AIC316-03-I-07
87 evidence topics · 6 sources
Objective
Secondary objectives in the trial protocol
Purpose of the thorough QT/QTc trial
Location and study date
Registry dates and status
| Field | Quoted record |
|---|---|
| Study start (actual) | “2022-12-04” |
| Primary completion (actual) | “2023-05-18” |
| Study completion (actual) | “2023-05-18” |
| First submitted | “2022-12-12” |
| First posted | “2023-01-04” |
| Results first submitted | “2024-04-09” |
| Results first posted | “2025-03-14” |
| Last update posted | “2025-03-14” |
| Recruitment status | “Completed” |
Registry study site
| Field | Quoted record |
|---|---|
| Number of locations | “This study has 1 location” |
| Location | “London, United Kingdom, SE1 1YR” |
| Facility | “Richmond Pharmacology Ltd” |
Protocol identifiers, version, and planned trial period
| Field | Quoted record |
|---|---|
| Sponsor | “AiCuris Anti-infective Cures AG” |
| EudraCT number | “2022-000203-12” |
| Protocol version | “V2.0” |
| Protocol date | “25 Nov 2022” |
| Study center | “Richmond Pharmacology” |
| Planned trial period | “Q4 2022 to Q2 2023” |
| Phase of development | “Phase 1” |
Single-center conduct in a clinical pharmacology unit
Protocol version 2 and comments from the United Kingdom regulator
Protocol version used for the statistical analysis plan
Study design
Design summary in the registry record
Registry design fields
| Field | Quoted record |
|---|---|
| Study type | “Interventional” |
| Phase | “Phase 1” |
| Allocation | “Randomized” |
| Interventional model | “Parallel Assignment” |
| Masking | “Double” |
| Primary purpose | “Prevention” |
| Enrollment (actual) | “64” |
Overall design in the trial protocol
Randomization ratio and schedule
Blinding of participants, site staff, and sponsor
Electrocardiogram recording days and Holter backup
Electrocardiogram acquisition and central reading
Rationale for the design and the control groups
FDA review of the proposed design
Duration of participation
| Period | Days | Duration |
|---|---|---|
| Screening period | “Day -21 to Day -1” | “21 days” |
| Treatment period (inpatient) | “Day 1 to Day 20” | “20 days” |
| Follow-up period (to end of trial) | “Up to Day 30 to 37” | “17 days” |
Risk Benefit Committee and adaptive dose feature
Eligibility criteria
Age, sex, and healthy volunteer status in the registry record
| Field | Quoted record |
|---|---|
| Ages eligible for study | “18 Years to 45 Years” |
| Sexes eligible for study | “All” |
| Accepts healthy volunteers | “Yes” |
Inclusion criteria: health status and consent
Inclusion criteria: body weight, tablet burden, and screening tests
Inclusion criteria: electrocardiographic requirements
Inclusion criteria: contraception
Exclusion criteria: cardiac history, vital signs, and electrocardiographic intervals
Exclusion criteria: laboratory values
Exclusion criteria: medications, vaccination, and investigational drugs
Exclusion criteria: alcohol, tobacco, and substance use
Exclusion criteria: diet, communication, and vulnerable persons
Withdrawal criteria in the trial protocol
Treatment
Regimens by group in the registry record
Investigational products
“There are 4 IMPs in this clinical trial:” (opens the source at this quote in a new tab)
“Pritelivir 100 mg tablets” (opens the source at this quote in a new tab)
“Matching placebo to Pritelivir 100 mg tablets” (opens the source at this quote in a new tab)
“Encapsulated moxifloxacin tablets 400 mg” (opens the source at this quote in a new tab)
Pritelivir and pritelivir placebo dosing
Moxifloxacin and moxifloxacin placebo dosing
Tablets and capsules dispensed for each dose
| Group | Treatment | Product dispensed |
|---|---|---|
| Group 1 | “400 mg or 100 mg pritelivir” | “4 or 1 x 100 mg pritelivir tablet” |
| Group 1 | “Moxifloxacin placebo” | “1 x matched placebo to moxifloxacin capsule” |
| Group 2a and Group 2b | “Pritelivir placebo” | “4 or 1 x matched placebo to pritelivir tablet(s)” |
| Group 2a and Group 2b | “400 mg Moxifloxacin” | “1 x 400 mg moxifloxacin capsule” |
Administration with water and fasting on electrocardiogram days
Selection of the therapeutic dose and the loading dose
Selection of the supratherapeutic dose
Selection of the moxifloxacin dose
Concomitant medications
Dose reduction rules for the supratherapeutic dosing period
Treatment compliance
Study outcomes
Rationale for using placebo-corrected change in QTcF as the primary endpoint
Primary endpoint defined in the statistical analysis plan
Primary outcome measure in the registry record
Threshold of regulatory concern for the change in QTcF
Regulatory guidance behind the endpoint and the Fridericia correction
Planned replacement of QTcF by an individual correction after a heart rate effect
Role of moxifloxacin as the positive control
Nonclinical and earlier clinical electrocardiographic findings cited in the trial protocol
Secondary electrocardiographic variables
“Heart rate” (opens the source at this quote in a new tab)
“PR interval” (opens the source at this quote in a new tab)
“QRS interval” (opens the source at this quote in a new tab)
