Colorado PROFILES, The Colorado Clinical and Translational Sciences Institute (CCTSI)
Keywords
Last Name
Institution

Christian Hopfer

Concepts (403)

Concepts are derived automatically from a person's publications.

Concepts are listed by decreasing relevance which is based on many factors, including how many publications the person wrote about that topic, how long ago those publications were written, and how many publications other people have written on that same topic.

Name Number of Publications Most Recent Publication Publications by All Authors Concept Score Why?
Substance-Related Disorders
38
2025
1094
3.520
Why?
Marijuana Abuse
21
2024
211
3.380
Why?
Cannabis
13
2025
509
2.960
Why?
Conduct Disorder
16
2023
160
2.060
Why?
Marijuana Use
9
2025
213
1.740
Why?
Adolescent Behavior
16
2020
501
1.400
Why?
Alcoholism
20
2025
817
1.370
Why?
Alcohol Drinking
16
2024
826
1.350
Why?
Marijuana Smoking
9
2022
250
1.320
Why?
Antisocial Personality Disorder
16
2025
121
1.240
Why?
Social Environment
10
2014
254
1.110
Why?
Tobacco Use Disorder
11
2020
218
1.110
Why?
Polymorphism, Single Nucleotide
22
2025
2147
1.060
Why?
Adolescent
93
2025
22453
1.000
Why?
Siblings
13
2025
195
0.970
Why?
Genetic Predisposition to Disease
17
2025
2365
0.950
Why?
Medical Marijuana
4
2025
123
0.940
Why?
Twins
10
2025
156
0.860
Why?
Smoking
17
2019
1472
0.810
Why?
Genome-Wide Association Study
15
2025
1407
0.800
Why?
Risk-Taking
7
2019
328
0.680
Why?
Legislation, Drug
4
2023
73
0.660
Why?
Analgesics, Opioid
7
2020
1143
0.660
Why?
Young Adult
39
2025
14126
0.640
Why?
Diagnostic and Statistical Manual of Mental Disorders
10
2018
232
0.630
Why?
Humans
129
2025
144957
0.620
Why?
Mental Disorders
9
2025
1172
0.620
Why?
Problem Behavior
2
2018
102
0.610
Why?
Female
98
2025
78376
0.610
Why?
Colorado
23
2022
4564
0.610
Why?
Male
96
2025
72406
0.600
Why?
Dronabinol
2
2020
247
0.600
Why?
Diseases in Twins
4
2014
115
0.590
Why?
Cannabinol
1
2019
2
0.590
Why?
Opioid-Related Disorders
5
2021
601
0.580
Why?
Homeless Youth
3
2008
22
0.560
Why?
Hallucinogens
1
2020
109
0.550
Why?
Criminals
1
2018
33
0.540
Why?
Adult
61
2025
40506
0.540
Why?
Longitudinal Studies
26
2025
2947
0.540
Why?
Heroin Dependence
3
2003
33
0.530
Why?
Substance Abuse, Intravenous
3
2016
128
0.520
Why?
Sexual Behavior
5
2019
492
0.520
Why?
Colitis, Ulcerative
1
2019
148
0.510
Why?
Prescription Drug Misuse
1
2017
51
0.510
Why?
Cigarette Smoking
1
2018
99
0.510
Why?
Receptors, Nicotinic
7
2016
323
0.500
Why?
Genetic Linkage
3
2008
273
0.490
Why?
Prescription Drug Diversion
1
2016
13
0.470
Why?
Prevalence
11
2022
2836
0.460
Why?
Crohn Disease
1
2019
260
0.450
Why?
Genotype
15
2019
1835
0.440
Why?
Attention Deficit Disorder with Hyperactivity
6
2025
428
0.430
Why?
Motivation
2
2018
610
0.410
Why?
Accidents, Traffic
2
2018
191
0.410
Why?
Inflammatory Bowel Diseases
1
2018
365
0.390
Why?
Receptors, Dopamine D2
4
2007
93
0.390
Why?
Body Mass Index
3
2018
2438
0.380
Why?
Family Health
1
2014
191
0.380
Why?
Polymorphism, Genetic
4
2016
612
0.370
Why?
Genetic Variation
5
2022
984
0.360
Why?
