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An Open-Label, Extension Study of the Effects of Leuco-methylthioninium bis(hydromethanesulfonate) in Subjects with Alzheimer's Disease or Behavioral Variant Frontotemporal Dementia

An Open-Label, Extension Study of the Effects of Leuco-methylthioninium bis(hydromethanesulfonate) in Subjects with Alzheimer's Disease or Behavioral Variant Frontotemporal Dementia - TRx-237-020

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
NL-OMON
Registry ID
NL-OMON41951
Enrollment
11
Registered
2016-04-11
Start date
2016-06-28
Completion date
Unknown
Last updated
2024-02-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Alzheimer's Disease or a rare form of dementia (Behavioral Variant Frontotemporal Dementia)

Interventions

Assessments: Baseline: Following the signing of informed consent, the following Baseline assessments are to be performed in order to confirm continued eligibility for study: • If the Baseline visit
serum pregnancy testing in women of childbearing potential is to be performed. • If the final double-blind study visit occurred more than 42 days prior, safety assessments are to be repeated, includ
- Alzheimer's Disease
- Behavioral Variant Frontotemporal Dementia
- Leuco-methylthioninium bis(hydromethanesulfonate)
- Open-Label Extension Study

Sponsors

TauRx Therapeutics Ltd
Lead Sponsor

Eligibility

Age
18 Years to 64 Years

Inclusion criteria

Inclusion criteria: 1. Subjects with a diagnosis according to NIA/AA criteria of all cause dementia and probable Alzheimer*s disease (AD) at enrollment and who completed participation in one of the following three TauRx studies (inclusive of the 4-week post-treatment follow-up visit): TRx-237-005, TRx-237-008, or TRx-237-015 (Subjects who participated in Study TRx-237-015 and did not consent to extended treatment for up to 15 months as per Protocol Version 3.0 (extended from 12 months as per the original study protocol) may be enrolled into this open-label extension study following completion of the 12-month double-blind treatment period and 4-week post-treatment follow-up visit for Study TRx-237-015.);OR ;Subjects with a diagnosis of probable bvFTD according to the International Consensus Criteria for behavioral variant frontotemporal dementia (bvFTD) at enrollment and who completed participation in TauRx study TRx-237-007 through Visit 9 (Week 52). ;Treatment will not be made available to subjects who have withdrawn from the double-blind study of prior participation prior to completion.;2. Females of child-bearing potential must continue to use adequate contraception (or, if in Italy, agree to avoid pregnancy) defined as follows: • barrier method (such as condom, diaphragm or cervical/vault cap) with spermicidal foam, gel, film, cream, or suppository; intrauterine device (IUD) or system; oral or long-acting injected or implanted hormonal contraceptives for at least 3 months prior to Baseline; or vasectomized partner (with the appropriate post-vasectomy documentation of the absence of spermatozoa in the ejaculate); or true abstinence (when this is in line with the preferred and usual lifestyle of the subject) • subjects must agree to continue to maintain adequate contraception throughout participation in the study;3. Subject and/or, in the case of reduced decision-making capacity, legally acceptable representative(s) consistent with national law and IRB/EC approval, is/are able to read, understand, and provide written informed consent in the designated language of the study site;4. Has an identified adult caregiver who meets the following criteria: • Either lives with the subject or sees the subject on average for >= 1 hour/day >= 3 days/week, and in the investigator*s opinion, the extent of contact is sufficient to provide meaningful assessment of changes in subject behavior and function over time and provide information on safety and tolerability • Is willing to provide written informed consent for his/her own participation • Is able to read, understand, and speak the designated language at the study site • Agrees to accompany the subject to each study visit • Is able to verify daily compliance with study drug;5. Able to comply with the study procedures in the view of the investigator

Exclusion criteria

Exclusion criteria: 1. History of swallowing difficulties (note: study drug should be swallowed whole and MUST NOT be broken crushed, chewed or dissolved in fluids prior to ingestion);2. Pregnant or breastfeeding;3. Clinically significant laboratory, pulse co-oximetry, electrocardiogram, or imaging abnormality (in original study) or emergent intercurrent illness that, in the judgment of the principal investigator, could result in the risk of participation outweighing the potential benefit;4. Current participation in, or intent to enroll in, a clinical trial of a drug, biologic, device, or medical food

Design outcomes

Primary

MeasureTime frame
The primary objectives of this study are to provide subjects who have completed participation in a Phase 2 or Phase 3 trial continued access to therapy and to evaluate the long-term safety and tolerability of LMTM given in flexible doses of up to 300 mg/day.

Countries

The Netherlands

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)