Return to Sensus Schizophrenia Monitor

Clinical, for clinicians

Medicines, and what the record shows about each

Five antipsychotics profiled from their FDA labels, the Sensus readings that matter for each, and a map from a person’s answers to the points a prescriber may want to discuss with them.

What this adds up to

People stop treatment for reasons that can be measured. Sensus measures them every four weeks, in the person’s own words and a family member’s, and puts them in front of the clinician, so the conversation about a medicine can happen before the decision to stop it.

Clinician material. Information for a conversation, never an instruction. In the live platform this page opens only for a signed-in clinician whose practice has Sensus decision support switched on. Nothing here recommends starting, changing or stopping any medicine. Label doses appear only on this clinician page, never in the person’s own report. The prescriber decides, with the person. Always check the current FDA prescribing information.
Clinical

The Sensus battery beside the clinic’s gold standard

A psychiatrist’s ideal assessment of schizophrenia combines a diagnostic interview, a mental status examination, clinician-rated symptom scales, cognitive testing, a functional measure and laboratory work. Sensus is built to match that battery’s quality between visits, and to sit beside it, not replace it. The preferred option in each row is marked; where each is better at a different job, both are.

What is assessedClinic gold standardPublicly available?Sensus choicePublicly available?The difference
DiagnosisPreferred SCID-5, the structured clinical interview for DSM-5No: licensed (APA Publishing); trained interviewerBackground intake and M3 Checklist; the clinician records the diagnosisIntake and M3: oursThe SCID-5 walks through every DSM-5 criterion in a structured interview to confirm the diagnosis and rule out others. Sensus does not diagnose. It records when symptoms began, how they have run since and the mood picture beside them, which the interview otherwise has to rebuild from memory.
Mental statusPreferred Mental Status ExaminationA clinical method, not an instrumentClinician entry at visits—The MSE rests on what the clinician observes: appearance, speech, behaviour, thought form. A questionnaire cannot see these, so Sensus only records the clinician’s findings.
Positive symptomsPreferred at visitsPANSS, 30 items, clinician-ratedNo: licensed (Mapi Research Trust)Preferred between visitsColorado Symptom Index (14) and R-GPTS paranoia (18), self-report; the clinician’s PANSS total recordedCSI and R-GPTS: free public sources, written confirmation pendingThe PANSS is an interview covering positive, negative and general symptoms, and it defines remission and treatment response. CSI and R-GPTS are self-report: R-GPTS is highly accurate for paranoia (AUC 0.953), but neither covers disorganized thinking, which needs an observer. Use PANSS at visits, CSI and R-GPTS between them.
Negative symptomsPreferred CAINS, clinician interviewFree for research only (Kring lab)MAP-SR (15), self-report, built to mirror the CAINS motivation and pleasure scalePermission to be requestedThe CAINS rates both motivation and pleasure and expression (blunted face, voice, gesture), which needs an observer. The MAP-SR covers only motivation and pleasure, correlating r = 0.65 with the matching CAINS scale.
Depression vs negative symptomsPreferred Calgary Depression Scale (CDSS), 9 items, clinician interviewFree for clinicians in routine practice; other uses via MapiM3 depression module read beside the MAP-SR; the clinician’s CDSS recordedM3: oursThe CDSS was built to separate depression from negative symptoms in schizophrenia and is not meant for self-assessment. The M3 is not validated for that distinction. Sensus places the two side by side and flags the question for the clinician.
CognitionPreferred BACS or MCCB, trained testerNo: licensedClinician-entered score; smartphone tasks under evaluationClinician entry; home tasks exploratoryThe BACS and MCCB are timed, standardized tests given by a trained tester; the MCCB is the outcome standard for cognition trials. Home smartphone tasks correlate r = 0.53–0.60 with the MCCB and are not yet a substitute.
FunctionWHODAS 2.0, given in the clinicFree for clinicians with their own patients; electronic use needs WHO permissionPreferred The same WHODAS 2.0, 12-item, from the person and a family member, every quarterWHO permission pendingThe identical instrument. Sensus adds the family version, which is the more sensitive to change in serious mental illness, and repeats it every twelve weeks instead of at occasional visits.
Medical mimicsCBC, TSH, liver and renal panels, vitamin levelsStandard laboratory testsPreferred The same tests, entered by the clinician, with reminders when dueOursThe same tests. Sensus adds the timeline and the reminders: the ADA/APA metabolic timetable and the clozapine ANC schedule.
Substance usePreferred recent useToxicology screenStandard laboratory testPreferred pattern over timeTAPS Tool, self-report, every quarterPublic domain (NIDA)A urine screen objectively shows recent drug use, but not alcohol patterns, tobacco or prescription misuse. TAPS covers those and the pattern over time, but relies on what the person reports. Each covers what the other misses.