Phenotype
15
2025
3164
0.340
Why?
Comorbidity
9
2016
1660
0.310
Why?
Urban Population
2
2012
491
0.300
Why?
Surveys and Questionnaires
13
2019
6053
0.300
Why?
Sleep
3
2025
901
0.300
Why?
Child Abuse
6
2021
551
0.300
Why?
Biological Specimen Banks
4
2019
103
0.300
Why?
Nurses, Community Health
2
2019
38
0.290
Why?
Substance Abuse Detection
2
2020
106
0.290
Why?
Multifactorial Inheritance
4
2025
203
0.290
Why?
Substance Withdrawal Syndrome
2
2019
188
0.290
Why?
Impulsive Behavior
4
2017
146
0.290
Why?
Prenatal Care
3
2019
307
0.290
Why?
Prospective Studies
9
2020
7997
0.290
Why?
United States
18
2025
15988
0.290
Why?
Criminal Behavior
2
2018
4
0.290
Why?
United Kingdom
3
2019
338
0.280
Why?
Haplotypes
5
2009
490
0.280
Why?
Juvenile Delinquency
5
2018
95
0.270
Why?
Adolescent Development
2
2019
72
0.270
Why?
House Calls
2
2019
154
0.270
Why?
Genetic Association Studies
4
2021
373
0.260
Why?
Chromosomes, Human, Pair 9
1
2006
36
0.250
Why?
Receptors, Cannabinoid
1
2006
14
0.250
Why?
Chromosomes, Human, Pair 3
1
2006
43
0.250
Why?
Sex Factors
10
2017
2114
0.250
Why?
Cognition
4
2020
1269
0.250
Why?
Mental Health
2
2025
792
0.250
Why?
Health Surveys
5
2012
518
0.250
Why?
Cross-Sectional Studies
9
2025
5872
0.250
Why?
Case-Control Studies
10
2019
3608
0.250
Why?
Multigene Family
3
2013
204
0.240
Why?
Homosexuality
1
2006
17
0.240
Why?
Analgesics
2
2020
231
0.240
Why?
Home Care Services
2
2019
280
0.240
Why?
Drug Prescriptions
2
2018
285
0.230
Why?
Bisexuality
1
2006
39
0.230
Why?
Receptors, Dopamine D1
1
2006
35
0.230
Why?
Mothers
3
2019
775
0.230
Why?
Tandem Mass Spectrometry
2
2020
577
0.230
Why?
Tobacco Use
2
2024
61
0.230
Why?
Aggression
4
2022
179
0.220
Why?
Research Subjects
2
2015
41
0.220
Why?
Environment
5
2012
305
0.220
Why?
Personality Disorders
1
2025
79
0.220
Why?
Registries
1
2014
2385
0.220
Why?
Linkage Disequilibrium
7
2021
247
0.210
Why?
Substance Abuse Treatment Centers
3
2012
49
0.210
Why?
Child Behavior Disorders
3
2011
118
0.210
Why?
Genome
1
2006
306
0.210
Why?
Personality
1
2025
132
0.210
Why?
Child
24
2025
22657
0.200
Why?
Twins, Monozygotic
5
2010
134
0.200
Why?
Genomics
3
2020
836
0.200
Why?
Age of Onset
5
2018
551
0.200
Why?
Internationality
2
2022
156
0.200
Why?
Risk Factors
13
2025
10792
0.200
Why?
Interview, Psychological
4
2013
94
0.200
Why?
Genetic Loci
3
2022
261
0.200
Why?
Gene Frequency
6
2016
481
0.200
Why?
Obesity
1
2017
3082
0.200
Why?
Alleles
8
2018
881
0.200
Why?
Adoption
1
2003
25
0.190
Why?
Heroin
1
2003
29
0.190
Why?
Narcotics
1
2003
58
0.190
Why?
Models, Genetic
6
2010
536
0.190
Why?
Nerve Tissue Proteins
5
2013
592
0.190
Why?
Serotonin Plasma Membrane Transport Proteins
2
2016
62
0.180
Why?
Incidence
4
2018
2883
0.170
Why?
Age Factors
6
2014
3335
0.170
Why?
Sleep Wake Disorders
1
2025
302
0.170
Why?
