Puma Biotechnology Q1 2024 Earnings Call Transcript

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Provided by Quartr
May 2, 2024

There are 8 speakers on the call.

Operator

Good afternoon.

Speaker 1

My name is Camilla, and I will be your conference call operator today. At this time, all participants are in a listen only mode. After the speakers' formal remarks, there will be a question and answer As a reminder, this conference call is being recorded. I would now like to turn the conference call over to Mary Anne Ohanesen, Senior Director of IR for Puma Biotechnology. You may begin your conference.

Speaker 2

Thank you, Camilla. Good afternoon, and welcome to Puma's conference call to discuss our financial results for the Q1 of 2024. Joining me on the call today are Alan Auerbach, Chief Executive Officer, President and Chairman of the Board of Puma Biotechnology Maximo Noguez, Chief Financial Officer and Jeff Ledwick, Chief Commercial Officer. After market close today, Puma issued a news release detailing Q1 2024 financial results. That news release, the slides that Jeff will refer to and a webcast of this call are accessible via the homepage and Investors section of our website at pumabiotechnology.com.

Speaker 2

The webcast and presentation slides will be archived on our website and available for replay for the next 90 days. Today's conference call will include statements about Puma's future expectations, plans and prospects that constitute forward looking statements for purposes of federal securities laws. Such statements are subject to risks and uncertainties and actual events and results may differ from those expressed in these forward looking statements. For a full discussion of these risks and uncertainties, please review our periodic and current reports filed with the SEC from time to time, including our annual report on Form 10 ks for the year ended December 31, 2023. You are cautioned not to place undue reliance on these forward looking statements, which speak only as of the date of this slide conference call, May 2, 2024.

Speaker 2

Puma undertakes no obligation to revise update any forward looking statements to reflect events or circumstances after the date of this conference call, except as required by law. During today's call, we may refer to certain non GAAP financial measures that involve adjustments to our GAAP figures. We believe these non GAAP metrics may be useful to investors as a supplement to, but not a substitute for our GAAP financial measures. Please refer to our Q1 2024 news release for a reconciliation of our GAAP to non GAAP results. I will now turn the call over to Alan.

Speaker 3

Thank you, Mary Anne, and thank you all for joining our call today. Today, Puma reported total revenue for the Q1 of 2024 of 43,800,000 dollars Total revenue includes product revenue net, which consists entirely of NERLYNX sales as well as royalties from our sublicensees. Product revenue net was $40,300,000 in the Q1 of 2024, which was a decrease from the $53,200,000 reported in Q4 2023 and below the $46,800,000 reported in Q1 of 2023. Product revenue for the Q1 of 2024 was impacted by approximately $2,000,000 of inventory drawdown at our specialty pharmacies and specialty distributors. Royalty revenue was $3,500,000 in the Q1 of 2024 compared to $19,000,000 in Q4 of 2023 $6,000,000 in Q1 of 2023.

Speaker 3

We reported 2,410 bottles of NERLYNX sold in the Q1 of 2024, a decrease of 471 bottles from the 2,881 bottles sold in Q4 2023. In Q1 20 24, we estimate that inventory decreased by about $120 In Q1 2024, new prescriptions were up approximately 27% compared to Q4 2023 and total prescriptions were down approximately 3% compared to Q4 2023. Jeff will provide further details in his comments and slides. NERLYNX sales were negatively impacted by the decline enrollments that we mentioned previously in our 3rd and 4th quarter earnings calls. Jeff will discuss this further in his comments.

Speaker 3

We have continued to reduce our internal expenses to account for these factors as we recognize our fiscal responsibility to shareholders to continue to be net income positive for 2024. I will now provide a clinical review of the quarter, then Jeff Ludwig will address color on NERLYNX commercial activities, Maximo Nueguess will follow with highlights on the key components of our financial statement for the Q1 2024. In February, we are pleased to announce that we initiated the alicertib in cancer or ALISCA LUNG-one trial, a Phase 2 clinical trial of alicertib monotherapy for the treatment of patients with extensive stage small cell lung cancer. This trial was previously referred to as study PUMA ALI-four thousand two hundred and one. The trial will enroll up to 60 patients with extensive stage small cell lung cancer, who have progressed after first line platinum based chemotherapy and immunotherapy.

