A Study to Assess the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of anle138b in Parkinson's Disease

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1

Total Enrollment

70 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-12-22

Study Completion Date

2022-12-22

Brief Summary

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The purpose of this study is to determine the safety, tolerability and blood levels of orally administered anle138b as well as the effect of food and early signs of efficacy in patients with mild to moderate Parkinson´s disease.

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Detailed Description

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This is a two centre, double-blind, randomised, placebo-controlled, multiple ascending dose study in patients with mild to moderate Parkinson´s disease. It is planned to enrol up to 5 cohorts. Cohorts A-C consist of up to 8 subjects. In Cohorts A and B, subjects will be randomly assigned to receive multiple ascending oral doses of anle138b or matching placebo (6 active investigational medicinal product \[IMP\], 2 placebo per cohort in cohorts A-C) for 7 days in a sequential escalating manner. Subjects in cohort A and B will be dosed once dialy and subjects in cohort C will be dosed twice a day. Subjects in Cohorts A and B will also receive an additional single oral dose of active IMP or matching placebo on Day 9 of the study for an assessment of the effect of food on the PK of anle138b in PD patients. Subjects in cohort D will be randomly assigned to receive QD doses of anle138b or matching placebo (placebo vs 150 mg vs 300 mg; 1:1:1) for 7 days in fasted state. Subjects in Cohort E will be randomly assigned to receive QD doses of either 300 mg anle138b or matching placebo (1:1) for 28 days taken in the non-fasted state.

Conditions

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Parkinson Disease

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

This study is double-blind. Treatment assignment will not be known to the subjects, the sponsor or the staff who are involved in the clinical evaluation of the subjects and the analysis of data. The randomisation schedule and disclosure envelopes will be generated by an unblinded statistician at Quotient Sciences.

Study Groups

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anle138b

150 mg and higher dosage

Group Type ACTIVE_COMPARATOR

anle138b

Intervention Type DRUG

capsule containing excipient and anle138b

Placebo

Matching placebo dosage

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

matching placebo capsule containing excipient

Interventions

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anle138b

capsule containing excipient and anle138b

Intervention Type DRUG

Placebo

matching placebo capsule containing excipient

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Males and females with a diagnosis of idiopathic PD as defined by the Movement Disorders Society criteria (either fulfilling criteria for "Clinically Established PD" or for "Clinically Probable PD").
* Body mass index (BMI) 18.5 to 35.0 kg/m2 or 18.5 to \<40.0 kg/m2 (Cohorts D and E) as measured at screening.
* Hoehn and Yahr stage I-III (able to walk unaided).
* Stable medication for PD for 1 month prior to screening at Quotient and anticipated over the study period.
* No history of dementia.
* Must be willing and able to communicate and participate in the whole study.
* Must provide written informed consent.
* Must agree to adhere to the contraception requirements defined in the study protocol.

Exclusion Criteria

* Subjects who have received any IMP in a clinical research study within the 90 days prior to Day 1.
* Subjects who are, or are immediate family members of, a study site or sponsor employee.
* Evidence of current SARS-CoV-2 infection.
* History of any drug or alcohol abuse in the past 2 years.
* Regular alcohol consumption in males \>21 units per week and females \>14 units per week (1 unit = ½ pint beer, or a 25 mL shot of 40% spirit, 1.5 to 2 units = 125 mL glass of wine, depending on type).
* A confirmed positive alcohol breath test at screening or admission.
* Current smokers and those who have smoked within the last 12 months. A confirmed breath carbon monoxide reading of greater than 10 ppm at screening or admission (Cohorts A to C only).
* Current users of e-cigarettes and nicotine replacement products and those who have used these products within the last 12 months (Cohorts A to C only).
* Females of childbearing potential including those who are pregnant or lactating (all female subjects must have a negative highly sensitive serum or urine pregnancy test). A woman is considered of childbearing potential unless she is permanently sterile (hysterectomy, bilateral salpingectomy, and bilateral oophorectomy) or is postmenopausal (had no menses for 12 months without an alternative medical cause and a serum follicle-stimulating hormone \[FSH\] concentration ≥40 IU/L).
* Male subjects with pregnant or lactating partners.
* Subjects who do not have suitable veins for multiple venepunctures/cannulation as assessed by the investigator or delegate at screening.
* Clinically significant abnormal coagulation (Cohort E only), clinical chemistry, haematology or urinalysis as judged by the investigator.
* Positive hepatitis B surface antigen (HBsAg), hepatitis C virus antibody (HCV Ab) or human immunodeficiency virus (HIV) antibody results.
* History of clinically significant cardiovascular, renal, hepatic, dermatological, chronic respiratory or gastrointestinal disease or psychiatric disorder, as judged by the investigator.
* Serious adverse reaction or serious hypersensitivity to any drug or the formulation excipients.
* Presence or history of clinically significant allergy requiring treatment, as judged by the investigator. Hay fever is allowed unless it is active.
* Donation of blood or plasma within the previous 3 months or loss of greater than 400 mL of blood.
* Subjects who are taking, or have taken, any prescribed or over-the-counter drug or herbal remedies other than their regular medication according to the referral letter from NUH, and/or up to 2 g of paracetamol per day and/or HRT, in the 14 days before IMP administration.
* Subjects who are taking, or have taken, in the 14 days before IMP administration the drug warfarin.
* Subjects who are taking, or have taken, in the 14 days before IMP administration any drug that is considered to interfere with the objectives of the study, as determined by the concomitant medication oversight committee.
* Subjects who have participated in Cohorts A to C of this study will not be allowed to participate in Cohorts D or E, and subjects who have participated in Cohort D will not be allowed to participate in Cohort E.
* Failure to satisfy the investigator of fitness to participate for any other reason.
* Subjects who have a new headache with features suggestive of raised intracranial pressure, including papilloedema, vomiting, posture-related headache, or headache on waking from sleep (Cohort E only).
* Subjects who have a new headache with focal neurological symptoms, or non-focal neurological symptoms such as change in personality or memory, or an unexplained headache that becomes progressively severe, or an unexplained headache in anyone previously diagnosed with cancer (Cohort E only).
* Medical history or evidence of mass occupying lesion in brain or spinal cord or history of spinal cord injury, which could preclude the procedure of lumbar puncture and CSF collection (Cohort E only).

Minimum Eligible Age

40 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No