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| Name | Class |
|---|---|
| RTI Health Solutions | OTHER |
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Moxifloxacin is a broad-spectrum antibacterial agent used to treat common community-acquired respiratory tract infections, complicated intra-abdominal infections, and pelvic inflammatory disease. In the clinical development program, moxifloxacin was associated with some hepatic adverse drug reactions. To evaluate further the hepatic safety profile of moxifloxacin, a retrospective cohort study with nested case-control analysis will be conducted to assess the rate of noninfectious acute liver injury among new users of moxifloxacin and of other antimicrobials prescribed for similar indications, including amoxicillin, amoxicillin plus clavulanic acid, cefuroxime, clarithromycin, doxycycline, levofloxacin, and telithromycin.
The study will be implemented in the population included in the HealthCore Integrated Research Database (HIRD). Eligible patients are adults aged 18 years and older with continuous enrollment in the HIRD for at least 6 months before their first claim for a prescription for a study antimicrobial. Follow-up will start at the date of the first prescription until the date of the earliest of the following events: noninfectious acute liver injury, occurrence of an exclusion criterion, end of study period, disenrollment from database, or death. Patients with chronic alcoholism or cirrhosis, infectious hepatitis, HIV/AIDS, or pregnant women will not be included.
Study design is called 'Cohort study with nested case-control analysis"
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group 1 |
| ||
| Group 2 |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Moxifloxacin (Avelox, BAY12-8039) | Drug | Eligible patients who are new users of moxifloxacin during the study period. A new user is defined as a person who has a first recorded dispensing of moxifloxacin during the study period and who has not had a previous recorded dispensing for any of the study antimicrobials during the previous 180 days |
| Measure | Description | Time Frame |
|---|---|---|
| Incidence ratio of noninfectious acute liver injury fulfilling the International Consensus Meeting criteria for drug-induced liver disorders in the study population during periods of treatment with each of the study antimicrobials and nonuse | From the first day of full exposure of a study antimicrobial (day after the date of dispensing) to the end of follow-up (up to 8 years) | |
| Incidence rate ratio of noninfectious acute liver injury fulfilling the International Consensus Meeting criteria for drug-induced liver disorders during treatment with each of the study antimicrobials compared to that during of nonuse | From the first day of full exposure of a study antimicrobial (day after the date of dispensing) to the end of follow-up (up to 8 years) |
| Measure | Description | Time Frame |
|---|---|---|
| Incidence rate and incidence rate ratio of noninfectious severe hepatocellular injury as defined by the Hy's Law criteria modified by the FDA Working Group (FDA Working group, 2000; Temple, 2006; Navarro and Senior, 2006) | From the first day of full exposure of a study antimicrobial (day after the date of dispensing) to the end of follow-up (up to 8 years) | |
| Incidence rate and incidence rate ratio of noninfectious acute liver failure, defined as acute liver injury with evidence of coagulation abnormality and any degree of mental alteration (encephalopathy) (Polson and Lee, 2005) |
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Inclusion Criteria:
Exclusion Criteria:
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The source of study cohort will be the HealthCore Integrated Research DatabaseTM (HIRD) population, which comprises a broad, clinically rich and geographically diverse spectrum of longitudinal claims data from health plans in the United States of America (US)
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| Name | Affiliation | Role |
|---|---|---|
| Bayer Study Director | Bayer | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Many Locations | Delaware | United States |
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| ID | Term |
|---|---|
| D056486 | Chemical and Drug Induced Liver Injury |
| D008107 | Liver Diseases |
| ID | Term |
|---|---|
| D004066 | Digestive System Diseases |
| D064420 | Drug-Related Side Effects and Adverse Reactions |
| D064419 | Chemically-Induced Disorders |
| D011041 | Poisoning |
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| ID | Term |
|---|---|
| D000077266 | Moxifloxacin |
| D000658 | Amoxicillin |
| D019818 | Clavulanic Acid |
| D002444 | Cefuroxime |
| D017291 | Clarithromycin |
| D004318 | Doxycycline |
| D064704 | Levofloxacin |
| C106791 | telithromycin |
| ID | Term |
|---|---|
| D024841 | Fluoroquinolones |
| D042462 | 4-Quinolones |
| D015363 | Quinolones |
| D011804 | Quinolines |
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|
| Amoxicillin, Amoxicillin plus clavulanic acid, Cefuroxime, Clarithromycin, Doxycycline, Levofloxacin, Telithromycin | Drug | Eligible patients who are new users of one of the other study antimicrobials (amoxicillin, amoxicillin plus clavulanic acid, cefuroxime, clarithromycin, doxycycline, levofloxacin, or telithromycin) during the study period. A new user is defined as a person who has a first recorded dispensing of a study a study antimicrobial during the study period and who has not had a previous recorded dispensing for any of the study antimicrobials during the previous 180 days. |
|
| From the first day of full exposure of a study antimicrobial (day after the date of dispensing) to the end of follow-up (up to 8 years) |
| Cumulative incidence of noninfections acute liver injury, noninfectious severe hepatocellular injury, and noninfectious acute liver failure at weekly intervals after the start of first episode of treatment with each of the study antimicrobials | From the first day of full exposure of a study antimicrobial (day after the date of dispensing) to the end of follow-up (up to 8 years) |
| D006574 |
| Heterocyclic Compounds, 2-Ring |
| D000072471 | Heterocyclic Compounds, Fused-Ring |
| D006571 | Heterocyclic Compounds |
| D000667 | Ampicillin |
| D010400 | Penicillin G |
| D010406 | Penicillins |
| D047090 | beta-Lactams |
| D007769 | Lactams |
| D000577 | Amides |
| D009930 | Organic Chemicals |
| D013457 | Sulfur Compounds |
| D002969 | Clavulanic Acids |
| D002511 | Cephalosporins |
| D013843 | Thiazines |
| D004917 | Erythromycin |
| D018942 | Macrolides |
| D061065 | Polyketides |
| D007783 | Lactones |
| D013754 | Tetracyclines |
| D009279 | Naphthacenes |
| D011084 | Polycyclic Aromatic Hydrocarbons |
| D006841 | Hydrocarbons, Aromatic |
| D006844 | Hydrocarbons, Cyclic |
| D006838 | Hydrocarbons |
| D011083 | Polycyclic Compounds |
| D015242 | Ofloxacin |