510(k) SUBSTANTIAL EQUIVALENCE DETERMINATION DECISION MEMORANDUM A. 510(k) Number: K181002 B. Purpose for Submission: To obtain a substantial equivalence determination for the Atellica IM B.R.A.H.M.S PCT, Atellica IM B.R.A.H.M.S PCT Calibrators, and Atellica IM B.R.A.H.M.S PCT Controls C. Measurand: Procalcitonin (PCT) D. Type of Test: Quantitative, chemiluminescent immunoassay for procalcitonin.sandwich chemiluminescent immunoassay for procalcitonin E. Applicant: Siemens Healthcare Diagnostics Inc. F. Proprietary and Established Names: Atellica IM B.R.A.H.M.S Procalcitonin PCT Atellica IM B.R.A.H.M.S Procalcitonin Calibrator Atellica IM B.R.A.H.M.S Procalcitonin Quality Control (QC) G. Regulatory Information: 1. Regulation section: 21 CFR 866.3215: Device to detect and measure non-microbial analyte(s) in human clinical specimens to aid in assessment of patients with suspected sepsis. 2. Classification: Class II (Special Controls) 1 3. Product code: Atellica IM B.R.A.H.M.S Procalcitonin PCT: PRI, PMT,PTF Atellica IM B.R.A.H.M.S Procalcitonin PCT Calibrators: JIT Atellica IM B.R.A.H.M.S Procalcitonin PCT Controls: JJX 4. Panel: 83 - (Microbiology) H. Intended Use: 1. Intended use(s): The Atellica® IM BRAHMS Procalcitonin (PCT) assay is for in vitro diagnostic use in the quantitative determination of procalcitonin in human serum and plasma (EDTA, lithium heparin, and sodium heparin) using the Atellica® IM Analyzer. The Atellica IM BRAHMS PCT assay is intended for use, in conjunction with other laboratory findings and clinical assessments, as an aid in: • The risk assessment of critically ill patients on their first day of ICU admission for progression to severe sepsis and septic shock. • Assessing the cumulative 28‑day risk of all-cause mortality for patients diagnosed with severe sepsis or septic shock in the ICU or when obtained in the emergency department or other medical wards prior to ICU admission, using percent change in PCT level over time. • Decision-making on antibiotic therapy for patients with suspected or confirmed lower respiratory tract infections (LRTI) – defined as community-acquired pneumonia (CAP), acute bronchitis, and acute exacerbation of chronic obstructive pulmonary disease (AECOPD) – in an inpatient setting or an emergency department. • Decision-making on antibiotic discontinuation for patients with suspected or confirmed sepsis. 2. Indication(s) for use: Same as Intended Use. 3. Special conditions for use statement(s): For prescription use only. Warnings and Precautions for Test Interpretation: The Atellica® IM BRAHMS Procalcitonin (PCT) assay is not indicated to be used as a stand-alone diagnostic assay and should be used in conjunction with clinical signs and symptoms of infection and other diagnostic evidence. Decisions regarding antibiotic therapy should NOT be based solely on PCT concentrations. 2 PCT results should always be interpreted in the context of the clinical status of the patient and other laboratory results. Changes in PCT levels for the prediction of mortality, and overall mortality, are strongly dependent on many factors, including pre-existing patient risk factors and clinical course. The need to continue ICU care at Day 4 and other covariates, such as age and Sequential Organ Failure Assessment (SOFA) score, are also significant predictors of 28‑day cumulative mortality risk. PCT levels may not be elevated in patients infected by certain atypical pathogens, such as Chlamydophila pneumoniae and Mycoplasma pneumoniae. Certain patient characteristics, such as severity of renal failure or insufficiency, may influence PCT values and should be considered as potentially confounding clinical factors when interpreting PCT values. The safety and performance of PCT-guided therapy for individuals younger than 18 years of age, pregnant women, immunocompromised individuals, or those on immunomodulatory agents, was not formally analyzed in the supportive clinical trials. Increased PCT levels may not always be related to systemic infection. These conditions include, but are not limited to: • Patients experiencing major trauma and/or recent surgical procedure, includingextracorporeal circulation or burns; • Patients under treatment with OKT3 antibodies, OK-432, interleukins, TNF-alpha, and other drugs stimulating the release of pro-inflammatory cytokines or resulting in anaphylaxis; • Patients diagnosed with active medullary C-cell carcinoma, small cell lung carcinoma, or bronchial carcinoid; • Patients with acute or chronic viral hepatitis and/or decompensated severe liver cirrhosis (Child-Pugh Class C); • Patients with prolonged or severe cardiogenic shock, prolonged severe organ perfusion anomalies, or after resuscitation from cardiac arrest; • Patients receiving peritoneal dialysis