What the clinic battery does not measure

The ideal clinic list has no measure of what the treatment costs the person, whether they are taking it, or how they see it, which are the main reasons people stop.9 Sensus adds:

Added by SensusInstrumentPublicly available?Why it matters
Side-effectsGASS (22), self-reportYes: freely available (PhenX Toolkit)Antipsychotics differ more in side-effects than in efficacy
PainDVPRS (5)US federal work, free unalteredAbout a third of people with schizophrenia live with clinical pain
SleepPROMIS Sleep Disturbance 8aPermission pending (HealthMeasures)A common symptom and a common side-effect
InsightVAGUS-SR (10)Licence pending (CAMH)Lack of insight is the most-reported driver of stopping
Adherence and life eventsM3’s own questionsOursNo conclusion about a medicine can be drawn if it is not being taken
SafetyM3 item 5 and the 988 pathwayOursFires at every sitting, between visits, when no clinician is present

What each list covers

Every need the two lists address, side by side. The clinic list is the gold-standard battery above; the Sensus list is what Sensus gives today. The two are strongest together: the clinic list for diagnosis and what only an observer can rate, Sensus for the months between visits and the reasons people stop.

Need or symptomClinic gold-standard listSensus list
Diagnosis and what is observed
Confirming the diagnosisYes SCID-5No Records the clinician’s diagnosis
Observed mental state (appearance, speech, thought form)Yes Mental Status ExaminationNo Records the clinician’s findings
Psychotic symptoms
Hearing voices and other hallucinationsYes PANSSYes CSI, every 4 weeks
Delusions and unusual beliefsYes PANSSPartly CSI items; no dedicated scale
Paranoia and suspiciousnessPartly PANSS, one itemYes R-GPTS (18 items) and CSI
Disorganized thinkingYes PANSS; MSENo Needs an observer
Negative symptoms
Motivation and pleasureYes CAINS; PANSSYes MAP-SR, quarterly
Blunted expression (face, voice, gesture)Yes CAINS; PANSSNo Needs an observer
Mood, anxiety and safety
DepressionYes Calgary Depression ScaleYes M3 depression module
Telling depression apart from negative symptomsYes Calgary Depression ScalePartly M3 beside MAP-SR; flagged for the clinician
Bipolar signs and maniaPartly SCID-5 mood modules; PANSS excitement itemYes M3 bipolar module, every 4 weeks
AnxietyPartly SCID-5; PANSS anxiety itemYes M3 anxiety module
PTSDPartly SCID-5, if the module is givenYes M3 PTSD items
OCD symptomsPartly SCID-5, if the module is givenPartly M3 OCD items (3)
Suicidal thoughtsPartly Calgary item; asked at visitsYes M3 and CSI at every sitting, with the 988 pathway
Safety check between visitsNo Yes Every 4 weeks, at home
Thinking and awareness
Cognition (memory, attention, speed)Yes BACS or MCCBNo Records the clinician’s score
Insight into the illness and treatmentPartly PANSS, one itemYes VAGUS-SR, quarterly
Everyday life
Function, the person’s viewYes WHODAS 2.0Yes WHODAS 2.0, quarterly
Function, a family member’s viewNo Yes WHODAS 2.0 family version
Personal goalsNo Yes Up to 3, rated every 4 weeks
Life events beside the scoresNo Yes Every 4 weeks
Body and treatment
Medicine side-effectsNo Yes GASS (22 items)
Movement side-effectsNo Not in the list (AIMS exam)Partly GASS movement items
PainNo Yes DVPRS
SleepNo Yes PROMIS Sleep
Taking the medicine (adherence)No Yes Every 4 weeks, with reasons
Therapy and support receivedNo Yes Sessions by kind, every 4 weeks
Medical causes ruled out (labs)Yes CBC, TSH, liver, renal, vitaminsYes Same labs, clinician-entered, with reminders
Weight and metabolic monitoring on schedulePartly Labs, no timetableYes NICE and ADA/APA timetable per medicine
Context
Recent drug use, objectivelyYes Toxicology screenNo
Alcohol, tobacco and drug use over timePartly SCID-5 substance moduleYes TAPS, quarterly
Needs covered, of 3213 fully, 9 partly, 10 not covered22 fully, 4 partly, 6 not covered
Total questions64 rated items (PANSS 30, CAINS 13, Calgary 9, WHODAS 12), plus the SCID-5 interview, the MSE, 6 BACS tests (or 10 MCCB tests), labs and a drug screenAbout 90 answers every 4 weeks (M3 27, CSI 14, GASS 21 of 22 by sex, PROMIS 8, DVPRS 5, about 15 on medicine, therapy, life and goals). About 42 more each quarter (WHODAS 12, MAP-SR 15, VAGUS 10, TAPS 5), plus R-GPTS 18 when asked and 12 for a family member
Who gives it, and how longTrained clinicians and testers; roughly 2½ to 4 hours of clinician time in total (SCID-5 60–90 min, PANSS 30–50, CAINS 15–30, Calgary 10–15, BACS about 35)The person, at home; about 20 minutes every 4 weeks and about 15 more each quarter. No clinician time to give it

