Clinical trial

AGILE: Seamless Phase I/IIa Platform for the Rapid Evaluation of Candidates for COVID-19 Treatment

Name
UoL001542
Description
The AGILE platform master protocol allows incorporation of a range of identified and yet-to-be-identified candidates as potential treatments for adults with COVID-19 into the trial. Candidates will be added into the trial via candidate-specific trial (CST) protocols of this master protocol as appendices. Having one master protocol ensures different candidates are evaluated in the same consistent manor and opening up new trials for new candidates is more efficient. Inclusion of new candidates will be determined by the AGILE Scientific Advisory Board based on pre-clinical data, evidence in the clinical setting and GMP capabilities.
Trial arms
Trial start
2020-07-03
Estimated PCD
2023-12-18
Trial end
2024-04-30
Status
Active (not recruiting)
Phase
Early phase I
Treatment
CST-2: EIDD-2801
CST-2 Phase Ib: EIDD-2801 will be administered orally, twice daily (BID) for 10 doses (5 or 6 days). The starting dose will be established based on safety and pharmacokinetics from the EIDD-2801-1001-US/UK study, and dose escalations may occur as described in this CST. Phase II: As per Phase Ib, with the dose determined by the recommended phase II dose.
Arms:
CST-2 EIDD-2801 Phase II, CST-2 EIDD-2801 Phase Ib
Other names:
MK-4482, Molnupiravir
CST-2: Placebo
CST-2 Phase II: Placebo will be administered orally, twice daily (BID) for 10 doses (5 or 6 days).
Arms:
CST-2 Placebo
Other names:
Placebo
Nitazoxanide
CST3A \& CST3B Phase I: Nitazoxanide will be administered orally, initially twice daily (BID) for 14 doses (7 days). The starting dose will be 1500mg BID based on existing dose information, but dose adaptations may occur. Phase II: As per Phase Ib, with the dose determined by the recommended phase II dose.
Arms:
CST-3A Nitazoxanide, CST3B Nitazoxanide
VIR-7832
CST-5: Phase I, Single doses of VIR-7832 will be administered by intravenous (IV) infusion over 1 hour. The starting dose will be 50 mg, and dose escalations of 150 and 500 mg are anticipated, with escalation guided by emerging safety data and decision by the SRC. Phase II: As per Phase I, with the dose determined by the recommended phase II dose.
Arms:
CST-5 VIR-7832, CST-5 VIR-7832 Phase I
VIR-7831
CST-5 Phase II: A 500 mg dose of VIR-7831 will also be given by IV infusion over 1 hour.
Arms:
CST-5 VIR-7831 Phase II
Other names:
Sotrovimab
CST-5: Placebo
CST-5 Phase 1, Phase II: Placebo given by intravenous infusion over 1 hour
Arms:
CST-5 Placebo Phase I, CST-5 Placebo Phase II
Other names:
Placebo
Favipiravir
CST-6: Multiple doses of IV Favipiravir will be administered by intravenous (IV) infusion over 1 hour. Dosing regimen will be every 12 hours for 7 days duration. The starting dose will be 600mg (BID), and dose escalations to 1200mg (BID), 1800mg (BID) and 2400mg (BID) are anticipated as well as a de-escalation dose of 300mg (BID) if necessary, with de-escalation and escalation guided by emerging safety data and decision by the Safety Review Committee (SRC).
Arms:
CST6 IV Favipiravir
Molnupiravir
Molnupiravir 800mg Twice a day (BD) for 5 days as starting dose, with a de-escalation protocol reducing in increments of molnupiravir to 600mg BD, then 400mg BD if required.
Arms:
CST-8 Phase I Molnupiravir + Paxlovid®
Other names:
Lagevrio
Paxlovid
Paxlovid® (300mg nirmatrelvir + ritonavir 100mg) twice a day (BD) for 5 days. The dose of Paxlovid® will be fixed for all cohorts.
Arms:
CST-8 Phase I Molnupiravir + Paxlovid®
Other names:
nirmatrelvir and ritonavir
Size
600
Primary endpoint
Master Protocol: Dose-finding/Phase I
29 days from randomisation
Master Protocol: Efficacy evaluation/Phase II - Severe patients (Group A)
29 days from randomisation
Master Protocol: Efficacy evaluation/Phase II - Mild to moderate patients (Group B)
15 days from randomisation
CST-2 Phase I: To determine the safety and tolerability of multiple ascending doses of EIDD-2801 to recommend dose for phase II.
7 days from randomisation