Speaker 3

Patients must provide tissue based biopsies so that biomarkers can be analyzed. Alacertib will be dosed at 50 milligrams BID on days 1 through 7 of every 21 day cycle. Puma plans to perform an interim analysis for the evaluation of the biomarkers as well as an evaluation of efficacy. As we discussed on our last earnings call, the goal of this Phase 2 study will be to confirm the efficacy of ulcerative monotherapy in patients with small cell lung cancer with biomarkers where the Aurora Kinase pathway plays a role. The goal would be to correlate the efficacy in these biomarker subgroups in the ALISCO LUNG-one study to the efficacy that was previously seen in the biomarker subgroups from the randomized trial of paclitaxel plus alacertib versus paclitaxel plus placebo that was published in the Journal of Thoracic Oncology in 2020.

Speaker 3

If the efficacy and biomarker data are comparable from the two studies, The company believes it would represent a potential accelerated approval strategy and will engage FDA to discuss this further. We currently have approximately 16 sites open for enrollment and we expect to have a total of approximately 25 sites contributing to enrollment in the study. We anticipate that we will be able to share interim data from this trial with investors in the second half of twenty twenty four. We also anticipate the initiation of Eliska Breast 1, a Phase 2 trial of alacertib in combination with endocrine treatment in patients with chemotherapy naive, HER2 negative hormone receptor positive metastatic breast cancer in Q4 2024. We additionally anticipate 2 clinical data presentations at on elacertib at the 2024 ASCO Annual Meeting in early June.

Speaker 3

Investors will remember that the Phase 2 trial referred to as TBCRC-forty one, which was a Phase 2 trial of alacertib monotherapy versus alacertib plus endocrine therapy in patients with HER2 negative hormone receptor positive and metastatic breast cancer was published in JAMA Oncology in 2023. As part of this trial, an analysis of biomarkers was performed in order to determine if the efficacy of alisertib in patients with HER2 negative hormone receptor positive metastatic breast cancer correlates with any biomarkers. The biomarker data from this trial will be presented in a poster presentation at the 2024 ASCO Annual Meeting. In addition, there is an ongoing investigator sponsored trial of alacertib given in combination with osimertinib in patients with metastatic EGFR mutant non small cell lung cancer. More specifically, patients with metastatic EGFR mutant non small cell lung cancer, are treated with osimertinib and then at the time of progression, alicertinib is added to osimertinib in order to see if alicertinib can overcome osimertinib resistance.

Speaker 3

Interim data on this trial was previously presented at ASCO prior to Puma licensing the drug. Updated data on this trial will also be presented as a poster presentation at the 2024 ASCO Annual Meeting. As we mentioned on our last earnings call, a recent biomarker analysis from this trial has demonstrated a subgroup of patients with a biomarker where the Aurora kinase pathway plays a role, where alicertib appears to have much greater efficacy when added to osimertinib at the time of progression on osimertinib. This biomarker occurs in about half of the patients in the trial, which is consistent with the published literature on this biomarker in this patient population. Based on this biomarker data, the trial has been amended to limit enrollment in the trial to only continue enrolling patients who have this biomarker.

Speaker 3

We believe that this might represent another potential indication for alacertib and we look forward to discussing this data with investors once it has been presented publicly. Of note, the biomarker data is not contained in the ASCO abstract, but will be presented in the ASCO poster. As mentioned on prior earnings calls and in response to investor questions, Puma continues to evaluate several drugs to potentially in license that would allow the company to diversify itself and leverage Puma's existing R and D, regulatory and commercial infrastructure. The company will keep investors updated on this as it progresses. I will now turn the call over to Jeff Ludwig, Puma's Chief Commercial Officer, for a review of our commercial performance during the quarter.

