Ron Bruehlman
Executive Vice President and Chief Financial Officer at IQVIA
Thanks, Ari and good morning everyone. Let's start by reviewing revenue -- third-quarter revenue of $3,736 million grew 4.9% on a reported basis and 4.1% on constant currency. In the quarter, COVID-rebated revenues were about $95 million, down about $125 million versus the third-quarter of 2022. Excluding all COVID-rebated work from both this year and last, constant-currency growth was approximately 0.5%, as Ari mentioned acquisitions contributed about 150 basis-points of this growth. Technology and analytics solutions revenue was $1,431 million that's up 2.2% on a reported basis and 0.9% at constant currency, excluding all COVID related work, constant-currency growth in TAS was 5%. R&D Solutions revenue of $2,122 million, was up 7.2% reported and 6.4% constant currency, excluding all COVID-related work constant currency growth in R&DS was at 11%. Lastly, Contract Sales and Medical Solutions or CSMS revenue of $183 million was flat on a reported basis and up 0.9% at constant currency. Year-to-date revenue of $11,116 million grew 4.2% on a reported basis and 4.8% at constant currency, excluding all COVID related work constant currency growth was 11% year-to-date. Technology and Analytics Solutions revenue year-to-date was $4,331 million, up 2% reported in 2.4% at constant currency and excluding all COVID-related work growth at constant currency in past year-to-date with 7%. R&D Solutions year-to-date revenue of $6,244 million was up 6.5% at actual FX rates and 6.8% at constant currency, excluding all COVID-related work growth at constant currency in R&DS was 14% year-to-date. And finally Contract Sales and Medical Solutions year-to-date, revenue of $541 million declined 3.6% reported and increased 1.2% at constant-currency.
Lets move down the P&L. Adjusted EBITDA in the quarter was $888 million, representing growth of 9.1%, while year-to-date adjusted EBITDA was $2,603 million, up 7.3% year-over-year. Third-quarter GAAP net income was $303 million and GAAP-diluted earnings per share was $1.63. Year-to-date GAAP net income was $889 billion or $4.76 of earnings per diluted share. Adjusted net income was $462 million for the third-quarter and adjusted diluted earnings per share was $2.49. Year-to-date adjusted net income was $1,378 million or $7.37 per diluted share.
Excluding the Year-over-Year, impact of the stepup in interest rates and the increase in the UK corporate tax-rate, adjusted diluted earnings per share grew 13% in the third-quarter and 12% year-to-date. Now it's already reviewed R&D Solutions delivered another strong quarter of bookings backlog at September 30th stood at $28.8 billion, up almost 12% Year-over-Year and 33% higher in the last three years.
Okay, let's review the balance sheet. As of September 30th, cash-and-cash equivalents totaled $1,224 million and gross debt was $13,631 million and that resulted in net-debt of $12,407 million. Our net leverage ratio ended the quarter at 3.52 times trailing 12 month adjusted EBITDA. Third-quarter cash-flow from operations was $583 million, and capital expenditures were $146 million, resulting in free-cash flow, $437 million. And you saw in the quarter that we repurchased $144 million of our shares, which puts our year-to-date share repurchase activity, just slightly below $800 million. This leaves us with just under $2.6 billion in share repurchase authorization remaining under the current programs.
Okay, let's turn to guidance. We're updating our guidance to reflect both the slower-growth in the TAS segment and the headwind from foreign-exchange rates compared to our previous guide, we currently expect revenue to be between $14,885 million and $14,920 million, which represents Year-over-Year growth of 3.3% to 3.5%. Excluding approximately $600 million of COVID related revenue step-down versus 2022, this guidance represents growth at constant currency of approximately 9%, including about 140 basis-points of contribution from acquisitions. To reflect these changes in revenue we're also updating our guidance for full-year adjusted EBITDA to $3,560 million to $3,570 million and this represents a Year-over-Year growth at 6.4% to 6.7%. It also implies 70 basis-points of margin expansion for the year. Lastly, we're updating our guidance for adjusted diluted EPS to $10.16 to $10.23 which is flat-to-up 0.7% a versus the prior year. This includes the Year-over-Year, impact of the stepup in interest rates and the increase in the UK corporate tax-rate, if you were to exclude these items, adjusted diluted earnings per share is now expected to grow 11% to 12%.
Based on this full-year outlook, our implied fourth-quarter guidance is as follows. For revenue, between $3,769 million and $3,804 million or growth at 0.8% to 1.7% on a reported basis in 0.7% to 1.6% on a constant currency basis. Adjusted EBITDA is expected to be between $957 million and $967 million, up 4% to 5.1%, net yields, margin expansion of about 80 basis-points in the quarter. Adjusted diluted EPS is expected to be between $2.79 and $2.86, growing 0.4% to 2.9% Year-over-Year. Excluding the stepup in interest expense and the increase UK tax-rate, we're expecting fourth-quarter adjusted diluted EPS to grow 10% to 13%. Now all of our guidance assumes that foreign currency rates as of October 30th, continue for the balance of the year. Now, as-is our custom, we plan to provide you with the detailed 2024 full-year guidance on our Q4 earnings call in February.
However, while it's early and we're still in the midst of our planning process, we thought it would be helpful to share a preliminary view that would help you frame how we see 2024. We see reported revenue growth in the mid single-digits in 2024, this includes a further step-down of approximately $300 million in COVID revenue, which is about 200 basis-points of headwind to revenue growth, new as well as another 100 basis-points of headwind from foreign-exchange rates assuming current foreign currency exchange rates remain in effect for 2024. We see adjusted EBITDA margins expanding 50 basis-points and this will drive high-single-digit adjusted diluted EPS growth. Now I trust this preliminary look at 2024 is helpful to you. Again, we will as-is our custom, give you more detailed guidance and specificity for 2024 when we release our full-year earnings early next year.
So to summarize, despite client caution in spending levels below our expectations, TAS business continued to -- its growth in the quarter. While the near-term growth outlook for taxes is below our previous expectations. We're confident in the longer-term fundamentals of the business is our pipeline indicate there will be a rebound in-demand sometime in 2024. In the quarter, we delivered another strong performance in R&DS with 11% revenue growth at constant currency, excluding COVID related work. Quarterly net-new bookings were strong at over $2.6 billion, representing a book-to-bill of 124. And we've reached a historic high of $2.3 billion in services bookings, representing a services book-to-bill of 1.4. Our industry-leading backlog reached a new record of $28.8 billion, up approximately 12% Year-over-Year. And finally, leading indicators on the clinical side remained strong, as evidenced by our quarterly RFP growth at 10% versus the prior year, with growth across all customer segments.
With that, let me hand it back over to the operator to open up the conference for Q&A now.