A new DRUG TRIALS SNAPSHOT is now available
ZEMDRI is used to treat adults who have a complicated urinary tract infection (abbreviated as cUTI) including infection of the kidneys (pyelonephritis) caused by specific bacteria. It should be used only when few or no other treatment options are available.
ZEMDRI is a drug administered by a health care professional directly into the bloodstream through a needle in the vein. This is known as an intravenous, or IV, infusion. It is given every 24 hours for 4-7 days.
Drug Trials Snapshot: ZEMDRI
HOW TO USE THIS SNAPSHOT
The information provided in Snapshots highlights who participated in the clinical trials that support the FDA approval of this drug, and whether there were differences among sex, race and age groups. The “MORE INFO” bar shows more detailed, technical content for each section. The Snapshot is intended as one tool for consumers to use when discussing the risks and benefits of the drugs.
The information provided in Snapshots highlights who participated in the clinical trials that support the FDA approval of this drug, and whether there were differences among sex, race and age groups. The “MORE INFO” bar shows more detailed, technical content for each section. The Snapshot is intended as one tool for consumers to use when discussing the risks and benefits of the drugs.
LIMITATIONS OF THIS SNAPSHOT:
Do not rely on Snapshots to make decisions regarding medical care. Always speak to your health provider about the risks and benefits of a drug. Refer to the ZEMDRI Prescribing Information for complete information.
Do not rely on Snapshots to make decisions regarding medical care. Always speak to your health provider about the risks and benefits of a drug. Refer to the ZEMDRI Prescribing Information for complete information.
ZEMDRI (plazomicin)
zem' dree
Achaogen, Inc.
Approval date: June 25, 2018
zem' dree
Achaogen, Inc.
Approval date: June 25, 2018
DRUG TRIALS SNAPSHOT SUMMARY:
What is the drug for?
ZEMDRI is used to treat adults who have a complicated urinary tract infection (abbreviated as cUTI) including infection of the kidneys (pyelonephritis) caused by specific bacteria. It should be used only when few or no other treatment options are available.
How is this drug used?
ZEMDRI is a drug administered by a health care professional directly into the bloodstream through a needle in the vein. This is known as an intravenous, or IV, infusion. It is given every 24 hours for 4-7 days.
What are the benefits of this drug?
On Day 5 of IV treatment with ZEMDRI, 88% of patients were cured or had improved signs and symptoms of cUTI and had decreased the number of bacteria in their urine. This was similar to the cure rates for patients who received another antibacterial drug, meropenem (91%).
Because cUTI can come back, many patients continued with oral antibacterial drugs to complete the treatment for cUTI. The benefit was also evaluated after this treatment was completed (about 7-10 days later after total treatment was finished) and it showed that 82% of patients who were initially treated with ZEMDRI were cured from cUTI in comparison to 70% of patients who were initially treated with meropenem.
Were there any differences in how well the drug worked in clinical trials among sex, race and age?
- Sex: ZEMDRI worked similarly in men and women.
- Race: Almost all patients were White. The number of patients in other races was limited. Differences in how well the drug worked among races could not be determined.
- Age: ZEMDRI worked similarly in patients below and above 65 years of age.
What are the possible side effects?
ZEMDRI may cause serious and life threatening allergic reactions and severe diarrhea caused by C. difficile.
Common side effects that were associated with the use of ZEMDRI include decreased kidney function, diarrhea, headache, nausea, vomiting and change in blood pressure.
Were there any differences in side effects among sex, race and age?
- Sex: The occurrence of side effects was similar between men and women.
- Race: Almost all patients were White. The number of patients in other races was limited. Differences in side effects among races could not be determined.
- Age: The occurrence of side effects was higher in patients above 65 years of age.
WHO WAS IN THE CLINICAL TRIALS?
Who participated in the clinical trials?
FDA approved ZEMDRI based on the trial (NCT02486627) of 604 patients with cUTI. The trial included patients from the Europe, United States and Mexico.
Figure 1 summarizes how many men and women were in the clinical trial.
Figure 1. Baseline Demographics by Sex
FDA Review
Figure 2 and Table 1 summarize the percentage of patients by race in the clinical trial.
Figure 2. Baseline Demographics by Race
FDA Review
Table 1. Baseline Demographics by Race
| Race | Number of Patients | Percentage (%) |
|---|---|---|
| White | 601 | 99 |
| Other | 3 | 1 |
FDA Review
Figure 3 summarizes by age how many patients were in the clinical trial.
Figure 3. Baseline Demographics by Age
FDA Review
How were the trials designed?
In the clinical trial, approximately half of the patients with cUTI were chosen at random to receive ZEMDRI, and the other half was given another antibacterial drug called meropenem. Both treatments were given intravenously for 4-7 days and neither the patients nor the health care professionals knew which drugs were given until after the study was complete. After at least 4 days of IV treatment with ZEMDRI or meropenem, patients could be switched to an oral antibacterial drug to complete the treatment for cUTI.
The benefit of ZEMDRI was measured by the proportion of patients who achieved cure or improvement in their symptoms related to cUTI and a negative urine culture test in comparison to meropenem.
GLOSSARY
CLINICAL TRIAL: Voluntary research studies conducted in people and designed to answer specific questions about the safety or effectiveness of drugs, vaccines, other therapies, or new ways of using existing treatments.
COMPARATOR: A previously available treatment or placebo used in clinical trials that is compared to the actual drug being tested.
EFFICACY: How well the drug achieves the desired response when it is taken as described in a controlled clinical setting, such as during a clinical trial.
PLACEBO: An inactive substance or “sugar pill” that looks the same as, and is given the same way as, an active drug or treatment being tested. The effects of the active drug or treatment are compared to the effects of the placebo.
SUBGROUP: A subset of the population studied in a clinical trial. Demographic subsets include sex, race, and age groups.
COMPARATOR: A previously available treatment or placebo used in clinical trials that is compared to the actual drug being tested.
EFFICACY: How well the drug achieves the desired response when it is taken as described in a controlled clinical setting, such as during a clinical trial.
PLACEBO: An inactive substance or “sugar pill” that looks the same as, and is given the same way as, an active drug or treatment being tested. The effects of the active drug or treatment are compared to the effects of the placebo.
SUBGROUP: A subset of the population studied in a clinical trial. Demographic subsets include sex, race, and age groups.
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