Ultragenyx Reports Second Quarter 2024 Financial Results and Corporate Update

On August 1, 2024 Ultragenyx Pharmaceutical Inc. (NASDAQ: RARE), a biopharmaceutical company focused on the development and commercialization of novel therapies for serious rare and ultrarare genetic diseases, reported its financial results for the quarter ended June 30, 2024 (Press release, Ultragenyx Pharmaceutical, AUG 1, 2024, View Source [SID1234645273]).

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"Our strong financial performance in the second quarter was driven by growing revenue across our commercial therapies from increasing global demand, leading us to raise our total revenue guidance for this year," said Emil D. Kakkis, M.D., Ph.D., chief executive officer and president of Ultragenyx. "In the quarter, we also reported positive data from our Phase 1/2 study in Angelman syndrome, our Phase 2/3 study in osteogenesis imperfecta, and our Phase 3 study in GSDIa. We are in an excellent position to achieve additional key milestones in the second half of the year including initiating our Phase 3 Angelman study and filing for accelerated approval for UX111 in Sanfilippo syndrome type A."

Second Quarter 2024 Selected Financial Data Tables and Financial Results

Revenues (dollars in thousands), (unaudited)
Three Months Ended June 30, Six Months Ended June 30,
2024 2023 2024 2023
Crysvita
Product sales $ 40,449 $ 16,884 $ 76,690 $ 38,118
Revenue in Profit-Share Territory 67,045 61,314 107,447 111,220
Royalty revenue in European Territory 6,176 4,816 12,118 9,698
Total Crysvita Revenue 113,670 83,014 196,255 159,036
Dojolvi 19,355 16,491 35,717 30,794
Mepsevii 6,145 8,439 12,756 16,919
Evkeeza 7,856 365 11,131 577
Daiichi Sankyo — — — 1,479
Total revenues $ 147,026 $ 108,309 $ 255,859 $ 208,805

Total Revenues
Ultragenyx reported $147 million in total revenue for the second quarter of 2024, which represents 36% growth compared to the same period in 2023. Second quarter 2024 Crysvita revenue was $114 million, which represents 37% growth compared to the same period in 2023. This includes product sales of $40 million from Latin America and Turkey, which represents 140% growth compared to the same period in 2023. Dojolvi revenue in the second quarter 2024 was $19 million, which represents 17% growth compared to the same period in 2023. Evkeeza revenue in the second quarter 2024 was $8 million, as demand continues to build in the company’s territories outside of the United States.

Selected Financial Data (dollars in thousands, except per share amounts), (unaudited)
Three Months Ended June 30, Six Months Ended June 30,
2024 2023 2024 2023
Total revenues $ 147,026 $ 108,309 $ 255,859 $ 208,805
Operating expenses:
Cost of sales 21,280 9,914 38,813 22,171
Research and development 161,503 164,949 339,990 330,647
Selling, general and administrative 80,604 81,403 158,764 158,049
Total operating expenses 263,387 256,266 537,567 510,867
Net loss $ (131,598 ) $ (159,828 ) $ (302,282 ) $ (323,800 )
Net loss per share, basic and diluted $ (1.52 ) $ (2.25 ) $ (3.54 ) $ (4.58 )

Operating Expenses
Total operating expenses for the second quarter of 2024 were $263 million, including non-cash stock-based compensation of $39 million. In 2024, annual operating expenses are expected to be stable or to decrease as the company continues to manage its costs and focus its investment on advancing multiple Phase 3 programs and executing on commercial product launches.

Net Loss
For the second quarter of 2024, Ultragenyx reported net loss of $132 million, or $1.52 per share basic and diluted, compared with a net loss for the second quarter of 2023 of $160 million, or $2.25 per share basic and diluted.

Net Cash Used in Operations and Cash Balance
For the three months ended June 30, 2024, net cash used in operations was $77 million and for the six months ended June 30, 2024 it was $268 million. Cash, cash equivalents, and marketable debt securities were $874 million as of June 30, 2024, which includes $381 million of net proceeds from issuance of common stock and pre-funded warrants in connection with an underwritten public offering in June 2024.

2024 Full Year Financial Guidance

Total revenue guidance increased to be in the range of $530 million to $550 million (previously $500 million to $530 million)
Crysvita revenue expected to be towards the upper end of the range of $375 million to $400 million. This includes all regions where Ultragenyx will recognize revenue: product sales in Latin America and Turkey, royalties in Europe, which have been ongoing, and royalties in North America, which began in April 2023.
Dojolvi revenue in the range of $75 million to $80 million
Net Cash Used in Operations less than $400 million
Recent Updates and Clinical Milestones

UX143 (setrusumab) monoclonal antibody for Osteogenesis Imperfecta (OI): 14-month data resulted in a large, sustained 67% reduction in annualized fracture rate and persistent median annualized fracture rate of 0.00 (p=0.0014)
Positive 14-month results from the Phase 2 portion of the ongoing Phase 2/3 Orbit study demonstrated that, as of the May 24, 2024 data cut-off date, treatment with setrusumab continued to significantly reduce incidence of fractures in patients with OI. Treatment with setrusumab also resulted in ongoing and meaningful improvements in lumbar spine bone mineral density (BMD) at month 12 without evidence of plateau.