Speaker 4

Thanks, Alan. Appreciate it. And thanks to everyone for joining our Q1 earnings call. Before I move into the commercial review, just a reminder that I will be making forward looking statements. The commercial team remains largely focused on the extended adjuvant indication where the majority of NERLYNX sales and opportunity exists.

Speaker 4

A significant portion of early stage HER2 positive breast cancer patients are treated in a community setting, so the sales and marketing teams are focused on increasing reach and frequency to targeted customers with both personal and non personal promotion. HCP calls in the Q1 increased about 5% quarter over quarter with greater than 80% being live interactions. We continue to evaluate new data and partners to try and make our targeting and overall timing calls more efficient and effective. We are looking for opportunities to increase the awareness and education around the unmet need that exists in the early stage breast cancer setting and are trying to align with key customers to better identify patients at higher risk to reoccurrence. The commercial team is committed to becoming more efficient and effective with our resources and balancing the needs of NERLYNX with the broader goals of the organization.

Speaker 4

Let me now transition to some of the commercial slides where I will provide some additional specifics around performance. Once I have finished, I will turn the call over to Maximo for a more detailed review of our financial results. Slide 3 provides an overview of our distribution model. Now this model has not changed and remains separated into 2 distinct channels, the specialty pharmacy channel and the specialty distributor channel. We do typically see quarterly fluctuations, but the majority of our business flows through the specialty pharmacy channel.

Speaker 4

In Q1, about 74% of our business went through the specialty pharmacy channel and the remaining 26% went through the specialty distributor channel. This is essentially unchanged from what we reported during our Q4 earnings call. Turning to Slide 4, NERLYNX net revenue in Q1 of 2024 was 40 $300,000 which is a $12,900,000 decrease from the $53,200,000 we reported in Q4 of 2023 and a $6,500,000 decrease from the $46,800,000 we reported in Q1 of 2023. Inventory changes will impact these comparisons, so let me provide some additional information. In Q1 of 2024, we estimate that inventory decreased by about $2,000,000 As a comparison, we estimate that inventory increased by about $2,100,000 in Q4 of 2023 and decreased by about $3,800,000 in Q1 of 2023.

Speaker 4

Slide 5 shows Q1 of 2024 ex factory bottle sales and also provides both a year over year and a quarter over quarter comparison. In Q1 of 2024, NERLYNX X factory bottle sales were 2,410, which represents a 16% quarter over quarter decline and a 15% year over year decline. Let me again provide more specifics around inventory changes. We estimate that inventory decreased by about 120 bottles in the Q1 of 2024. As a comparison, we estimate that inventory increased by about 127 bottles in Q4 of 2023 and decreased by about 236 bottles in Q1 of 2023.

Speaker 4

Now let me share some additional metrics and insights into our Q1 performance. In Q1, we saw net we saw, excuse me, new patient starts, or NRx increase about 27% quarter over quarter and declined about 15% year over year. In terms of total prescriptions or TRx, we saw a 3% decline quarter over quarter and a 16% decline year over year. Overall demand decreased in the Q1 by about 8% quarter over quarter and about 18% year over year. As Alan mentioned, Q1 performance was negatively impacted by the decline in enrollments we discussed in our Q4 and Q3 earnings call last year.

Speaker 4

Enrollments continue to be an important leading indicator as enrollments turn into new patient starts and new patient starts turn into refills, which drive demand in subsequent quarters. As previously discussed, we saw an increased softness in enrollments in the second half of twenty twenty three, driven largely by a decline that occurred in the 1st part of Q3. Since that time, we have seen an improvement in enrollments, but not enough yet to offset the impact of bottles we are currently seeing. In Q1, enrollments did increase about 5% quarter over quarter, but were down about 12% year over year. The team is solely focused on driving both quarter over quarter and year over year growth.