Partly means the need is touched by one item or only for some people (for example a SCID-5 module given only when indicated). Item counts are those of the published instruments; times are typical published ranges. Planned additions would close more of the gaps: the PANSS-6 between visits by a clinician for disorganized thinking, delusions and blunted expression, and the SNS self-report for all five negative-symptom areas.

Against the five standards we set

StandardClinic gold-standard batterySensus
QualityThe reference standard for diagnosis and symptom severityPublished, validated instruments, used unaltered; strongest for paranoia, function and insight. Several have not yet been studied for repeated use, and each is labelled
UtilityEstablishes the diagnosis and a baseline at one point in timeShows direction between visits, linked to each medicine’s trial window, side-effects and adherence
CompactnessSeveral interviews and tests, each needing a trained clinician or raterAbout 20 minutes every four weeks, about 15 more each quarter, answered at home
EngagementNone between visitsLife events, personal goals and a report the person keeps
EfficiencyClinician time at every administrationNo clinician time to administer; the clinician reviews one overview and adds their own ratings
Built to be used together. The clinic battery gives the diagnosis and the reference ratings. Sensus fills the months in between and records the clinic’s own scores on the same timeline, so the gold standard and the home record are read side by side.
Medicine

Five medicines, one set of variables

Two new agents, the treatment-resistance standard, and two widely used comparators. Each card uses the same fields so they can be read side by side.

What changed in the field. Cobenfy (September 2024) is the first antipsychotic approved for schizophrenia that targets cholinergic receptors rather than dopamine receptors.1 Bysanti (February 2026) is a new chemical entity that converts to iloperidone.3 Another agent with a new mechanism, emraclidine, failed its Phase 2 trials in November 2024.11
New mechanism

Cobenfy xanomeline and trospium chloride

MechanismMuscarinic agonist (xanomeline) with a peripherally acting muscarinic antagonist (trospium). Does not block dopamine receptors.
FDA statusApproved 26 September 2024, schizophrenia in adults1
FormOral capsule, twice daily
Boxed warningNone2
Most commonNausea, dyspepsia, constipation, vomiting, hypertension, abdominal pain, diarrhea, tachycardia
WarningsUrinary retention; hepatic impairment; biliary disease; decreased GI motility; angioedema; narrow-angle glaucoma; increased heart rate; anticholinergic effects in renal impairment; CNS effects
ContraindicatedUrinary retention; moderate or severe hepatic impairment; gastric retention; untreated narrow-angle glaucoma; hypersensitivity
Interaction classesStrong CYP2D6 inhibitors; drugs eliminated by tubular secretion; sensitive CYP3A4 and P-gp substrates; antimuscarinics
Not in the labelTardive dyskinesia, NMS, metabolic changes and the dementia boxed warning are not among its warnings2

Sensus watches: GI symptoms and urinary hesitancy (GASS); heart racing; blood pressure (clinician entry).

