SCDM CCDM Exam - Topic 5 Question 3 Discussion

Actual exam question for SCDM's CCDM exam

Question #: 3
Topic #: 5

[All CCDM Questions]

A Clinical Data Manager reads a protocol for a clinical trial to test the efficacy and safety of a new blood thinner for prevention of secondary cardiac events. The stated endpoint is all-cause mortality at 1 year. Which data element would be required for the efficacy endpoint?

ADrug level

BCoagulation time

CCause of death

DDate of death

Show Suggested Answer

Suggested Answer: D

The efficacy endpoint of all-cause mortality at one year directly depends on the date of death for each subject, making Option D -- Date of death the required data element.

According to the GCDMP (Chapter: Clinical Trial Protocols and Data Planning) and ICH E3/E9 Guidelines, the primary efficacy analysis must be based on time-to-event data, particularly when the endpoint involves mortality or survival. The date of death allows accurate calculation of time from randomization to event, essential for survival analysis (e.g., Kaplan-Meier curves).

While cause of death (C) may be collected for safety or secondary analyses, all-cause mortality specifically includes any death regardless of cause. Drug levels (A) and coagulation times (B) may serve as pharmacodynamic or exploratory endpoints but do not directly measure mortality.

Reference (CCDM-Verified Sources):

SCDM Good Clinical Data Management Practices (GCDMP), Chapter: Data Management Planning and Protocol Review, Section 5.4 -- Defining Data Required for Endpoints

ICH E9 -- Statistical Principles for Clinical Trials, Section 2.3 -- Time-to-Event Endpoints

FDA Guidance for Industry: Clinical Trial Endpoints for Drug Development and Approval

by Evangelina at Nov 19, 2025, 01:56 PM

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Glory

9 hours ago

Wait, isn't coagulation time important too?

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Tricia

6 days ago

I think cause of death is more relevant here.

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Francene

11 days ago

C) Cause of death is definitely the way to go. Unless the patients spontaneously combusted, I'm pretty sure that's the key data point.

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Erick

16 days ago

Haha, A) Drug level? Really? As if the Clinical Data Manager cares how much of the drug is in the patient's system. They just want to know if the patient is dead or not!

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Glendora

21 days ago

I think B) Coagulation time is the right answer. Isn't that what a blood thinner is supposed to affect?

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Ollie

26 days ago

D) Date of death is the correct answer. You need to know when the patient died to determine if it was within the 1 year timeframe.

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Josphine

1 month ago

C) Cause of death is the correct answer. You need to know the cause of death to determine if it was related to the cardiac event.

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Hildred

1 month ago

I’m not confident, but I think coagulation time might be relevant for safety, not efficacy. The focus seems to be on mortality here.

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Tracey

1 month ago

I’m leaning towards date of death since it directly relates to the endpoint timeframe, but I’m a bit confused about whether we need additional context.

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Lynette

2 months ago

I remember a practice question where we had to identify key data elements for endpoints, and I feel like cause of death was important there too.

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Tennie

2 months ago

I think the date of death is crucial for determining all-cause mortality, but I’m not entirely sure if we need more details.

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Erinn

2 months ago

I'm pretty confident the correct answer is D, the date of death. The endpoint is all-cause mortality at 1 year, so we need to know when the patient died to assess if it occurred within that timeframe.

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Cortney

2 months ago

This is a tricky one. I think the date of death is the key data element needed to determine if the patient died within the 1-year timeframe specified in the endpoint. That's my best guess for the correct answer.

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Dominque

2 months ago

Definitely need the date of death for that endpoint.

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Joseph

2 months ago

I'm a little confused here. Wouldn't the drug level or coagulation time be important to evaluate the efficacy of the blood thinner? I'm not sure if the date of death or cause of death is the right answer.

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Rhea

3 months ago

Not sure if that's the only thing we need...

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Nathalie

3 months ago

But without C) Cause of death, we miss vital context for the data.

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Yolando

3 months ago

Okay, let me think this through. The endpoint is mortality, so we need to know the cause of death to determine if it was related to the blood thinner or not. I'm going to go with option C.

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Nada

3 months ago

Hmm, this seems straightforward. I think the key is to focus on the stated endpoint of all-cause mortality at 1 year, so the data element needed would be the date of death.

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