Study Stopped
A planned interim analysis resulted in the recommendation that the trial be stopped. The results showed no benefit of Triumeq for people with ALS compared with placebo on survival, the primary outcome measure.
Triumeq in Amyotrophic Lateral Sclerosis
LIGHTHOUSE II
Randomised Double-Blind Placebo-Controlled Phase 3 Trial of Triumeq in Amyotrophic Lateral Sclerosis
2 other identifiers
interventional
419
8 countries
28
Brief Summary
To determine if Triumeq improves survival in Amyotrophic Lateral Sclerosis (ALS) compared with placebo
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_3
Started Feb 2022
Typical duration for phase_3
28 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
December 6, 2021
CompletedFirst Posted
Study publicly available on registry
January 18, 2022
CompletedStudy Start
First participant enrolled
February 24, 2022
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 30, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
June 30, 2025
CompletedJuly 11, 2025
July 1, 2025
3.3 years
December 6, 2021
July 8, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Measure overall survival at 24 months or after a minimum of 212 events
Overall survival is measured as death from any cause, in participants with ALS at 24 months, or after a minimum of 212 events.
24 months
Secondary Outcomes (9)
Measure scoring in the ALS-Functional Rating Scale Revised (ALSFRS-R) at 3 monthly intervals.
24 months
Number of participants with abnormal Slow Vital Capacity measured by hand spirometry at 3 monthly intervals
24 months
Measure plasma creatinine at 3 monthly intervals
24 months
Assign a value using the King's Staging Scale to describe degree of disease advancement over time
24 months
Evaluate the incidence of treatment-emergent adverse events
24 months
- +4 more secondary outcomes
Study Arms (2)
Dolutegravir/Abacavir/Lamivudine
EXPERIMENTALCombination of Dolutegravir, Abacavir and Lamivudine in a single product/capsule. 4 capsules to be taken orally once daily (all 4 at the same time, each capsule is Dolutegravir 12.5mg, Abacavir 150mg and Lamivudine 75mg). Maximum duration is 24months
Placebo
PLACEBO COMPARATOR4 capsules to be taken orally once daily (all 4 at the same time). Maximum duration is 24months
Interventions
Dolutegravir 50mg, Abacavir 600mg and Lamivudine 300mg.
Eligibility Criteria
You may qualify if:
- Age ≥ 18 years at the time of screening
- Diagnosis of ALS according to the Gold Coast Criteria
- Capable of providing informed consent and complying with trial procedures
- TRICALS risk profile \> -6.0 and \< -2.0
- Those taking Riluzole must be on a stable dose for at least 30 days prior to the baseline visit or must have stopped taking Riluzole at least 30 days prior to the baseline visit
- Women must not become pregnant (e.g., post-menopausal, surgically sterile, using highly effective birth control methods or not having potentially reproductive sex) for the duration of the study plus five days. Highly effective methods of birth control are those with a failure rate of \< 1% per year when employed consistently and correctly, e.g. Combined (oestrogen and progestogen containing) hormonal contraception or progestogen-only hormonal contraception. For more information, please refer to the HMA CTFG Guidelines: https://www.hma.eu/fileadmin/dateien/Human\_Medicines/01-About\_HMA/Working\_Groups/CTFG/2014\_09\_HMA\_CTFG\_Contraception.pdf?fbclid=IwAR3AY5Ha0ESDyqIBeUaYI9VTFWmx9bbt8NZ-80N-5ME6pkBb1UHvFsTwqlQ
- Women of childbearing potential must have a negative serum pregnancy test at screening and be non-lactating. Patients will be advised regarding appropriate contraception. A menstruation history will be taken at each visit. Women of childbearing potential are defined as females who are fertile, following menarche and until becoming post-menopausal unless permanently sterile. Permanent sterilisation methods include hysterectomy, bilateral salpingectomy and bilateral oophorectomy (https://www.hma.eu/fileadmin/dateien/Human\_Medicines/01-About\_HMA/Working\_Groups/CTFG/2014\_09\_HMA\_CTFG\_Contraception.pdf?fbclid=IwAR3AY5Ha0ESDyqIBeUaYI9VTFWmx9bbt8NZ-80N-5ME6pkBb1UHvFsTwqlQ)
- For participants taking antacids (regularly or as required), participant is willing and able to avoid taking antacids for at least 6 hours before and 2 hours after Triumeq
- Participant taking taurursodiol supplements (TUDCA) can participate in this trial if the supplement does not contain sodium phenylbutyrate.
- Participants taking taurursodiol supplements (TUDCA) that also contain sodium phenylbutyrate must be willing to stop supplementation 30 days prior randomisation.
