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CytoDyn’s CRO in Brazil Met with ANVISA to Modify CD16 Trial for Critically Ill COVID-19 Patients to Expedite Interim Analysis After 51 Patients, Potentially in 1Q2022
Rhea-AI Impact
(Moderate)
Rhea-AI Sentiment
(Neutral)
Tags
covid-19
Rhea-AI Summary
CytoDyn Inc. has announced that its Clinical Research Organization (CRO) in Brazil received approval from the Brazilian Health Regulatory Agency (ANVISA) to modify the CD16 trial for critically ill COVID-19 patients. The modification reduces total enrollment from 330 to 126 patients, with an interim analysis after 51 patients complete follow-up. The trial employs four doses of 700 mg of leronlimab via IV infusion. Previous results showed an 82% survival benefit after two doses, and the company aims to leverage this for improved outcomes.
Positive
Received regulatory approval to modify CD16 trial, potentially optimizing patient outcomes.
Interim analysis planned with 51 enrolled patients, indicating progress in trial execution.
Negative
Previous trials (CD12) did not meet primary or secondary endpoints, raising concerns about efficacy.
Reduction in total enrollment from 330 to 126 could limit statistical power of trial conclusions.
DSMB to meet after 15 patients to evaluate safety of Leronlimab
VANCOUVER, Wash.--(BUSINESS WIRE)--
CytoDyn Inc. (OTCQB: CYDY) (“CytoDyn” or the “Company”), a late-stage biotechnology company developing leronlimab, a CCR5 antagonist with the potential for multiple therapeutic indications, today announced that its CRO in Brazil (Academic Research Organization (ARO) Albert Einstein Israelite Hospital (AEIH)) met with the Brazilian Health Regulatory Agency (ANVISA) and received its agreement to modify the CD16 trial for critically ill COVID-19 patients. ANVISA has authorized CytoDyn to submit the requested changes. CytoDyn will submit the revised protocol for CD16 providing for a reduction in total enrollment from 330 to 126 patients, with interim efficacy analysis by DSMB after 40% of patients (51 patients) are enrolled and have completed follow-up to Day 28.
In this trial, patients will be randomized in a 1:1 ratio to receive up to four weekly doses of 700 mg of leronlimab or placebo via IV infusion. By comparison, in the previous CD12 trial (a phase 3 trial for COVID-19 severe-to-critical ill patients) in the USA, patients received only two weekly doses of 700 mg of leronlimab via sub-cutaneous injections.
The subgroup analyses of 62 critically ill patients in the CD12 trial showed an 82% survival benefit at Day 14 after two doses of leronlimab on Day 0 and Day 7 (Odds Ratio 0.09 (CI 0.01, 0.72), p-value 0.0233) vs. standard-of-care plus placebo. The survival benefit fell from 82% after 2 more weeks to 30% after four weeks. The survival rate on Day 28 could be much better with four 700mg, IV doses of leronlimab administered on Day 0, 7, 14, and 21.
Nader Pourhassan, Ph.D., CytoDyn’s President and Chief Executive Officer, commented, “We are optimistic that our CRO in Brazil will be able to enroll 51 patients and conduct an interim analysis of the results in 1Q2022, with the potential for meeting the primary endpoint at the time of interim analysis. The primary endpoint in this study was based on the valuable information we had generated from the past CD12 trial. The p-value for length of hospital stay for the critically ill patients who were on invasive mechanical ventilator or ECMO was 0.005. The primary endpoint of the CD16 trial in Brazil is Time to Recovery, which is similar to this endpoint. Due to this past result from CD12 which was obtained with two sub-cutaneous doses of leronlimab, we believe four doses via IV will give us an excellent chance of success.”
About CytoDyn
CytoDyn is a late-stage biotechnology company developing innovative treatments for multiple therapeutic indications using leronlimab, a novel humanized monoclonal antibody targeting the CCR5 receptor. CCR5 plays a critical role in the ability of HIV to enter and infect healthy T-cells and appears to be implicated in tumor metastasis and immune-mediated illnesses, such as NASH.
CytoDyn successfully completed a Phase 3 pivotal trial using leronlimab combined with standard antiretroviral therapies in HIV-infected patients who were heavily treatment-experienced individuals with limited treatment options. CytoDyn is working diligently to resubmit its BLA for this HIV combination therapy since receiving a Refusal to File in July 2020. In July 2021, CytoDyn announced that it had submitted a dose justification report to the FDA, an integral step in the resubmission process for its BLA, which it expects to complete by the end of the first quarter of calendar 2022. CytoDyn also has resubmitted two sections of the BLA (the non-clinical and CMC). Moreover, CytoDyn completed a Phase 2b/3 investigative trial with leronlimab used as a once-weekly monotherapy for HIV-infected patients. CytoDyn plans to initiate a registration-directed study of leronlimab monotherapy indication. If successful, it could support a label expansion approval. Clinical results to date from two trials have shown that leronlimab can maintain a suppressed viral load in a sub-population of R5 HIV patients who chose to switch from their daily pills regimen to once-a-week subcutaneous dose of leronlimab. Several patients on leronlimab’s Phase 2b extension arm have remained virally suppressed for almost 7 years and many patients in our Phase 2b/3 investigative trial are passing two and some four years of monotherapy with suppressed viral load.
