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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03715634
Other study ID # INDV-6200-101
Secondary ID
Status Completed
Phase Phase 1
First received
Last updated
Start date September 20, 2017
Est. completion date June 7, 2018

Study information

Verified date March 2019
Source Indivior Inc.
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

INDV-6200 is being developed for the treatment of opioid dependency and is expected to provide sustained buprenorphine plasma concentrations. The study will be done in healthy volunteers and will administer a non-therapeutic dose of INDV-6200. Study Period 1 will evaluate the oral tolerability of sublingual (SL) buprenorphine dosed over 3 days. Period 2 will administer the investigational medicinal product (IMP) or volume matched placebo.


Description:

INDV-6200 is a novel buprenorphine subcutaneous (SC) depot formulation being developed for the treatment of opioid dependency. It is expected to provide sustained buprenorphine plasma concentrations to achieve consistent and optimal occupancy of mu-opioid receptors in the brain, for the treatment of opioid use disorder. A related subcutaneously injected, extended-release product of buprenorphine base has demonstrated sustained therapeutic plasma levels of buprenorphine over a minimum of 1 month.

Extensive experience gained from RBP-6000 allowed the development of an allometric model which has been used to predict the in vivo performance of INDV-6200. The preclinical pharmacokinetic (PK) data and the predictions from allometric scaling indicate that INDV-6200 is expected to display a similar PK profile as RBP-6000. Therefore, the main objective of this study is to investigate the PK properties of this new, related formulation using a low dose with a large safety margin.

Period 1 will be used to evaluate the oral tolerability of SL buprenorphine (SUBUTEX; non-investigational medicinal product [nIMP]) dosed over 3 days. Period 2 will involve administration of the IMP (INDV-6200) or volume-matched placebo; (low dose in Cohort A or alternative dose in optional Cohort B), to evaluate PK and safety of this novel formulation.

Both periods will also include a series of Nalorex (nIMP) administrations to antagonise potential opioid effects from buprenorphine.

Based on modeling and simulation, the dose proposed for Cohort A is expected to give similar plasma buprenorphine exposure to that obtained with the same SC dose of RBP-6000. If buprenorphine plasma exposure is lower than predicted, there is an optional second cohort (Cohort B), which may be used to explore another dose level of INDV-6200 predicted.

As this is a Phase I study, using a non-therapeutic dose of INDV-6200, the most relevant population is healthy subjects as this allows a characterisation of safety, tolerability and PK for a new molecular entity in a homogeneous population without potential biases from a patient population. In order to avoid any interaction with other medication, no co-medication will be allowed.


Recruitment information / eligibility

Status Completed
Enrollment 12
Est. completion date June 7, 2018
Est. primary completion date June 7, 2018
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 55 Years
Eligibility Inclusion Criteria:

1. Healthy males or non-pregnant, non-lactating females

2. Body mass index of 18.0-33.0 kg/m2 or, if outside the range, considered not clinically significant by the Investigator

3. Willing and able to communicate and participate in the whole study

4. Provide written informed consent prior to any study specific procedures

5. Good state of health (mentally and physically) as indicated by a comprehensive clinical assessment, ECG, and laboratory investigations

6. Males and females must agree to use an adequate method of contraception

7. Tolerated SL buprenorphine and nalorex during Period 1

Exclusion Criteria:

1. Medical history of opioid-related adverse reactions

2. History of clinically significant alcohol/drug abuse in the previous 5 years

3. Received any investigational medicinal product within the previous 3 months

4. Study site employees or immediate family members of study site or sponsor employee

5. Previously enrolled in the study

6. Regular alcohol consumption in males greater than 21 units/week and females greater than 14 units/week

7. Current smokers and those who have smoked within the last 6 months

8. Current users of e-cigarettes and nicotine replacement products and those who have used these products within the last 6 months

9. Do not have suitable veins for multiple venipunctures

10. Clinically significant abnormal biochemistry, haematology or urinalysis

11. Positive urine drug screen at screening and admission for each period

12. Positive hepatitis B surface antigen, hepatitis C virus antibody or human immunodeficiency virus results

13. History of clinically significant neurological, cardiovascular, renal, hepatic, chronic respiratory, or gastrointestinal disease, or psychiatric disorder

14. Serious adverse reaction or serious hypersensitivity to any drug or the formulation excipients

15. Clinically significant allergy requiring treatment. Hayfever is allowed unless active

16. Donation or loss of greater than 400 mL of blood within the previous 3 months

17. Taking or have taken, any prescribed or over-the counter drugs or herbal remedies in the 14 days before IMP administrations. Exceptions may apply

