How to prepare for a bid defense meeting
A bid defense (bid defence in UK English) is usually won or lost on one question: can these sites actually enroll this study? This guide walks a CRO team from the day the invitation lands to the follow-up email.
- Ask for the agenda and the sponsor’s top concerns before you build a single slide.
- Bring the people who will run the study, not only business development.
- Lead with enrollment evidence: a qualifying patient count for each site and the investigator who will deliver it.
- Rehearse the hard questions out loud, with a colleague playing a skeptical sponsor.
- Send written answers to anything left open within one business day.
The basicsWhat a bid defense is
A bid defense, or bid defense meeting, is where a shortlisted CRO presents and defends its proposal to the sponsor. The sponsor has already read your written bid. The meeting is for meeting the team, testing the plan, and deciding who they trust to enroll the trial. For a fuller definition, see what a bid defense is and how CROs win one, and for how it relates to feasibility, bid defense vs feasibility.
Most sponsors arrive with the same priorities: cost, the team, the timeline, and whether the proposed sites will actually recruit. The first three are easy to compare across bids. The last one is where bids are usually separated, because it is the hardest to prove.
Step 1Work the timeline backwards
Notice varies a lot. A bid defense can be called with a few days’ notice or a couple of months’. Treat it as a short project with a fixed end date, and if you only have days, compress the steps below rather than skipping any.
| When | What to do |
|---|---|
| The day the invitation arrives | Confirm the date, format (in person or virtual), attendees on both sides, and time per section. Ask the sponsor which topics matter most to them. |
| First three days | Re-read the protocol and the RFP. List the sponsor’s likely worries in their words. Name your presenting team and a rehearsal date. |
| The week before | Build the deck in the order the sponsor asked for. Finish the enrollment and site slides first; they take longest to evidence. First full run-through. |
| Two to three days before | Rehearse against hard questions. Cut anything the sponsor has already read. Prepare a short leave-behind. |
| The day | Arrive early, test the screen, agree who answers which topics, and keep to time. |
| Within one business day | Send written answers to open questions, with the data behind them. |
Step 2Bring the people who will run the study
Sponsors want to meet the team they will work with, not a pitch team. A simple rule: everyone presenting should be on the study if you win it.
| Role | What they cover |
|---|---|
| Proposed project manager | Leads the presentation, the plan, the timeline and how communication will work. |
| Clinical or medical lead | The protocol, the patient population, and the clinical risks. |
| Feasibility or site lead | The site list, the investigators, and the enrollment plan. Expect the most questions here. |
| Functional leads, as needed | Data management, biostatistics or regulatory, if the sponsor has asked about them. |
| Business development lead | Hosts, keeps time, and handles commercial questions. |
Step 3Prepare for the questions sponsors ask
Most bid defense questions fall into five groups. Write each one down, decide who answers it, and make sure the answer points to something the sponsor can check.
- How do you know these sites will enroll this study?
- How many qualifying patients does each site actually see?
- Which investigators have enrolled trials like this one?
- What happens if a site has not enrolled after 90 days?
- Why these sites and not the usual academic centers?
- Who runs the study day to day, and how much of their time is committed?
- What happens if the project manager leaves?
- How long from contract to first patient in, and what is that based on?
- Where is the timeline most likely to slip?
- Why is your budget different from the others on this line?
- What site and patient assumptions sit behind the numbers?
- What is the biggest risk in this protocol, and what would you change?
A strong answer is specific and checkable. “We have strong relationships in this indication” is a claim. “Site 4 has 46 patients who meet your criteria, and its investigator has enrolled three trials like this one on plan” is evidence. (That example is illustrative.)
For the full list, with what each question is really testing, see 29 bid defense questions sponsors ask.
Step 4Build the slide that decides it: enrollment
Sponsors have heard every confident enrollment promise, and they know how often promises fail. Tufts CSDD research found that about 37% of trial sites under-enroll and about 11% never enroll a single patient, and that 53% of studies run past their enrollment timeline. So the enrollment section is where the sharpest questions land.
- A therapeutic-area average
- Site questionnaire responses
- A list of well-known centers
- “We have done this many times”
- A qualifying patient count for each proposed site
- The named investigator and their record on trials like this one
- The reason each site is on the list
- Which well-known centers were left off, and why
Keep the slide short. One line per site with the count, the investigator and the reason is enough. The detail belongs in an appendix the sponsor can take away.
Step 5Rehearse like the sponsor will push
A read-through is not a rehearsal. Run at least one session where someone plays the sponsor and interrupts.
- The 60-second answer. Every presenter answers “How do you know these sites will enroll?” in under a minute, with a number in it.
- The red team. One colleague plays procurement, one plays the medical lead. They interrupt, challenge the budget and ask for proof.
- The handoffs. Decide who answers each group of questions, so two people never answer at once and nobody looks at the floor.
- The clock. Finish the presentation with at least a third of the time left for questions. The questions are where the decision gets made.
AvoidCommon bid defense mistakes
- Opening with a long company overview the sponsor has already read.
- Presenting with people who will not work on the study.
- A site list built on reputation, with well-known centers that do not see enough qualifying patients.
- Answering a budget question with “we can be flexible” instead of the assumption behind the number.
- Promising an enrollment rate you cannot show the working for.
- No follow-up after the meeting, or a follow-up that arrives a week later.
On the dayA checklist
- Agenda confirmed, with time per section
- Presenters and question owners agreed
- Enrollment and site slide finished, with the appendix behind it
- Answers ready for the five question groups
- Screen, links and slides tested before the sponsor arrives
- Leave-behind ready, printed or as a PDF
- Someone taking notes on every open question
AfterFollow up within one business day
Thank the sponsor, restate the two or three points that matter most to them, and answer every open question in writing, with the data behind each answer. A fast, specific follow-up is often the last thing the sponsor reads before deciding.
Bid defense meetings, answered
What is a bid defense meeting?
A bid defense meeting is where a shortlisted CRO presents and defends its proposal to the sponsor: the team, the timeline, the budget and, above all, the sites and investigators it will use to enroll the trial. It usually decides which CRO wins the contract.
How should a CRO prepare for a bid defense?
Ask for the agenda and the sponsor’s main concerns as soon as the invitation arrives, bring the people who will run the study, build the deck in the sponsor’s order, lead with evidence that the proposed sites can enroll, rehearse the hard questions out loud, and send written answers to any open questions within one business day.
How long is a bid defense meeting?
Often two hours or more including questions, but the sponsor sets the format. Ask for the agenda and the time allowed for each section when the invitation arrives, and plan to finish your presentation with at least a third of the time left for questions.
Who should attend a bid defense from the CRO?
The people who will work on the study: the proposed project manager, the clinical or medical lead, the feasibility or site lead, and functional leads the sponsor asks about, such as data management or biostatistics. A business development lead hosts and keeps time.
Is it bid defense or bid defence?
Both are the same thing. Bid defence is the UK spelling. Either way it is the meeting where a CRO defends its proposal, sites and enrollment plan to the sponsor.