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2

Indication details

Control Arm
Placebo
Therapeutic Indication
For adult patients with locally advanced or metastatic cholangiocarcinoma with an IDH1 R132 mutation who were previously treated by at least one prior line of systemic therapy.
Tumour Type
Gastrointestinal Cancers
Tumour Sub-type
Cholangiocarcinoma
Tumour Stage
Locally advanced or metastatic
Tumour Sub-Group
IDH1
Trial Name
ClarIDHy
NCT Number
NCT02989857
Trial Phase
Phase III

Approval details

FDA Approval
FDA approval August 2021
EMA Approval
EMA (CHMP) February 2023 EC decision May 2023

Primary Outcome(s)

Primary Outcome(s)
PFS
Evaluated Outcome
PFS
Form(s)
Form 2b

Outcome Data

PFS Control
1.4 months
PFS Gain
1.3 months
PFS HR
0.37 (0.25-0.54)
OS Control
7.5 months
OS Gain
2.8 months
OS HR
0.79 (0.56-1.12) OS NS (mature)

Adjustments

QoL Comment
No QoL benefit

Final Score (after adjustments)

Preliminary non-curative score

2

Final non-curative score

2

Comment
Mature OS is subject to major crossover; therefore, it is not taken into account for any score adjustments. The study incorporated undesirable crossover undermining the veracity of the overall survival benefit evaluation. Crossover-adjusted estimated OS gain is 5.2 months, HR 0.49 (0.34-0.70).

Scorecard details

ESMO-MCBS version
ESMO-MCBS v1.1
Scorecard ID
297
Scorecard version
1
Issue date
23.09.2021
Last update
18.01.2024
Ivosidenib ClarIDHy

PRELIMINARY SCORE

PFS

ADJUSTMENTS

QoL not clinically significant
Ivosidenib ClarIDHy

FINAL SCORE

Overall Survival / Disease-Free Survival / Pathological Complete Response
Overall Survival
2
Progression-Free Survival
Non-inferiority (Improved Quality of Life or Reduced Adverse Events) / Response Rate
Overall Response Rate / Duration of Response
Gastrointestinal Cancers
For adult patients with locally advanced or metastatic cholangiocarcinoma with an IDH1 R132 mutation who were previously treated by at least one prior line of systemic therapy.
Ivosidenib
Placebo

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    Legend

    Information about symbols, abbrevations and color codes

    Red = negative
    Green = positive
    Grey = neutral
    ? Grey + ? = neutral with pending data
    DFS
    Disease-Free Survival
    DoR
    Duration of Response
    EFS
    Event-Free Survival
    HR
    Hazard Ratio
    NEB
    No evaluable benefit
    NI
    Non-inferiority Study
    ORR
    Overall Response Rate
    OS
    Overall Surival
    pCR
    Pathological Complete Response/Remission
    PFS
    Progression-Free Survival
    QoL
    Quality of Life
    RFS
    Relapse-Free Survival
    RR
    Response Rate

    QoL adjustments

    Other adjustments*

    Serious and disabling adverse effects

    Red = negative / deterioration

    Green = positive / improvement

    QoL adjustments

    Red = negative / deterioration

    Green = positive / improvement

    Other adjustments*

    Red = negative / deterioration

    Green = positive / improvement

    Serious and disabling adverse effects

    Red = negative / deterioration

    Green = positive / improvement

    * Other adjustments include:

    - Long-term plateau in the survival curve
    - Long-term plateau in the PFS curve
    - Early stopping or crossover
    - Only improved PFS mature data shows no OS advantage and no improved Qol.

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