18. Injection sites containing any skin discolouration, tattoo, scar tissue or other abnormalities that may impair injection site assessment

19. Any food or drink containing grapefruit or Seville oranges within 7 days prior to first dose of buprenorphine

20. Treatment with any known drugs that are moderate or strong inhibitors/inducers of cytochrome P450 (CYP) 3A4 and/or cytochrome 450 2C8 enzyme within 30 days prior to first dose of study drug

21. Clinically significant abnormal ECG, including QT interval corrected using Fridericia's formula of greater than 450msec in males and greater than 470 msec in females

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
INDV-6200
Subjects will be randomized in a 3:1 ratio to receive either depot buprenorphine or volume-matched placebo
Placebo
Subjects will be randomized in a 3:1 ratio to receive either depot buprenorphine or volume-matched placebo
SL Buprenorphine
All subjects will receive SL buprenorphine as non-investigational IMP to confirm tolerability
Nalorex
Both Periods will include series of nalorex administrations to antagonize potential opioid effects from buprenorphine

Locations

Country Name City State
United Kingdom Quotient Sciences Ruddington Nottingham

Sponsors (1)

Lead Sponsor Collaborator
Indivior Inc.

Country where clinical trial is conducted

United Kingdom, 

Outcome

Type Measure Description Time frame Safety issue
Primary Assessment of PK of INDV-6200 (buprenorphine) The key parameter of the time of maximum concentration (Tmax) of buprenorphine will be evaluated. 84 days
Primary Assessment of PK of INDV-6200 (buprenorphine) The key parameter of the maximum concentration (Cmax) of buprenorphine will be evaluated. 84 days
Primary Assessment of PK of INDV-6200 (buprenorphine) The key parameter of the cumulative area under the curve (AUC) for each PK sample will be evaluated. 84 days
Primary Assessment of PK of INDV-6200 (buprenorphine) The key parameter of the half life of buprenorphine will be evaluated. 84 days
Secondary Assessment of PK of INDV-6200 (norbuprenorphine) The key parameter of Tmax of norbuprenorphine will be evaluated. 84 days
Secondary Assessment of PK INDV-6200 (norbuprenorphine) The key parameter of Cmax of norbuprenorphine will be evaluated. 84 days
Secondary Assessment of PK of INDV-6200 (norbuprenorphine) The key parameter of the half life of norbuprenorphine will be evaluated 84 days
Secondary Assessment of PK of INDV-6200 (norbuprenorphine) The key parameter of the cumulative area under the curve (AUC) for each PK sample will be evaluated. 84 days
Secondary Incidence of treatment emergence adverse events (TEAE) as assessed by changes in physical examination. Targeted physical examination will be performed focusing on abnormalities identified at screening and any changes. Clinically significant changes will be reported as adverse events (AE) Through day 84
Secondary Incidence of treatment emergence adverse events (TEAE) as assessed by changes in liver function tests. Laboratory data will be summarized and any clinically significant abnormality will be reported as an AE Through day 84
Secondary Incidence of treatment emergence adverse events (TEAE) as assessed by changes in systolic and diastolic blood pressure Blood pressure measurements (systolic and diastolic) will be summarized and any clinically significant abnormality will be reported as an AE Through day 84
Secondary Incidence of treatment emergence adverse events (TEAE) as assessed by changes in heart rate Heart rate will be summarized and any clinically significant changes will be reported as an AE Through day 84
Secondary Incidence of treatment emergence adverse events (TEAE) as assessed by electrocardiogram (ECG) changes ECG intervals will be measured and summarized and any clinically significant changes will be reported as an AE Through day 84
Secondary Incidence of treatment emergence adverse events (TEAE) through assessment of the injection site for incidence of erythema Injection site assessment will be performed by the investigator using a 4 point scale. Levels of erythema will be summarized using counts and percentages at each timepoint by treatment Through day 84
Secondary Incidence of treatment emergence adverse events (TEAE) through assessment of the injection site for incidence of swelling Injection site assessment will be performed by the investigator using a 4 point scale. Levels of swelling will be summarized using counts and percentages at each timepoint by treatment Through day 84
Secondary Incidence of treatment emergence adverse events (TEAE) through assessment of the injection site for incidence of pain Injection site assessment will be performed by the investigator using a 4 point scale. Levels of pain will be summarized using counts and percentages at each timepoint by treatment Through day 84
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