“Uncorrected QT interval” (opens the source at this quote in a new tab)
“Change in ECG morphological patterns” (opens the source at this quote in a new tab)
Categorical analyses of QTcF
“QTcF interval >450 ms to ≤480 ms” (opens the source at this quote in a new tab)
“QTcF interval >480 ms to ≤500 ms” (opens the source at this quote in a new tab)
“QTcF interval >500 ms” (opens the source at this quote in a new tab)
“QTcF interval increases from baseline >60 ms” (opens the source at this quote in a new tab)
Categorical analyses of PR interval, QRS duration, and heart rate
Pharmacokinetic sampling and plasma concentration endpoints
Blood sampling times for pritelivir and its metabolites
Reference ranges for electrocardiographic parameters
| Parameter | Quoted normal range |
|---|---|
| Heart rate (supine) | “40-100 bpm” |
| PR interval | “120–210 ms” |
| QRS duration | “≤120 ms” |
| QTcF | “≤450 ms (Males); ≤470 ms (Females)” |
Safety and tolerability endpoints
Statistical analysis description
Number of participants (Planned and analyzed)
Planned number of participants
Sample size rationale
Reserve participants at screening
Description of analysis sets
Safety set and pharmacokinetic set
Analysis set for the concentration-QTc analysis
Maximum time between blood sampling and electrocardiogram for a paired measurement
| Postdose time point | Deviation above which the pair is excluded |
|---|---|
| 15 minutes to 1 hour | “11 min for timepoints 15 min to 1 h post dose” |
| 2 hours to 4 hours | “16 min for timepoints 2 h to 4 h post dose” |
| 5 hours | “18 min for timepoint 5 h post dose” |
| 6 hours to 12 hours | “33 min for timepoints 6 h to 12 h post dose.” |
Analysis populations posted with the registry results
| Analysis | Quoted population description |
|---|---|
| Baseline characteristics | “Safety Set” |
| Analysis | Quoted population description |
|---|---|
| Primary outcome measure | “Time course of the drug effect on QTcF: Model based estimates (ECG Set).” |
Concentration-QTc models for the primary analysis
Assay sensitivity analysis
Time course analysis of electrocardiographic variables
Safety analysis, pharmacokinetic analysis, and interim analysis
Results
Participant disposition
Baseline characteristics
Age
| Characteristic | Group 1 | Group 2a | Group 2b | Total |
|---|---|---|---|---|
| Participants | “32” | “16” | “16” | “64” |
| Age in years, mean (standard deviation) | “27.5 (4.74)” | “27.3 (4.78)” | “30.8 (6.23)” | “28.2 (5.28)” |
Sex and ethnicity, count and percentage of participants
| Characteristic | Group 1 | Group 2a | Group 2b | Total |
|---|---|---|---|---|
| Female | “12”“37.5%” | “8”“50.0%” | “7”“43.8%” | “27”“42.2%” |
| Male | “20”“62.5%” | “8”“50.0%” | “9”“56.3%” | “37”“57.8%” |
| Hispanic or Latino | “3”“9.4%” | “0”“0.0%” | “2”“12.5%” | “5”“7.8%” |
| Not Hispanic or Latino | “29”“90.6%” | “16”“100.0%” | “14”“87.5%” | “59”“92.2%” |
| Ethnicity unknown or not reported | “0”“0.0%” | “0”“0.0%” | “0”“0.0%” | “0”“0.0%” |
Efficacy results
Cardiac electrophysiology statement in the prescribing information
Statistical analysis of the primary outcome measure posted on the registry
| Field | Quoted record |
|---|---|
| Type of comparison | “NON_INFERIORITY” |
| Null hypothesis | “Null hypothesis: difference to placebo of change from baseline QTcF ≥ 10 ms.” |
| P value | “<0.05” |
| Statistical method | “Mixed Models Analysis” |
| Estimation parameter | “Prediction @ mean max concentration” |
| Estimated value | “0.8” |
| Confidence level, % | “90” |
| Number of sides | “TWO_SIDED” |
| Confidence interval, lower limit | “-1.3” |
| Confidence interval, upper limit | “2.9” |
| Unit of measure | “ms” |
Mean QTcF in milliseconds by group and time point
Health-related quality of life and patient-reported outcomes
Not applicable.
Safety results
Adverse event reporting period and group definitions
| Field | Quoted record |
|---|---|
| Time frame | “39 days” |
| Coding vocabulary | “MedDRA 26.0” |
Deaths, serious adverse events, and other adverse events
| Category | Group 1 | Group 2a | Group 2b |
|---|---|---|---|
| All-cause mortality | “0/32 (0.00%)” | “0/16 (0.00%)” | “0/16 (0.00%)” |
| Serious adverse events | “0/32 (0.00%)” | “0/16 (0.00%)” | “0/16 (0.00%)” |
| Other (not including serious) adverse events | “20/32 (62.50%)” | “10/16 (62.50%)” | “10/16 (62.50%)” |
Adverse events by system organ class and preferred term
Study limitations
Summary
AIC316-03-I-07 enrolled 64 healthy adults aged 18 to 45 years at 1 site; concomitant medication was an exclusion criterion, with exceptions for hormonal contraception, hormone replacement therapy, and a single intake judged to have no clinical relevance. The highest pritelivir dose was 400 mg once daily, given for 10 days. The registry posts mean QTcF by time point and one model-based prediction with its 90% confidence interval. It posts no moxifloxacin assay sensitivity result, no heart rate, PR interval, or QRS duration result, and no pharmacokinetic result. No journal publication of the trial was identified.