Attention Deficit and Disruptive Behavior Disorders
2
2013
56
0.170
Why?
Public Health
1
2006
566
0.160
Why?
Cannabinoid Receptor Agonists
1
2020
45
0.160
Why?
Middle Aged
15
2025
35928
0.160
Why?
Monoamine Oxidase
2
2013
25
0.150
Why?
Health Risk Behaviors
1
2019
15
0.150
Why?
Twins, Dizygotic
4
2010
109
0.150
Why?
Maternal Health
1
2019
52
0.150
Why?
Nausea
1
2020
111
0.150
Why?
Autistic Disorder
1
2022
211
0.150
Why?
Behavior, Addictive
1
2020
88
0.150
Why?
Sleep Initiation and Maintenance Disorders
1
2022
194
0.150
Why?
Minisatellite Repeats
1
2019
36
0.150
Why?
Physician Incentive Plans
1
2018
8
0.140
Why?
Expressed Emotion
1
2018
15
0.140
Why?
Calcium-Transporting ATPases
1
2018
33
0.140
Why?
Mortality, Premature
1
2018
14
0.140
Why?
Depression
3
2022
1559
0.140
Why?
Multimodal Imaging
1
2019
129
0.140
Why?
Chromatography, Liquid
1
2020
454
0.140
Why?
Digestive System Surgical Procedures
1
2019
110
0.140
Why?
HIV Infections
1
2013
3154
0.130
Why?
Analgesics, Non-Narcotic
1
2019
124
0.130
Why?
Feeding and Eating Disorders
1
2020
163
0.130
Why?
Urine
1
2017
62
0.130
Why?
Pregnancy
5
2022
7191
0.130
Why?
Physicians, Family
1
2018
173
0.130
Why?
Cannabinoids
2
2017
182
0.130
Why?
Bioethics
1
2017
25
0.130
Why?
Unsafe Sex
2
2016
61
0.130
Why?
Receptors, Opioid, mu
2
2015
68
0.130
Why?
Biomedical Research
2
2014
710
0.130
Why?
Gene-Environment Interaction
2
2020
180
0.120
Why?
Neuropsychological Tests
2
2020
1137
0.120
Why?
Counseling
1
2020
408
0.120
Why?
Administration, Oral
1
2019
848
0.120
Why?
Infant, Newborn
4
2020
6434
0.120
Why?
Receptors, Metabotropic Glutamate
1
2016
37
0.120
Why?
Brain Mapping
1
2019
537
0.120
Why?
Suicide
2
2021
720
0.120
Why?
Mental Competency
1
2015
26
0.120
Why?
Drug Storage
1
2016
53
0.120
Why?
Brain
2
2019
2941
0.120
Why?
Plasma
1
2017
225
0.120
Why?
Self Report
2
2018
873
0.110
Why?
Patient Admission
2
2012
218
0.110
Why?
Lipids
1
2020
710
0.110
Why?
Surgical Procedures, Operative
1
2018
271
0.110
Why?
Exploratory Behavior
2
2013
86
0.110
Why?
Life Change Events
1
2016
147
0.110
Why?
Drug Overdose
2
2018
370
0.110
Why?
Image Processing, Computer-Assisted
1
2019
781
0.110
Why?
Neuroimaging
1
2017
292
0.110
Why?
Conflict of Interest
1
2014
53
0.100
Why?
Automobile Driving
1
2016
157
0.100
Why?
Interviews as Topic
3
2007
901
0.100
Why?
Patient Satisfaction
1
2018
705
0.100
Why?
Medicine
1
2016
125
0.100
Why?
Informed Consent
1
2015
198
0.100
Why?
Netherlands
1
2014
82
0.100
Why?
Regression Analysis
3
2019
1003
0.100
Why?
Cohort Studies
6
2021
5965
0.100
Why?
Pregnancy Complications
1
2019
592
0.100
Why?
Practice Patterns, Physicians'
3
2019
1358
0.100
Why?
Aged
6
2018
25947
0.100
Why?
Genetic Testing
1
2016
482
0.100
Why?
Time Factors
3
2019
7183
0.100
Why?
Proteomics
1
2020
1195
0.100
Why?
Temperament
1
2013
38
0.100
Why?