You may not qualify if:
- People who are HLA-B\*5701 positive
- Known hypersensitivity to Dolutegravir, Abacavir or Lamivudine, or to any of the excipients
- Safety Laboratory Criteria at screening:
- ALT ≥ 5 times upper limit of normal (ULN)
- AST ≥ 3 times ULN
- Bilirubin ≥ 1.5 times ULN with clinical indicators of liver disease
- Creatinine clearance \< 30 mL / min
- Platelet concentration of \< 100 x109 per L
- Absolute neutrophil count of \< 1x109 per L
- Haemoglobin \< 100 g/L
- Amylase ≥ 2 times ULN
- Lactate ≥ 2 times ULN
- Moderate to severe hepatic impairment, as defined by local clinical guidelines
- Presence of HIV antibodies at screening
- Presence of Hepatitis C antibodies at screening unless participants have had effective treatment for Hepatitis C
- +7 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Macquarie University, Australialead
- King's College Londoncollaborator
- Stichting TRICALS Foundationcollaborator
Study Sites (28)
MQ Health Neurology
North Ryde, New South Wales, 2109, Australia
Neuroscience Research Australia (NeuRA)
Randwick, New South Wales, 2031, Australia
Sunshine Coast University Hospital
Birtinya, Queensland, 4575, Australia
Royal Brisbane and Women's Hospital
Herston, Queensland, 4029, Australia
Flinders Medical Centre
Bedford Park, South Australia, 5042, Australia
Launceston General Hospital
Launceston, Tasmania, 7250, Australia
Calvary Health Care Bethlehem
Caulfield South, Victoria, 3162, Australia
The Perron Institute
Nedlands, Western Australia, 6009, Australia
Beaumont Hospital
Dublin, D09V2N0, Ireland
UMC Utrecht
Utrecht, 3584 CX, Netherlands
Christchurch Hospital
Christchurch, 8011, New Zealand
Dunedin Hospital
Dunedin, 9054, New Zealand
Clinical Trials Unit, Tauranga Hospital
Tauranga, 3112, New Zealand
Wellington Regional Hospital
Wellington, 6021, New Zealand
Univerzitetni klinični center Ljubljana
Ljubljana, 1000, Slovenia
Hospital del Mar
Barcelona, 08003, Spain
Hospital Universitario y Politecnico la Fe
Valencia, 46026, Spain
Studiecenheten at Akademiskt specialistcentrum
Stockholm, 113 61, Sweden
University of Edinburgh, Anne Rowling Regenerative Nuerology Clinic
Edinburgh, EH16 4SB, United Kingdom
The Walton Centre
Liverpool, L9 7LJ, United Kingdom
University College London Hospital
London, NW1 2PG, United Kingdom
King's College Hospital
London, SE5 9RS, United Kingdom
St George's Hospital
London, SW17 0QT, United Kingdom
Oxford University Hospital
Oxford, OX3 9DU, United Kingdom
Plymouth University Hospital
Plymouth, PL8 8DH, United Kingdom
Royal Preston Hospital
Preston, PR2 9HT, United Kingdom
Sheffield Teaching Hospital
Sheffield, S5 7AU, United Kingdom
Royal Stoke Hotel
Stoke, ST4 6QG, United Kingdom
Related Publications (1)
Gold J, Rowe DB, Kiernan MC, Vucic S, Mathers S, van Eijk RPA, Nath A, Garcia Montojo M, Norato G, Santamaria UA, Rogers ML, Malaspina A, Lombardi V, Mehta PR, Westeneng HJ, van den Berg LH, Al-Chalabi A. Safety and tolerability of Triumeq in amyotrophic lateral sclerosis: the Lighthouse trial. Amyotroph Lateral Scler Frontotemporal Degener. 2019 Nov;20(7-8):595-604. doi: 10.1080/21678421.2019.1632899. Epub 2019 Jul 8.
PMID: 31284774BACKGROUND
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Julian Gold, MD, FFPHM
Macquarie University
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Masking Details
- Double-blind
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 6, 2021
First Posted
January 18, 2022
Study Start
February 24, 2022
Primary Completion
June 30, 2025
Study Completion
June 30, 2025
Last Updated
July 11, 2025
Record last verified: 2025-07
Data Sharing
- IPD Sharing
- Will share
- Shared Documents
- STUDY PROTOCOL
- Time Frame
- Contact the Chief Investigators for access information.
- Access Criteria
- Contact the Chief Investigators for access information.
It is anticipated participant level data will be available as open access.