ClinicalTrials.gg
Status unknownNCT05471063Updated Jul 22, 2022

Clinical Study of ABCD in the Treatment of Cryptococcal Meningitis

An interventional study of Amphotericin B Colloidal Dispersion and flucytosine in Cryptococcal Meningitis, sponsored by Peking Union Medical College Hospital. Status unknown at 1 site in China. Open to participants aged 18 Years to 70 Years. Per ClinicalTrials.gov, last updated 2022-07-22.

Sponsored by Peking Union Medical College Hospital · Not applicable, Interventional, and Treatment

The sponsor has not verified this record recently (last verified Jul 2022), so the status shown — last known as Not yet recruiting — may be out of date.
Phase
Not applicable
Study type
Interventional
Enrollment
30
Allocation
Not applicable
Ages
18 Years to 70 Years
Sex
All
01

Study summary

To evaluate the efficacy and safety of ABCD in the treatment of cryptococcal meningitis in non-HIV patients at week 4, the end of induction therapy, week 10 and the end of consolidation therapy.

Read the detailed description

This study is a multi-center, single-arm clinical study. The objective is to evaluate the efficacy and safety of ABCD in the treatment of cryptococcal meningitis in non-HIV patients. Qualified subjects shall receive cryptococcus induction therapy with ABCD combined with flucytosine for at least 4 weeks, or termination of treatment early at the investigator's discretion. Efficacy and safety are followed up at week 4 (day 28), the end of induction therapy, week 10 (day 70) and the end of consolidation therapy.

02

Conditions studied

  • Cryptococcal Meningitis

Keywords

  • cryptococcal meningitis
  • Amphotericin B Colloidal Dispersion
  • non-HIV patients
03

In context

Meningitis, Cryptococcal

54 studies on the registry are indexed under Meningitis, Cryptococcal; 6 are open to participants now.

This study's planned enrollment of 30 is below the median of 143 across 35 interventional studies indexed under Meningitis, Cryptococcal.

Browse Meningitis, Cryptococcal studies →

Lead sponsor

Peking Union Medical College Hospital is the lead sponsor of 1,155 studies on the registry; 475 are open to participants now.

Of its 5 completed or terminated interventional studies of FDA-regulated products, 0 (0%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 70 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • ≥18 years old and ≤70 years old, no gender limitation;
  • Diagnosis of cryptococcal meningitis (with or without other cryptococcal lesions) based on CSF culture and/or CSF ink staining smear and/or CSF antigen testing;
  • The researcher believes that patients can benefit from participating in this study;
  • The subjects voluntarily participated in the study and signed the .

Exclusion criteria

Exclusion Criteria:

  • Patients with other invasive fungal diseases;
  • infected patients;
  • Patients who received intravenous polyene treatment within the past 6 months;
  • Allergic to Amphotericin B Colloidal Dispersion or other ingredients in this product;
  • Patients with abnormal liver function [ (AST) or alanine aminotransferase (ALT) >=5 times the value (ULN) without total elevation, or ALT or AST >= 3 times ULN with total bilirubin >= 1.5 times];
  • Patients with impaired renal function (renal function index blood creatinine (Cr) is more than 2 times higher than ULN, or 24-hour urine rate (Ccr) is less than 50ml/min), or patients requiring/undergoing hemodialysis or peritoneal dialysis;
  • Pregnant women, breast-feeding women and women of childbearing age who were unable to take effective measures during the study period;
  • Conditions considered unsuitable for the study by the investigator, such as concomitancy of severe organ insufficiency, laboratory abnormalities, comprehension or compliance problems, etc.
Terms in these criteria, in plain language(8)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

HIV

The human immunodeficiency virus, which weakens the immune system.

Many studies now accept people whose HIV is controlled on treatment, judged by the viral load and the CD4 count. Check the limits this study sets.

ALT and AST (liver enzymes)

Two enzymes measured in a routine blood test of the liver. Higher levels can mean the liver is under strain or damaged. SGPT and SGOT are older names for ALT and AST.

Criteria usually give a limit as a multiple of the upper limit of normal (ULN), often higher when cancer has spread to the liver.

ULN (upper limit of normal)

The top of the normal range for a blood test, as set by the laboratory that runs it. Each lab prints its own range next to your result.

“≤ 2.5 × ULN” means the result can be up to two and a half times that top value.

Bilirubin

A yellow substance made when red blood cells are broken down, which the liver clears. A high level can mean a problem with the liver or the bile ducts.

Criteria often allow more for people with Gilbert’s syndrome, a harmless inherited condition that raises bilirubin.

Creatinine clearance (CrCl)

How quickly the kidneys clear creatinine, a waste product, from the blood. A study may estimate it from a blood test with age, weight and sex (often by the Cockcroft–Gault formula), or measure it using blood and urine collected over a set time. Given in mL/min; higher is better.

Contraception

Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.

Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.

Clinically significant

Judged by the study doctor to matter for your health or for the study. It is a doctor’s decision, so ask the study team if you are unsure whether something counts.

05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
30 participants (estimated)

Study arms

  • Experimental
    ABCD treatment

    In this single-arm research, patients were treated with ABCD 3.0-4.0 mg/kg/d (subject to adjustment, maximum dose not exceeding 6.0 mg/kg/d) combined with flucytosine 100 mg/kg/d for induction therapy of cryptococcal meningitis. The course of induction therapy is at least four weeks. Then, patients were treated with Fluconazole (400-600 mg/d) ± flucytosine (100 mg/kg/d) for consolidation therapy for at least 6 weeks.

    Drug: Amphotericin B Colloidal Dispersion · Drug: flucytosine · Drug: fluconazole

Interventions

  • Amphotericin B Colloidal Dispersion 3.0-4.0 mg/kg/d (subject to adjustment, maximum dose not exceeding 6.0 mg/kg/d) . The course of induction therapy is at least four weeks.

