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RO4917838

Phase 3

Schizophrenia | Small molecule | Psychiatry |Roche Holding AG|Last Updated: Jun 26, 2017

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials4
Total Enrollment1,576

FDA Designations

No designations recorded

Clinical trial landscape

RO4917838 · 14 trials · 2 indications

Phase 3 2Phase 2 1Phase 1 11
NCT01235520A Study of RO4917838 in Patients With Sub-optimally Controlled Symptoms of Schizophrenia (NN25307)Schizophrenia
COMPLETED595 Analytics
NCT01192867A Study of RO4917838 in Participants With Persistent, Predominant Negative Symptoms of Schizophrenia (NN25310)Schizophrenia
COMPLETED629 Analytics
PHASE3COMPLETED
A Study of RO4917838 in Patients With Sub-optimally Controlled Symptoms of Schizophrenia (NN25307)
SchizophreniaUnlock trial analytics
PHASE3COMPLETED
A Study of RO4917838 in Participants With Persistent, Predominant Negative Symptoms of Schizophrenia (NN25310)
SchizophreniaUnlock trial analytics

Study Endpoints

Primary Endpoints

Positive symptoms factor score assessed by Positive and Negative Syndrome Scale (PANSS)
Change from baseline to Week 12
Safety (incidence of adverse events)
Week 12
Change From Baseline in the Positive and Negative Symptoms Scales (PANSS) Negative Symptoms Factor Score at Week 24 (All-Participant Population)
Baseline, Week 24
Percentage of Participants With Adverse Events (All-Participant Population)
Week 24
Mean change from baseline in PANSS (Positive and Negative Syndrome Scale) negative factor score.
Week 8
Effect of high fat and high caloric food on the relative bioavailability of single dose RO4917838 film coated tablets (FCT): Area under the concentration-time curve (AUC)
Pre-dose and 0.5, 1, 2, 3, 4, 6, 8, 12 and 24 h post-dose, and up to Day 12
Relative bioavailability of single dose RO4917838 hard gelatin capsules as compared to FCT: Area under the concentration-time curve
Pre-dose and 0.5, 1, 2, 3, 4, 6, 8, 12 and 24 h post-dose, and up to Day 12
Relative bioavailability of single dose RO4917838 oral suspension as compared to FCT
Pre-dose and 0.5, 1, 2, 3, 4, 6, 8, 12 and 24 h post-dose, and up to Day 12
Effect of alcohol on pharmacodynamics (Cognitive test battery) of RO4917838
Day 1 of each treatment period
Pharmacodynamics: Abuse potential measured by Visual analogue scales (VAS)
approximately 11 months
Effect of valproate multiple-dose administration on pharmacokinetics of RO4917838 at steady-state: Area under the concentration-time curve (AUC)
Period 2, day 10 and day 15
Effect of RO4917838 multiple-dose administration on the pharmacokinetics of valproate at steady state: Area under the concentration-time curve (AUC)
Period 1, day 5 and Period 2, Day 15
Pharmacokinetics: Area under concentration time curve of RO4917838
Days 1-16
Pharmacokinetics: Area under the concentration-time curve (AUC)
12 days
Pharmacokinetics: Peak plasma concentrations (Cmax)
12 days
Pharmacokinetics of RO4917838 (area under the concentration-time curve, Cmax)
22 days
Area under the concentraion-time curve/maximum concentration (AUC/Cmax) of single dose RO4917838 with multiple dose carbamazepine administration
approximately 4 weeks
Change From Baseline in Cognitive Dysfunction Biomarker (Mismatch Negativity) at Week 6, as Measured Using Electroencephalography (EEG)
Baseline, Week 6
Change From Baseline in Cognitive Dysfunction Biomarker (Visual Event-Related Potential [ERP]) at Week 6, as Measured Using EEG
Baseline, Week 6
Change From Baseline in Cognitive Dysfunction Biomarker (N1 Refractoriness) at Week 6, as Measured Using EEG
Baseline, Week 6
Change From Baseline in Cognitive Dysfunction Biomarker (P3 Component) at Week 6, as Measured Using EEG
Baseline, Week 6
Change From Baseline in Cognitive Dysfunction Biomarker (Visual Evoked Potential [VEP]) at Week 6, as Measured Using EEG
Baseline, Week 6
To determine the effect of multiple doses of RO4917838 on single-dose pharmacokinetics of Rosuvastatin
30 days
Changes in QTcF interval at steady state
Baseline and Day 10