or hemodialysis treatment; • Patients with biliary pancreatitis, chemical pneumonitis, or heat stroke; • Patients with invasive fungal infections (such as candidiasis and aspergillosis) or acute attacks of plasmodium falciparum malaria; and • Neonates during the first 2 days of life. 3 4. Special instrument requirements: The Atellica IM BRAHMS PCT assay, Atellica IM BRAHMS PCT Calibrators, and Atellica IM BRAHMS PCT Controls were validated on the Atellica IM Analyzer only. I. Device Description: The Atellica IM BRAHMS Procalcitonin (PCT) assay is comprised of the following reagents: Kit Components and Chemical Composition Component Volume Ingredients Atellica IM BRAHMS PCT Primary Reagent ReadyPack (assay kit) PCT Lite Reagent 5.0 mL/pack Mouse monoclonal anti-PCT antibody (~0.5 μg/mL) labeled with acridinium ester in protein buffer; bovine serum albumin; surfactant; preservatives PCT Solid Phase Reagent 10.0 mL/pack Mouse monoclonal anti-fluorescein antibody coated paramagnetic particles (~0.15 mg/mL) in buffer; surfactant; preservatives PCT Ancillary Reagent 4.5 mL/pack Mouse monoclonal anti-PCT antibody (~13.3 μg/mL) labeled with fluorescein in protein buffer; bovine serum albumin; surfactant; preservatives PCT Calibrator (Kitted-included in assay kit) PCT Low and High 2.0 mL/vial Lyophilized; after reconstitution, recombinant PCT; Calibrators equine serum; preservatives Atellica IM BRAHMS PCT Quality Control (sold separately) PCT Low and High Quality 2.0 mL/vial Lyophilized; after reconstitution recombinant PCT; Controls equine serum; preservatives Atellica IM BRAHMS PCT Master Curve Material (sold separately) PCT MCM1-5 1.0 mL/vial Lyophilized; after reconstitution, various levels of recombinant PCT; equine serum; preservatives J. Substantial Equivalence Information: 1. Predicate device name(s): B.R.A.H.M.S PCT sensitive KRYPTOR assay 2. Predicate 510(k) number(s): K171338 4 3. Comparison with predicate: Trade Name Candidate Device Predicate Device (K181002) (K171338) Atellica IM B.R.A.H.M.S B.R.A.H.M.S PCT sensitive Procalcitonin (PCT) KRYPTOR Intended Use The Atellica IM BRAHMS The B·R·A·H·M·S PCT sensitive Procalcitonin (PCT) assay is for KRYPTOR is an immunofluorescent in vitro diagnostic use in the assay using Time-Resolved Amplified quantitative determination of Cryptate Emission (TRACE) procalcitonin in human serum and technology to determine the plasma (EDTA, lithium heparin, concentration of PCT (procalcitonin) and sodium heparin) using the in human serum and EDTA or heparin Atellica IM Analyzer. plasma. The B·R·A·H·M·S PCT sensitive The Atellica IM BRAHMS PCT KRYPTOR is intended to be is intended for use, in conjunction performed on the B·R·A·H·M·S with other laboratory findings and KRYPTOR analyzer family. clinical assessments as an aid in: Used in conjunction with other The risk assessment of critically laboratory findings and clinical ill patients on their first day of assessments, B·R·A·H·M·S PCT intensive care unit (ICU) sensitive KRYPTOR is intended for admission for progression to use as follows: severe sepsis and septic shock. to aid in the risk assessment of critically ill patients on their first day · Assessing the cumulative 28-day of ICU admission for progression to risk of all-cause mortality for severe sepsis and septic shock, patients diagnosed with severe to determine the change in PCT level sepsis or septic shock in the ICU over time as an aid in assessing the or when obtained in the cumulative 28-day risk of all-cause emergency department or other mortality for patients diagnosed with medical wards prior to ICU severe sepsis or septic shock in the admission, using percent change ICU or when obtained in the in PCT level over time. emergency department or other · Decision making on antibiotic medical wards prior to ICU therapy for patients with admission, suspected or confirmed lower to aid in decision making on antibiotic respiratory tract infections (LRTI) therapy, for inpatients or patients in – defined as community-acquired the emergency department with pneumonia (CAP), acute suspected or confirmed lower bronchitis, and acute exacerbation respiratory tract infections (LRTI) – of chronic obstructive pulmonary defined as community-acquired disease (AECOPD) – in an pneumonia (CAP), acute bronchitis, inpatient setting or an emergency and acute exacerbation of chronic department. obstructive pulmonary disease Decision making on antibiotic (AECOPD), discontinuation for patients with to aid in decision making on antibiotic suspected or confirmed sepsis. discontinuation for patients with suspected or confirmed sepsis. 5 Analyte Procalcitonin (PCT) Same Automated Automated assay Same Measurement Quantitative Same Sample Type Human Serum, Plasma (EDTA, Human Serum, Plasma (EDTA and Lithium,