The median annualized rate of radiologically confirmed fractures across all 24 patients in the 2 years prior to treatment was 0.72. Following a mean treatment duration period of 16 months, the median annualized fracture rate was reduced 67% to 0.00 (p=0.0014; n=24). The reduction in annualized fracture rates was associated with continued, clinically meaningful increases in BMD. Treatment with setrusumab at 12-month demonstrated a mean increase in lumbar spine BMD from baseline of 22% (p<0.0001, n=19) and an improvement of mean baseline lumbar spine BMD Z-score from -1.73 to -0.49 at 12 months. The improvements in BMD and Z-scores were significant and consistent across all OI sub-types studied.

As of the data cut-off, there were no treatment-related serious adverse events observed in the study and there were no reported hypersensitivity reactions related to setrusumab.

More detailed 14-month data will be presented at a future scientific meeting.

GTX-102 antisense oligonucleotide for Angelman syndrome: Successful End-of-Phase 2 (EOP2) meeting with Food and Drug Administration (FDA); on track to initiate Phase 3 by the end of the year
In July 2024, Ultragenyx completed a successful EOP2 meeting with the FDA supporting the pivotal Phase 3 Aspire study design, which will be a global, randomized, double-blind, sham-controlled trial and will include a 48-week primary efficacy analysis period enrolling approximately 120 patients with Angelman syndrome with a genetically confirmed diagnosis of full maternal UBE3A gene deletion. The primary endpoint will be improvement in cognition assessed by Bayley-4 cognitive raw score. The key secondary endpoint will be the Multi-domain Responder Index (MDRI) across all five domains of cognition, receptive communication, behavior, gross motor function, and sleep. Individual secondary endpoints were also discussed and aligned on with the FDA for the domains of communication, behavior, motor function and sleep. Additionally, the company plans to initiate Aurora, an open-label clinical study, to evaluate the safety and efficacy of GTX-102 for the treatment of patients with other Angelman syndrome genotypes and in other age groups.

The company has also participated in a PRIME meeting with the European Medicines Agency, receiving acceptance of the overall Phase 3 study design, dosing and evaluations and has met with Japan’s Pharmaceuticals and Medical Devices Agency to inform and discuss its Phase 3 study design.

The company expects the pivotal Phase 3 Aspire study to start by the end of 2024 and the Aurora study to start in 2025.

UX701 AAV gene therapy for Wilson disease: Last patient in Cohort 3 dosed; expect interim Stage 1 data in the second half of 2024
All patients in the three dose-escalation cohorts of Stage 1 have been dosed. During Stage 1, the safety and efficacy of UX701 will be evaluated and a dose will be selected for further evaluation in Stage 2, which is the pivotal, randomized, placebo-controlled stage of the study. Data from Stage 1 are expected in the second half of 2024, which will be followed by dose selection and initiation of Stage 2.

UX111 AAV gene therapy for Sanfilippo syndrome type A (MPS IIIA): Agreement reached with FDA that cerebral spinal fluid (CSF) heparan sulfate (HS) can be used as a reasonable surrogate endpoint for accelerated approval
In June 2024, Ultragenyx announced a successful meeting with the FDA during which the company reached agreement with the FDA that CSF HS is a reasonable surrogate endpoint that could support submission of a biologics license application, or BLA, seeking accelerated approval for UX111. As discussed with the FDA, the BLA filing will be based on the available data including from the ongoing pivotal Transpher A study evaluating the safety and efficacy of UX111 in children with MPS IIIA. The details of a BLA will be finalized with the FDA in a pre-BLA meeting that is expected to happen in the second half of 2024, with the intent to file the application late this year or early next year.

DTX401 AAV gene therapy for Glycogen Storage Disease Type Ia (GSDIa): Positive top-line results from Phase 3 Study resulted in a statistically significant reduction in daily cornstarch intake at Week 48 (p<0.0001) with maintenance of glucose control

In May 2024, Ultragenyx announced positive topline results from the Phase 3 GlucoGene study for the treatment of patients aged eight years and older. The study achieved its primary endpoint, demonstrating that treatment with DTX401 resulted in a statistically significant and clinically meaningful reduction in daily cornstarch intake compared with placebo at Week 48. The mean percent reduction was 41.3% in the DTX401 group (n=20) compared with 10.3% in the placebo group (n=24) at Week 48 (p<0.0001). Across patients treated with DTX401, the mean reduction in cornstarch continued to decline over the 48-week period. In the treatment group, all patients achieved a reduction in cornstarch, with 68% achieving ≥30% reduction and 37% achieving ≥50% reduction compared to the placebo group, which achieved the same reductions in 13% and 4% of patients, respectively, at Week 48. The study also successfully met key secondary endpoints of reduction in the number of cornstarch doses per day and maintenance of glucose control at Week 48.

Full 48 Week data from the Phase 3 study will be presented at a scientific conference later this year. These results will be discussed with regulatory authorities to support a marketing application in 2025.

DTX301 AAV gene therapy for Ornithine Transcarbamylase (OTC) Deficiency: Phase 3 study dosing patients; expect enrollment to be completed in the second half of 2024
Ultragenyx is randomizing and dosing patients in the ongoing Phase 3 study. The pivotal, 64-week study will include approximately 50 patients, randomized 1:1 to DTX301 or placebo. The primary endpoints are response as measured by removal of ammonia-scavenger medications and protein-restricted diet and change in 24-hour ammonia levels. Enrollment is currently expected to be completed in the second half of 2024.

Conference Call and Webcast Information

Ultragenyx will host a conference call today, Thursday, August 1, 2024, at 2 p.m. PT/5 p.m. ET to discuss the second quarter 2024 financial results and provide a corporate update. The live and replayed webcast of the call will be available through the company’s website at View Source The replay of the call will be available for one year.