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HMPL-306 in Participants With Postoperative Residual or Recurrent Grade 2 Glioma Harboring IDH1 or IDH2 Mutations

27. oktober 2026 oppdatert av: Hutchmed

A Randomized, Double-Blind, Placebo-Controlled, Multicenter Phase III Study to Evaluate the Efficacy and Safety of HMPL-306 in Participants With Postoperative Residual or Recurrent Grade 2 Glioma Harboring IDH1 or IDH2 Mutations

This study is a randomized, double-blind, placebo-controlled, multicenter Phase III clinical trial evaluating the efficacy and safety of HMPL-306 in participants with postoperative residual or recurrent grade 2 gliomas carrying IDH1 or IDH2 mutations.

Studieoversikt

Status

Har ikke rekruttert ennå

Forhold

Intervensjon / Behandling

Detaljert beskrivelse

This study plans to enroll approximately 210 participants with postoperative residual or recurrent grade 2 astrocytoma or oligodendroglioma carrying IDH1 or IDH2 mutations who have previously received only surgical treatment.

Participants meeting all enrollment eligibility criteria will be randomized in a 1:1 ratio to receive HMPL-306 250 mg or placebo matched to HMPL-306 administered orally once daily (QD). Participants will continue to receive study drug treatment in 28-day cycles until BIRC-confirmed PD, death, occurrence of intolerable toxicity, et al, whichever occurs first.

Participants in the placebo group with BIRC-confirmed PD, after evaluation, may cross over to the HMPL-306 group to receive HMPL-306 treatment.

Studietype

Intervensjonell

Registrering (Antatt)

210

Fase

  • Fase 3

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

18 år og eldre (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

  1. Have fully understood this study and voluntarily signed the ICF, willing to complete the planned visits, treatments, procedures, and laboratory tests during the study period;
  2. Age ≥18 years old;
  3. Patients with grade 2 oligodendroglioma or grade 2 astrocytoma;
  4. Have confirmed presence of IDH1 or IDH2 gene mutation, and obtained chromosome 1p/19q status;
  5. Have undergone at least 1 glioma surgery and have not received any other anti-glioma treatments, including chemotherapy and radiotherapy;
  6. Confirmed by BIRC, at least 1 measurable non-enhancing lesion meeting RANO 2.0 criteria using two-dimensional magnetic resonance imaging (MRI) measurement at screening;
  7. KPS ≥80;
  8. As judged by the investigator, life expectancy of ≥12 months;
  9. Adequate bone marrow, hepatic, renal, and coagulation function

Exclusion Criteria:

  1. Previously received any other anti-glioma treatment except for surgery, including chemotherapy, radiotherapy, targeted therapy, immunotherapy, or biological therapy, etc.;
  2. Participants assessed by the investigator as having high-risk factors, including but not limited to tumor involvement of the brainstem, or uncontrolled epilepsy;
  3. Participants with concurrent other malignant tumors or a history of other malignant tumors within 5 years prior to randomization (excluding cured basal or squamous cell carcinoma of the skin, carcinoma in situ of the cervix, and ductal carcinoma in situ of the breast, etc.);
  4. Women who are pregnant (positive pregnancy test before medication) or breastfeeding;
  5. Known allergy to any component of HMPL-306;
  6. Administration of uridine diphosphate glucuronosyltransferase (UGT) 1A1 inhibitors or UGT1A3 inhibitors less than 1 week or 5 half-lives (whichever is longer) prior to randomization; administration of strong inducers of CYP3A less than 2 weeks or 5 half-lives (whichever is longer) prior to randomization;
  7. Presence of diseases or conditions that affect drug absorption;
  8. Participants will be excluded if there is any other disease, mental abnormality, metabolic abnormality, physical examination abnormality, or laboratory parameter abnormality of significant clinical significance, etc., which, in the investigator's judgment, may affect the participant's compliance, or place the participant at high risk, or affect the interpretation of study results, or if there is reason to suspect that the participant has a disease or condition unsuitable for the use of the study drug.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Firemannsrom

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: HMPL-306 tablet

Participants in HMPL-306 group will receive HMPL-306 250 mg administered orally once daily (QD). Participants will continue to receive study drug treatment in 28-day cycles until BIRC-confirmed PD, death, occurrence of intolerable toxicity, et al, whichever occurs first.
Legemiddel: HMPL-306 tablet

Participants meeting all enrollment eligibility criteria will be randomized in a 1:1 ratio to receive HMPL-306 or placebo matched to HMPL-306 administered orally once daily (QD). Participants in HMPL-306 group will receive HMPL-306 250 mg administered orally once daily (QD). Participants will continue to receive study drug treatment in 28-day cycles until BIRC-confirmed PD, death, occurrence of intolerable toxicity, et al, whichever occurs first.
Placebo komparator: Placebo

Participants in placebo group will receive placebo matched to HMPL-306 administered orally once daily (QD). Participants will continue to receive study drug treatment in 28-day cycles until BIRC-confirmed PD, death, occurrence of intolerable toxicity, et al, whichever occurs first.

