E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Pediatric patients with multidrug-resistant tuberculosis (MDRTB) who are receiving an optimized background regimen (OBR) of Antituberculosis Drugs |
|
E.1.1.1 | Medical condition in easily understood language |
Pediatric patients who received other treatments that did not work and who are receiving treatment of Antituberculosis Drugs |
|
E.1.1.2 | Therapeutic area | Diseases [C] - Bacterial Infections and Mycoses [C01] |
MedDRA Classification |
E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To determine the pharmacokinetics (PK) of delamanid and its metabolites in combination with an OBR in pediatric MDR-TB patients |
|
E.2.2 | Secondary objectives of the trial |
- To determine the safety and tolerability of delamanid in combination with an OBR in pediatric MDR-TB patients
- To determine the palatability of the delamanid pediatric
formulation |
|
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
Key Inclusion Criteria:
- Male or female
- Age birth to 17 years, inclusive
- Confirmed diagnosis of MDR-TB, ie, culture positive
for Mycobacterium tuberculosis (MTB) with isoniazid
and rifampicin resistance on drug-susceptibility testing,
or a positive rapid test demonstrating resistance to
rifampicin alone or to rifampicin and isoniazid
OR
- Presumptive diagnosis of pulmonary or extrapulmonary
MDR-TB such that the treating physician has decided to
treat for MDR-TB the patient who has one of the following:
- Clinical specimen (eg, cerebral spinal fluid, pleural
fluid, ascitic fluid, lymph node aspirate, or other
tissue specimen) suggestive of tuberculosis (TB)
disease
- Persistent cough lasting > 2 weeks
- Fever, weight loss, and failure to thrive
- Findings on recent chest radiograph or other
imaging studies (prior to Visit 1) consistent with TB
AND
- Household contact of a person with known
MDR-TB or a person who died while appropriately
taking drugs for drug-sensitive TB
OR
- On first-line TB treatment but with no clinical
improvement
Negative urine pregnancy test for female patients who
have reached menarche
Study-specific written informed consent/assent obtained
from a parent(s) or guardian or legally acceptable
representative, as applicable for local laws prior to the
initiation of any protocol-required procedures. In
addition, for patients in Groups 1 and 2 the patient must
provide informed assent at screening and must be able
to fully understand that he or she can withdraw from the
study at any time. |
|
E.4 | Principal exclusion criteria |
Key Exclusion Criteria:
Children with laboratory evidence of active hepatitis B
or C
Children with body weight < 5.5 kg
For patients with HIV co-infection, CD4 cell count ≤
1000/mm3 for children 1-5 years old, and ≤
1500/mm3 for children less than 1 year old
History of allergy to metronidazole and any disease or
condition in which metronidazole is required
Use of amiodarone within 12 months prior to the first
dose of investigational medicinal product (IMP) or use
of other predefined antiarrhythmic medications within
30 days prior to the first dose of IMP
Serious concomitant conditions (cardiovascular
disorders, severe respiratory disease, severe diarrheal
disease, renal, hepatic, or neurological impairment)
Preexisting cardiac conditions including but not limited
to structural cardiac disease including suspected TB
involvement of the heart on clinical or radiographic
grounds
Abnormalities in screening electrocardiogram (ECG)
(including atrioventricular block, bundle branch block
or hemi-block, QRS prolongation > 120 msec, or QT
interval corrected using Fridericia’s method (QTcF)
> 450 msec in both males and females)
A concomitant condition such as renal impairment
characterized by serum creatinine levels > 1.5 mg/dL,
hepatic impairment (alanine aminotransferase or
aspartate aminotransferase > 3 times the upper limit of
normal [ULN]), or hyperbilirubinemia characterized by
total bilirubin > 2x ULN
Concurrent diagnosis of severe malnutrition or
kwashiorkor
Positive urine drug screen (Groups 1 and 2 only)
Use of rifampicin and/or moxifloxacin within 1 week
prior to the first dose of IMP and/or any prior or
concurrent use bedaquiline
Lansky Play Performance Score < 50 (not applicable for
children < 1 year old) or Karnofsky Score < 50
Administered an IMP within 1 month prior to Visit 1
Pregnant, breast-feeding, or planning to conceive or father a child within the timeframe described in the informed consent form (Groups 1 and 2 only) |
|
E.5 End points |
E.5.1 | Primary end point(s) |
Pharmacokinetic parameters of delamanid and its main metabolites
|
|
E.5.1.1 | Timepoint(s) of evaluation of this end point |
Plasma samples will be performed in Day 1 (first dose), Day 10 (last dose) and Day 17
For children with tuberculosis meningitis, CSF concentrations of delamanid will be determined after lumbar puntcure |
|
E.5.2 | Secondary end point(s) |
Safety assessments including:
- Vision and neurologic assessments
- Standard 12-lead ECG, intensive ECG monitoring.
- Laboratory testing, including coagulation testing
- Monitoring of electrolytes especially from birth to 2 years of age |
|
E.5.2.1 | Timepoint(s) of evaluation of this end point |
- Safety assessments on Days 1, 10 (Groups 1 and 2 only),
and 18
Follow-up Period: Day 19 to Day 40 (2 days)
- All patients who complete their last scheduled visit will be contacted by telephone 28 to 30 days after the last dose of delamanid to assess any new or ongoing adverse events.
- Patients who terminate from the trial prior to their last scheduled visit will be contacted by telephone or home visit 14 days (2 days) after the last dose of delamanid to assess for any new or ongoing adverse events. |
|
E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | No |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | Yes |
E.6.13.1 | Other scope of the trial description |
|
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | Yes |
E.7.1.1 | First administration to humans | Yes |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | No |
E.8.1.1 | Randomised | No |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 4 |
E.8.3 |
Will this trial be conducted at a single site globally?
| No |
E.8.4 | Will this trial be conducted at multiple sites globally? | Yes |
E.8.6 Trial involving sites outside the EEA |
E.8.6.2 | Trial being conducted completely outside of the EEA | Yes |
E.8.6.3 | Specify the countries outside of the EEA in which trial sites are planned |
|
E.8.7 | Trial has a data monitoring committee | Yes |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
|
|
E.8.9 Initial estimate of the duration of the trial |
E.8.9.2 | In all countries concerned by the trial days | 17 |