New chemical entity, schizophrenia and bipolar I

Bysanti milsaperidone

MechanismD2, 5-HT2A and strong alpha-1 antagonism; interconverts with iloperidone
FDA statusApproved 20 February 2026, schizophrenia and acute mania or mixed episodes of bipolar I in adults3
FormOral tablet, with a titration period
Boxed warningIncreased mortality in elderly patients with dementia-related psychosis
Most commonDizziness, dry mouth, fatigue, nasal congestion, orthostatic hypotension, somnolence, tachycardia, weight increased
WarningsQTc prolongation; NMS; tardive dyskinesia; metabolic changes; orthostatic hypotension and syncope; seizures; leukopenia, neutropenia and agranulocytosis; priapism; floppy iris syndrome; falls; hyperprolactinemia
Before startingThe label advises considering CYP2D6 genetic testing; not recommended in severe hepatic impairment
Interaction classesStrong CYP2D6 and CYP3A4 inhibitors; other QTc-prolonging drugs; alpha-blockers and other blood-pressure drugs

Sensus watches: dizziness on standing, fainting and falls; heart racing; weight; prolactin-related items (GASS).

Treatment-resistance standard

Clozapine Clozaril and generics

IndicationsSeverely ill schizophrenia not responding to standard treatment; reducing the risk of recurrent suicidal behavior in schizophrenia or schizoaffective disorder4
FormOral tablet or orally disintegrating tablet
Boxed warningsSevere neutropenia; orthostatic hypotension, bradycardia and syncope; seizure; myocarditis, pericarditis and cardiomyopathy; dementia-related mortality
Most commonSedation, dizziness, headache, tremor; tachycardia, hypotension, syncope; hypersalivation, sweating, dry mouth, visual disturbance; constipation, nausea; fever
Other warningsGI hypomotility; QT prolongation; metabolic changes; NMS; hepatotoxicity; tardive dyskinesia; and others
MonitoringANC at baseline and on the schedule in the label. The FDA removed the clozapine REMS effective 13 June 2025; monitoring continues per the label5
Interaction noteSmoking affects clozapine levels; a change in smoking is worth recording

Sensus watches: constipation and salivation (GASS); sedation; fever; dizziness; tobacco use (TAPS); ANC due dates.

Comparator

Aripiprazole Abilify and generics; long-acting forms

IndicationsSchizophrenia; acute manic and mixed episodes of bipolar I; others17
FormOral daily; long-acting injectable forms available
Boxed warningsDementia-related mortality; suicidality in young people (antidepressant class warning)
Most commonAkathisia, the main reaction above placebo; also nausea, vomiting, constipation, headache
WarningsNMS; tardive dyskinesia; metabolic changes; compulsive behaviors, including gambling; orthostatic hypotension; leukopenia and neutropenia

Sensus watches: restlessness (GASS); new compulsive urges, raised in the visit; weight.

Comparator

Olanzapine oral; monthly injection TEV-'749 in FDA review

IndicationsSchizophrenia; bipolar I, acute and maintenance treatment18
EvidenceIn CATIE, olanzapine had the lowest discontinuation (64% vs 74–82%) and the longest time on treatment, with more weight gain and rises in HbA1c, cholesterol and triglycerides7
FormOral daily. TEV-'749, a once-monthly subcutaneous injection, is investigational, with an FDA decision expected Q4 2026
TEV-'749 trial dataWeight increase was the commonest adverse event (36%); no post-injection delirium or sedation syndrome in 3,470 injections8
Interaction noteSmoking affects olanzapine levels

Sensus watches: weight against the window baseline; sedation; the metabolic timetable. See the Medications in Phase 3 schedule.