Speaker 4

Turning to Slide 6, Slide 6 highlights the adoption of dose escalation since launch. We continue to believe that dose escalation is a very important metric for NERLYNX. Patients that start at a reduced dose will experience significantly lower Grade 3 diarrhea and are likely to have a lower rate of discontinuation. In Q1, approximately 67% of patients who received commercial drug started NERLYNX at a reduced dose. This is lower than the 76% that we reported in Q4 of 2023, but is higher than what we reported in Q1 of 2023 1 year ago.

Speaker 4

The feedback from customers continues to be positive and the benefits of dose escalation remain a key commercial message. Moving to Slide 7. Slide 7 highlights the strategic collaborations we have formed across the globe. In Q1, NERLYNX received regulatory approval in Syria in the extended adjuvant setting and was officially launched in Morocco also in the extended adjuvant setting. We truly appreciate all the efforts put forth by our partners and we continue to look for opportunities to make NERLYNX available to more patients around the world.

Speaker 4

I'd like to wrap up by thanking my Puma colleagues for their support and commitment. The team is passionate about making a difference in the lives of patients and their families battling cancer. We are committed to being more efficient and effective with our resources and also committed to balancing the short term and long term priorities of Puma and its shareholders. I will now turn the call over to Maximo for a review of our financial results. Maximo?

Speaker 5

Thanks, Jeff. I will begin with a brief summary of our financial results for the Q1 of 2024. Please note that I will make comparisons to Q4 20 23, which we believe is a better indication of our progress as a commercial company than year over year comparisons. For more information, I recommend that you refer to our Q1 10 Q, which we will be filed today and includes our consolidated financial statements. For the Q1 of 2024, we reported a net loss based on GAAP of $4,800,000 or $0.10 per share.

Speaker 5

This compares to net income in Q4 2023 of $12,300,000 or $0.26 per share. On a non GAAP basis, which is adjusted to remove the impact of stock based compensation expense, we reported a net loss of 2,400,000 dollars or $0.05 per share for the Q1 of 2024. Gross revenue from Nelix sales was 52,600,000 dollars in Q1 2024 and $64,900,000 in Q4 2023. As Alan mentioned, net product revenue from Nelix sales was $40,300,000 a decline from $53,200,000 reported in Q4 2023. Q1 net sales were impacted by lower enrollments in Q3 and Q4 as well as higher gross to net adjustment in Q1.

Speaker 5

Inventory drawdown by our distributors was approximately $2,000,000 in Q1 versus approximately $2,100,000 of buildup in Q4 2023. Royalty revenue totaled $3,500,000 in the Q1 of 2024 compared to $19,000,000 in Q4 2023. As expected, the lower royalties versus Q4 reflect the timing of shipments to our partner in China, as we noted last quarter. Our gross to net adjustment in Q1 2024 was about 23.4 percent compared to the 18.1% gross to net adjustment reported in Q4 2023. Higher government charge backs and higher co pay were the main drivers of the increase versus Q4 2023.

Speaker 5

Cost of sales for Q1 2024 was $10,700,000 including $2,400,000 for the amortization of intangible assets related to our neratinib license. Cost of sales for Q4 2023 was $24,300,000 dollars Going forward, we will continue to recognize amortization of milestones to the licensor of about $2,400,000 per quarter as cost of sales. For fiscal year 2024, Puma anticipates that net NERLYNX product revenue will be in the range of $183,000,000 to $190,000,000 We also anticipate that our gross to net adjustment for the full year 2024 will be between 21.5 percent 22.5 percent, higher than 2023 due to the impact of inflation reduction act and higher expected Medicaid revenues. In addition, for the fiscal year 2024, we anticipate receiving royalties from our partners around the world in the range of $30,000,000 to $33,000,000 We expect licenses license revenue in 2024 in the range of $1,000,000 to 2,000,000 dollars We also expect that net income for the full year will be in the range of $12,000,000 to 15,000,000 dollars We anticipate that for Q2 2024, NERLYNX net product revenue will be in the range of $43,000,000 to 45,000,000 dollars Also, we expect Q2 royalty revenues will be in the range of $2,500,000 to $3,000,000 and we anticipate no license revenue.