    Also known as: Amphotericin B Cholesteryl Sulfate Complex for Injection

  • Flucytosine 100 mg/kg/d for induction therapy and consolidation therapy of cryptococcal meningitis. The course of induction therapy is at least four weeks, and consolidation therapy for at least 6 weeks.

    Also known as: fluorocytosine

  • Fluconazole (400-600 mg/d) for consolidation therapy for at least 6 weeks.

    Also known as: Diflucan

06

What researchers measure

Primary outcomes

  1. Proportion of patients with complete or partial response at the end of induction therapy

    Complete response: live during the observation period, patients with cryptococcus meningitis all the clinical signs and symptoms disappeared, a significant reduction in the cerebrospinal fluid cryptococcal antigen test results and/or CSF cryptococcus training and/or ink staining (two consecutive tests, one week interval) results overcast, and abnormal head MRI/CT (if exist in baseline) improved or stable. Partial response: patient survival during the observation period, cryptococcal meningitis clinical signs and symptoms improved, all the significant reduction in the cerebrospinal fluid cryptococcal antigen test results and/or CSF cryptococcus training and/or ink staining (two consecutive tests, one week interval) results overcast, and abnormal head MRI/CT (if exist in baseline) improved or stable.

    Time frame: From enrollment to the end of induction therapy (about 4-6 weeks)

Secondary outcomes

  1. Proportion of patients with complete or partial response at 4 weeks

    Complete response: live during the observation period, patients with cryptococcus meningitis all the clinical signs and symptoms disappeared, a significant reduction in the cerebrospinal fluid cryptococcal antigen test results and/or CSF cryptococcus training and/or ink staining (two consecutive tests, one week interval) results overcast, and abnormal head MRI/CT (if exist in baseline) improved or stable. Partial response: patient survival during the observation period, cryptococcal meningitis clinical signs and symptoms improved, all the significant reduction in the cerebrospinal fluid cryptococcal antigen test results and/or CSF cryptococcus training and/or ink staining (two consecutive tests, one week interval) results overcast, and abnormal head MRI/CT (if exist in baseline) improved or stable.

    Time frame: At the 4 weeks of treatment

  2. Proportion of patients with complete or partial response at 10 weeks

    Complete response: live during the observation period, patients with cryptococcus meningitis all the clinical signs and symptoms disappeared, a significant reduction in the cerebrospinal fluid cryptococcal antigen test results and/or CSF cryptococcus training and/or ink staining (two consecutive tests, one week interval) results overcast, and abnormal head MRI/CT (if exist in baseline) improved or stable. Partial response: patient survival during the observation period, cryptococcal meningitis clinical signs and symptoms improved, all the significant reduction in the cerebrospinal fluid cryptococcal antigen test results and/or CSF cryptococcus training and/or ink staining (two consecutive tests, one week interval) results overcast, and abnormal head MRI/CT (if exist in baseline) improved or stable.

    Time frame: At the 10 weeks of treatment

  3. Proportion of patients with complete or partial response at the end of consolidation therapy

    Complete response: live during the observation period, patients with cryptococcus meningitis all the clinical signs and symptoms disappeared, a significant reduction in the cerebrospinal fluid cryptococcal antigen test results and/or CSF cryptococcus training and/or ink staining (two consecutive tests, one week interval) results overcast, and abnormal head MRI/CT (if exist in baseline) improved or stable. Partial response: patient survival during the observation period, cryptococcal meningitis clinical signs and symptoms improved, all the significant reduction in the cerebrospinal fluid cryptococcal antigen test results and/or CSF cryptococcus training and/or ink staining (two consecutive tests, one week interval) results overcast, and abnormal head MRI/CT (if exist in baseline) improved or stable.

    Time frame: At the end of the consolidation therapy (about 12 weeks)

  4. Cryptococcus antigen titer

    Diachronic changes in antigenic titers of Cryptococcus

    Time frame: 1,2,3,4,10 weeks

  5. Duration of the cryptococcal meningitis

    The time from this hospitalization to the end of consolidation therapy.

    Time frame: At the end of the consolidation therapy (about 12 weeks)

  6. Adverse events

    Incidence and severity of adverse events during treatment, evaluated according to NCI-CTCAE Ver. 5.0.

    Time frame: about 12 weeks

07

Study locations

1 site
  • Peking Union Medical College Hospital
    Beijing, Beijing 100730, China
    • Wei Cao, PhD · Contactwcao_pumch@163.com · 010-69156114
    • Taisheng Li, PhD · Principal investigator
    • Wei Cao, PhD · Principal investigator
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Start is estimated for Aug 2022; primary completion for Feb 2023, 6 months later.

How these figures are worked out, and which studies are left out of them.

Registered
Jul 1, 2022
First posted
Jul 22, 2022
StartEst.
Aug 22, 2022
Primary completionEst.
Feb 28, 2023
CompletionEst.
Apr 30, 2023
Last update
Jul 22, 2022
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Jul 22, 2022, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05471063
Collaborators
CSPC Ouyi Pharmaceutical Group Co., Ltd.
Responsible party
LI Taisheng (Director in department of Infectious Diseases, Peking Union Medical College Hospital) — Principal investigator
First posted
Jul 22, 2022
Start date
Aug 22, 2022 (estimated)
Primary completion
Feb 28, 2023 (estimated)
Completion
Apr 30, 2023 (estimated)
Last update
Jul 22, 2022

Study contacts

Wei Cao, PhD
Contact
wcao_pumch@163.com
010-69156114
Taisheng Li, PhD
principal investigator · Peking Union Medical College Hospital

Oversight

FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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Studies of the drugs tested here: Amphotericin B · Flucytosine · Fluconazole

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