The Sensus signals, by medicine

Taken from each label’s most common reactions, warnings and boxed warnings, and from CATIE for olanzapine. Yes: listed, or shown separately in trials. Mixed: mixed results. Total score: approved on total-score evidence. Indicated or Boxed: a specific indication or a boxed warning. A dash means not listed in the sources cited.

Signal in the recordSensus sourceCobenfyBysantiClozapineAripiprazoleOlanzapine
What each medicine was shown to treat
Positive symptoms (voices, paranoia, unusual beliefs)Senses: CSI, R-GPTSYes
all 3 trials
Total scoreTotal scoreTotal scoreTotal score
Negative symptoms (loss of motivation, pleasure, expression)MAP-SR; family WHODASMixed
2 of 3 trials
Total scoreTotal scoreTotal scoreTotal score
Treatment-resistant schizophreniaTrial windows; TRRIP note––Indicated––
Also approved for bipolar I (manic or mixed episodes)M3 bipolar items–Yes–YesYes
What the record watches for
Weight and metabolic changeWeight, glucose, lipids; GASS–YesYesYesYes
Restlessness (akathisia)GASS–––Yes–
Involuntary movements (TD)Clinician exam–YesYesYes–
SleepinessGASS; PROMIS Sleep–YesYes–Yes
Dizziness on standing, fainting, fallsGASS; titration checkYesYesBoxedYes–
Heart racingGASS; clinician entryYesYesYes––
Nausea, constipation, GI slowingGASSYes–YesYes–
Urinary hesitancy or retentionGASSYes––––
Prolactin and sexual effectsGASS–Yes–––
SeizureUrgent question–YesBoxed––
Fever with rigidity or confusion (possible NMS)Urgent question–YesYesYes–
Low white cell countClinician lab entry–YesBoxedYes–
Heart rhythm (QTc)Clinician ECG entry–YesYes––

Positive and negative symptoms. Cobenfy improved the PANSS positive subscale in all three of its trials, and the negative subscale in two of the three (EMERGENT-1 and -2, not EMERGENT-3).16 The other four were approved on total symptom scores, which combine positive, negative and general symptoms; a separate effect is not shown in the sources cited. None of the five carries a separate FDA indication for negative symptoms. Bysanti, aripiprazole and olanzapine are also approved for manic or mixed episodes of bipolar I disorder.31718

A dash means the item is not among the reactions and warnings in the sources cited here, not that it never occurs. The olanzapine column reflects CATIE and the TEV-'749 trial only; it will be completed from the olanzapine label before build. Check every cell against the current label.

New and upcoming

The three newest medicines: dosing and side-effects

From the FDA prescribing information for the two approved agents, and from the sponsor for the one still in review. For the clinician only: the person’s report never shows a dose. Always check the current label before prescribing.