Speaker 5

We further estimate that the gross to net adjustment in Q2 2024 will be approximately 22% to 23 PUMA anticipates a Q2 net loss of between $6,000,000 $9,000,000 Due to our litigation expenses and a onetime illustrative expense, we expect higher expenses in Q2 than any other quarters in 2024. Due to these items, we are forecasting a net loss in Q2, but we anticipate that Puma will be net income positive for the remainder of 2024 as well as for the full year. SG and A expenses were $21,800,000 in the Q1 of 2024 compared to $20,200,000 for the Q4 of 2023. SG and A expenses included non cash charges for stock based compensation of $1,500,000 for Q1 2024, down from $1,800,000 in Q4 2023. Research and development expenses were $13,600,000 in the Q1 of 2024 compared to $12,900,000 in the Q4 of 2023.

Speaker 5

R and D expenses included noncash charges for stock based compensation of $800,000 in the Q1 of 2024, unchanged from the Q4 of 2023. On the expense side, Puma anticipates flat to total operating expenses in 2024 compared to 2023. More specifically, we anticipate SG and A expenses to decrease by 8% to 12% and R and D expenses to increase 17% to 20% year over year. Due to our litigation expenses, we expect G and A expenses in Q2 to be significantly higher than in future quarters. In the Q1 of 2024, Puma reported cash earn of approximately $11,200,000 This compares to cash we had approximately $107,000,000 in cash, cash equivalents and marketable securities versus about $96,000,000 at year end 20 3.

Speaker 5

Our accounts receivable balance was $24,600,000 Our accounts receivable turns range between 10 68 days, while our day sales outstandings are about 52 days. We estimate that as of March 31, 2024, our distribution network maintained approximately 4 weeks of inventory. Overall, we continue to deploy our financial resources to focus on commercialization of NERLYNX, the development of Allisertib and controlling our expenses.

Speaker 3

Thanks, Maximo. Puma senior management in cooperation with the Board of Directors continues to remain focused on NERLYNX sales trends in 2024 and beyond and recognizes its fiscal responsibility to shareholders to continue to maintain positive net income. In the Q4 of 2021, we implemented a reduction in expenses with the goal of reducing expenses in order to maximize operational cash flows. We believe that the positive net income that was seen in 2023 resulted from these expense reductions. The expense reductions that we have previously performed and continue to perform are also a major contributor to the positive net income that the company is guiding to for the full year 2024.

Speaker 3

The company remains committed to continuing to achieve this positive net income and will continue to reduce expenses if needed to achieve this. We look forward to updating investors on this in the future. There continues to remain a significant unmet need for patients battling breast cancer, lung cancer and other solid tumors. We at Puma are committed and passionate about finding more effective ways at helping these patients during their journey, and we will continue to strive to achieve that goal. This concludes today's presentation.

Speaker 3

We will now turn the floor back to the operator for Q and A. Operator?

Speaker 1

Thank you. We will now begin the question and answer Your first question comes from the line of Ed White with H. C. Wainwright. Please proceed with your question.

Speaker 6

Good afternoon. Thanks for taking my questions. So just a question on sales, a big picture strategy question actually. You've said in the past, Alan and Jeff, that sales are promotional sensitive and your SG and A is going to be expenses are going to be down for the year. I'm just wondering how you're becoming more efficient and able to target improve your promotional promotion of the drug while also cutting costs?

Speaker 4

Hey, Ed. Yes, I appreciate it. We do believe this drug is promotionally sensitive. And so we're trying to find efficiencies and effectiveness as we talked about. One of the ways that we're able to do that is we've expanded non personal promotion, which is a fairly cost effective way of trying to generate our share of voice.

Speaker 4

We're also, as I mentioned in my opening, we're evaluating a large number of partners as well to find cost effective competitive ways of expanding our reach and frequency both personal and non personal while paying attention to our costs associated with the goals of

Speaker 3

the organization. Yes. And Ed, this is Alan. We did a recent analysis looking at both the personal and non personal promotion aspects of the business and kind of which levers you contribute more to sales, etcetera. And the non personal promotion actually was quite effective in terms of its impact on enrollments and things like that.