Secondary Endpoints

Symptom domains of schizophrenia using Positive and Negative Syndrome Scale (PANSS)
Change from baseline to Week 12
Disease improvement on Clinical Global Impression - Improvement (CGI-I) symptoms scale
Change from baseline to Week 12
Disease severity on Clinical Global Impression - Severity (CGI-S) symptoms scale
Change from baseline to Week 12
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
1EXPERIMENTAL -
2EXPERIMENTAL -
3PLACEBO_COMPARATOR -
RO4917838 20 milligrams (mg)EXPERIMENTALParticipants, on stable antipsychotics, will receive RO4917838 orally at 20 mg once daily (QD) up to 56 weeks followed by an optional treatment extension for up to 3 years.
RO4917838 10 mgEXPERIMENTALParticipants, on stable antipsychotics, will receive RO4917838 orally at 10 mg QD up to 56 weeks followed by an optional treatment extension for up to 3 years.
PlaceboPLACEBO_COMPARATORParticipants, on stable antipsychotics, will receive RO4917838 matching placebo orally QD up to 56 weeks.
4PLACEBO_COMPARATOR -
A: film coated tablets, fasted conditionEXPERIMENTAL -
B: film coated tablets, fed conditionEXPERIMENTAL -
C: hard gelatin capsulesEXPERIMENTAL -
D: oral suspensionEXPERIMENTAL -
RO4917838 + non-alcoholic drinkACTIVE_COMPARATOR -
RO4917838 + alcoholEXPERIMENTAL -
RO4917838 placebo + alcoholPLACEBO_COMPARATOR -
RO4917838 placebo + non-alcoholic drinkPLACEBO_COMPARATOR -
AACTIVE_COMPARATOR -
BPLACEBO_COMPARATOR -
CEXPERIMENTAL -
Single ArmEXPERIMENTAL -
Healthy Subjects ArmEXPERIMENTAL -
Renal Impaired Subjects ArmEXPERIMENTAL -
Healthy subjectsEXPERIMENTAL -
Hepatic impairmentEXPERIMENTAL -
RO4917838EXPERIMENTAL -
Treatment AEXPERIMENTAL -
Treatment BEXPERIMENTAL -
Treatment CPLACEBO_COMPARATOR -
Treatment DPLACEBO_COMPARATOR -

Interventions

NameTypeDescription
PlaceboDRUGOral doses, once a day for 52 weeks
RO4917838DRUGOral dose level 1, once a day for 52 weeks
Antipshychotics (Standard of Care)DRUGParticipants will continue to receive their stable antipshychotic as standard of care based on their prescription up to Week 56.
Standard antipsychotic therapyDRUGAs prescribed
RO4927838DRUGhard gelatin capsule, single dose
Placebo to RO4917838DRUGSingle dose of placebo to RO4917838
AlcoholOTHERStandard alcoholic drink
diazepamDRUGSingle dose
valproateDRUGMultiple doses
carbamazepineDRUGmultiple oral doses, Days 1-24 of study period 2
RO4917838 and RosuvastatinDRUGmultiple oral doses of RO4917838 and single oral dose of Rosuvastatin
MoxifloxacinDRUGSingle oral dose on Day 1
RO4917838 placeboDRUGOral daily doses of placebo to RO4917838 for 10 days
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites121

Inclusion Criteria: * Adult patients, \>/= 18 years of age * Diagnosis of schizophrenia * Clinical stability for 16 weeks (4 months) prior to randomization * Antipsychotic treatment stability for the past 12 weeks prior to randomization * With the exception of clozapine, patients are on any of the ...

Countries:United StatesArgentinaAustraliaColombiaFinlandFranceHungaryIndiaMexicoRomaniaRussiaSouth KoreaSwedenUnited KingdomAustriaBrazilGermanyJapanPolandChina
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Frequently asked questions about RO4917838

What is RO4917838 used for?

RO4917838 is an investigational small molecule being studied for use in schizophrenia. It is currently in Phase 1 clinical development, with trials conducted in healthy volunteers to assess its safety, tolerability, and pharmacokinetics. The drug is not yet approved and remains under investigation by its developer.

Who makes RO4917838?

RO4917838 is being developed by Roche Holding AG, which trades under the ticker RHHBY. The company is conducting Phase 1 clinical trials to evaluate the drug's properties in healthy volunteers as part of early-stage research.

What phase is RO4917838 in?

RO4917838 is in Phase 1 clinical development. All ten trials associated with the drug have been completed, with no active trials currently ongoing. The drug is investigational and has not been approved for any use.

What clinical trials is RO4917838 in?

RO4917838 has completed ten Phase 1 trials, including NCT01356550, NCT01433575, NCT01613040, and NCT01665976. These studies evaluated the drug's pharmacokinetics in healthy volunteers, including effects of hepatic impairment, food, and QTcF interval. All trials are completed with no active studies.

Is RO4917838 FDA approved?

RO4917838 is not FDA approved. It is an investigational drug currently in Phase 1 clinical trials, which are all completed. The drug is being studied for schizophrenia but has not yet received regulatory approval for any indication.