Condoms
1
2013
101
0.100
Why?
Receptors, GABA-A
1
2014
138
0.090
Why?
Emotions
2
2021
578
0.090
Why?
Patient Safety
1
2016
349
0.090
Why?
Receptors, Oxytocin
1
2012
20
0.090
Why?
Severity of Illness Index
2
2019
2925
0.090
Why?
Family Conflict
1
2012
43
0.090
Why?
Sexual Partners
1
2013
192
0.090
Why?
Socioeconomic Factors
2
2013
1327
0.090
Why?
Multivariate Analysis
2
2012
1540
0.090
Why?
Family Relations
1
2012
88
0.090
Why?
Educational Status
1
2013
467
0.090
Why?
Pentachlorophenol
1
1990
21
0.080
Why?
Logistic Models
4
2019
2119
0.080
Why?
Ethanol
2
2012
627
0.080
Why?
Psychometrics
3
2009
734
0.080
Why?
Dizziness
1
2010
101
0.080
Why?
Models, Theoretical
1
2013
582
0.070
Why?
Sample Size
2
2022
123
0.070
Why?
Genetic Markers
2
2007
331
0.070
Why?
Receptor, Cannabinoid, CB1
1
2009
39
0.070
Why?
Models, Statistical
2
2010
682
0.070
Why?
Taq Polymerase
2
2006
8
0.070
Why?
Biomarkers
1
2020
4275
0.070
Why?
Hospitalization
1
2019
2434
0.070
Why?
Child Abuse, Sexual
1
2009
81
0.070
Why?
Magnetic Resonance Imaging
2
2019
3869
0.070
Why?
Suicidal Ideation
3
2021
577
0.070
Why?
Primary Health Care
1
2018
1734
0.070
Why?
Disruptive, Impulse Control, and Conduct Disorders
1
2007
10
0.070
Why?
Deoxyribonucleases, Type II Site-Specific
1
2007
13
0.070
Why?
Methylphenidate
2
2004
49
0.060
Why?
Stress, Psychological
1
2016
1153
0.060
Why?
Polymorphism, Restriction Fragment Length
1
2007
64
0.060
Why?
Statistics as Topic
1
2008
284
0.060
Why?
Risk
2
2020
911
0.060
Why?
Retrospective Studies
8
2021
17101
0.060
Why?
Emergency Service, Hospital
1
2019
2313
0.060
Why?
Schizophrenia
2
2022
446
0.060
Why?
Family
4
2016
679
0.060
Why?
3' Untranslated Regions
1
2007
152
0.060
Why?
Child of Impaired Parents
1
2006
38
0.060
Why?
Quality of Life
1
2019
3192
0.060
Why?
Cheek
1
2006
16
0.060
Why?
Fathers
1
2006
51
0.060
Why?
Lysergic Acid Diethylamide
1
2006
3
0.060
Why?
Social Facilitation
1
2006
9
0.060
Why?
Sodium Oxybate
1
2006
5
0.060
Why?
N-Methyl-3,4-methylenedioxyamphetamine
1
2006
11
0.060
Why?
Microsatellite Repeats
1
2006
157
0.060
Why?
Alcohol-Related Disorders
1
2007
120
0.060
Why?
Protein Kinase C
1
2007
252
0.060
Why?
Genetics, Population
1
2007
215
0.060
Why?
Central Nervous System Stimulants
2
2004
185
0.060
Why?
Poverty
2
2019
530
0.060
Why?
Religion
1
2006
65
0.060
Why?
Confidence Intervals
2
2006
333
0.060
Why?
Parenting
1
2009
318
0.050
Why?
Methamphetamine
1
2006
71
0.050
Why?
Parents
2
2004
1403
0.050
Why?
Beta Rhythm
1
2004
33
0.050
Why?
Ketamine
1
2006
133
0.050
Why?
Universities
1
2007
452
0.050
Why?
Suicide, Attempted
1
2008
422
0.050
Why?
Pain Management
2
2019
405
0.050
Why?
Marriage
1
2004
122
0.050
Why?
Data Interpretation, Statistical
3
2010
372
0.050
Why?
Drug Tolerance
1
2003
100
0.050
Why?
