Articles

Your competitor’s pipeline is public.
Reading it is the hard part.

Guides to using ClinicalTrials.gov as a competitive signal: which fields to trust, how often a rival’s records go stale, and what a change actually tells you. Every figure is measured against our archive of 451,414 interventional studies.

Fewer
More
Daily new interventional studies posted to ClinicalTrials.gov over the 52 full weeks ending 2 August 2026, from the registry’s daily counts as of 3 August 2026.
DateNew studies
4
173
154
142
170
0
0
187
145
147
121
119
0
126
5
157
111
104
186
0
132
6
110
122
142
112
0
0
0
94
124
159
130
0
0
181
143
155
146
122
0
0
152
168
125
128
139
0
0
164
117
116
111
116
0
0
124
128
132
134
125
0
0
111
113
121
103
43
0
0
0
55
40
29
0
0
0
69
42
33
33
36
0
0
34
32
32
35
35
0
0
37
36
27
32
0
0
0
78
0
48
30
74
0
0
165
166
153
165
162
0
0
211
162
150
0
148
0
0
93
169
150
162
179
0
0
140
153
136
121
152
0
0
158
215
178
170
143
0
0
124
141
172
0
146
0
0
150
155
102
0
132
0
0
135
182
211
204
189
0
0
217
187
187
198
227
0
0
0
246
192
222
230
0
0
218
164
173
153
134
0
0
148
155
180
185
209
0
0
201
188
169
198
194
0
0
0
261
171
162
183
0
0
174
188
172
0
382
0
0
175
204
142
150
201
0
0
159
222
137
188
190
0
0
213
162
154
154
149
0
0
141
149
120
0
291
0
0
194
129
122
136
102
0
0
140
180
142
168
0
0
0
332
179
124
156
156
0
0
170
151
174
153
143
0
0
107
94
161
131
178
0
0
178
140
193
147
157
0
0
128
182
186
174
184
0
0
181
192
161
0
265
0
0
0
138
149
131
200
0
0
195
157
168
195
178
0
0
196
174
184
185
165
0
0
142
183
194
169
0
0
0
217
118
175
173
142
0
0
135
164
142
141
0
0
0
213
181
132
173
153
0
0
179
203
161
194
188
0
0
193
153
170
170
159
0
0
167
174
173
164
147
0
0
New interventional studies posted to ClinicalTrials.gov each day over the past 52 weeks, from the registry’s own daily counts as of 3 August 2026.

How Often Do Trial Completion Dates Slip?

93.5% of forecast date moves push the date later, median 335 days. Original analysis of 102,588 date changes across 62,766 trials.

Original researchRegistry data

A Completion Date Changed. What Does It Mean?

How to read a single date change on a watched trial: the base rates, the repeat-mover pattern, and when actual is not final.

Competitive intelligenceRegistry data

What an Enrollment Change Actually Means

82% of enrollment changes are not revisions at all, and when sponsors do revise a target, two thirds revise it upward.

Original researchRegistry data

How to Get Alerted When a Trial Record Changes

Your four options, honestly: the registry's own RSS, generic page watchers, building on the API, and purpose-built monitors.

Trial monitoringBuying

Clinical Trial Intelligence: The Alternatives

What Citeline, Cortellis, Evaluate and DataLookout each sell, who publishes a price, and when a change monitor is enough.

Competitive intelligenceBuying

How to Read a Clinical Trial Record

What each field actually means, and how often the registry is out of date.

Registry dataTrial monitoring