Participants in the placebo group with BIRC-confirmed PD, after evaluation, may cross over to the HMPL-306 group to receive HMPL-306 treatment.
Legemiddel: Placebo

Participants meeting all enrollment eligibility criteria will be randomized in a 1:1 ratio to receive HMPL-306 or placebo matched to HMPL-306 administered orally once daily (QD). Participants in placebo group will receive placebo matched to HMPL-306 administered orally once daily (QD). Participants will continue to receive study drug treatment in 28-day cycles until BIRC-confirmed PD, death, occurrence of intolerable toxicity, et al, whichever occurs first.

Participants in the placebo group with BIRC-confirmed PD, after evaluation, may cross over to the HMPL-306 group to receive HMPL-306 treatment.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
PFS assessed by BIRC (according to Response Assessment in Neuro-Oncology [RANO] 2.0 criteria)
Tidsramme: Up to approximately 30 months

PFS(progression-free survival ):The time from the date of randomization to the date of first disease progression (PD) confirmed by BIRC(Blinded Independent Review Committee) or death from any cause
Up to approximately 30 months

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
TTNI
Tidsramme: Up to approximately 36 months

TTNI(time to next intervention ):The time from the date of randomization to the date of first initiation of any subsequent anti-tumor therapy or all-cause death
Up to approximately 36 months
TGR
Tidsramme: every 6months,up to approximately 30 months

TGR( tumor growth rate) :The time from the date of randomization to the date of first disease progression (PD) confirmed by BIRC or death from any cause
every 6months,up to approximately 30 months
TEAEs
Tidsramme: Up to approximately 30 months

Treatment-emergent adverse events (TEAEs) are defined as all adverse medical events that occur after participants receive the investigational medicinal product, which may manifest as symptoms, signs, diseases, or laboratory abnormalities, but are not necessarily causally related to the investigational medicinal product.
Up to approximately 30 months
PFS assessed by Investigator
Tidsramme: Up to approximately 30 months

PFS ( progression-free survival) : the time from the date of randomization to the date of first PD confirmed by investigators or all-cause death
Up to approximately 30 months
ORR
Tidsramme: Up to approximately 30 months

ORR(objective response rate),defined as the proportion of participants with best overall response of complete response (CR), partial response (PR), and minor response (MR)
Up to approximately 30 months
DCR
Tidsramme: Up to approximately 30 months

DCR(disease control rate), defined as the proportion of participants with best overall response of CR(complete response), PR(partial response), MR(minor response), and SD(Stable Disease )
Up to approximately 30 months
TTR
Tidsramme: Up to approximately 30 months

TTR(the time to response), defined as the time from the date of randomization to the date of first documented CR(complete response), PR(partial response), MR(minor response)
Up to approximately 30 months
DoR
Tidsramme: Up to approximately 30 months

DoR( duration of response), defined as the time from the date of first documented CR(complete response), PR(partial response), MR(minor response) to the date of first documented PD(Disease Progression) or death
Up to approximately 30 months
(CR+PR) Rate
Tidsramme: Up to approximately 30 months

CR+PR rate(the proportion of complete response and partial response), defined as the proportion of participants with best overall response of CR(complete response), and PR(partial response)
Up to approximately 30 months
Time to CR+PR
Tidsramme: Up to approximately 30 months

Time to CR+PR, defined as the time from the date of randomization to the date of first documented CR(complete response), or PR(partial response)
Up to approximately 30 months
Duration of CR+PR
Tidsramme: Up to approximately 30 months

Duration of CR+PR, defined as the time from the date of first documented CR or PR to the date of first documented PD or death from any cause, whichever occurs first
Up to approximately 30 months
OS
Tidsramme: Up to approximately 30 months

Overall survival (OS) :the time from the date of randomization to the date of all-cause death
Up to approximately 30 months
HRQoL (health-related quality of life)assessed by the FACT-Br (Functional Assessment of Cancer Therapy-Brain)questionnaire
Tidsramme: Up to approximately 30 months

The health-related quality of life (HRQoL) will be evaluated using the Functional Assessment of Cancer Therapy-Brain (FACT-Br) questionnaire in participants treated with HMPL-306 versus placebo
Up to approximately 30 months
PK characteristics(plasma drug concentrations at each sampling time point)
Tidsramme: Up to approximately 6 months

Plasma drug concentrations at each sampling time point
Up to approximately 6 months

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Hutchmed

Etterforskere

  • Hovedetterforsker: Jinsong Wu, MD, Huashan Hospital

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Antatt)

1. november 2026

Primær fullføring (Antatt)

1. mars 2032

Studiet fullført (Antatt)

1. september 2032

Datoer for studieregistrering

Først innsendt

19. oktober 2026

Først innsendt som oppfylte QC-kriteriene

27. oktober 2026

Først lagt ut (Faktiske)

3. november 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

3. november 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

27. oktober 2026

Sist bekreftet

1. oktober 2026

Mer informasjon

Begreper knyttet til denne studien

Andre studie-ID-numre

  • 2026-306-00CH1

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

NEI

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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