Genome, Human
2
2020
422
0.050
Why?
Treatment Outcome
3
2019
11695
0.050
Why?
Membrane Transport Proteins
1
2003
154
0.050
Why?
Infant
3
2021
10039
0.040
Why?
Europe
1
2022
412
0.040
Why?
Models, Psychological
2
2016
299
0.040
Why?
Sensitivity and Specificity
2
2021
1990
0.040
Why?
Loneliness
1
2022
60
0.040
Why?
Personality Assessment
2
2013
79
0.040
Why?
Predictive Value of Tests
2
2021
2118
0.040
Why?
Calibration
1
2021
151
0.040
Why?
Methadone
1
2002
122
0.040
Why?
Membrane Glycoproteins
1
2003
496
0.040
Why?
Proportional Hazards Models
2
2018
1325
0.040
Why?
Follow-Up Studies
2
2019
5417
0.040
Why?
Electroencephalography
1
2003
551
0.040
Why?
Polymerase Chain Reaction
2
2014
1054
0.040
Why?
Bayes Theorem
1
2021
433
0.040
Why?
Minnesota
1
2020
169
0.040
Why?
Bipolar Disorder
1
2022
280
0.040
Why?
Dangerous Behavior
1
2018
17
0.040
Why?
Interrupted Time Series Analysis
1
2019
75
0.040
Why?
Drug Utilization Review
1
2019
61
0.040
Why?
Infant, Small for Gestational Age
1
2019
109
0.040
Why?
Signal Processing, Computer-Assisted
1
2019
151
0.040
Why?
Electronic Mail
1
2018
61
0.030
Why?
Diffusion Magnetic Resonance Imaging
1
2019
154
0.030
Why?
Atmospheric Pressure
1
2017
26
0.030
Why?
Statistics, Nonparametric
2
2012
427
0.030
Why?
Factor Analysis, Statistical
2
2010
293
0.030
Why?
Safety-net Providers
1
2019
126
0.030
Why?
Preoperative Period
1
2018
149
0.030
Why?
Limit of Detection
1
2017
97
0.030
Why?
Epidemics
1
2018
98
0.030
Why?
Gene Expression
2
2016
1490
0.030
Why?
Postoperative Period
1
2018
354
0.030
Why?
Executive Function
1
2021
461
0.030
Why?
Psychiatric Status Rating Scales
2
2010
541
0.030
Why?
Chromosome Mapping
2
2008
510
0.030
Why?
Child, Preschool
2
2022
11799
0.030
Why?
CD56 Antigen
1
2016
35
0.030
Why?
Pregnancy Outcome
1
2019
476
0.030
Why?
California
1
2017
475
0.030
Why?
Nicotine
2
2010
332
0.030
Why?
Transcriptome
1
2022
1046
0.030
Why?
Cause of Death
1
2018
472
0.030
Why?
Quality Control
1
2016
163
0.030
Why?
Mortality
1
2018
376
0.030
Why?
Chromatography, High Pressure Liquid
1
2017
598
0.030
Why?
Potassium Channels
1
2016
145
0.030
Why?
Reward
1
2017
247
0.030
Why?
Psychology, Adolescent
1
2015
63
0.030
Why?
Practice Guidelines as Topic
1
2003
1563
0.030
Why?
Heterozygote
1
2016
315
0.030
Why?
Cell Adhesion Molecules
1
2016
178
0.030
Why?
Violence
1
2018
281
0.030
Why?
Likelihood Functions
1
2015
143
0.030
Why?
Thoracic Surgical Procedures
1
2016
94
0.030
Why?
Sexually Transmitted Diseases
1
2016
166
0.030
Why?
Demography
1
2015
288
0.030
Why?
Anxiety
1
2022
1110
0.030
Why?
Disclosure
1
2014
85
0.030
Why?
Cesarean Section
1
2016
224
0.030
Why?
Aging
1
2004
1966
0.030
Why?
Arsenites
1
1993
6
0.030
Why?
Arsenic Poisoning
1
1993
7
0.020
Why?
Cotinine
1
2013
79
0.020
Why?
Arsenicals
1
1993
28
0.020
Why?
Chelating Agents
1
1993
73
0.020
Why?
Risk Assessment
2
2015
3676
0.020
Why?