Cobenfy xanomeline and trospium chlorideBysanti milsaperidoneTEV-'749 olanzapine extended-release injectable suspension
StatusFDA approved 26 September 2024, schizophrenia in adults1FDA approved 20 February 2026, schizophrenia and acute manic or mixed episodes of bipolar I in adults3Investigational. NDA accepted 20 February 2026; the sponsor expected an FDA decision in Q4 2026. No approval found as of this build21
MechanismMuscarinic agonist with a peripherally acting muscarinic antagonist; no dopamine blockadeAtypical antipsychotic; interconverts with iloperidoneOlanzapine in a once-monthly subcutaneous depot
StrengthsCapsules 50 mg/20 mg, 100 mg/20 mg, 125 mg/30 mg19Tablets 1, 2, 4, 6, 8, 10 and 12 mg20Three dose levels studied (low, medium, high); final strengths will come with the label
Starting and titration50 mg/20 mg twice daily for at least 2 days, then 100 mg/20 mg twice daily for at least 5 daysSchizophrenia: 1, 2, 4, 6, 8, 10, 12 mg twice daily on days 1 to 7.
Bipolar I mania: 1, 3, 6, 9, 12 mg twice daily on days 1 to 5. Titration lowers the risk of orthostatic hypotension
Not yet labelled. The sponsor has modelled direct switching from oral olanzapine
MaintenanceMay increase to 125 mg/30 mg twice daily based on tolerability and response (maximum)Schizophrenia: 6 to 12 mg twice daily. Bipolar I mania: 12 mg twice dailyOnce every four weeks, given by a healthcare professional
AdjustmentsGeriatric: start 50 mg/20 mg twice daily, consider slower titration, maximum 100 mg/20 mg twice daily. Not recommended in moderate or severe renal impairment, or in mild hepatic impairment; contraindicated in moderate or severe hepatic impairmentCYP2D6 poor metabolizers: shorter titration to 3 to 6 mg twice daily (schizophrenia) or 6 mg twice daily (mania). Reduce the dose with a strong CYP2D6 or CYP3A4 inhibitor. Not recommended in severe hepatic impairmentTo come with the label
How it is takenAt least 1 hour before or 2 hours after a meal. Do not open the capsulesWith or without food. If more than 3 days are missed, restart the titration scheduleSubcutaneous injection. Trials found no post-injection delirium or sedation syndrome, and no evidence of a need for post-injection monitoring821
Most common side-effectsNausea, dyspepsia, constipation, vomiting, hypertension, abdominal pain, diarrhea, tachycardia2Dizziness, dry mouth, fatigue, nasal congestion, orthostatic hypotension, somnolence, tachycardia, weight increased (schizophrenia)Weight increase was the commonest adverse event (36%)8
Weight and metabolicNo metabolic warning in the labelWeight increased among the common reactions; metabolic changes is a label warningOlanzapine carries the highest metabolic burden of the comparators in CATIE7
What Sensus addsThe meal-timing rule is a common reason doses go wrong; GI and urinary items on the GASSMissed days on the adherence question trigger the re-titration reminder; dizziness and falls on the GASSInjection dates in place of daily adherence; weight against the ADA/APA timetable

Doses quoted from the FDA prescribing information (Cobenfy, Bysanti) and sponsor materials (TEV-'749). Sensus does not calculate, suggest or display doses to the person.

Pipeline

Medicines approaching the market

The late-stage schizophrenia medicines Sensus is ready to follow. Clozapine stays in the medicine list as the treatment-resistance standard. Investigational agents are available only inside clinical trials; timelines are the sponsors’ own and can move.

MedicineCompanyWhere it standsMechanism and formWhat Sensus would watch
TEV-'749
olanzapine LAI
Teva and MedinCellNDA accepted 20 February 2026; FDA decision expected Q4 202621Once-monthly subcutaneous olanzapine (SteadyTeq copolymer). Designed to avoid the 3-hour post-injection observation required for the older intramuscular olanzapine depotInjection dates in place of daily doses; weight against the NICE and ADA/APA timetable; sedation
Bysanti
milsaperidone
Vanda PharmaceuticalsFDA approved 20 February 2026; launch under way3Oral tablet, twice daily after titration. Schizophrenia and acute manic or mixed episodes of bipolar IMissed days (re-titration after more than 3), dizziness and falls, weight, M3 bipolar items
NBI-1117568Neurocrine Biosciences (from Nxera)Phase 3 registrational programme started 30 April 202524Oral, once daily. M4-selective orthosteric muscarinic agonist; no dopamine blockade. Phase 2: 7.5-point placebo-adjusted PANSS reduction at week 6, generally well toleratedPositive and negative symptoms (CSI, R-GPTS, MAP-SR); GI items; weight should stay flat
LB-102
N-methyl amisulpride
LB PharmaceuticalsPhase 3 NOVA-2 (about 460 patients); topline results expected first half of 2027, pre-NDA meeting second half of 202725Oral, once daily. Selective D2, D3 and 5-HT7 antagonist, a methylated derivative of amisulprideProlactin and sexual items on the GASS; restlessness; symptoms
KarXT
Cobenfy, new uses
Bristol Myers SquibbApproved for adults 2024. Adjunctive use failed its Phase 3 ARISE primary endpoint (April 2025)26. Adolescent and wider-population trials are reported in market summaries; not confirmed in BMS releases we foundOral capsule, twice daily. Muscarinic agonist with a peripheral antagonistAs for Cobenfy: meal timing, GI and urinary items, heart rate

Each has its own switch for the clinician guidance page in Clinical Support Set Up (KarXT shares the Cobenfy switch), alongside clozapine, aripiprazole and oral olanzapine: eight medicines in all.