CST-2 Phase II: To determine the ability of EIDD-2801 to reduce serious complications of COVID-19 including hospitalization, reduction in SAO2<92%, or death.
29 days from randomisation
CST6 Phase I: To determine the safety and tolerability of multiple doses of IV Favipiravir in patients with COVID-19
29 days from randomisation
CST6 Phase I: To determine the maximum safe dose of IV Favipiravir for efficacy evaluation in phase II
8 days from randomisation
CST-8 Phase I: Dose Limiting Toxicities up to and including Day 11
11 days from randomisation
Eligibility criteria
Master Protocol Inclusion Criteria: 1. Adults (≥18 years) with laboratory-confirmed\* SARS-CoV-2 infection (PCR) 2. Ability to provide informed consent signed by study patient or legally acceptable representative 3. Women of childbearing potential (WOCBP) and male patients who are sexually active with WOCBP must agree to use a highly effective method of contraception (as outlined in the protocol) from the first administration of trial treatment, throughout trial treatment and for the duration outlined in the candidate-specific trial protocol after the last dose of trial treatment * If any CSTs are included in the community setting, the CST protocol will clarify whether patients with suspected SARS-CoV-2 infection are also eligible. Standard additional criteria that may be applied per CST protocol: Group A (severe disease) 4a. Patients with clinical status of Grades 4 (hospitalised, oxygen by mask or nasal prongs), 5 (hospitalised, on non-invasive ventilation, or high flow oxygen), 6 (hospitalised, intubation and mechanical ventilation) or 7 (ventilation and additional organ support - pressors, renal replacement therapy (RRT), extracorporeal membrane oxygenation (ECMO)), as defined by the WHO clinical severity score, 9-point ordinal scale. Group B (mild-moderate disease) 4b. Ambulant or hospitalised patients with the following characteristics peripheral capillary oxygen saturation (SpO2) \>94% RA N.B. The CST protocol inclusion criteria will take precedence over the master protocol inclusion criteria. CST-2 Inclusion Criteria: For the purpose of the EIDD-2801 candidate-specific trial the following inclusion criteria have been amended from the Master protocol to: 1. Male or female ≥ 60 years old or ≥50 years old with at least one well controlled comorbidity: cardiovascular disease, chronic lung disease (e.g. COPD, or pulmonary hypertension), immune deficiency (taking the equivalent of 20 mg prednisone daily, chemotherapy, or immune modulating biologic therapies), diabetes (treated with insulin or oral medications), BMI≥30, or hypertension requiring medication with laboratory confirmed SARS-CoV-2 infection (PCR) . 3. Women of childbearing potential (WOCBP) and male patients who are sexually active with WOCBP must agree to use two effective methods of contraception, one of which should be highly effective (as outlined in the protocol). For women, from the first administration of trial treatment, throughout trial and up to 50 days after the last follow up visit (50 days after day 29) and for men with female partners of child bearing potential, from the first administration until 100 days after last follow up visit (100 days after day 29). 4. Group B (mild-moderate disease): Ambulant with the following characteristics peripheral capillary oxygen saturation (SpO2) \>94% RA (NB this differs to the Master Protocol which also includes hospitalised patients in this group). Additional criteria specific to this candidate are: 5. Has signs or symptoms of COVID-19 that began within 5 days of the planned first dose of study drug. 6. Is in generally good health (except for current respiratory infection) and is free of uncontrolled chronic conditions. 7. Is willing and able to comply with all study procedures and attending clinic visits through the 4th week. 8. Has someone, aged ≥ 16 living in the same household during the dosing period. CST-6 Additional inclusion criteria: 1. Group A (severe disease). Patients with clinical status of Grades 5 (hospitalised, oxygen by mask or nasal prongs), 6 (hospitalised, on non-invasive ventilation, or high flow oxygen as defined by the WHO Clinical Progression Scale (WHO, 2020)). 