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Determination of Isavuconazole Concentration in Human Bronchoalveolar Lavage Fluid and Cerebrospinal Fluid by Liquid Chromatography-Tandem Mass Spectrometry and Its Clinical Application in Therapeutic Drug Monitoring of Adult Patients with Invasive Fungal Diseases

Determination of Isavuconazole Concentration in Human Bronchoalveolar Lavage Fluid and Cerebrospinal Fluid by Liquid Chromatography-Tandem Mass Spectrometry and Its Clinical Application in Therapeutic Drug Monitoring of Adult Patients with Invasive Fungal Diseases

Status
Active, not recruiting
Phases
Phase 4
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600122663
Enrollment
Unknown
Registered
2026-04-16
Start date
2026-05-01
Completion date
Unknown
Last updated
2026-04-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Invasive fungal diseases (invasive aspergillosis and invasive mucormycosis) involving the lung or the central nervous system.

Interventions

Sponsors

Huashan Hospital, Fudan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Chinese adult patients (>=18 years old); 2. Patients with confirmed IFD involving the lung or/and central nervous system, or those with a clinical diagnosis of IFD with at least one microbiological evidences; 3. Patients receiving isavuconazole, and the decision to use isavuconazole is made prior to and independently of study participation; 4. Patients with therapeutic needs to cerebrospinal fluid examination or bronchoalveolar lavage due to their condition with remaining samples available; 5. Patient or their legal representative voluntarily signs the informed consent form.

Exclusion criteria

Exclusion criteria: 1. Patients receiving antifungal medications (IA or IM) within the past 7 days and whose condition significantly improved; 2. Patients who cannot be treated with isavuconazole for contraindications as per isavuconazole label or by judgement of attending physicians/investigators; 3. Patients with unavailable simultaneous blood TDM and drug concentrations in cerebrospinal fluid or bronchoalveolar lavage fluid; 4. Patients with unavailable or incomplete prescription and administration information and sampling records; 5. Pregnant or lactating women.

Design outcomes

Primary

MeasureTime frame
minimum concentrations in serum, BALF, and CSF;

Secondary

MeasureTime frame
maximum concentrations in serum, BALF, and CSF;Proportion of patients with adverse events leading to treatment discontinuation;clinical response (treatment success or failure);overall response (treatment success or failure);Incidence of adverse events with possible reasons related to drug;Ratios of concentrations in BALF, AM, and CSF to those in serum;all-cause mortality;AUCs of serum, BALF, and CSF for 0-inf and 0-24 hours;Ratios of AUCs in BALF, AM, and CSF to those in serum;apparent clearance;apparent volume of distribution;average concentrations in serum, BALF, and CSF;times to peak concentration for serum, BALF, and CSF;Incidence of severe adverse events;Incidence of adverse events;

Countries

China

Contacts

Public ContactJing Zhang

Huashan Hospital, Fudan University

13816357098@163.com+86 21 52888190

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Apr 23, 2026