CytoDyn recently completed a Phase 2 clinical trial with leronlimab in mTNBC and a Phase 2 basket trial in solid tumor cancers (22 different cancer indications) A Phase 2 investigative trial for post-acute sequelae of SARS COV-2, also known as COVID-19 long-hauler’s, and a Phase 2 clinical trial for NASH are continuing. CytoDyn has already completed a Phase 2 and Phase 3 trial for mild-to-moderate and severe-to-critical COVID-19 patients, respectively, for which CytoDyn did not meet its primary or secondary endpoints, except for the secondary endpoint in the critically ill subpopulation. More information is at www.cytodyn.com.
Forward-Looking Statements
This press release contains certain forward-looking statements that involve risks, uncertainties and assumptions that are difficult to predict. Words and expressions reflecting optimism, satisfaction or disappointment with current prospects, as well as words such as “believes,” “hopes,” “intends,” “estimates,” “expects,” “projects,” “plans,” “anticipates” and variations thereof, or the use of future tense, identify forward-looking statements, but their absence does not mean that a statement is not forward-looking. Forward-looking statements specifically include statements about leronlimab, its ability to provide positive health outcomes, the possible results of clinical trials, studies or other programs or ability to continue those programs, the ability to obtain regulatory approval for commercial sales, and the market for actual commercial sales. The Company’s forward-looking statements are not guarantees of performance, and actual results could vary materially from those contained in or expressed by such statements due to risks and uncertainties including: (i) the regulatory determinations of leronlimab’s efficacy to treat human immunodeficiency virus (“HIV”) patients with multiple resistance to current standard of care, COVID-19 patients, and metastatic Triple-Negative Breast Cancer (“mTNBC”), among other indications, by the U.S. Food and Drug Administration and various drug regulatory agencies in other countries; (ii) the Company’s ability to raise additional capital to fund its operations; (iii) the Company’s ability to meet its debt obligations; (iv) the Company’s ability to enter into partnership or licensing arrangements with third-parties; (v) the Company’s ability to identify patients to enroll in its clinical trials in a timely fashion; (vi) the Company’s ability to achieve approval of a marketable product; (vii) the design, implementation and conduct of the Company’s clinical trials; (viii) the results of the Company’s clinical trials, including the possibility of unfavorable clinical trial results; (ix) the market for, and marketability of, any product that is approved; (x) the existence or development of vaccines, drugs, or other treatments that are viewed by medical professionals or patients as superior to the Company’s products; (xi) regulatory initiatives, compliance with governmental regulations and the regulatory approval process; (xii) legal proceedings, investigations or inquiries affecting the Company or its products; (xiii) general economic and business conditions; (xiv) changes in foreign, political, and social conditions; (xv) stockholder actions or proposals with regard to the Company, its management, or its board of directors; and (xvi) various other matters, many of which are beyond the Company’s control. The Company urges investors to consider specifically the various risk factors identified in its most recent Form 10-K, and any risk factors or cautionary statements included in any subsequent Form 10-Q or Form 8-K, filed with the Securities and Exchange Commission. Except as required by law, the Company does not undertake any responsibility to update any forward-looking statements to take into account events or circumstances that occur after the date of this press release.
What recent approval did CytoDyn (CYDY) receive for its CD16 trial?
CytoDyn received approval from ANVISA to modify the CD16 trial, reducing total enrollment and allowing for an interim analysis.
What is leronlimab and its significance in the CD16 trial by CytoDyn (CYDY)?
Leronlimab is a CCR5 antagonist being tested in the CD16 trial for critically ill COVID-19 patients, with potential benefits shown in previous trials.
What were the outcomes of the previous CD12 trial relevant to CytoDyn (CYDY)?
In the CD12 trial, an 82% survival benefit was observed after two doses of leronlimab, but the trial did not meet primary or secondary endpoints overall.
When is the interim analysis for the CD16 trial expected to take place for CytoDyn (CYDY)?
The interim analysis for the CD16 trial is expected to occur after 51 patients have been enrolled and completed their follow-up.
What challenges does CytoDyn (CYDY) face regarding clinical trial results?
CytoDyn faces challenges from previous trials not meeting endpoints and regulatory hurdles for product approvals.
