According to the paper on "Do we understand unmet need?" Based on how decision-makers define unmet need, a medical need is considered unmet primarily when:

Question

BlackTom AI · Accepted Answer

Decision-makers typically define unmet medical need primarily as the absence of effective therapeutic options or when existing treatments are inadequate.

1. Relevant knowledge points and concepts
- "Unmet medical need" in health policy/regulatory contexts focuses on gaps in available care: no treatment exists, existing therapies are ineffective, poorly tolerated, or do not address key outcomes (survival, symptoms, quality of life).
- Regulatory/HTA agencies (e.g., FDA, EMA, NICE) and payers use this concept to prioritize research, expedite review, or assign value to innovations.
- Other considerations (prevalence, disease burden, patient preferences) inform prioritization but are distinct from the core definition.

2. Step-by-step reasoning process
- Step 1: Identify what decision-makers aim to address: therapeutic gaps that leave patients without clinically meaningful benefits.
- Step 2: Determine the primary criterion: is there an effective, acceptable treatment? If not, the need is unmet.
- Step 3: Consider adequacy: even with a treatment, if efficacy, safety, or real-world usefulness are insufficient, the need remains unmet.
- Step 4: Secondary factors (prevalence, caregiver burden, patient trade-offs) modify urgency or priority but do not define unmet need itself.

3. Intermediate logical steps (no numeric calculation required)
- If no treatment exists → unmet need = true.
- If treatments exist but fail on key outcomes (efficacy/safety/tolerability) → unmet need = true.
- If a disease is common or burdensome but effectively treated → unmet need may be lower.

4. Why the correct answer is correct
The selected option captures the core, operational definition used by decision-makers: unmet need denotes a therapeutic gap — either absence of treatments or those judged inadequate. This directly aligns with regulatory guidance that prioritizes interventions addressing such gaps.

5. Why the other options are incorrect
- "A disease has high prevalence or incidence": prevalence affects public health priority but not whether a treatment gap exists.
- "A condition imposes a high burden on caregivers and society": burden influences priority but is not the defining feature of unmet need.
- "Patients are unwilling to trade life expectancy for quality-of-life improvements": this describes a specific patient preference or utility trade-off, not the general definition of unmet medical need.

6. Conclusion
Therefore, the correct answer is: There is no available treatment, or existing treatments are considered inadequate — which matches the provided answer.

According to the paper on "Do we understand unmet need?" Based on how decision-makers define unmet need, a medical need is considered unmet primarily when:单项选择题

类似问题

Which three categories did the reviewed definitions of unmet need most commonly fall into?

You own a bond that pays $64 in interest annually. The face value is $1,000 and the current market price is $1,021.61. The bond matures in 11 years. What is the yield to maturity?

Which of the following statements is CORRECT?

It will cost $9,600 to acquire an ice cream cart that is expected to produce cash inflows of $3,600 a year for three years. After the three years, the cart is expected to be worthless. What is the payback period?

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单