the study using an ECG machine that automatically calculated the heart rate and measured PR, QRS, RR, QT, and QTc intervals. It was performed with the participant in a semi-supine position having rested in that position for at least 10 minutes beforehand. Three measurements were taken at pre-dose on Day 1 at least 5 minutes apart. The mean PR interval, RR interval, QRS duration, uncorrected QT interval (UncQT) and QTcB (QT corrected by Bazett's formula) and QTcF (corrected by Friedericia's formula) was calculated from automated ECG readings. The assessments were done at Day 1 (pre-dose, 0.25-1.5 hours post-initial dose and 1.5-3 hours post-initial dose), Day 4 (4-12 hours post-morning dose), Day 8 (pre-morning dose) and Day 11 (0 hour). Mean value recorded pre-dose on Day 1 was classified as Baseline. Change from Baseline was calculated by subtracting the Baseline value from individual post-Baseline (Day 1 post-dose, Day 4, Day 8 and Day 11) values.

Mean ECG Rhythms at Indicated Time Points
Up to Day 11

12-lead ECGs were obtained during the study using an ECG machine that automatically calculated the heart rhythm and measured PR, QRS, RR, QT, and QTc intervals. It was performed with the participant in a semi-supine position having rested in that position for at least 10 minutes beforehand. Three measurements were taken at pre-dose on Day 1 at least 5 minutes apart and the mean of the three measurements was calculated. The assessments were done at Day 1 (pre-dose, 0.25-1.5 hours post-initial dose and 1.5-3 hours post-initial dose), Day 4 (4-12 hours post-morning dose), Day 8 (pre-morning dose) and Day 11 (0 hour).

Mean Change From Baseline in ECG Rhythms at Indicated Time Points
Day 1 (pre-dose, Baseline) up to Day 11

12-lead ECGs were obtained during the study using an ECG machine that automatically calculated the heart rhythm and measured PR, QRS, RR, QT, and QTc intervals. It was performed with the participant in a semi-supine position having rested in that position for at least 10 minutes beforehand. Three measurements were taken at pre-dose on Day 1 at least 5 minutes apart and the mean of the three measurements was calculated. The assessments were done at Day 1 (pre-dose, 0.25-1.5 hours post-initial dose and 1.5-3 hours post-initial dose), Day 4 (4-12 hours post-morning dose), Day 8 (pre-morning dose) and Day 11 (0 hour). The value recorded pre-dose on Day 1 was the Baseline. The change from Baseline was calculated by subtracting the Baseline value from the individual post-Baseline (Day 1 post-dose, Day 4, Day 8 and Day 11) values.

Number of Participants With Abnormal Transition From Baseline in Clinical Chemistry Values Relative to Normal Range
Day 1 (pre-dose, Baseline) up Follow-up (28 Day Follow-up, Day 40)

The parameters of clinical chemistry included albumin, total protein, ALT, ALP, AST, GGT, LDH and creatine kinase, creatinine, uric acid, direct bilirubin, total bilirubin, glucose, sodium, calcium, potassium, chloride, CO2 content /bicarbonate and urea/BUN and high sensitivity C-Reactive protein. The assessments were done at Day 1, Day 4, Day 8, Day 11, 7 Day Follow-up and 28 Day Follow-up. Baseline was defined as the assessment done on Day 1 (pre-dose). Data is reported for number of participants with abnormal transition from Baseline 'to high' or 'to low' relative to normal range. Only those parameters for which at least one value of abnormal transition was reported are summarized.

Number of Participants With Abnormal Transition From Baseline in Hematology Values Relative to Normal Range
Day 1 (pre-dose, Baseline) up Follow-up (28 Day Follow-up, Day 40)

The parameters of clinical chemistry included basophils, eosinophils, lymphocytes, monocytes, total neutrophils, WBC count, platelet count, MCV, hemoglobin, MCHC, MCH, RBC count and reticulocyte count. The assessments were done at Day 1, Day 4, Day 8, Day 11, 7 Day Follow-up and 28 Day Follow-up. Baseline was defined as the assessment done on Day 1 (pre-dose). Data is reported for number of participants with abnormal transition from Baseline 'to high' or 'to low' relative to normal range. Only those parameters for which at least one value of abnormal transition was reported are summarized.

To estimate the relative bioavailability of wet milled tablet formulations of GSK1322322 with and without food as compared to an oral mesylate salt solution following single doses in healthy subjects.
72 Hours

GSK1322322 AUC(0-∞) and Cmax following wet milled tablet formulation administered with and without moderate fat/calorie meal. GSK1322322 AUC(0-∞) and Cmax following oral mesylate salt solution administration.