2. Less than or equal to 14 days from onset of COVID-19 symptoms CST-8 Inclusion Criteria: 1. For the purpose of CST-8, criteria 1 has been amended from the Master Protocol to: Adults (≥18 years) outpatients positive lateral flow test at screening or baseline Day 1, who are within 5 days of symptom onset prior to the planned first dose of study drug. 2. Criteria 3 has been amended from the Master Protocol to: Women of childbearing potential (WOCBP) and male participants who are sexually active with WOCBP must agree to use a highly effective method of contraception (as outlined in section 5.5 of the Master Protocol) for the duration of the treatment and for six weeks following the last dose. Additional criteria specific to CST-8 are: * Initial onset of COVID-19 signs/symptoms within 5 days prior to the day of randomisation and at least 1 of the current specified COVID-19 signs/symptoms (listed on the NHS website) present on the day of randomisation * Is willing and able to comply with all study procedures and attending clinic visits Master Protocol Exclusion Criteria: 1. Alanine aminotransferase (ALT) and/or aspartate aminotransferase (AST) \>5 times the upper limit of normal (ULN) 2. Stage 4 severe chronic kidney disease or requiring dialysis (i.e., estimated glomerular filtration rate \<30 mL/min/1.73 m\^2) 3. Pregnant or breast feeding 4. Anticipated transfer to another hospital which is not a study site within 72 hours 5. Allergy to any study medication 6. Patients taking other prohibited drugs (as outline in CST protocol) within 30 days or 5 times the half-life (whichever is longer) of enrolment 7. Patients participating in another CTIMP trial N.B. The CST protocol exclusion criteria will take precedence over the master protocol exclusion criteria. CST-2 Exclusion Criteria: Additional criteria specific to this candidate are: 8. Has a febrile respiratory illness that includes signs of pneumonia, or requires hospitalization, oxygenation, mechanical ventilation, or other supportive modalities. 9. Has a platelet count less than 50x10\^9/L, or lymphocytes less than 0.2x10\^9/L, haemoglobin less than 10 g/dL, or has a disorder of the hematologic system including anaemic disorder or other blood dyscrasia, cancer of the hematologic system, history of bone marrow transplant, or other significant hematologic disease at screening. 10. Is experiencing adverse events or laboratory abnormalities that are Grade 3 or above based on the CTCAE scale. 11. Has clinically significant liver dysfunction or renal impairment. 12. Has history of Hepatitis C infection or concurrent bacterial pneumonia. 13. Has received an experimental agent (vaccine, drug, biologic, device, blood product, or medication) within 30 days prior to the first dose of study drug. 14. In the opinion of the investigator, has significant end-organ disease as a result of relevant comorbidities: chronic kidney disease, congestive heart failure, peripheral vascular disease including diabetic ulcers. 15. Has a SaO2\<95% by oximetry or has lung disease that requires supplemental oxygen. 16. Has any condition that would, in the opinion of the investigator, put the patient at increased risk for participation in a clinical study. CST-8 Exclusion Criteria: For the purpose of the combination CST8 candidate-specific trial the following exclusion criteria also apply: 1. Swallowing difficulties 2. Known medical history of active liver disease 3. Receiving dialysis or have known moderate to severe renal impairments (defined as CKD stage 4 or 5 or current acute kidney injury or most recent eGFR in the past 6 months \<30 ml/min/1.73m2) 4. Currently taking Paxlovid® or molnupiravir at time of screening 5. Oxygen saturation of \<92% on room air, or on their standard home oxygen supplementation 6. Taking a drug which would put subject at unacceptable risk due to interaction or is contraindicated as per SPC for each IMP
Protocol
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Updated at
2023-11-28

1 organization

3 products

1 indication

Indication
COVID-19
Product
CST-2