Speaker 3

And as Jeff mentioned, it's much more cost effective as well. So I think as we increase non personal promotion, we are increasing share of voice and increasing promotional sensitivity, while also decreasing costs.

Speaker 4

And Ed, I'd add a little bit more color even around the personal promotion, which is access is being monetized in many cases in the community, but we've really worked hard to go back and evaluate those opportunities and try to make the right decisions that lend us to a much better ROI. So we're asking our field teams as leaders and owners of the business to make those trade offs and choices to allow our dollars to go much farther than they have in the past. A big

Speaker 3

part of our efficiency.

Speaker 6

Great, thanks. And just wanted to go back to the lower starting dose because you continually mentioned that by having the lower starting dose, lower side effects, there'll be a lower rate of discontinuation. Can you put any numbers around that as far as the length of time that patients are staying on drug or the number of refills that you're capturing before when you're starting on the higher dose?

Speaker 4

Ed, great question. I think there's a couple of things. One, I would say overall there's been a much better understanding of this molecule from customers now than in the past. So you can guess there's 2 ways of going about it. We believe starting low and moving up based on a control data is the right way to do that.

Speaker 4

And as we report somewhere around 70 plus or minus 5%, we see new patient starts there. As I look at persistence curves around any given month, we have about a 5% to 10% more patients on drug if they start with a lower dose. Now we monitor those cohorts on a regular basis, so there is fluctuations, but we do see lower discontinuations on any given month for those that started low and increased as opposed to those that started high. I will say that customers there are customers that do start high and they do simply reduce the dose as well and you can achieve the end the same way. But our data suggests the lower dose does add to a better persistence here.

Speaker 4

And the other part I

Speaker 3

would add to this is, there are a number of HCPs who feel that they're okay managing the side effects of the drug when they start at a high dose, so they don't need to do the low dose. So I think at this juncture, if I have to look at the roughly 70% we started a low dose versus a 30% who don't. The 30% who don't, they just have the feeling of, I can manage it. I don't need to.

Speaker 6

Okay. Thank you. And my last question is just on for the last few quarters you've mentioned potential in licensing and business development. Can you just tell us what your benchmarks are or your hurdles are for as you target potential partners or potential drugs to in license?

Speaker 3

Yes. Happy to do that, Ed. So look, we obviously have a commercial sales force that targets specifically breast cancer. And so that's kind of the focus, if you will. Obviously, anything we can add to that, that focuses on that channel, obviously makes the most sense, both from a whether it's a clinical drug or one that's a commercial asset.

Speaker 3

We're casting a wide net from that perspective. Obviously, adding in a commercial asset, if it's something that we can use our If it It's something that's more of an R and D molecule, again, something focused in the breast space makes the most sense. So it's things that tend to be targeted on that. Now obviously, in the community setting, you do tend to see, sometimes that they treat breast and also lung. So obviously, lung cancer assets make sense that from that perspective as well.

Speaker 6

Okay. Thanks, Alan, for taking my questions.

Speaker 1

Our next question comes from the line of Divya Rau with TD Cowen. Please proceed with your question.

Operator

Good afternoon. This is Divya on for Mark. I just had a quick question on the Allocertib trials, specifically on the metastatic breast cancer trial. Are you guys planning to explore a biomarker strategy there for alocertib? Or are you planning on running the Phase 2 first and then kind of doing a post talk to figure out if that's the option forward?

Operator

Thanks.

Speaker 3

Yes. Hi, Divya. Thank you for the question. We are definitely looking to implore a biomarker strategy. When we in licensed alosertib, one of the things that we made very clear was that due to the Aurora Kinase pathway, we know that there are certain biomarkers involved like the ones that we've previously shown, such as C MYC and RB1, where we know that Aurora Kinase plays a role and that's where in the small cell lung cancer trial we saw the best efficacy of the drug.