To estimate the effect of body weight on the pharmacokinetics of GSK1322322 formulations (IV and oral) following single dose administration to healthy subjects.
72 Hours

GSK1322322 AUC(0-∞) and Cmax in each body weight group following IV or oral formulation administration to assess effect of body weight.

GSK1322322 Blood PK as described in the protocol
48 hours

Secondary Endpoints

Number of Participants With Clinical Success of Clinical Response
Up to Follow-up (28 Day Follow-up, Day 40)
Percentage of Participants With Clinical Success of Clinical Outcome
Day 11 (end of therapy) and Follow-up (7 Day Follow-up, Day 19)
Percentage of Participants With Microbiological Success of Microbiological Outcome at End of Therapy
Day 11 (end of therapy)
Unlock Study Endpoints

Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Regimen 1EXPERIMENTALGSK1322322 1500mg and Placebo Linezolid given twice a day (BID) for 10 days
Regimen 2ACTIVE_COMPARATORLinezolid 600mg and placebo GSK1322322 given BID for 10 days
GSK1322322 IV formulationEXPERIMENTALSubjects will be randomized in a cross over fashion to receive the GSK1322322 administered via IV formulation
GSK1322322 Wet milled Tablet (Fasted)EXPERIMENTALSubjects will be randomized in a cross over fashion to receive the GSK1322322 administered via Wet milled Tablet (Fasted)
GSK1322322 Oral mesylate salt solutionEXPERIMENTALSubjects will be randomized in a cross over fashion to receive the GSK1322322 administered via Oral mesylate salt solution
GSK1322322 Wet milled Tablet (Fed)EXPERIMENTALSubjects will be randomized in a cross over fashion to receive the GSK1322322 administered via Wet milled Tablet (Fed)
Part 1EXPERIMENTALA 4 way crossover of three GSK1322322 tablet formulations and GSK1322322 powder in bottle
Part 2EXPERIMENTALA 3 way crossover of a GSK1322322 tablet with a high fat meal, with Ranitidine, and with Ranitidine and Vitamin C.

Interventions

NameTypeDescription
GSK1322322DRUGGSK1322322 1500mg BID
LinezolidDRUGLinezolid 600mg
GSK1322322 placeboDRUGPlacebo
Linezolid placeboDRUGplacebo
GSK1322322 (mesylate salt) Powder for InjectionDRUG1500 mg (mesylate salt) as free base, dissolved in sterile water for injection to a concentration of 100 mg/mL free base equivalent and sterilized via filtration. 15 mL of solution, equivalent to 1500 mg GSK 1322322, is the diluted into 0.9% Sodium Chloride Injection prior to infusion
GSK1322322 (freebase) tabletsDRUG500 mg tablets for a 1500 mg total single dose (3 tablets). Taken with 240 mL of water
GSK1322322 (mesylate salt) Powder for Oral SolutionDRUG1500 mg as a free base, dissolved in purified water to a concentration of 100 mg/mL free base equivalent. 15 mL of solution, equivalent to1500 mg GSK1322322 is administered orally with 225 mL of water
GSK1322322 (freebase) tablets FEDDRUGDrug 500 mg tablets for a 1500 mg total single dose (3 tablets) (FED moderate fat meal) Taken with 240 mL of water
Unlock Study Design Details

Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites7

Inclusion Criteria: * Male or female subject age 18 years or older at the time of signing the informed consent * Male subjects must agree to use one of the contraception methods listed * A female is eligible to enter and participate in this study if she is of non-childbearing potential * The subjec...

Countries:United States
Unlock Eligibility Criteria

Frequently asked questions about GSK1322322

What is GSK1322322 used for?

GSK1322322 is an investigational small molecule being developed for bacterial infections, including acute bacterial skin and skin structure infections. It is being studied in patients with bacterial skin infections and in healthy volunteers for bioavailability research. The drug is still in clinical development and is not approved by the FDA.

Who makes GSK1322322?

GSK1322322 is being developed by GSK plc, a pharmaceutical company traded on the New York Stock Exchange under the ticker GSK. The company has sponsored clinical trials of the drug in the United States.

What phase is GSK1322322 in?

GSK1322322 is in Phase 1 clinical development. While one completed trial was a Phase 2 study, the most advanced ongoing development stage is Phase 1. The drug is investigational and has not been approved by regulatory authorities.

What clinical trials is GSK1322322 in?

GSK1322322 has been studied in three completed clinical trials. NCT00924911 and NCT01648179 were Phase 1 bioavailability studies in healthy subjects. NCT01209078 was a Phase 2 trial comparing GSK1322322 to linezolid in patients with acute bacterial skin and skin structure infection.

Does GSK1322322 have other names?

GSK1322322 is the primary name used for this investigational drug in clinical trial registrations. No alternative brand names or aliases have been reported in the available clinical trial information.