Gluconeogenesis
1
1993
83
0.020
Why?
Academic Medical Centers
1
2016
548
0.020
Why?
Kidney Tubules
1
1993
117
0.020
Why?
Child Behavior
2
2005
236
0.020
Why?
Psychological Theory
1
2013
93
0.020
Why?
Probability
1
2013
312
0.020
Why?
Privacy
1
2012
41
0.020
Why?
Databases, Factual
1
2018
1486
0.020
Why?
Carrier Proteins
1
2016
737
0.020
Why?
Pedigree
1
2013
514
0.020
Why?
Students
1
2017
663
0.020
Why?
Antidotes
1
1993
145
0.020
Why?
Pleasure
1
2010
18
0.020
Why?
Disease Progression
1
2018
2852
0.020
Why?
Software
1
2016
692
0.020
Why?
Reproducibility of Results
2
2009
3415
0.020
Why?
Sensation
1
2010
55
0.020
Why?
Chromatography, Gas
1
1990
32
0.020
Why?
Attitude of Health Personnel
1
2018
1186
0.020
Why?
Rats, Inbred Strains
1
1990
321
0.020
Why?
Prognosis
1
2018
4293
0.020
Why?
Exercise
1
2021
2201
0.020
Why?
Membrane Proteins
1
2016
1167
0.020
Why?
Negotiating
1
2009
34
0.020
Why?
Cooperative Behavior
1
2012
465
0.020
Why?
Patient Discharge
1
2016
983
0.020
Why?
Psychological Tests
1
2010
132
0.020
Why?
Molecular Structure
1
1990
501
0.020
Why?
Epistasis, Genetic
1
2009
66
0.020
Why?
Personality Inventory
1
2009
134
0.020
Why?
Mouth Mucosa
1
2007
88
0.020
Why?
Reverse Transcriptase Polymerase Chain Reaction
1
2009
983
0.020
Why?
Odds Ratio
1
2009
1077
0.010
Why?
Analysis of Variance
1
2009
1311
0.010
Why?
Parent-Child Relations
1
2009
270
0.010
Why?
Oligonucleotide Array Sequence Analysis
1
2008
758
0.010
Why?
Rats
2
1993
5614
0.010
Why?
Linear Models
1
2007
854
0.010
Why?
Reference Values
1
2006
798
0.010
Why?
Frontal Lobe
1
2004
160
0.010
Why?
Aged, 80 and over
1
2016
8279
0.010
Why?
Schools
1
2006
453
0.010
Why?
Research Design
1
2009
1137
0.010
Why?
Chi-Square Distribution
1
2004
529
0.010
Why?
Housing
1
2004
144
0.010
Why?
Dopamine Plasma Membrane Transport Proteins
1
2003
59
0.010
Why?
Family Characteristics
1
2004
197
0.010
Why?
Attention
1
2004
458
0.010
Why?
Transcription, Genetic
1
2007
1496
0.010
Why?
Algorithms
1
2008
1839
0.010
Why?
DNA
1
2007
1464
0.010
Why?
Cognition Disorders
1
2003
538
0.010
Why?
Double-Blind Method
1
2003
2029
0.010
Why?
Arsenates
1
1993
1
0.010
Why?
Unithiol
1
1993
2
0.010
Why?
Dimercaprol
1
1993
6
0.010
Why?
Succimer
1
1993
4
0.010
Why?
Mice, Inbred Strains
1
1993
397
0.010
Why?
Arsenic
1
1993
66
0.010
Why?
Drug Evaluation, Preclinical
1
1993
194
0.010
Why?
In Vitro Techniques
1
1993
1048
0.010
Why?
Animals
2
1993
38109
0.010
Why?
Rats, Sprague-Dawley
1
1993
2540
0.000
Why?
Mice
1
1993
18365
0.000
Why?
Hopfer's Networks
Click the "See All" links for more information and interactive visualizations!
Concepts Expand Description
_
Co-Authors Expand Description
_
Similar People Expand Description
_
Same Department Expand Description
Physical Neighbors Expand Description
_

Copyright © 2026 The Regents of the University of Colorado, a body corporate. All rights reserved. (Harvard PROFILES RNS software version: 2.11.1)