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The Efficacy and Safety of HLX208 in Adult Langerhans Cell Histiocytosis (LCH) and Erdheim-Chester Disease (ECD) With BRAF V600E Mutation

A Single-arm, Open Label, Multicenter Phase II Clinical Study in Rare Diseases to Evaluate Safety, Efficacy and PK of HLX208 for Adult Langerhans Cell Histiocytosis (LCH) and Erdheim-Chester Disease (ECD) With BRAF V600E Mutation

Status
UNKNOWN
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05092815
Enrollment
25
Registered
2021-10-26
Start date
2021-12-06
Completion date
2024-10-30
Last updated
2023-08-08

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

Conditions

Langerhans Cell Histiocytosis, Erdheim-Chester Disease, LCH, ECD

Brief summary

The purpose of this study was to assess safety, efficacy and PK in adult Langerhans Cell Histiocytosis (LCH) and Erdheim-Chester Disease (ECD) given HLX208 (BRAF V600E inhibitor).

Interventions

DRUGHLX208

HLX208 450mg bid po

Sponsors

Shanghai Henlius Biotech
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Volunteer to participate in the clinical study; 2. Aged ≥ 18 years; 3. Confirmed adult patients with LCH and/or ECD with BRAF V600E mutation; 4. At least one measurable lesion as per PERCIST v1.0; 5. Expected survival time ≥ 3 months; 6. ECOG score 0-2;

Exclusion criteria

1. Previous treatment with BRAF inhibitors or MEK inhibitors; 2. A history of other malignancies within two years, except for cured cervical carcinoma in situ, basal cell carcinoma of the skin, adenocarcinoma in situ of the lung, or tumors that do not require interventional treatment after radical surgery; 3. Severe active infections requiring systemic anti-infective therapy; 4. Other anti-tumor treatments, such as chemotherapy, targeted therapy, or radiation therapy (except palliative radiation therapy), may be given during the study period.

Design outcomes

Primary

MeasureTime frameDescription
ORRup to 1 yearObjective response rate(assessed by independent review committee (IRC) based on the PERCIST Version 1.0)

Secondary

MeasureTime frameDescription
ORRup to 1 yearObjective response rate(assessed by the investigator based on the PERCIST v1.0)
DCRup to 1 yearDisease control rate (assessed by IRC and the investigator as per PERCIST v1.0 and RECIST v1.1 )
TTRup to 1 yearTime to response(assessed by IRC and the investigator as per PERCIST v1.0 and RECIST v1.1)
PFSfrom the first dose until firstly confirmed and recorded disease progression or death (whichever occurs earlier),assessed up to 1 yearProgression-free survival (PFS) (assessed by IRC and the investigator as per PERCIST v1.0 and RECIST v1.1 )
AEsup to 1 yearIncidence and severity of adverse events
Cmaxfrom the date of first dose to 85 daysMaximum Plasma Concentration
Tmaxfrom the date of first dose to 85 daysTime of Maximum Plasma Concentration
AUCfrom the date of first dose to 85 daysArea Under the Curve
OSfrom the date of first dose until the date of death from any cause,assessed up to 1 yearOverall survival

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 9, 2026