The map

From Sensus answers to points for discussion

Each row is a pattern the record can show, what the clinician view displays, and the guideline or label it draws on. Every row ends in a conversation, never an automatic action.

When the record showsThe clinician view displaysPoints for discussionAnchor
A positive safety answer (M3 suicide item; CSI harm item)The 988 pathway has already fired for the person. A flag at the top of the report.Follow the practice’s own safety protocol. Clozapine is FDA-indicated for reducing recurrent suicidal behavior in schizophrenia.Clozapine label4
Fever with stiffness or confusion; a seizure; priapismEmergency guidance was shown to the person at once.Possible NMS or a serious adverse reaction: urgent assessment.Labels234
Adherence below 80%, or a late or missed injectionShown first, before any reading of symptomsExplore the reasons, which are commonly side-effects, beliefs about the medicine and insight. Whether a long-acting injection would suit the person, if they prefer it.Higashi 20139; NICE CG17810
Symptoms not easing (CSI, R-GPTS) after two or more medicines, each tried for six weeks or more, with adherence of 80% or moreA note that the TRRIP criteria for treatment resistance may be worth assessingConfirm with a clinician-rated scale. NICE recommends offering clozapine after adequate trials of at least two different antipsychotics, at least one a non-clozapine second-generation agent.Howes 201712; NICE CG17810
Weight up 5% or more from the window baseline, or glucose or lipids risingWeight trend with the ADA/APA timetableThe consensus advises considering a switch at 5% or more weight gain. Side-effect profiles differ more than efficacy between agents; Cobenfy’s label carries no metabolic warning.ADA/APA 200413; Huhn 201914; Cobenfy label2
Restlessness high on the GASSGASS movement items over timePossible akathisia. Akathisia is the most common reaction on aripiprazole. Agents differ markedly in movement effects.Aripiprazole label6; Huhn 201914
Stiffness or tremor, with pain rising on the DVPRSGASS movement items beside the DVPRSExamine for movement side-effects, including painful dystonia. An AIMS in the clinic.Oregon Health Authority 202415
Dizziness on standing, fainting or fallsTitration check and GASSOrthostatic hypotension, listed for Bysanti and boxed for clozapine. Blood pressure lying and standing.Labels34
Urinary hesitancy, constipation or nausea on CobenfyGASS items, flagged for this agentUrinary retention and decreased GI motility are label warnings.Cobenfy label2
Constipation or salivation on clozapineGASS items, flagged for this agentGI hypomotility is a label warning.Clozapine label4
Sleepiness high on the GASS or PROMISSleep and sedation trendSedation as a reason for stopping. Timing and agent.Labels; Higashi 20139
Prolactin or sexual effects on the GASSGASS itemsProlactin level. Hyperprolactinemia is a Bysanti label warning.Bysanti label3
Depressive symptoms on the M3 ChecklistM3 depression module trendDistinguish depression from negative symptoms and from sedation. Mood guidance applies to the depressive component.CANMAT (mood); NICE CG17810
Bipolar signs on the M3 ChecklistM3 bipolar itemsMood episodes alongside psychosis bear on the schizoaffective and bipolar differential. Bysanti, aripiprazole and olanzapine are also approved for bipolar I mania; Cobenfy and clozapine are not.CANMAT/ISBD (bipolar); labels31718
Low insight on the VAGUSAwareness trendLack of insight is the most-reported driver of stopping. Involve the family; NICE recommends offering family intervention.Higashi 20139; NICE CG17810
Function low (WHODAS self and family) while symptoms are steadyFunction beside symptomsPsychosocial treatment: CBT for psychosis, family intervention, supported employment.NICE CG17810
Loss of motivation and pleasure on the MAP-SRNegative-symptom trendCheck whether depression, sedation or movement side-effects are contributing before treating it as primary.Clinical judgement
Cannabis or other substance use on the TAPSContext flagSubstance use as a cause of worsening and a driver of stopping.Higashi 20139
A change in smoking on the TAPS, on clozapine or olanzapineContext flag, for these agentsSmoking affects the levels of both medicines.Labels

Guideline wording is summarized here and will be quoted exactly, with recommendation numbers, in the clinician’s report. NICE CG178 is the schizophrenia guideline. CANMAT covers the mood and anxiety components, which is where the M3 Checklist already draws on it.