Speaker 3

We are definitely looking to do that in the breast study in the HR positive HER2 negative indication. In terms of the clinical trial, right now there's a biomarker analysis that's ongoing. We're still waiting for those results to finalize where we can get some clues from that. In the trial, what we would probably do is try to enrich for those types of biomarkers. So again, the ones I would say would be anything involved in the Aurora Kinase pathway.

Speaker 3

Admittedly, it's a very broad pathway. There's a lot of potential ones such as RB1, C MYC, etcetera. So it is likely we would enrich for those biomarkers and go after a biomarker focused indication.

Operator

That's helpful. Thank you. And then one quick question on the live interactions for Narrow Link. How would you I guess, how close do you think those live interactions are returning to the pre COVID levels? And then kind of a follow-up on the previous question.

Operator

Is that a focus for you guys in terms of increasing promotion for Narrowing? Or are you more focused on the non personal promotion?

Speaker 4

Divya, I would say great question, both. So we want to increase both personal and non personal, right. Oncology itself is a relatively restricted therapeutic area. And being a small company, it can be more restricted for us as well. So we want to see an increase in both personal and non personal.

Speaker 4

Let me give you some more color there. You asked about live versus virtual. We are about 81%, 82% live in this Q1. We've been around that 80% to 85% live versus virtual. I think that mix is going to stay relatively the same.

Speaker 4

Prior to COVID, we were much higher in the high 90s in terms of live interactions with very limited virtual. We are a smaller company, so our sales teams have large territories. So that's part of the efficiencies we like. If you can have an effective and efficient virtual call, that's one of the ways that I know Ed asked me earlier about being more efficient with travel and spend. If we can have an effective engagement, we're good increasing both the virtual calls and we're also working very hard to increase access around the live calls as well.

Speaker 3

And Divya, this is Alan. In terms of your question of pre COVID, remember that pre COVID, we really didn't have a lot of the technologies we now have and implementation of those technologies for virtual interactions. So things like Zoom or Teams and things like that, they just really weren't being used much, which is why Jeff mentioned most of our pre COVID interactions was 95%, 97% live. In terms of which one is a focus, as Jeff mentioned in his script, HCP calls, live calls in the Q1 increased 5% quarter over quarter. We're hoping for that number to continue to increase.

Speaker 3

So in no way, shape or form are we looking to decrease our live interactions or our personal promotion. Just looking at from an investment perspective, which one is more effective and more efficient.

Speaker 4

And the non personal promotion really allows us to cast a very broad net with the hope that it pulls people into some of our live interactions in a very cost effective manner.

Operator

Got it. Thank you so much.

Speaker 1

And our next question comes from the line of Gena Wang with Barclays. Please proceed with your question.

Speaker 7

Hi, this is Tony on for Gena. Just one quick one on the data for the biomarkers. What should we expect or consider to be a positive signal? And how would this kind of be used in order to further determine decisions in development?

Speaker 3

Yes. Thanks for the question, Tony. You'll remember in the small cell lung cancer trial that was published in the Journal of Thoracic Oncology, specifically in the biomarkers, which was the RB1 loss function mutation and the C MYC amplified. It was a randomized trial, so you saw a statistically significant increase in PFS and OS in those biomarkers. That's something I would consider to be positive, something where you're seeing that it differentiates from the rest of the patients.

Speaker 3

So I would say in this one, they're doing a much more vast biomarker analysis. So I would say anything that kind of rises up, if you will, in terms of either ORR or PFS, showing that you're getting better activity in patients where there is some biomarker that would suggest that Aurora Kinase is playing a role in driving that cancer. That's what we would look to see.

Speaker 1

This concludes our question and answer session. And with that, I would like to turn the conference back to Marion for closing remarks.

Speaker 2

Thank you all for joining us today. As a reminder, this call may be accessed via replay of the webcast at pumabiotechnology.com beginning later today. Have a good evening.

Speaker 1

Ladies and gentlemen, thank you for participating in today's conference call. This concludes our program. Everyone have a great day. You may now disconnect.

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Earnings Conference Call
Puma Biotechnology Q1 2024
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