References

  1. US Food and Drug Administration. FDA approves drug with new mechanism of action for treatment of schizophrenia, 26 September 2024. fda.gov
  2. COBENFY (xanomeline and trospium chloride) prescribing information, 2024. accessdata.fda.gov
  3. Vanda Pharmaceuticals. FDA approval of BYSANTI (milsaperidone), with Important Safety Information, 20 February 2026. Full prescribing information at bysanti.com.
  4. CLOZARIL (clozapine) prescribing information, 2025. accessdata.fda.gov
  5. US Food and Drug Administration. FDA removes REMS program for clozapine, effective 13 June 2025. fda.gov
  6. Aripiprazole tablets prescribing information. DailyMed
  7. Lieberman JA, et al. CATIE. New England Journal of Medicine 2005;353:1209–1223. Figures as summarized by Wiki Journal Club.
  8. Teva Pharmaceuticals. New long-term safety data from the completed Phase 3 SOLARIS trial. tevapharm.com
  9. Higashi K, et al. Medication adherence in schizophrenia: a systematic literature review. Therapeutic Advances in Psychopharmacology 2013. journals.sagepub.com
  10. National Institute for Health and Care Excellence. Psychosis and schizophrenia in adults: prevention and management (CG178). nice.org.uk
  11. AbbVie. Update on Phase 2 results for emraclidine in schizophrenia, 11 November 2024. news.abbvie.com
  12. Howes OD, et al. TRRIP Working Group consensus guidelines. American Journal of Psychiatry 2017. psychiatryonline.org
  13. ADA, APA, et al. Consensus development conference on antipsychotic drugs and obesity and diabetes. Diabetes Care 2004;27(2):596–601. diabetesjournals.org
  14. Huhn M, et al. Comparative efficacy and tolerability of 32 oral antipsychotics. The Lancet 2019. thelancet.com
  15. Oregon Health Authority. Recognition and Management of Antipsychotic-induced Movement Disorders, April 2024. oregon.gov
  16. Xanomeline-trospium (Cobenfy) for schizophrenia: a review of the literature (EMERGENT-1, -2 and -3). Clinical Psychopharmacology and Neuroscience. cpn.or.kr
  17. ABILIFY (aripiprazole) prescribing information, 2025. accessdata.fda.gov
  18. COBENFY (xanomeline and trospium chloride) prescribing information, Dosage and Administration. DailyMed
  19. BYSANTI (milsaperidone) prescribing information, 2026. DailyMed
  20. Teva Pharmaceuticals. FDA accepts Teva’s NDA for olanzapine extended-release injectable suspension (TEV-'749), 20 February 2026. tevapharm.com; Psychiatric Times
  21. Yatham LN, et al. CANMAT and ISBD 2018 guidelines for the management of patients with bipolar disorder. Bipolar Disorders 2018;20:97–170. onlinelibrary.wiley.com
  22. Lam RW, et al. CANMAT 2023 update on clinical guidelines for management of major depressive disorder in adults. Canadian Journal of Psychiatry 2024. journals.sagepub.com
  23. Neurocrine Biosciences. Neurocrine initiates Phase 3 registrational program for NBI-1117568 as potential treatment for adults with schizophrenia, 30 April 2025. neurocrine.com
  24. LB Pharmaceuticals. Accelerated timing of topline results from the Phase 3 NOVA-2 trial of LB-102 in schizophrenia, 22 July 2026. release
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  26. ZYPREXA (olanzapine) prescribing information. accessdata.fda.gov
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